15 results
Search Results
2. Ataxias adquiridas: clasificación y enfoque diagnóstico.
- Author
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Adarmes Gómez, Astrid Daniela
- Subjects
VITAMIN deficiency ,IMMUNOGLOBULINS ,DIAGNOSIS ,CLASSIFICATION - Abstract
Copyright of Kranion is the property of Publicidad Permanyer SLU 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.)
- Published
- 2022
- Full Text
- View/download PDF
3. EVALUACIÓN DE LA SEROPROTECCIÓN CONTRA SARAMPIÓN, RUBÉOLA Y HEPATITIS B EN NIÑOS MENORES DE CINCO AÑOS DEL PERÚ, 2011.
- Author
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Fiestas Solórzano, Víctor, Gonzáles Noriega, Marco, Fiestas, Fabián, Cabezudo, Edwin, Suárez, Magna, and Suárez, Víctor
- Subjects
- *
HEPATITIS B , *MEASLES , *RUBELLA , *IMMUNOGLOBULINS , *BLOOD sampling , *PROBABILITY theory - Abstract
Objectives. To estimate the prevalence of antibodies against measles, rubella and hepatitis B in children aged between 1 and 4 years in Peru. Materials and methods. A national survey was conducted based on a questionnaire and capillary blood sample taken on filter paper in order to study antibodies against measles, rubella and hepatitis B in children from 1 to 4 years of age. A stratified, multistage, probability sampling design was used to be representative at the national level and at level of seven ambits, including the Metropolitan Lima Area, the rest of the urban coast, the rural coast, the urban highlands, the rural highlands, the urban jungle and the rural jungle. The capillary blood samples were processed according to the standardized protocols for detection of antibodies using the ELISA technique and commercial reagents. Results. The survey showed a national prevalence of antibodies against measles, rubella and hepatitis B of 91.6% (CI 95%: 90.6%; 92.7%), 91.3% (CI 95%: 90.3%; 92.4%) and 95.9% (CI 95%: 95.0%; 96.8%) respectively. There was no evidence of significant differences in the prevalence among the ambits of study or among the socioeconomic strata of the conglomerates for any of the three types of antibodies. Conclusions. In children from 1 to 4 years of age, the national prevalence of antibodies against measles and Rubella was between 90-93%, while the prevalence of antibodies against Hepatitis B (anti-HBsAg) was between 95-97%. [ABSTRACT FROM AUTHOR]
- Published
- 2012
- Full Text
- View/download PDF
4. Sistema automatizado para la evaluación de la calidad en los laboratorios de diagnostico con tecnología SUMA.
- Author
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Rego, Alfredo, Pérez,, Héctor, López,, Liliena, and Carlos, Niurka
- Subjects
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CLINICAL pathology , *ENZYME-linked immunosorbent assay , *AUTOMATION , *IMMUNOGLOBULINS , *HEALTH programs , *ANTIGEN-antibody reactions , *CHEMICAL reagents - Abstract
The Center of Immunoassay (CIE) is a research-production complex aiming at the development and production of reagents and instrumentation for medical diagnosis based on immunoenzymatic techniques using the great specificity of the antigen-antibody interactions and the advantages of the reactions catalyzed by enzymes. Its main line is the Ultra Micro Analytical System (SUMA), consists of a technology of equipments and reagents to perform immunoenzymatic analyses at a low cost, which makes it particularly adequate for prevention health programs that require the processing of a big number of samples. In order to achieve a desirable quality warrant, different software systems have been developed for more than a decade, that have been used in the quality assessment process in the laboratories. Under the name of SAC 2.0, the CIE has developed a version of a system for quality control that is able to perform the assessment process totally automated. This paper describes the elements considered in its conception as well as the advantages obtained from automation, which show how important the developed tools are for the proper functioning of the SUMA laboratories allocated not only in Cuba but in other countries as well. [ABSTRACT FROM AUTHOR]
- Published
- 2012
5. Mecanismos patogénicos de los anticuerpos antifosfolípidos.
- Author
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Núñez-Álvarez, Carlos A. and Cabiedes, Javier
- Subjects
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ANTIPHOSPHOLIPID syndrome , *AUTOIMMUNE diseases , *IMMUNOGLOBULINS , *PHOSPHOLIPIDS , *SYSTEMIC lupus erythematosus , *GLYCOPROTEINS - Abstract
The antiphospolipid syndrome (APS) is an autoimmune disease characterized by recurrent fetal loss, thrombotic events (arterial or venous) and hemocytopenic disorders associated to high titers of circulating aPL Two variants of the APS have been described. Primary APS is a clinical entity without evidence of any other autoimmune disease and secondary APS is a clinical disorder mainly associated with Systemic Lupus Erithematosus (SLE). aPL are a widely group of immunoglobulins directed against different components or proteins factors. In 1990 three groups of researchers identified that β2GP-I is the mainly antigenic target of aPL in APS patients. There are evidences that show that more than one pathogenic mechanism is involved in the development of the APS. The best documented clinical manifestations associated with the APS are recurrent fetal loss and thrombotic disorders. The latter is based on observations in vivo in animal models and in vitro on the effects caused by β2GP-I antibodies from patients with APS or from animals which cause experimental APS. The objective of the present paper is to show the pathogenic mechanisms that participate in the development of the APS. We also presented evidence that shows that β2GP-I induces pro-inflammatory, pro-adhesive and pro-coagulant disorder. [ABSTRACT FROM AUTHOR]
