6 results on '"Youin BAE"'
Search Results
2. Serum Ceruloplasmin as a Potential Clinical Biomarker in Atopic Dermatitis
- Author
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Youin Bae and Seong-Jin Kim
- Subjects
Dermatology - Abstract
Although the discovery of new biomarkers in atopic dermatitis (AD) is challenging, it is valuable in diagnosis, assessment of severity, and evaluation of treatment response.This study was designed to identify and validate new candidate protein biomarkers of AD via proteomic analysis.Comparison of protein expression in the patients' serum before- and after-treatment and in patients without AD was performed via two-dimensional gel electrophoresis (2-DE), followed by image analysis. Spots showing differential expression in 2-DE image analysis were identified subsequently via nanoscale liquid chromatography-tandem mass spectrometry (LC-MS/MS) experiments. Blood tests were conducted to validate the results obtained by measuring the levels of candidate proteins.Based on LC-MS/MS analysis and database search, we identified ceruloplasmin (Cp) as a candidate protein. Serum Cp levels were significantly decreased in in pre-treated AD group than in control group. Additionally, the serum Cp level was higher in the mild group than in the moderate group of AD based on the Eczema Area and Severity Index (EASI) score.Low serum Cp levels are associated with AD, suggesting the potential role of Cp as a biomarker for diagnosis and severity assessment of AD.
- Published
- 2022
3. The Relation of Autologous Serum Skin Test and Autologous Plasma Skin Test Result with Various Clinical and Laboratory Findings in Patients with Chronic Spontaneous Urticaria
- Author
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Sunmi Kim, Youin Bae, Jeong Hee Choi, and Gyeong-Hun Park
- Subjects
medicine.medical_specialty ,Autologous plasma skin test ,Dermatology ,Disease ,Immunoglobulin E ,030207 dermatology & venereal diseases ,03 medical and health sciences ,0302 clinical medicine ,Internal medicine ,Medicine ,Autologous serum skin test ,biology ,Angioedema ,business.industry ,Incidence (epidemiology) ,Autoantibody ,Retrospective cohort study ,Skin test ,Chronic urticaria ,Chronic spontaneous urticaria ,030220 oncology & carcinogenesis ,biology.protein ,Original Article ,medicine.symptom ,business - Abstract
Background: Despite the autologous serum skin test (ASST) and autologous plasma skin test (APST) is widely used test accessing whether a patient with chronic spontaneous urticaria (CSU) has autoreactivity or not, the clinician often encounter difficulty making correlation between the test result and clinical implications. Objective: This study was aimed to find any clinical and laboratory findings related to the ASST and APST response. Agreement and correlation between the two tests was also analyzed. Methods: A retrospective study was conducted on 300 CSU patients who underwent ASST, APST. The subjects were divided into four groups according to the skin test result. Also, the degree of serum and plasma response was recorded. Results: Both ASST and APST positive group had shorter duration of the disease, higher incidence of at least one episode of angioedema than negative group. There were no significant differences in the positivity for autoantibodies including antinuclear, ds-DNA, and thyroid-related between the two groups. The predicted positive rate of ASST and APST according to age showed bimodal peak and decreasing pattern according to disease duration. Predicted positivity of both tests declined with increase in total immunoglobuline E (IgE) level. In the correlation study, the two tests showed high correlation coefficients. Conclusion: ASST and APST positivity may be related to disease duration and severity of CSU. The two tests showed a generally consistent result. Autoreactivity may be gradually lost as disease continues. We suggest the autoreactivity in CSU could arise independently from IgE mediated immune process. (Ann Dermatol 32(4) 280∼288, 2020)
- Published
- 2020
4. Green Nail Syndrome Treated with the Application of Tobramycin Eye Drop
- Author
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Youin Bae, Young Lip Park, Sung Yul Lee, Ji Hoon Sim, Gang Mo Lee, and Sanghoon Lee
- Subjects
medicine.medical_specialty ,integumentary system ,business.industry ,medicine.medical_treatment ,Antibiotic sensitivity ,Onycholysis ,Eye drop ,Case Report ,Dermatology ,Nail plate ,medicine.disease ,Surgery ,Chromonychia ,medicine.anatomical_structure ,Green nail syndrome ,Pseudomonas aeruginosa ,medicine ,Tobramycin ,Nail (anatomy) ,business ,skin and connective tissue diseases ,medicine.drug - Abstract
Green nail syndrome (chromonychia) is a nail disorder characterized by onycholysis and green-black discoloration of the nail bed. This condition is often associated with chronic paronychia. Pseudomonas aeruginosa is the most commonly identified organism in cultures from the affected area. Despite the various treatment options available, removal of the nail is still necessary in many cases. A 35-year-old man presented with dark-greenish discoloration of the nail plate and onycholysis on the left thumbnail. He had been treated with oral antifungal and antibiotic agents for several months; however, the lesion showed no improvement. The diagnosis of green nail syndrome was established after a positive bacterial culture, and on the basis of the antibiotic sensitivity test result, tobramycin eye drop (Tobrex®) was then prescribed. Three weeks later, the nail discoloration almost vanished but the onycholysis remained. Herein, we recommend the application of tobramycin eye drop as an easy and safe treatment option for green nail syndrome.
