نتایج جستجو برای: hla classib

تعداد نتایج: 40050  

دکتر علی‌اکبر پورفتح‌اله, , راضیه امینی, , شهرام سمیعی, , ملیحه کم گویان, ,

  چکید ه   سابقه و هدف   ‌ هدف از این مطالعه تعیین فراوانی آنتی‌ژن‌های HLA در جمعیت بومی شهر همدان می‌باشد که علاوه بر استفاده در مطالعات مردم‌شناسی و بیماری‌های مرتبط با HLA ، کاربرد وسیعی در بانک پیوند اعضا دارد. به‌منظور راه‌اندازی روش DNA-based HLA Typing در سازمان انتقال خون تهران، با انجام آزمون PCR به روش SSP ، مقایسه‌ای بین دو روش مولکولی و سرولوژیک انجام شد.   مواد وروش‌ها   مطالعه انج...

Journal: :The Journal of Korean Diabetes 2022

testing revealed that the patient was positive for HLA-DRB1*04, HLA-DRB1*12, HLA-DQB1*03, andHLA-DQB1*04. To best of our knowledge, this is first case fulminant T1DM reported to occurimmediately after COVID-19 infection.

Journal: :Journal of Immunology 2023

Abstract Activation of CD8 +T cells against pathogens and cancers involves the recognition antigenic peptides presented in complex with human leukocyte antigen (HLA) class-I proteins. Peptide binding to HLA-I proteins is coordinated by a multi-protein called peptide loading (PLC). Tapasin, key PLC component, facilitates optimization peptides. However, different allotypes have variable requireme...

Journal: :International Journal of Molecular Sciences 2023

Recently, we have shown that HLA-A*02:01 and HLA-A*24:02 in de novo metastatic prostate cancer (MPCa) an important role disease progression. Since MPCa represents a small group among patients diagnosed with (PCa), it was obvious to try extend the validity of our results larger cohorts PCa patients. Herein, analyzed irrespective their status at diagnosis include, besides MPCa, those localized (L...

ژورنال: :مجله علمی دانشگاه علوم پزشکی گرگان 0
ابراهیم علیجانی e.alijani (m.sc) department of immunoheamatology, zahedan university of medical sciencesزاهدان ، میدان مشاهیر ، دانشگاه علوم پزشکی و خدمات بهداشتی - درمانی زاهدان ، دانشکده پزشکی ، گروه ایمنی‎شناسی و خون‎شناسی تلفن : 2415081-0541 دکتر مهدی شکرآبی m.shekarabi (ph.d) ملیحه کم‎گویان m.kamgooyan (m.sc) دکتر صبا عرشی s.arshi (m.d) محمدجعفری‎مدرک m.jafari-modrek (m.sc)

سیستم اصلی سازگاری بافتی (mhc) به دلیل نقش زیست شناختی وسیع و گسترده آن در سیستم ایمنی بسیار مورد توجه بوده است. آنتی ژن های این مجموعه ژنی که در انسان تحت عنوان آنتی ژن های لکوسیتی انسانی (hla) خوانده می شوند، در پاسخ های ایمنی نقش مهم و در خور توجهی دارند، و ژنوم مربوط به این مجموعه به عنوان ژن های کنترل کننده پاسخ های ایمنی مطرحند. از طرف دیگر رابطه قوی و مستحکم بین پاره ای از بیماری های با ...

Journal: :iranian red crescent medical journal 0
sima mansoori derakhshan immunology research center, tabriz university of medical sciences, tabriz, ir iran; department of medical genetic, faculty of medicine, tabriz university of medical sciences, tabriz, ir iran fatemeh zeinali sehrig department of biological science, ahar branch, islamic azad university, ahar, ir iran nasrin sohrabi immunology research center, tabriz university of medical sciences, tabriz, ir iran; department of medical genetic, faculty of medicine, tabriz university of medical sciences, tabriz, ir iran siamak shiva department of pediatrics, faculty of medicine, tabriz university of medical sciences, tabriz, ir iran behzad baradaran immunology research center, tabriz university of medical sciences, tabriz, ir iran mahmoud shekari khaniani immunology research center, tabriz university of medical sciences, tabriz, ir iran; department of medical genetic, faculty of medicine, tabriz university of medical sciences, tabriz, ir iran; department of medical genetic, faculty of medicine, tabriz university of medical sciences, tabriz, ir iran. tel: +98-4113371587, fax: +98-4113371587

conclusions our investigation demonstrated that there is a highly significant association between the studied alleles and t1d. it can be construed that haplotype hla-dr3-dq2 has a very modest effect with respect to the risk of t1d. patients and methods this study was a case-control study. the number of samples was determined using the cochran formula. eighty unrelated t1d patients, including 42...

Journal: :iranian journal of immunology 0
roghayeh rahimi tarbiat modares university, school of medical sciences ahmad zavaran hosseini tarbiat modares university, school of medical sciences fatemeh yari research center, iranian blood transfusion organization, tehran, iran

background: hla-g gene contains 15 alleles including a null allele, hla-g*0105n. previous studies have shown that hla-g*0105n does not encode the complete hla-g1 or hla-g5 isoforms but encodes a functional hla-g protein with the ability to in-hibit nk cell cytolysis. thus, although the biological functions of hla-g1 and hla-g5 proteins are abrogated, other isoforms such as hla-g2 can replace th...

ژورنال: دانشور پزشکی 2017
ترشیایی, صبا, طباطبائی پناه, اکرم السادات, مسلمی, الهام,

Background and Objective: Alopecia Areata (AA) is a multifactorial disease characterized by hair loss especially from the scalp affecting approximately 5.3 million people. Since major histocompatibility complex (HLA) region is considered to be associated with AA susceptibility, the effect of HLA-DQB1*3 allele frequency was investigated in the present study in AA patients and their respective co...

ژورنال: مجله دندانپزشکی 2002
لطف آذر, مهرداد ,

This review was focused on investigations in the relationship between human leukocyte antigens and periodontal disease. Several studies have looked for relationship between HLA phenotypes and early onset periodontitis (EOP). There have also been reports on both positive and negative relationship between specific HLA antigens and periodontal disease. Positive relationship has been reported among...

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...

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