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https://www.readbyqxmd.com/read/28205426/a-study-of-hla-b-15-02-in-9-different-chinese-ethnics-implications-for-carbamazepine-related-sjs-ten
#1
G J Ou, J Wang, X Ji, H Yu, L Jiang, L Li, Q Chen, P C Su, Z Liu
BACKGROUND: HLA-B*15:02 is a known biomarker for carbamazepine (CBZ)-induced Stevens-Johnson syndrome and toxic epidermal necrolysis (SJS/TEN) in some ethnic populations. The US FDA recommends B*15:02 screening for Asian and other populations with a high prevalence of B*15:02 prior to treatment with CBZ to prevent drug-related SJS/TEN. MATERIALS AND METHODS: A total of 1607 blood samples were collected from volunteer blood donors who were ethnic minorities living in the Yunnan province of southwestern China, including 153 Yi, 193 Naxi, 167 Miao, 156 Lisu, 166 Derung, 211 Bai, 184 Hani, 198 Dai, and 179 Zhuang...
February 15, 2017: HLA
https://www.readbyqxmd.com/read/28203363/an-exploratory-factor-analysis-of-the-spontaneous-reporting-of-severe-cutaneous-adverse-reactions
#2
Manfred Hauben, Eric Hung, Wen-Yaw Hsieh
BACKGROUND: Severe cutaneous adverse reactions (SCARs) are prominent in pharmacovigilance (PhV). They have some commonalities such as nonimmediate nature and T-cell mediation and rare overlap syndromes have been documented, most commonly involving acute generalized exanthematous pustulosis (AGEP) and drug rash with eosinophilia and systemic symptoms (DRESS), and DRESS and toxic epidermal necrolysis (TEN). However, they display diverse clinical phenotypes and variations in specific T-cell immune response profiles, plus some specific genotype-phenotype associations...
January 2017: Therapeutic Advances in Drug Safety
https://www.readbyqxmd.com/read/28203102/the-hla-a-31-01-allele-influence-on-carbamazepine-treatment
#3
REVIEW
Vincent Lai Ming Yip, Munir Pirmohamed
Carbamazepine (CBZ) is an effective anticonvulsant that can sometimes cause hypersensitivity reactions that vary in frequency and severity. Strong associations have been reported between specific human leukocyte antigen (HLA) alleles and susceptibility to CBZ hypersensitivity reactions. Screening for HLA-B*15:02 is mandated in patients from South East Asia because of a strong association with Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN). HLA-A*31:01 predisposes to multiple phenotypes of CBZ hypersensitivity including maculopapular exanthema, hypersensitivity syndrome, and SJS/TEN in a range of populations including Europeans, Japanese, South Koreans and Han Chinese, although the effect size varies between the different phenotypes and populations...
2017: Pharmacogenomics and Personalized Medicine
https://www.readbyqxmd.com/read/28202399/the-epidemiology-of-stevens-johnson-syndrome-and-toxic-epidermal-necrolysis-in-the-uk
#4
Noel Frey, Janine Jossi, Michael Bodmer, Andreas Bircher, Susan S Jick, Christoph R Meier, Julia Spoendlin
Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are rare but life-threatening mucocutaneous diseases. SJS/TEN mostly manifest as a reaction to new drug use, but little is known about their incidence and epidemiology. We conducted a large observational study on the epidemiology of SJS/TEN using data from the UK-based Clinical Practice Research Datalink. Among 551 validated SJS/TEN cases, we calculated an incidence rate of 5.76 SJS/TEN cases/million person-years between 1995 and 2013, which was consistent throughout the study period, and was highest in patients aged 1-10 years and ≥80 years...
February 12, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28144971/long-term-complications-of-stevens-johnson-syndrome-toxic-epidermal-necrolysis-the-spectrum-of-chronic-problems-in-patients-who-survive-an-episode-of-sjs-ten-necessitates-multi-disciplinary-follow-up
#5
REVIEW
H Y Lee, S A Walsh, D Creamer
Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are severe adverse reactions to drugs which cause a life-threatening eruption of mucocutaneous blistering and epithelial sloughing. The two terms describe phenotypes occurring at either end of a severity spectrum: SJS is the less extensive form (<10% body surface area (BSA) detachment), while TEN is the more extensive (>30% BSA detachment). Cases in which there is 10-30% epidermal detachment are referred to as SJS-TEN overlap. This article is protected by copyright...