- Published
- 2014
5. Avoidance Behavior against Positive Allergens Detected with a Multiple Allergen Simultaneous Test Immunoblot Assay in Patients with Urticaria: Factors Associated with Avoidance Success/Failure
- Author
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Youin Bae, Kwang Ho Kim, Heung Yeol Kim, Eun Joo Park, Eun Byul Cho, Gyeong Hun Park, In Ho Kwon, Kwang Joong Kim, Min Kyung Lee, and Han Su Kim
- Subjects
030213 general clinical medicine ,Urticaria ,Dermatology ,Immunoglobulin E ,medicine.disease_cause ,030207 dermatology & venereal diseases ,03 medical and health sciences ,0302 clinical medicine ,Allergen ,immune system diseases ,otorhinolaryngologic diseases ,medicine ,Success failure ,Immunoblot Assay ,In patient ,Food allergens ,biology ,business.industry ,Aeroallergen ,Allergens ,respiratory tract diseases ,Immunology ,biology.protein ,Original Article ,business - Abstract
Background Avoidance behavior against positive allergens detected by using multiple allergen simultaneous test (MAST)-immunoblot assay in patients with urticaria has been rarely reported. Objective We aimed to assess the avoidance behavior of patients with urticaria against positive allergens detected with a MAST. Methods One hundred and one urticaria patients who showed positivity to at least one allergen on a MAST completed a questionnaire regarding their test results. The avoidance behavior of the patients was evaluated, and relevant determining factors of avoidance success/failure were statistically assessed. Results We detected 144 different data (n=51, food allergens; n=17, pollen allergens; and n=76, aeroallergens) from 101 patients with urticaria. The avoidance failure rates were 33.3% for food allergens, 70.6% for pollen allergens, and 30.3% for aeroallergens. The pollen group showed a significantly higher avoidance failure rate than the food and aeroallergen groups (p
- Published
- 2016
6. Clinical evaluation of 168 korean patients with rosacea: the sun exposure correlates with the erythematotelangiectatic subtype
- Author
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Sook Jung Yun, Seung-Chul Lee, Jee Bum Lee, Young Ho Won, Youin Bae, and Seong Jin Kim
- Subjects
Pathology ,medicine.medical_specialty ,business.industry ,Medical record ,Dermatology ,Disease ,Ocular rosacea ,medicine.disease ,Papulopustular ,Rosacea ,Etiology ,Medicine ,Original Article ,Sun exposure ,business ,Clinical evaluation - Abstract
Background: Although rosacea is a chronic cutaneous inflammatory disorder that’s commonly seen in adults, the etiology and pathogenesis of the illness remain unclear. A well established diagnostic classification and grading system may play a critical role in performing research and it would serve as a diagnostic reference in the clinical field. Objective: We sought to classify the patients with the new standard classification and grading system and we wanted determine the peculiar features and relationships of each subtype. We also analyzed the relationships between the degree of sun exposure and each subtype. Methods: We reviewed the medical records and clinical photos of 168 patients who were diagnosed with rosacea from 2002 to 2007 at our hospital. The standard classification and grading system suggested by the National Rosacea Society (NRS) Expert Committee was adopted to evaluate each patient’s subtype and the severity. Results: The male:female ratio was 1: 2.29. The mean age at the time of diagnosis was 47.8 years. The mean duration of disease was 3.5 years. Sun exposure and hot baths/exercise were the two most common precipitating factors, while the majority of patients did not have any specific factor that relieved their symptoms. According to the NRS classification and grading system, the patients were classified into four subtypes. One hundred sixty two (96.4%) patients were diagnosed with the erythematotelangiectatic subtype irrespective of severity. Eighty five (50.6%) patients had the papulopustular subtype and 24 (14.3%) patients had ocular rosacea. Eight (4.8%) patients displayed mild phymatous change. The degree of sun exposure had significant correlation with the development and severity of the erythematotelangiectatic subtype (p
- Published
- 2008
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