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Objective: To accurately verify the pathogenicity of variants of uncertain significance (VUS) in MUT and MMACHC genes through mass spectrometry and silico analysis. Methods: This multicenter retrospective study included 35 participating units (ClinicalTrials.gov ID: NCT06183138). A total of 3,071 newborns (within 7 days of birth) were sorted into carrying pathogenic/likely pathogenic (P/LP) variants and carrying VUS, non-variant groups. Differences in metabolites among the groups were calculated using statistical analyses. Changes in conservatism, free energy, and interaction force of MMUT and MMACHC variants were analyzed using silico analysis. Results: The percentage of those carrying VUS cases was 68.15% (659/967). In the MMUT gene variant, we found that C3, C3/C2, and C3/C0 levels in those carrying the P/LP variant group were higher than those in the non-variant group (p < 0.000). The conservative scores of those carrying the P/LP variant group were >7. C3, C3/C0, and C3/C2 values of newborns carrying VUS (c.1159A>C and c.1286A>G) were significantly higher than those of the non-variant group and the remaining VUS newborns (p < 0.005). The conservative scores of c.1159A>C and c.1286A>G calculated by ConSurf analysis were 9 and 7, respectively. Unfortunately, three MMA patients with c.1159A>C died during the neonatal period; their C3, C3/C0, C3/C2, and MMA levels were significantly higher than those of the controls. Conclusion: Common variants of methylmalonic acidemia in the study population were categorized as VUS. In the neonatal period, the metabolic biomarkers of those carrying the P/LP variant group of the MUT gene were significantly higher than those in the non-variant group. If the metabolic biomarkers of those carrying VUS are also significantly increased, combined with silico analysis the VUS may be elevated to a likely pathogenic variant. The results also suggest that mass spectrometry and silico analysis may be feasible screening methods for verifying the pathogenicity of VUS in other inherited metabolic diseases. [ABSTRACT FROM AUTHOR]

Aim of the study: This study aimed to establish an objective, simple, and minimally invasive screening method to detect patients with biliary atresia during neonatal checkups by using indocyanine green (ICG) fluorescence in the stool. Material and methods: We produced a rat model of extrahepatic biliary obstruction (group O, n = 9) and compared the stools from these rats with those of control group rats (group C, n = 6) by a fluorescence technique. ICG was administered (0.5 mg/kg) through the caudal vein; group O received ICG at the end of surgery. Results: In group C, we collected stools at 3, 6, 12, 24, 48, and 72 hours, and fluorescence disappeared at 48 hours. In group O, stools were collected at 24, 48, 72, 96, and 120 hours after surgery, and fluorescence continued at 120 hours without the loss of fluorescence. Quantitative assessment of lightness showed significant differences between the groups at 48 and 72 hours (p = 0.0016 and p = 0.0004, respectively). Conclusions: This study shows that ICG is excreted into the gastrointestinal tract via a route other than the bile duct in a rat model of extrahepatic biliary obstruction. Our findings also suggest that ICG has the potential for initial screening of biliary congestive disease in the neonatal period, which could be followed up by detailed testing. [ABSTRACT FROM AUTHOR]

The purpose of this work was to study the distribution of the α1 subunit of the GABAA receptor in the layers of the neocortex of rats in the neonatal period after exposure to hypoxia. The effect of hypoxia on the brain of newborn rats was carried out on the second neonatal day for 1 h at an oxygen content in the respiratory mixture of 7.8%. To identify the α1 subunit of GABAA receptor, immunohistochemical reaction was used. Protein content was assessed by the density of immunostaining of the reaction product in the cytoplasm and processes of neurons. We studied the somatosensory area of the neocortex at the fifth and tenth neonatal stages (P5, P10). It has been established that, in the early stages of the neonatal period, a significant population of young neurons is present in the neocortex, in the cytoplasm of which the α1 subunit, which is part of the GABAA receptor, is immunohistochemically detected. By the end of the neonatal period, in control animals, the density of staining of the immunohistochemical product of GABAA in the layers of the neocortex increases significantly. Exposure to perinatal hypoxia causes a reduction in the number of neurons containing the α1 subunit of the GABAA receptor and a significant decrease in the density of immunohistochemical staining in all layers of the neocortex. [ABSTRACT FROM AUTHOR]

Background: Birth injury is defined as the structural damage of a newborn secondary to mechanical forces (compression or traction) during labour, delivery or both. Birth injury can sometimes be avoidable, occasionally inevitable. The incidence of birth trauma varies widely among developing countries. Reported incidence ranges from 0.2 to 41.2 per 1000 live births. The incidence of birth injury has declined with improvements in obstetrical care and prenatal diagnosis. Methods: This study is a prospective observational cohort study, conducted at Narayana Medical college and hospital, Nellore. The study was conducted during the period from December 2018 to March 2021. Results: Birth Injuries recorded among boys & girls was 41.67%, 58.33% respectively. Male to female ratio was 0.8: 1.16. Majority 19 (79.16%) of the birth injuries were observed among babies with vertex presentation, followed by breech 3(12.5%), brow 1(4.17%) and Transverse(shoulder)1(4.17%) presentation. Birth injuries were common in neonates born to mothers of age between 21 - 30 yrs. Conclusions: Incidence of birth injury observed in our study was 1.926% (24 per 1246 total babies). Birth injuries were more common in babies with birth weight more than 3 kg. A majority of the babies with birth injuries were term-born, 2 were preterm. A total of 24 birth injury cases were observed. Two major risk factors for birth injuries were normal delivery & birth weight more than 3 kg. [ABSTRACT FROM AUTHOR]

