نتایج جستجو برای: hla b5 antigen
تعداد نتایج: 231543 فیلتر نتایج به سال:
Severe cutaneous adverse drug reaction (SCAR) is considered to be a multifactorial drug side effect. This study was designed to investigate the epidemiology and human leukocyte antigen (HLA)-A and -B gene polymorphisms in pediatric patients with SCAR admitted in tertiary referral center, southwestern of Iran from 2013 to 2017. Demographic data, past allergy and autoimmune history, clinical pres...
AIM To investigate the association of the HLA-C allele with psoriasis. Methods Twenty five type I psoriasis patients with 25 healthy controls participated in this study. PCR-SSP was preferred for HLA-C typing. The patients were questioned for age at onset and family history and examined for severity and area of involvement of the disease and presence of articular, nail and scalp involvement. PC...
The precise identification of Human Leukocyte Antigen class I (HLA-I) binding motifs plays a central role in our ability to understand and predict (neo-)antigen presentation in infectious diseases and cancer. Here, by exploiting co-occurrence of HLA-I alleles across ten newly generated as well as forty public HLA peptidomics datasets comprising more than 115,000 unique peptides, we show that we...
In 40% of cases of classical Hodgkin lymphoma (cHL), Epstein-Barr virus (EBV) latency-II antigens [EBV nuclear antigen 1 (EBNA1)/latent membrane protein (LMP)1/LMP2A] are present (EBV(+) cHL) in the malignant cells and antigen presentation is intact. Previous studies have shown consistently that HLA-A*02 is protective in EBV(+) cHL, yet its role in disease pathogenesis is unknown. To explore th...
Disulfide reduction is an important step in antigen processing for HLA class II restricted T cell responses. Migration inhibitory factor (MIF) is a member of the thioredoxin family and has been classically defined as a cytokine. Using enzyme-linked immunosorbent assay and CD analysis, here we describe the binding to MIF of two peptides, hepatitis B surface antigen (HBsAg) and insulin B (InsB) w...
Introduction: Killer-cell Immunoglobulin-like Receptors (KIR) are the members of inhibitory and activating receptors expressed chiefly by the natural killer cells (NK). KIR proteins operate as receptors detecting human leukocyte antigen class Ι molecules (HLA). KIRs and their class Ι HLA ligands contribute in the pathogenesis of many kinds of diseases. The aim of this study was to genotypic ana...
PURPOSE Human leukocyte antigen (HLA) class I antigen defects, which are frequently present in head and neck squamous cell carcinoma (HNSCC) cells may provide the tumor with an escape mechanism from immune surveillance. Scanty information is available about mechanisms underlying HLA class I antigen defects in both lesions and cell lines from HNSCC. In this study, we investigate the role of anti...
BACKGROUND MHC-II restricted CD4+ T cells are dependent on antigen presenting cells (APC) for their activation. APC dysfunction in HIV-infected individuals could accelerate or exacerbate CD4+ T cell dysfunction and may contribute to increased levels of immunodeficiency seen in some patients regardless of their CD4+ T cell numbers. Here we test the hypothesis that APC from HIV-infected individua...
Human leukocyte antigen (HLA) class I antigen defects may have a negative impact on the growing application of T-cell-based immunotherapeutic strategies for treatment of leukemia. Therefore in the present study, taking advantage of a large panel of HLA class I allele-specific human monoclonal antibodies, we have compared HLA class I antigen expression on leukemic cells with that on autologous a...
Recent studies suggest that multiple myeloma is an immunogenic disease, which might be effectively targeted by antigen-specific T-cell immunotherapy. As standard of care in myeloma includes proteasome inhibitor therapy, it is of great importance to characterize the effects of this treatment on HLA-restricted antigen presentation and implement only robustly presented targets for immunotherapeuti...
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