نتایج جستجو برای: چندشکلی hla
تعداد نتایج: 41011 فیلتر نتایج به سال:
Background Specific haplotypes of human leukocyte antigen (HLA) are associated with susceptibility and disease activity Behçet’s (BD). However, the clinical importance HLA-A26 in BD is not well recognized compared to that HLA-B51. Objectives This study aimed examine association between HLA-A26, HLA-B51, manifestations, severity BD, especially focusing on possession. Methods was a multicenter cr...
Objective To explore genetic association between human leukocyte antigen (HLA) and neurodegenerative diseases investigate mechanisms behind the association. Background Pathophysiology of Alzheimer's disease (AD), Parkinson's (PD) amyotrophic lateral sclerosis (ALS) involves accumulation tau (neurofibrillary tangles) amyloid-ß-rich (amyloid plaques) aggregates in AD, a-synuclein-rich (Lewy bodie...
Đặt vấn đề: Gen HLA (kháng nguyên bạch cầu người) nằm trên nhánh ngắn nhiễm sắc thể số 6, được chia thành 3 lớp với các locus gen khác nhau. Việc xác định kiểu là rất cần thiết trong ghép, đặc biệt ghép tế bào gốc tạo máu. Đối tượng và phương pháp: Nghiên cứu cắt ngang tỷ lệ allele HLA-A, HLA-B, HLA-C HLA-DRB1 138 người cho máu tại Bệnh viện Nhi Trung ương từ năm 2010 - 2020. Kiểu bằng pháp PCR...
Objectives: Despite the improvements in early-term outcomes of kidney transplantation, late-term graft failure still remained as a critical problem. De novo donor specific antibodies (DSA) developing against direct human leukocyte antigens (HLA) are significant risk factors for shortened survival previously non-sensitized cases. The purpose this study is to evaluate clinical de DSA development ...
Introduction Several lines of evidence support the contribution of autoimmune mechanisms in the pathogenesis of Meniere’s disease. The aim of this study was determining the association between HLA-Cw Alleles in patients with definite Meniere’s disease and patients with probable Meniere’s disease and a control group. Materials and Methods: HLA-Cw genotyping was performed in 23 patients with def...
the non-classical mhc class-i mainly involves in the regulation of innate immune responses where hla-e plays a significant role in the cell identification by natural killer cells. hla-e is a main regulatory ligand for natural killer cells and given the importance of these effector cells in hematopoietic stem cell transplantation, we investigated the effect of hla-e polymorphisms on post-h...
HLA-B*13:01 is associated with dapsone (DDS)-induced hypersensitivity and it has been shown that CD4+ CD8+ T cells are activated by DDS its nitroso metabolite (DDS-NO). However, there a need to define the importance of HLA association in disease pathogenesis. Thus, DDS-NO-specific cell clones (TCC) were generated from hypersensitive patients expressing assessed for phenotype function, HLA-allel...
Inhibited MHC Class I and MHC Class II antigen processing and presentation upon Sars-CoV-2 infection
Abstract Major histocompatibility (MHC) bound viral peptides are the immune signatures to initiate selective and cross-reactive T cell responses. Identifying antigenic targets of adaptive immunity SARS-CoV-2 is a key towards understanding pathogenesis Sars-CoV-2 rapidly evolving mutants. We isolated immunopeptidomes identify naturally processed presented MHC-II (HLA-DR, HLA-DP) MHC-I (HLA-ABC) ...
The present investigation was focussed to evaluate the mechanical properties of AA7075 subjected corrosion and heat treatment. Exfoliation has been used infuse rapid on material coupled with high temperature subsequent low-temperature aging (HLA). It found that localized pit formation occurs HLA exposure durations substantial inter-granular changes cracks. Significant reduction in observed HLA-...
چکیده پژوهش در همه پستانداران استروژن مهم ترین هورمون تنظیم کننده فرآیند تولید مثل است. پارامترهای مختلف تحت تاثیر استروژن صورت می گیرد. استروژن با تاثیر بر سلولهای پستانی و افزایش گیرنده های رشد و پرولاکتین در این سلول ها به طور غیر مستقیم بر لاکتوژنز تاثیر دارد. بیوسنتز استروژن در بافتهای مختلف بستگی به بیان ژن کدکننده آروماتاز یعنیcyp19دارد. در این پژوهش به منظور بررسی چندشکلی ژن cyp19از نم...
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