Copyright of Zdravotnicke listy is the property of Alexander Dubcek University in Trencin, Faculty of Nursing and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Neonatal distribution of the GABAA receptor-associated protein GABARAP and the tubulin βIII isoform (β-III-tubulin) was studied immunohistochemically across the layers of the neocortical somatosensory area in Wistar rats exposed to perinatal hypoxia. The study used a model of human incomplete pregnancy. Newborn rat pups were exposed to hypoxia on day 2 after birth (P2) in a special chamber containing 7.8% O2 in the respiratory mixture. The neocortex was examined at P5 and P10. In P10 control (unexposed) rats, GABARAP content, as assessed by immunostaining density, increased significantly 2-fold in upper neocortical layers II–III and 4-fold in deeper layers IV–V compared to P5 rats. β-III-tubulin was evenly distributed throughout neocortical layers. Rats that survived hypoxic exposure at P2 exhibited a significant increase in GABARAP and β-III-tubulin content in layers II–III at P10 compared to P5. These changes were paralleled by a significant decrease in the content of GABAA receptor subtype (previous data). GABARAP and β-III-tubulin, as well as the GABAA receptor, compose a complex of elements mediating GABA transmission in the neocortex. Hypoxia causes a change in the content of these proteins in the neocortex, leading presumably to a disruption of the inhibitory GABA effects. [ABSTRACT FROM AUTHOR]

The role of serum fibroblast growth factor 23 (FGF23) level in early neonatal period on the diagnosis of X-linked hypophosphatemic rickets (XLH) remains unclear. Two female patients from the first pedigree had an affected mother, and the other female from the second pedigree had an affected father. In all three cases, FGF23 levels were high in cord blood and peripheral blood at day 4-5. Additionally, the FGF23 levels considerably increased from birth to day 4-5. We identified a PHEX pathogenic variant and initiated treatment during infancy in each case. In neonates with a parent diagnosed as PHEX-associated XLH, FGF23 in cord blood and peripheral blood at day 4-5 may be useful markers for predicting the presence of XLH. [ABSTRACT FROM AUTHOR]

We studied the effect of moderate neonatal normobaric hypoxia on the indicators of spatial learning, memory, and reactivity of the hypothalamic—pituitary—adrenocortical system in adult male Wistar rats. The pharmacological effect of chronic injections of the serotonin reuptake inhibitor fluoxetine during the neonatal period on the studied behavioral and the physiological indices was evaluated. Hypoxia impaired spatial training, increased the short-term memory performance, but did not change long-term memory and stress indicator in response to its testing. The use of fluoxetine normalized learning, but did not change memory indicators and the stress-induced level of corticosterone in blood plasma in the hypoxic rats and control animals. New results indicate a protective effect of fluoxetine in the neonatal period under conditions of moderate normobaric hypoxia. [ABSTRACT FROM AUTHOR]

Acute phase proteins (APPs) have been paid attention to as sensitive and reliable biomarkers used for monitoring general health status, diagnosis, prognosis, and treatment strategies of diseases. In this study, changes in some APPs, globulin (Glb), and total protein (TP) concentrations and the correlation of these proteins with lamb weight were investigated in the neonatal period of Awassi lambs (Ovis aries). Repeated blood samples were taken from 59 lambs at 0, 1, 3, 7, 14, 21, and 28 days of age. There were statistical differences in average haptoglobin (Hp), serum amyloid-A (SAA), ceruloplasmin (Cp), and albumin (Alb) concentrations during the neonatal period. The lowest concentrations of both Hp and SAA were measured in precolostrum samples and increased to the highest level on the 3rd day of the neonatal period. Ceruloplasmin concentrations followed a constant course in the samples of the first 3 days and reached the highest level in the 14th day samples. The highest levels of Alb were measured in precolostrum samples, and the lowest levels were detected in the 14th day samples. Acute phase protein concentration changes did not differ significantly by gender except Cp. There was a negative correlation between the weights of lambs and Cp and Alb. It was concluded that the time-dependent change of APPs in the neonatal period could help in understanding the neonatal period of Awassi lambs and that its primary purpose is survival as a physiological part of the adaptation process to the extrauterine environment. [ABSTRACT FROM AUTHOR]

Purpose and Context: Proximal levels of excised remnants from youngest infants may reveal early features of biliary atresia (BA). Method: A targeted IHC survey was applied to 34 most proximal 2 levels in 17 BA remnants excised at age 10–74 days including 7 = <30 days old and 6 control hepatic ducts (HD). Key Results: Severity of inflammation and extent of active fibroplasia do not distinguish proximal remnants in younger (n = 7) and older (n = 10) infants. In 27/34 levels of 14/17 remnants, reactive stroma is focally SM-MHC-2 (+), marking smooth muscle myosin, termed reactive myogenesis (RM), that is absent in controls. RM facilitates identification of 3 novel hepatic duct remnants (HDR): an HD-like collagen collar lined by degenerating cholangiocytes (n = 5); erosion defects in loose reactive stroma (n = 14); solitary foci of hyperplastic squamoid epithelium (n = 4). Peribiliary glands are either hyperplastic or atretic and typically lack RM. Conclusion: Minimally inflammed end-stage lesions in BA remnants occur at youngest ages favoring prenatal onset. Three novel HDR are defined. RM, a useful surrogate for HDR, is a prevalent inappropriate stromal reaction in proximal remnants of uncertain biological significance. RM is the source of mature smooth muscle in BA remnants. [ABSTRACT FROM AUTHOR]

The distribution of GABA-containing neurons and the intensity of immunohistochemical labeling of the GABA transporter GAT1 were studied in different layers of the neocortex during the neonatal period in rats. At the initial stages of the neonatal period, in layers II—III and VI, there is a high number of neurons containing GABA, which significantly decreases by the end of the neonatal period, and inhibitory interneurons are distributed approximately evenly in all layers. By the end of the neonatal period, the level of immunohistochemical GAT1 labeling increases significantly, which may indicate an increase in the role of synaptic inhibitory neurotransmission. [ABSTRACT FROM AUTHOR]