February 1, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28137210/the-metabolism-of-methazolamide-in-immortalized-human-keratinocytes-hacat-cells
#6
Tetsuo Sasabe, Shinichiro Maeda, Kenichi Kishida, Mariko Yamano, Yoshihiro Miwa, Toshihiro Sugiyama
OBJECTIVE: Drug therapy is occasionally accompanied by an idiosyncratic severe toxicity, which occurs very rarely, but can lead to patient mortality. Methazolamide, an anti-glaucomatous agent, could cause severe skin eruptions called Stevens-Johnson syndrome/toxic epidermal necrolyis (SJS/TEN). Its precise etiology is still uncertain. In this study, the metabolism of methazolamide was investigated in immortalized human keratinocytes to reveal the possible mechanism which causes SJS/TEN...
January 27, 2017: Drug Metabolism Letters
https://www.readbyqxmd.com/read/28108476/dynamic-analysis-of-the-mesenchymal-epithelial-transition-of-blood-brain-barrier-forming-glia-in-drosophila
#7
Tina Schwabe, Xiaoling Li, Ulrike Gaul
During development, many epithelia are formed by a mesenchymal-epithelial transition (MET). Here, we examine the major stages and underlying mechanisms of MET during blood-brain barrier formation in Drosophila We show that contact with the basal lamina is essential for the growth of the barrier-forming subperineurial glia (SPG). Septate junctions (SJs), which provide insulation of the paracellular space, are not required for MET, but are necessary for the establishment of polarized SPG membrane compartments...
February 15, 2017: Biology Open
https://www.readbyqxmd.com/read/28104975/antiepileptic-drugs-induced-stevens-johnson-syndrome-a-case-series
#8
Bhavi S Trivedi, Nishita H Darji, Supriya D Malhotra, Pankaj R Patel
Stevens-Johnson syndrome (SJS) is an acute life-threatening mucocutaneous reaction, characterized by extensive necrosis and detachment of the epidermis from the skin. The overall incidence of SJS is seen in five cases per million people per year. SJS is typically caused by drugs and is a kind of idiosyncratic reaction. Adverse drug reactions such an SJS have a remarkable effect on patient's safety issues. We encountered nine cases of antiepileptic drug (AED)-induced SJS, specifically with carbamazepine, oxcarbazepine, and phenytoin...
December 2016: Journal of Basic and Clinical Pharmacy
https://www.readbyqxmd.com/read/28101480/spectrum-of-cutaneous-adverse-reactions-to-levetiracetam-and-human-leukocyte-antigen-typing-in-north-indian-patients
#9
Bhargavi Ramanujam, Kavish Ihtisham, Gurvinder Kaur, Shivani Srivastava, Narinder Kumar Mehra, Neena Khanna, Mahip Singh, Manjari Tripathi
BACKGROUND AND PURPOSE: Aromatic antiepileptic drugs are frequently implicated for cutaneous adverse drug reactions (cADRs); there are case-reports of even severe reactions like drug reaction eosinophilia and systemic symptoms (DRESS) and Stevens Johnson syndrome (SJS)-toxic epidermal necrolysis with Levetiracetam (LEV). Certain human leukocyte antigen (HLA)-alleles have strong association with cADRs due to specific drugs - HLA-B*15:02 and HLA-A*31:01 in Carbamazepine (CBZ)-related SJS in Han-Chinese and European populations, respectively...
December 2016: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/28100913/genome-wide-association-study-using-the-ethnicity-specific-japonica-array-identification-of-new-susceptibility-loci-for-cold-medicine-related-stevens-johnson-syndrome-with-severe-ocular-complications
#10
Mayumi Ueta, Hiromi Sawai, Ryosei Shingaki, Yusuke Kawai, Chie Sotozono, Kaname Kojima, Kyung-Chul Yoon, Mee Kum Kim, Kyoung Yul Seo, Choun-Ki Joo, Masao Nagasaki, Shigeru Kinoshita, Katsushi Tokunaga
A genome-wide association study (GWAS) for cold medicine-related Stevens-Johnson syndrome (CM-SJS) with severe ocular complications (SOC) was performed in a Japanese population. A recently developed ethnicity-specific array with genome-wide imputation that was based on the whole-genome sequences of 1070 unrelated Japanese individuals was used. Validation analysis with additional samples from Japanese individuals and replication analysis using samples from Korean individuals identified two new susceptibility loci on chromosomes 15 and 16...