- Published
- 2011
- Full Text
- View/download PDF
6. Técnicas inmunológicas que apoyan el diagnóstico de las enfermedades autoinmunes.
- Author
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Hernández Ramírez, Diego F. and Cabiedes, Javier
- Subjects
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MEDICAL technology , *DIAGNOSIS , *MEDICAL innovations , *AUTOIMMUNE diseases , *IMMUNOGLOBULINS - Abstract
During the past few years technological advance have been allowed the developing of techniques that help to the diagnosis of multiple diseases. In the case of the autoimmune diseases, immunological techniques are helpful since they allow the detection of multiple autoantibodies at the same time with small volumes of sample. Together with the development of the new techniques, sensitivity and specificity in the detection of the antibodies specificities' also have been increased, in such a way that the clinicians can count with tests that allow them to make early diagnoses with greater certainty and also to follow the course of the disease based on the variation of the antibodies presents in the patient's samples. It is important to emphasize that the new techniques of laboratory that are used for the support of the diagnosis of autoimmune diseases, no longer are exclusive for research laboratories but by their facility of standardization, quality control and reproducibility they can be used in clinical laboratory of medium and small sizes. In the present paper we describe those techniques with greater application in the clinical laboratory of autoimmune diseases. [ABSTRACT FROM AUTHOR]
- Published
- 2010
- Full Text
- View/download PDF
7. Ensayo de neutralización in vitro de aplicación en la evaluación de inmunógenos contra la hepatitis A, obtenidos mediante la tecnología de expresión en fagos filamentosos.
- Author
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Aguilar, Alicia, Martínez, Raiza, Camacho, Frank, Amin, Nevis, Alfonso, José Luis, Stott, David, and Pérez, Ela María
- Subjects
- *
HEPATITIS A virus , *IMMUNITY , *IMMUNOGLOBULINS , *VACCINATION , *PATHOGENIC microorganisms - Abstract
Immunity to hepatitis A virus (HAV) is in first instance due to neutralizing antibodies. Neutralization assays are essential to evaluate new candidate vaccines against this pathogen. In this paper, an in vitro neutralization assay to evaluate HAV vaccine candidates using phage-display technology is described. 10³ and 10² DICT50 of HAV were incubated with different antibodies preparations and were inoculated onto plates with FRhK4 cells. After seven days of incubation, the neutralizing titer was determined as reciprocal of the serum dilution reducing HAV growth (inhibition of CPE) by 50%. 10³ and 10² DICT50 were neutralized by 7E7 anti-HAV monoclonal antibody and anti-VHA positive human sera (A12 and A31). Negative controls of the assay did not neutralize viral infectivity. Sera from mice immunized with phages displaying VHA mimotopes had neutralizing titers from 4 - 16. Neither negative control nor pre-immune and sera from mice immunized with M13 wild type phage neutralized HAV. A simple and faster in vitro neutralization assay was developed to evaluate new HAV vaccine candidates. [ABSTRACT FROM AUTHOR]
- Published
- 2010
8. ALOINMUNIZACIÓN RH: MANEJO ANTEPARTO. REVISIÓN DE LA LITERATURA.
- Author
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Molina-Giraldo, Saulo and Moise Jr., Kenneth J.
- Subjects
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IMMUNIZATION complications , *PREGNANCY complications , *IMMUNOGLOBULINS , *PRENATAL care , *NEONATAL diseases , *PRENATAL diagnosis , *MEDICAL care , *THERAPEUTICS - Abstract
Introduction: rhesus alloimmunisation remains a common disease in Colombia in spite of universal immunisation having been implemented with immunoglobulin anti-D (Rho) for all susceptible pregnancies. Rh alloimmunisation is a condition requiring risk factors to be identified, all pregnancies to be suitably screened and timely referral to a maternal foetal medicine unit ensured to minimise foetal complications and provide foetal intervention as necessary. Objective: this review was aimed at summarising the available data to provide the reader with tools helping to improve medical care by reviewing the exactitude of screening methods and early diagnosis and the effectiveness of non-invasive and invasive methods of treatment. Methodology: the literature in PubMed, EBSCO, Ovid and ProQuest databases was reviewed. Original papers, reviews, guidelines and bulletins published between 2000 and 2008 were included. Results: antibody titres and middle cerebral artery Doppler were seen to be the screening tools usually used for identifying haemolytic anaemia in the foetus and neonates in Rh alloimmunisation. Rh alloimmunization treatment included close follow-up, intrauterine transfusion and timely delivery and prevention of Rh alloimmunisation by immunoglobulin anti- D (Rho). Conclusion: knowledge of the disease will lead to early recognition of the risk factors and early diagnosis for identifying foetuses at risk which are susceptible to intrauterine therapy. [ABSTRACT FROM AUTHOR]