Introduction: This study aimed to investigate the preventive effects of oral administration of probiotics on the incidence and severity of atopic dermatitis (AD) in infants. Material and methods: A total of 396 full-term infants were enrolled in this study. Of these, 132 newborns without a family history of AD were assigned to group A, and the other 264 newborns were randomly divided into groups B and C. Infants in groups A and B were solely breastfed, while probiotics were administered to those in group C as well as breastfeeding. The information of all subjects was recorded, and the incidence of AD was followed up. The levels of serum IgE and IL-4 were measured at the age of 3 years. Results: The incidence of AD in infants in group B was higher than that in group A at 3 months, 4-6 months, and 7-36 months after birth, together with increased symptom scores. For infants in group C, the incidence of AD at 4-6 months and 7-36 months after birth and the SCORAD scores at 0-3 months and 4-6 months after birth were lower than those in group B. The levels of IgE and IL-4 in group B were higher than those in groups A and C at 36 months old. Conclusions: Adding probiotics could favor the establishment of the intestinal microecological balance in the neonatal period, thereby reducing the incidence of AD, decreasing the levels of serum immune indexes and alleviating the severity of the disease. [ABSTRACT FROM AUTHOR]

The aim of this work was to study the distribution of GABA-expressing neurons and the expression level of GABA transporter 1 (GAT1) in different layers of the rat neocortex in the neonatal period after perinatal hypoxia. Perinatal hypoxic exposure was carried out on neonatal day 2 for 1 h (7.8% O2 in the breathing gas mixture). GABA and GAT1 were localized immunohistochemically. The neocortical somatosensory area was studied on postnatal days 5 and 10 (P5, P10). It was found that at the early neonatal stage (P5), perinatal hypoxic exposure leads to an increase in the number of GABAergic inhibitory interneurons in all layers of the neocortex. By the end of the neonatal period (P10), their number in the cortical layers decreases, while in layer V, decreases significantly. In control animals, GAT1 expression levels gradually increase throughout the neonatal period in all layers of the neocortex. After perinatal hypoxic exposure, GAT1 expression decreases significantly, including in the neocortical layers, where the number of GABAergic neurons corresponds to the control value. These findings indicate that the exposure to acute perinatal hypoxia can lead to changes in GABAergic synaptic transmission in all layers of the neocortex at the end of the neonatal period. [ABSTRACT FROM AUTHOR]

Cardiotocography (CTG) is a biophysical method for assessing fetal condition that primarily relies on the recording and automated analysis of fetal heart activity. The quantitative description of the CTG signals is provided by computerized fetal monitoring systems. Even though effective conclusion generation methods for decision process support are still required to find out the fetal risk such as premature embryo, this proposed method and outcome data can confirm the assessment of the fetal state after birth. Low birth weight is quite possibly the main attribute that significantly depicts an unusual fetal result. These expectations are assessed in a constant experimental decision support system, providing valuable information that can be used to obtain additional information about the fetal state using machine learning techniques. The advancements in modern obstetric practice enabled the use of numerous reliable and robust machine learning approaches in classifying fetal heart rate signals. The Naïve Bayes (NB) classifier, support vector machine (SVM), decision trees (DT), and random forest (RF) are used in the proposed method. To assess these outcomes in the proposed method, some of the metrics such as precision, accuracy, F1 score, recall, sensitivity, logarithmic loss and mean absolute error have been taken. The above mentioned metrics will be helpful to predict the fetal risk. [ABSTRACT FROM AUTHOR]

Introduction: The aim of the study was to determine the effect of a maternal docosahexaenoic acid (DHA) supplementation during lactation, compared with a placebo, on the neonatal growth profile of breastfed very preterm infants. Methods: Preterm infants' growth profile, growth velocity from birth to 36 weeks' postmenstrual age (PMA), and growth at 36 weeks' PMA were pre-specified secondary outcomes of a randomized placebo-controlled trial conducted in 16 Canadian neonatal intensive care units (2015–2018). Lactating mothers who delivered before 29 weeks' gestation were given 1.2 g of DHA daily or a placebo within 72 h of delivery and up to 36 weeks' PMA. Analyses were performed using a linear regression model with generalized estimating equations. Results: 461 mothers and their 528 infants (DHA, N = 273; placebo, N = 255) were included with mean gestational age of 26.5 weeks (standard deviation [SD] = 1.6); 275 (52.1%) were males; mean birth weight was 895 g (SD = 240). DHA interaction with sex was significant on weight profile (interaction p < 0.001), weight velocity (interaction p = 0.05), and weight at 36 weeks' PMA (interaction p = 0.02). Females in the DHA group gained more weight compared to the placebo group (mean difference [MD], 52.6 g [95% confidence interval [CI]: 24.5–80.8], p < 0.001). Weight velocity was significantly higher in females of the DHA group (MD, 3.4 g/kg/day [95% CI: 0.6–6.2], p = 0.02). At 36 weeks' PMA, the weight of males in the DHA group was significantly smaller (MD, −88.9 g [95% CI: −166.2 to −11.6], p = 0.02). Conclusion: DHA positively affected female infants' neonatal weight profile and velocity and negatively affected male infants' weight at 36 weeks' PMA. [ABSTRACT FROM AUTHOR]