January 19, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28100272/bibliometric-analysis-of-literature-on-toxic-epidermal-necrolysis-and-stevens-johnson-syndrome-1940-2015
#11
Waleed M Sweileh
BACKGROUND: Stevens Johnson Syndrome (SJS) and toxic epidermal necrolysis (TEN) are rare but fatal adverse skin reactions that affect all age groups. In order to better understand literature on this topic, we conducted a bibliometric study using Scopus database to shed light on number and growth of publications, most active countries, institutions, journals and authors involved in publishing articles in this field, citation analysis, top cited articles, international collaboration, role of medications and genetic association...
January 18, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28075032/-microbiological-findings-and-antibacterial-therapy-in-stevens-johnson-syndrome-toxic-epidermal-necrolysis-patients-from-a-swedish-burn-center
#12
Ilaria Tocco-Tussardi, Fredrik Huss, Benjamin Presman
BACKGROUND: Superimposed infections/sepsis are the major cause of morbidity/mortality in Stevens-Johnson syndrome/Toxic Epidermal Necrolysis (SJS/TEN). It is a delicate balance between avoiding new pharmaceuticals and prophylactically treat an incipient infection. The objective of this study was to investigate the rates and types of infection-microbials and antibiotics involved in SJS/TEN patients. METHODS: Microbiology and clinical data were collected for SJS/TEN patients admitted to our Burn Centre from January 2010 through January 2016...
January 11, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28062682/genome-wide-association-study-of-nevirapine-hypersensitivity-in-a-sub-saharan-african-hiv-infected-population
#13
Daniel F Carr, Stephane Bourgeois, Mas Chaponda, Louise Y Takeshita, Andrew P Morris, Elena M Cornejo Castro, Ana Alfirevic, Andrew R Jones, Daniel J Rigden, Sam Haldenby, Saye Khoo, David G Lalloo, Robert S Heyderman, Collet Dandara, Elizabeth Kampira, Joep J van Oosterhout, Francis Ssali, Paula Munderi, Giuseppe Novelli, Paola Borgiani, Matthew R Nelson, Arthur Holden, Panos Deloukas, Munir Pirmohamed
BACKGROUND: The antiretroviral nevirapine is associated with hypersensitivity reactions in 6%-10% of patients, including hepatotoxicity, maculopapular exanthema, Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN). OBJECTIVES: To undertake a genome-wide association study (GWAS) to identify genetic predisposing factors for the different clinical phenotypes associated with nevirapine hypersensitivity. METHODS: A GWAS was undertaken in a discovery cohort of 151 nevirapine-hypersensitive and 182 tolerant, HIV-infected Malawian adults...
January 6, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28060039/epidemiology-and-molecular-characteristics-of-mycoplasma-pneumoniae-during-an-outbreak-of-m-pneumoniae-associated-stevens-johnson-syndrome
#14
Louise K Francois Watkins, Daniel Olson, Maureen H Diaz, Xia Lin, Alicia Demirjian, Alvaro J Benitez, Jonas M Winchell, Christine C Robinson, Kirk A Bol, Mary P Glodé, Samuel R Dominguez, Lisa A Miller, Preeta K Kutty
BACKGROUND: An increase in Mycoplasma pneumoniae-associated Stevens-Johnson syndrome (SJS) cases at a Colorado pediatric hospital led to an outbreak investigation. We describe the epidemiologic and molecular characteristics of M. pneumoniae among SJS case-patients and surrounding community members during the outbreak. METHODS: M. pneumoniae PCR-positive respiratory specimens from 5 Colorado hospitals and 4 referral laboratories underwent confirmatory PCR testing; positive specimens then underwent multilocus variable-number tandem-repeat analysis (MLVA) and macrolide resistance testing...
January 3, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28017537/human-leukocyte-antigen-and-idiosyncratic-adverse-drug-reactions
#15
REVIEW
Toru Usui, Dean J Naisbitt
A clinical association between a specific human leukocyte antigen (HLA) allele and idiosyncratic adverse drug reactions (IADRs) is a strong indication that IADRs are mediated by the adaptive immune system. For example, it is well-established that HLA-B*15:02 and HLA-B*57:01 are associated with carbamazepine-induced Stevens-Johnson syndrome (SJS)/toxic epidermal necrolysis (TEN) and abacavir-induced hypersensitivity/flucloxacillin-induced liver injury, respectively. Drug-specific T-cells whose response is restricted by specific HLA risk alleles have been detected from IADR patients, also suggesting an adaptive immune pathogenesis...