- Published
- 2009
9. Reactogenicidad e inmunogenicidad tras la inoculación de vacuna frente a SARS-CoV-2 en personal de diálisis.
- Author
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Guerrero-Rodríguez, Elena, Hernán-Gascueña, David, Miranda-Serrano, María Blanca, Arenas-Jiménez, Lola, Pereira-Feijoo, Concepción, and Sanjuan-Miguelsanz, Marta
- Subjects
IMMUNOGLOBULINS ,SCIENTIFIC observation ,VACCINES ,FEVER ,NAUSEA ,PAIN ,COVID-19 vaccines ,CROSS-sectional method ,RESEARCH methodology ,ANTIBODY formation ,HEMODIALYSIS ,FATIGUE (Physiology) ,HEADACHE - Abstract
Copyright of Enfermería Nefrológica is the property of Sociedad Espanola de Enfermeria Nefrologica 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.)
- Published
- 2021
- Full Text
- View/download PDF
10. RESPUESTA INMUNE EN NEONATOS BOVINOS DE MADRES VACUNADAS Y NO VACUNADAS CON BACTERINA CONTRA NEUMOENTERITIS.
- Author
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Castrillón Rodríguez, María Inés and Campos Gaona, Rómulo
- Subjects
IMMUNOMODULATORS ,LIVESTOCK productivity ,PROTEIN metabolism ,LIVESTOCK mortality ,VACCINATION ,IMMUNOGLOBULIN M - Abstract
Copyright of Revista de Investigación Agraria y Ambiental is the property of Revista de Investigacion Agraria y Ambiental 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.)
- Published
- 2021
- Full Text
- View/download PDF
11. Inmunodeficiencia combinada severa (SCID) en Neiva, Colombia. Reporte de caso.
- Author
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Patricia Ortiz-Polanco, Silvia, Mercedes Castañeda-Uvajoa, Diana, Rocío Vega, Martha, Cecilia Salgado, Doris Martha, Fernando Narváez, Carlos, and Antonio Rodríguez, Jairo
- Subjects
URINARY tract infections ,SEVERE combined immunodeficiency ,PSEUDOMONAS aeruginosa infections ,IMMUNOLOGIC diseases ,CYTOMEGALOVIRUS diseases ,CANDIDA albicans ,GENETIC disorders - Abstract
Copyright of Revista Facultad de Medicina de la Universidad Nacional de Colombia is the property of Universidad Nacional de Colombia 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.)
- Published
- 2019
- Full Text
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12. Comparación del nivel de marcadores inmunológicos entre recién nacidos con bajo peso de madres hipertensas y no hipertensas.
- Author
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Salazar-Torres, Lay, Gómez-Hernández, Tahiry, Bequer-Mendoza, Leticia, Heredia-Ruiz, Danay, Fernández-Caraballo, Douglas, and Pérez de Alejo-Rodríguez, Ludgarda
- Abstract
Copyright of Revista Latinoamericana de Patología Clínica y Medicina de Laboratorio is the property of Federacion Mexicana de Patologia Clinica y de la Asociacion Latinoamericana de Patologia Clinica 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.)
- Published
- 2014
13. Bickerstaff: encefalitis del tallo cerebral.
- Author
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Lule-Alatorre, Karen Pamela, Domínguez-Borgua, Andrés, Martín-Ramírez, Jair Francisco, López-Galicia, Desireth Nayelli, Vázquez-Flores, Al David, and Zaldívar-Clavellina, Ana Karina
- Subjects
ENCEPHALITIS ,BRAIN diseases ,BRAIN stem diseases ,IMMUNOGLOBULINS ,DISEASE remission ,BRAIN disease research ,DROWSINESS - Abstract
Copyright of Medicina Interna de Mexico is the property of Colegio de Medicina Interna de Mexico 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.)
- Published
- 2014
14. Aspectos clínicos y de diagnóstico de la gnatostomosis experimental canina.
- Author
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Álvarez-Guerrero, César, Muñoz-Guzmán, Marco Antonio, and Alba-Hurtado, Fernando
- Subjects
DOG diseases ,GNATHOSTOMIASIS ,GUT microbiome ,ULTRASONIC imaging ,IMMUNOGLOBULINS ,PATTERN perception ,GNATHOSTOMA ,ENZYME-linked immunosorbent assay - Abstract
Copyright of Veterinaria México is the property of Facultad de Medicina Veterinaria y Zootecnia UNAM 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.)
- Published
- 2012
15. INMUNOSENSOR PIEZOELÉCTRICO PARA LA DETECCIÓN DEL METABOLITO 3,5,6-TRICLORO-2-PIRIDINOL DEL PLAGUICIDA CLORPIRIFOS.
- Author
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Ocampo, Aquiles, Jaramillo, Marisol, March, Carmen, and Montoya, Ángel
- Subjects
CHLORPYRIFOS ,BIOSENSORS ,METABOLITES ,PIEZOELECTRICITY ,IMMUNOASSAY ,IMMUNOGLOBULINS ,COVALENT bonds ,QUARTZ crystals - Abstract
Copyright of Revista EIA is the property of Escuela de Ingenieria de Antioquia 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.)
- Published
- 2011
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