The introduction of fluids other than breast milk during the first few days of life or later neonatal period has been identified as a risk factor for suboptimal breastfeeding (BF) outcomes in numerous studies using varying study designs. However, the relationship between early introduction of fluids other than breast milk and BF outcomes has not been systematically assessed using only prospective studies that can establish temporality, which is critical for determining whether observed associations are causal. We conducted a systematic review and meta‐analysis of prospective studies to assess if there is a difference in BF outcomes as a result of the introduction of: (a) milk‐based prelacteals, (b) water‐based prelacteals and (c) breast milk substitutes (BMS) between 4 days and 4 weeks postpartum. We searched PubMed, Lilacs, Web of Science and other repositories for original research investigating the relationship between early introduction of prelacteals and/or BMS and BF outcomes. Forty‐eight studies met the inclusion criteria for the systematic review. Of the 39 prelacteal feeding studies, 27 had the prerequisite statistical information for inclusion in the meta‐analysis. Findings from the meta‐analysis showed a relationship between prelacteals and exclusive BF cessation (RR 1.44; 1.29–1.60) and any BF cessation (2.23; 1.63–3.06) among infants under 6 months old. Nine studies focusing on the introduction of BMS during the neonatal period identified this practice as a statistically significant risk factor for a shorter BF duration. Effective interventions are needed to prevent the introduction of unnecessary milk‐based prelacteals and BMS during the perinatal and neonatal periods to improve BF outcomes. Key messages: The practice of prelacteal feeding and introduction of breastmilk substitutes (BMS) during the neonatal period is widespread across the globe.In this systematic review and meta‐analysis of prospective studies, the introduction of prelacteals was associated with suboptimal breastfeeding practices including a higher risk of not exclusive breastfeeding and any breastfeeding cessation among infants under 6 months of age.Prospective studies show that the introduction of BMS during the neonatal period is a risk factor for suboptimal breastfeeding practices.Facility and community‐based interventions are needed to prevent the introduction of prelacteals perinatally and BMS during the neonatal period. [ABSTRACT FROM AUTHOR]

The high prevalence of preterm deliveries (i.e., short gestation periods) and their impact on neonatal mortality rates have been a significant challenge for the medical community. It is also widely known that low birth weight is one of the leading causes of neonatal mortalities. This study focused on understanding the relationship between low birth weight (LWB) and short gestation periods using a data set consisting of patient records of over 900 pregnant women in King County. Preliminary data exploration identified a high correlation between low birth weight and preterm pregnancies. A simple regression model was developed using the R statistical package to validate the linear relationship between LBWs and gestation periods. We built a simple regression model that worked functionally and set the first steps to creating models that can predict birth weights on real-time data. However, we also noticed that the R2 value indicated that only 27% of the variance in the birth weights could be explained by the gestation periods. The remaining 73% can be attributed to other variables not included in the model. The low R2 suggests that there is room for improving the model performance by adding external related variables such as patient demographics or fitting another model type to the data. [ABSTRACT FROM AUTHOR]

Preterm birth is one of the main health problems encountered in the neonatal period, especially because it is also the first cause of death in the critical 1st month of life and the second in children under 5 years of age. Not only preterm birth entails short term health risks due to low weight and underdeveloped organs, but also increases the risk of suffering from non-transmissible diseases in the long term. To date, it is known that medical conditions and lifestyle factors could increase the risk of preterm birth, but the molecular mechanisms that control this process remain unclear. Luteolysis, increased inflammation or oxidative stress have been described as possible triggers for preterm birth and, in some cases, the cause of dysbiosis in preterm neonates. Several murine models have been developed to shed light into the mechanistic of preterm birth but, for the most part, are inflammation-based labor induction models and the offspring health readouts are mainly limited to survival and weight. Using a set of SWISS-CD1 mice born prematurely we analyzed inflammation and gut permeability parameters compared with term pups at weaning age. Overall, preterm mice presented higher systemic inflammation and gastrointestinal tract permeability. In this perspective article, we discuss the recent discoveries on preterm birth and the necessity of non-inflammatory murine models to really understand these phenotypes and be able to design strategies to prevent the sequels of this traumatic event in neonates. [ABSTRACT FROM AUTHOR]

The aim of our work was to detect GABA and α1-subunit of GABAA-receptor in rats in the neonatal period (day 5 and 10 of postnatal development) using immunohistochemical methods. It was shown that the subventricular zone (SVZ) contains all types of progenitor cells both in the neonatal period and in the adult brain. A considerable amount of progenitor cells (30%) differentiate into neurons, thus being a population of young migrating neuroblasts (type A) the quantity of which does not change over the neonatal period. Young neuroblasts and some astrocyte-like stem cells are immunopositive to GABA; the proportion of such cells is about 40% and it remains unchanged throughout the entire neonatal period. The vast majority of SVZ cells, which are young neuroblasts (type A), astrocyte-like stem cells (type B), and some intermediate progenitor cells (type C), express GABAA-receptor containing α1-subunit. The number of these types of progenitor cells is kept at a constant level within the neonatal period. The presence of GABAAα1-receptors in the vast majority of SVZ cells indicates a possible involvement of GABA and GABAergic transmission in regulating the functions of various SVZ cells. [ABSTRACT FROM AUTHOR]

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Copyright of Revista Academica Ciencia Animal is the property of Revista Academica Ciencia Animal and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The issues of brain morphogenesis during the early postnatal period and the effect of perinatal hypoxia thereupon, which can lead to the development of neuropsychic pathology, are among the major medical and social challenges. It is well known that the nucleoli of neocortical neurons synthesize ribosomal subunits and are involved in various morphogenetic processes. When studying the effect of perinatal hypoxia on the developing brain in the model of neonatal encephalopathy, we revealed ultrastructural changes in the nucleoli of neocortical neurons and in the numerical ratio of their types, granular and reticulated. In control rats, as they developed in the neonatal period, there was an increase in the number of both granular and reticulated nucleolar types, which may be explained by a ribosomal RNA (rRNA) processing. By the end of the neonatal period, the granular agglomerates (ribosomal subunits) appeared near the nuclear membrane, probably be due to differentiation of nerve cells and biogenesis of the rough endoplasmic reticulum. In the present work, we established the fact of changing the numerical ratio of the granular and reticulated nucleolar types in the nuclei of neocortical neurons after perinatal hypoxic exposure in experimental vs. control rats. Our data suggest that the nucleoli in neocortical neurons are the targets for perinatal hypoxia, probably representing an intermediate link in the pathogenesis of the disease. Post-hypoxic administration of Phenibut (a GABA derivative, nootropic drug) corrected the pathogenetic effect of perinatal hypoxia by restoring the numerical ratio of the nucleolar types in neocortical neurons, which is typical of control rats. We assume that Phenibut can exert a neuroprotective effect through its ability to affect the nucleolar ultrastructure in neocortical neurons. [ABSTRACT FROM AUTHOR]