November 18, 2016: Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/28011147/interleukin-15-is-associated-with-severity-and-mortality-in-stevens-johnson-syndrome-toxic-epidermal-necrolysis
#16
Shih-Chi Su, Maja Mockenhaupt, Pierre Wolkenstein, Ariane Dunant, Sabine Le Gouvello, Chun-Bing Chen, Olivier Chosidow, Laurence Valeyrie-Allanore, Teresa Bellon, Peggy Sekula, Chuang-Wei Wang, Martin Schumacher, Sylvia H Kardaun, Shuen-Iu Hung, Jean-Claude Roujeau, Wen-Hung Chung
Early diagnosis and prognosis monitoring for Stevens-Johnson syndrome (SJS)/ toxic epidermal necrolysis (TEN) still remain a challenge. This study aims to explore any cytokine/chemokine with prognostic potential in SJS/TEN. Through screening a panel of 28 serological factors, IL-6, IL-8, IL-15, TNF-α, and granulysin were upregulated in SJS/TEN patients and selected for the further validation in total 155 SJS/TEN patients, including 77 from Taiwan and 78 from RegiSCAR (the Registry of Severe Cutaneous Adverse Reactions)...
December 20, 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/27990674/nationwide-survey-of-stevens-johnson-syndrome-and-toxic-epidermal-necrolysis-in-children-in-the-united-states
#17
Yusuke Okubo, Kotaro Nochioka, Marcia A Testa
Although Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are serious, life-threatening reactions to drug therapies, no efforts have been made to investigate the comprehensive change in epidemiology with respect to age, sex, and race and ethnicity in children. The risk of death was 0.3% to 1.5%, and the highest hospitalization rates were in children 15 to 19 years of age, boys, and black children. The highest proportions of hospitalizations were children with very low household income, those with private insurance, and those treated at large urban teaching hospitals in the West...
December 19, 2016: Pediatric Dermatology
https://www.readbyqxmd.com/read/27988380/salinity-alters-snakeskin-and-mesh-transcript-abundance-and-permeability-in-midgut-and-malpighian-tubules-of-larval-mosquito-aedes-aegypti
#18
Sima Jonusaite, Andrew Donini, Scott P Kelly
This study examined the distribution and localization of the septate junction (SJ) proteins snakeskin (Ssk) and mesh in osmoregulatory organs of larval mosquito (Aedes aegypti), as well as their response to altered environmental salt levels. Ssk and mesh transcripts and immunoreactivity were detected in tissues of endodermal origin such as the midgut and Malpighian tubules of A. aegypti larvae, but not in ectodermally derived hindgut and anal papillae. Immunolocalization of Ssk and mesh in the midgut and Malpighian tubules indicated that both proteins are concentrated at regions of cell-cell contact between epithelial cells...
March 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/27958291/sexual-dimorphic-function-of-il-17-in-salivary-gland-dysfunction-of-the-c57bl-6-nod-aec1aec2-model-of-sj%C3%A3-gren-s-syndrome
#19
Alexandria Voigt, Lida Esfandiary, Arun Wanchoo, Patricia Glenton, Amy Donate, William F Craft, Serena L M Craft, Cuong Q Nguyen
Interleukin (IL)-17 is one of the critical inflammatory cytokines that plays a direct role in development of Sjögren's syndrome (SjS), a systemic autoimmune disease characterized by a progressive chronic attack against the exocrine glands. The expression levels of IL-17 are correlated with a number of essential clinical parameters such as focus score and disease duration in human patients. Significantly immunological differences of Th17 cells were detected at the onset of clinical disease in female SjS mice compared to males...
December 13, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27941382/russian-keratoprosthesis-in-stevens-johnson-syndrome
#20
Xiao Ma, Ran Xiang, Xiaoli Meng, Limin Qin, Ying Wu, Lei Tain, Yanming Jiang, Yifei Huang, Liqing Wang
PURPOSE: To evaluate the efficacy and safety of Moscow Eye Microsurgery Complex in Russia (MICOF) keratoprosthesis (KPro) implantation in patients with Stevens-Johnson syndrome (SJS). METHODS: This was a retrospective case series. Fourteen eyes of 13 patients with SJS underwent KPro implantation at the Chinese People's Liberation Army General Hospital between April 1, 2000, and December 24, 2014. The visual outcome, KPro retention rate, and incidence of postoperative complications and their management were recorded and investigated...
March 2017: Cornea
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