Background: Lipoprotein lipase (LPL) deficiency is a monogenic lipid metabolism disorder biochemically characterized by hypertriglyceridemia (HTG) inherited in an autosomal recessive manner. Neonatal onset LPL deficiency is rare. The purpose of this study was to clarify the clinical features of neonatal LPL deficiency and to analyze the genetic characteristics of LPL gene.Methods: In order to reach a definite molecular diagnose, metabolic diseases-related genes were sequenced through gene capture and next generation sequencing. Meanwhile, the clinical characteristics and follow-up results of the two newborns were collected and analyzed.Results: Three different mutations in the LPL gene were identified in the two newborns including a novel compound heterozygous mutation (c.347G > C and c.472 T > G) and a reported homozygous mutation (c.836 T > G) was identified. Interestingly, both the two neonatal onset LPL deficiency patients presented with suffered recurrent infection in the hyperlipidemia stage, which was not usually found in childhood or adulthood onset LPL deficiency patients.Conclusion: The two novel mutaitons, c.347G > C and c.472 T > G, identified in this study were novel, which expanded the LPL gene mutation spectrum. In addition, suffered recurrent infection in the hyperlipidemia stage implied a certain correlation between immune deficiency and lipid metabolism abnormality. This observation further supplemented and expanded the clinical manifestations of LPL deficiency. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Faculty of Veterinary Medicine, Erciyes University / Erciyes Üniversitesi Veteriner Fakültesi Dergisi is the property of Erciyes University, Faculty of Veterinary Medicine and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Tamoxifen is a selective estrogen receptor modulator used to activate the CREERT2 recombinase, allowing tissue-specific and temporal control of the somatic mutagenesis to generate transgenic mice. Studies integrating development and metabolism require a genetic modification induced by a neonatal tamoxifen administration. Here, we investigate the effects of a neonatal tamoxifen administration on energy homeostasis in adult male and female C57BL/6J mice. C57BL/6J male and female mouse pups received a single injection of tamoxifen 1 day after birth (NTT) and were fed a high-fat/high-sucrose diet at 6 weeks of age. We measured weight, body composition, glucose and insulin tolerance, basal metabolism, and tibia length and weight in adult mice. The neonatal tamoxifen administration exerted long-term, sex-dependent effects on energy homeostasis. NTT female mice became overweight and developed impaired glucose control in comparison to vehicle-treated littermates. NTT females exhibited 60% increased fat mass, increased food intake, decreased physical activity and energy expenditure, impaired glucose and insulin tolerance, and fasting hyperglycemia and hyperinsulinemia. In contrast, NTT male mice exhibited a modest amelioration of glucose and insulin tolerance and long-term decreased lean mass linked to decreased bone weight. These results suggest that the neonatal tamoxifen administration exerted a marked and sex-dependent influence on adult energy homeostasis and bone weight and must therefore be used with caution for the development of transgenic mouse models regarding studies on energy homeostasis and bone biology. [ABSTRACT FROM AUTHOR]

Copyright of Academic Journal of Agriculture / Akademik Ziraat Dergisi is the property of University of Ordu, Faculty of Agriculture, Academic Journal of Agriculture and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The aim of this work was to detect the immunohistochemical calcium- binding protein parvalbumin and marker of neural stem cell differentiation β‑III‑tubulin in the cells of the subventricular zone during the neonatal period in rats (five and ten postnatal days). It is shown that, in the subventricular zone, there are cells expressing β-III-tubulin, which are represented by one morphological cell type and are immature differentiating neuroblasts (type A). The number of such cells remains constant during the neonatal period and accounts for more than 30% of the total number of cells in the subventricular zone. It was revealed that a significant part of differentiating neuroblasts express parvalbumin. The number of such cells is more than 20% of the total number of cells of all types and is constant during the neonatal period. [ABSTRACT FROM AUTHOR]

A model of focal seizures with automatisms is being developed on a strain of rats selected for enhanced pendulum-like movements (PM). At a definitive age, 90% of animals of the PM strain generate seizures to audiogenic stimulation. In contrast to Krushinsky–Molodkina and GEPR-9 (genetically epilepsy-prone rats) strains, populations of which demonstrate generalized seizures, PM rats generate a clonic cascade of seizures—the stereotyped jumps reaching a height of 0.5 m at a speed of one jump per second. The PM strain is a new model of epileptiform responses, and it has not actually been studied in early ontogeny. To detect prodromal symptoms of epilepsy, we set a goal to study behavioral and hormonal/metabolic characteristics of the PM model during the early neonatal period. Wistar rats, the initial strain for selection, served as a control. Prodromal symptoms experimentally detected the PM strain included such characteristics as a slowdown in locomotor activity, decreased body and testes weights, an inhibited rise in plasma cholesterol levels on days 10 and 14. PM rats showed a peak shift in circular movements and an increased manifestation of excitable responses, such as vocalizations and paroxysms. A phase change was detected in the plasma triglyceride level. Correlation analysis revealed that in male Wistar rats, the testosterone level correlates negatively with body and testes weights and positively with the blood triglyceride level. By contrast, in PM rats the same correlations were statistically insignificant. These findings indicate a destabilization of the development of morphophysiological characters in PM rats compared to the control Wistar strain. Considering the revealed prodromal symptoms characterizing enhanced pendulum-like hyperkinesis (retarded developmental rate, phase-shifted circular movements and plasma triglyceride levels, altered relationships between correlated phenotypic characters), the PM rat strain can be considered as a model for further investigating the biological basis of epileptiform pathology. [ABSTRACT FROM AUTHOR]

Neonatal mortality can be define as a death of the new born within the first 28 days of life. The risk of death of child in the first four weeks of life is approximately fifteen times more than any other time before child first birthday. Aim of the study: To predict the risk factors and the causes of neonate mortality among the neonates admitted to neonatal care units in AL-Diwaniya maternity and children teaching hospital during the study period. A retrospective study was conducted to review the records of neonatal deaths that took place in neonatal care units in AL-Daiwynia maternity and children teaching Hospital during the year 2019. the demographic data, data concerning pregnancy and delivery and any complication during pregnancy, delivery and puerperium, mode of delivery, place of delivery and causes of neonatal death were taking by data form that designated for this purpose. Among the causes of neonatal death the respiratory distress syndrome was the highest which was found in (57.48%) of cases, followed by birth asphyxia (19.32%), sepsis (13.52%), complications of high hyper bilirubinemia (4.83%), pneumonia (2.17%), cold injury (1.44%) and diarrhea (1.24). Preterm delivery was noticed in (57.49%) of the deceased neonates, 38.16% of them were with appropriate weight for age and gestation, 33.81% with low birth weight, 15.94% with very low birth weight and 12.07% were with extremely low birth weight. The most common causes of neonatal deaths were respiratory distress syndrome, birth asphyxia and sepsis. Prevention of prematurity and low birth weight as major cause for respiratory distress syndrome will decrease neonatal mortality and morbidity. [ABSTRACT FROM AUTHOR]

The objective of this study was to characterize serum protein capillary electrophoretic pattern in 20 clinically healthy neonate calves. The neonates were monitored from birth up to 28 days of age. Venous blood samples were collected from the jugular vein and used for the determination of serum protein fractions using capillary electrophoresis technique. The younger calves 4–11 days old showed electrophoretic pattern composed of albumin and α1-, α2-, β1-, β2- and γ-globulins, whereas the young calves 15–28 days old showed a pattern composed of albumin and α1-, α2-, β- and γ-globulins. The mean values of the relative concentration of serum protein fraction profile (%) were 42.96 ± 6.97 for albumin, 4.53 ± 9.91 for α1-globulin, 20.96 ± 6.80 for α2-globulin, 9.64 ± 1.66 for β1-globulin, 17.38 ± 11.68 for β2-globulin, 12.53 ± 6.17 for β-globulins, 15.98 ± 11.24 for γ-globulins and 0.79 ± 0.22 for albumin/globulins ratio (A/G). Albumin and α2 and β1-globulin fractions (%) and A/G ratio decreased significantly (P ≤ 0.05) in the youngest calves 4–6 days old compared with the calves 15–28 days old. A highly significant decrease (P < 0.0001) in serum-[albumin] was observed in the youngest calves 4–6 days old compared with the calves 15–28 days old. The concentration of β1-globulin (g/l) decreased significantly (P < 0.05) in the youngest calves 4–6 days old compared with the calves 8–11 days old. The neonatal period had a significant effect on the serum protein electrophoretic pattern as a physiological adaptation to the extra-uterine environment and the nutritional status of the neonate's calves. The data can employ for the clinical monitoring of dysproteinaemias associated with the neonatal period. [ABSTRACT FROM AUTHOR]

Early forms of Osteogenesis Imperfecta should be considered as main etiology of bone deformities in newborns. Prenatal diagnosis and genetic counseling should be improved in Africa. Management of these children remains difficult in low‐income countries. [ABSTRACT FROM AUTHOR]

The foramen ovale is an important structure that ensures the functioning of the fetal circulatory system. The work describes process of atrial septum formation from the embryonic stage to the neonatal period. Human atrial septation is inefficient process resulting in a persistent foramen ovale in quarter of adult population. Imaging of the foramen ovale is a valuable parameter for the assessment of the fetal circulatory system with the possibility of capturing life-threatening conditions. The dynamic process of adaptation to extrauterine life is also reflected at the foramen ovale in the postnatal period. The persistent foramen ovale is usually clinically silent in the pediatric population, while in the perspective of adulthood it may be a factor contributing to thromboembolic stroke. The aim of this article is to describe the essential differences in the function of the foramen ovale in the fetal and neonatal period. [ABSTRACT FROM AUTHOR]

T cell-mediated immune tolerance is a state of unresponsiveness of T cells towards specific self or non-self antigens. This is particularly essential during prenatal/neonatal period when T cells are exposed to dramatically changing environment and required to avoid rejection of maternal antigens, limit autoimmune responses, tolerate inert environmental and food antigens and antigens from non-harmful commensal microorganisms, promote maturation of mucosal barrier function, yet mount an appropriate response to pathogenic microorganisms. The cell-intrinsic and cell extrinsic mechanisms promote the generation of prenatal/neonatal T cells with distinct features to meet the complex and dynamic need of tolerance during this period. Reduced exposure or impaired tolerance in early life may have significant impact on allergic or autoimmune diseases in adult life. The uniqueness of conventional and regulatory T cells in human umbilical cord blood (UCB) may also provide certain advantages in UCB transplantation for hematological disorders. [ABSTRACT FROM AUTHOR]

This study aimed to reveal parvalbumin (PVA) expression in cells of the subventricular zone (SVZ), identify the morphological type of these cells, and estimate the effect of acute hypoxia on the size of this cell population in the Wistar rat neonatal period. PVA-expressing cells were revealed immunohistochemically using Abcam rabbit polyclonal antibodies to this calcium-binding protein. Rats were exposed to hypoxia in a special chamber with 7.8% oxygen in a breathing gas mixture. The brain was examined in the neonatal period on postnatal days 5 and 10. It was found that the SVZ, both in control and experimental rats, contains PVA- expressing cells of the same morphological type, which represent migrating immature neuroblasts (type A). In control animals, throughout the entire neonatal period, the number of these cells remains constant and accounts for more than 20% of the total cell population. Perinatal hypoxic exposure leads to increase the number of PVA-expressing cells, as well as the total number of cells, in the SVZ (to 33%). Thus, perinatal hypoxia activates neurogenesis in the SVZ during the neonatal period. In the same period, some neuroblasts express PVA and may reach a certain degree of differentiation of their neurotransmitter phenotype. [ABSTRACT FROM AUTHOR]

Neonatal mortality in puppies is highly variable, with large scale surveys still reporting average values around 10% –15%. Weight measurement is the simplest way to monitor the development of the puppies, and a weight loss during the first 48 hr has been recognized as one of the factors that puts puppies at a higher risk of neonatal mortality. However, little is known about what constitutes optimum growth up to 3 weeks. In this study, a mathematical formula with the form P = P0 exp (0.13084 x ‐ 0.001616 x2), where P is weight on Day x and P0 is weight on Day 0, obtained by multiple linear regression, is presented and validated with data from 345 puppies belonging to 60 litters of 19 different breeds, from toy to giant size, showing that it appropriately describes maximum puppy growth rate during the neonatal period for all breeds. This formula is in agreement with previous studies and generic recommendations that can be found in the literature on puppy growth from birth to 21 days regarding relative daily weight gain. It can be easily introduced in a spreadsheet or used to build growth charts that can help the breeder or the veterinarian in monitoring and evaluating puppy growth during the neonatal period. Although deviations from the maximum growth rate can now be quantified, there is still a need to determine the limits beyond which supplementary feeding is advised/required. [ABSTRACT FROM AUTHOR]

The article reports that neonate diagnosed with Noonan syndrome with myeloproliferative change. Topics include myeloproliferative neoplasm in early childhood, characterized by excessive myelomonocytic cell proliferation and granulocyte-macrophage colony-stimulating factor hypersensitivity; and Hematopoietic stem cell transplantation remains the only curative treatment for JMML.

Aim: Although exclusive breastfeeding is recommended for all newborn in the first 6 months of life, only 13% of Danish premature infants complies with this. This trial aimed to examine whether oral stimulation prolonged exclusive breastfeeding in premature infants. Method: A randomised controlled trial was conducted at the Neonatal Intensive Care Unit, Hvidovre Hospital, Denmark between 2016 and 2018. Systematic oral stimulation was performed by the parents after training by occupational therapists. Primary outcome was exclusive breastfeeding duration with 6 months' follow‐up, analysed by intention‐to‐treat. Results: Included were 211 infants (53% boys) with a mean gestational age of 231 days, allocated in ratio 1:1 to oral stimulation or standard care. There was no difference in exclusive breastfeeding duration between infants orally stimulated and control infants. Thus, for orally stimulated infants, median duration was 122 days (interquartile range 40‐183) in contrast to 154 days (interquartile range 61‐183) for the controls, P value.16. At 6 months of age, 27% of orally stimulated infants were exclusively breastfed compared with 25% of controls. Conclusion: In healthy premature infants, oral stimulation performed by parents has no long‐lasting effect on breastfeeding duration. Attention should be directed to parental education and involvement. [ABSTRACT FROM AUTHOR]

The serotonin transporter (SERT) gene, especially the short allele of the human serotonin transporter linked polymorphic region (5-HTTLPR), has been associated with the development of stress-related neuropsychiatric disorders. In line, exposure to early life stress in SERT knockout animals contributes to anxiety- and depression-like behavior. However, there is a lack of investigation of how early-life exposure to beneficial stimuli, such as tactile stimulation (TS), affects later life behavior in these animals. In this study, we investigated the effect of TS on social, anxiety, and anhedonic behavior in heterozygous SERT knockouts rats and wild-type controls and its impact on gene expression in the basolateral amygdala. Heterozygous SERT+/– rats were submitted to TS during postnatal days 8–14, for 10 min per day. In adulthood, rats were assessed for social and affective behavior. Besides, brain-derived neurotrophic factor (Bdnf) gene expression and its isoforms, components of glutamatergic and GABAergic systems as well as glucocorticoid-responsive genes were measured in the basolateral amygdala. We found that exposure to neonatal TS improved social and affective behavior in SERT+/– animals compared to naïve SERT+/– animals and was normalized to the level of naïve SERT+/+ animals. At the molecular level, we observed that TS per se affected Bdnf, the glucocorticoid-responsive genes Nr4a1, Gadd45β, the co-chaperone Fkbp5 as well as glutamatergic and GABAergic gene expression markers including the enzyme Gad67, the vesicular GABA transporter, and the vesicular glutamate transporter genes. Our results suggest that exposure of SERT+/– rats to neonatal TS can normalize their phenotype in adulthood and that TS per se alters the expression of plasticity and stress-related genes in the basolateral amygdala. These findings demonstrate the potential effect of a supportive stimulus in SERT rodents, which are more susceptible to develop psychiatric disorders. [ABSTRACT FROM AUTHOR]

Iron deficiency is the most common micronutrient deficiency worldwide. Iron is essential for the development of multiple organ systems, most especially the developing brain. Iron deficiency, particularly during sensitive periods of brain development, such as in early childhood, is associated with long‐lasting adverse consequences for cognition, motor function and behaviour. Little consideration has been given to iron deficiency in newborn infants and its potential health consequences. Fetal iron accretion is compromised by pregnancy complications such as pre‐term birth and gestational diabetes mellitus, and our work has identified an increased risk of low iron stores at birth from maternal lifestyle factors such as smoking and obesity. Early‐life events, including Caesarean section delivery, further add to the cumulative risk of neonatal iron deficiency, which can persist throughout infancy into early childhood. While investigations into the long‐term neurological consequences of neonatal iron deficiency are limited, there is evidence of poorer memory, motor function and language ability in children born iron deficient. Recently, we also identified significant behavioural consequences of neonatal deficiency persisting from 2 to 5 years of age, with effects particularly apparent in 'high‐risk' children born to obese or smoking mothers or delivered by Caesarean section. Interventions targeting the fetal/neonatal period could therefore represent a key opportunity for the prevention of iron deficiency and its associated long‐term health consequences. A dual approach is required, comprising public health strategies targeting prevention, to improve health in women of reproductive age, and the development of screening strategies for the early detection of iron deficiency in newborn infants. [ABSTRACT FROM AUTHOR]

Copyright of Shandong Medical Journal is the property of Shandong Medical Health Newspapers and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Introduction: Acquired coagulation disorders are a common cause of neonatal bleeding. The thromboelastograph (TEG) comprehensively assesses haemostatic processes in the body. Unfortunately, the reference range of TEG parameters in the neonatal period has not yet been evaluated, which limits the use of the TEG in neonates. In this study, we aimed to establish the reference range of TEG parameters for the neonatal period. Methods: This study included 371 full‐term infants (≥37 weeks of gestation), and we divided these infants into three groups according to age as follows: 1, 2‐7 and 8‐28 days. We measured their peripheral blood using TEG, coagulation routine and platelet count tests. We analysed differences among the groups. Results: The reference ranges for TEG parameters are presented as medians and reference ranges (2.5th and 97.5th percentiles) as follows: R (clot reaction time, seconds) 4.80 (2.80‐7.17), Angle (fibrin production rate) 69.90 (44.91‐78.89), K (clot kinetics, min) 1.40 (0.80‐4.50), MA (maximum amplitude, mm) 63.50(44.34‐74.66) and LY30 (lysis at 30 minutes, %) 0.10 (0.10‐6.95). There were significant differences in Angle, K, MA and LY30 values between the different neonatal day age groups. Conclusion: This study preliminarily establishes a reference range for TEG parameters during the neonatal period. The age of a newborn had a large influence on TEG parameters. Additionally, we demonstrated a correlation between laboratory tests and TEG parameters for this age period. The reference values provided herein are meaningful for future studies. [ABSTRACT FROM AUTHOR]

Langerhans cell histiocytosis is a rare and clinically heterogeneous group of dendritic histiocytic disorders with typical onset in the neonatal period or infancy, although it can present at any age. Histiocytes accumulate in one or more organs, leading to a variable clinical presentation of disease. We report a case of biopsy-proven Langerhans cell histiocytosis in a newborn and discuss the workup and management of this disease, along with reviewing its clinical variants. [ABSTRACT FROM AUTHOR]

This article presents the results of the study of problematic issues of organisational-and-economic character concerning the provision of children with baby food products in Ukraine and European Union countries. It is established that the marketing feature of baby food products in Ukraine is its sales from pharmacies. It has been proved that the cost of baby food products in EU countries and in Ukraine have no price gradation depending on the degree of economic development of the country. The dynamics of development of the Ukrainian market of baby food products, as well as the dynamics of the cost of baby food products in Ukraine, depending on their dispensing place, have been analysed. It is established that the cost of baby food products is somewhat lower in pharmacies. [ABSTRACT FROM AUTHOR]

Copyright of Acta Veterinaria Brasilica is the property of Acta Veterinaria Brasilica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Faced with rapid environmental changes, individuals may express different magnitude and plasticity in their response to a given stressor. However, little is known about the causes of variation in phenotypic plasticity of the stress response in wild populations. In the present study, we repeatedly captured individual roe deer (Capreolus capreolus) from two wild populations in Sweden exposed to differing levels of predation pressure and measured plasma concentrations of stress-induced cortisol and behavioral docility. While controlling for the marked effects of habituation, we found clear between-population differences in the stress-induced cortisol response. Roe deer living in the area that was recently recolonized by lynx (Lynx lynx) and wolves (Canis lupus) expressed cortisol levels that were around 30% higher than roe deer in the human-dominated landscape free of large carnivores. In addition, for the first time to our knowledge, we investigated the stress-induced cortisol response in free-ranging newborn fawns and found no evidence for hypo-responsiveness during early life in this species. Indeed, stress-induced cortisol levels were of similar magnitude and differed between populations to a similar extent in both neonates and adults. Finally, at an individual level, we found that both cortisol and docility levels were strongly repeatable, and weakly negatively inter-correlated, suggesting that individuals differed consistently in how they respond to a stressor, and supporting the existence of a stress-management syndrome in roe deer. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Animal & Poultry Production is the property of Egyptian National Agricultural Library (ENAL) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objectives: To analyze the clinical and laboratory data of neonates diagnosed with Zellweger syndrome and to estimate the incidence of the syndrome. Methods: The databases of four institutions that admitted newborns diagnosed with Zellweger syndrome to intensive care units between January 2013 and December 2016 were examined. Results: A total of 105,887 live babies were born in the four centers during the study period. Seven were diagnosed with Zellweger syndrome; the incidence was thus 1/15,126. Birth weights were 2,200 - 3,300 g. Six cases were born to consanguineous parents. Dysmorphic findings, respiratory failure, and hypotonia were evident in all patients. Hepatomegaly was apparent in four cases, congenital cardiac defects in four, characteristic cerebral magnetic resonance imaging findings in four, renal cysts in five, hepatic cysts in three, and splenomegaly in one. PEX1 mutations were identified in three patients, and one mutation was novel. Conclusions: The incidences of Zellweger syndrome and cardiac disease were higher than reported previously, being (to the best of our knowledge) among the highest reported worldwide. This is the first time that such incidences have been calculated in Turkey. The syndrome is more common in regions where consanguineous marriage rates are higher. [ABSTRACT FROM AUTHOR]

The aim of this study was to examine the effect of the periparturient period on the plasma fluoride ion (F) concentrations in goats (Capra hircus), from one month before to one month after parturition (at 4 weeks and 1 week before parturition and at 2 days, 10 days, and 4 weeks post-partum) and their kids in the neonatal period (before postnatal day 4, at postnatal days 10-30, and at postnatal days 30-50). The F concentrations measured in the peri-parturient period significantly differed from those observed in the non-pregnant goats. The periparturient period in goats results in an increase of the F concentration four weeks before and a decrease four weeks after parturition. The concentration of F in the plasma of the kids of the goats increased more than threefold in the postnatal days 30-50 period compared to the period before postnatal day 4. [ABSTRACT FROM AUTHOR]

Copyright of Firat Universitesi Saglik Bilimleri Veteriner Dergisi is the property of Firat Universitesiu, Saglik Bilimleri Enstitusu and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)