نتایج جستجو برای: hla

تعداد نتایج: 40049  

ژورنال: :مجله دانشگاه علوم پزشکی مازندران 0
سعیده سادات شبیری saiedehsadat shobeiri msc student in immunology, student research committee, immunogenetic research center, faculty of medicine, mazandaran university of medical sciences, sari, iran. دانشجوی کارشناسی ارشد ایمونولوژی، مرکز تحقیقات ایمونوژنتیک، کمیته تحقیقات دانشجویی، دانشکده پزشکی، دانشگاه علوم پزشکی مازندران، ساری، ایران ورسا عمرانی نوا versa omrani-nava msc student in immunology, student research committee, immunogenetic research center, faculty of medicine, mazandaran university of medical sciences, sari, iran. دانشجوی کارشناسی ارشد ایمونولوژی، مرکز تحقیقات ایمونوژنتیک، کمیته تحقیقات دانشجویی، دانشکده پزشکی، دانشگاه علوم پزشکی مازندران، ساری، ایران سعید عابدیان کناری saied abediankenari associate professor, department of immunology , immunogenetic research center, faculty of medicine, mazandaran university of medical sciences, sari, iranساری، کیلومتر 18 جاده فرح آباد، مجتمع دانشگاهی پیامبر اعظم، دانشکده پزشکی

hla-g یک مولکول hla کلاس یک b است که درکروموزوم شماره 6 در مکان 6p21.3 قرار دارد. برخلاف مولکول های hla کلاسیک این مولکول درجات کم تری از پلی مرفیسم را دارا می باشد. بروز این مولکول در بدن محدودیت داشته و در شرایط فیزیولوژیک در بافت های خاصی از قبیل تیموس، قرنیه، ماتریکس ناخن، تروفوبلاست و پانکراس بیان می شود. تاکنون 50 آلل از مولکول های hla-g کشف شده است که 16 پروتئین عملکردی مجزا را تولید می ...

Journal: :iranian journal of immunology 0
nader tajik division of immunogenetics, department of immunology, iran university of medical sciences, tehran, iran tohid kazemi division of immunogenetics, department of immunology, iran university of medical sciences, tehran, iran aliakbar delbandi division of immunogenetics, department of immunology, iran university of medical sciences, tehran, iran ahad ghods transplantation unit, hashemi nejad kidney hospital, iran university of medical sciences, tehran, iran alireza salek moghaddam division of immunogenetics, department of immunology, iran university of medical sciences, tehran, iran

background: in addition to human leukocyte antigens (hla) compatibility, gene polymorphisms in cytokines might also be important in the quality of allogeneic immune response. objective: to evaluate the influence of hla-dr matching and a number of cytokine gene polymorphisms on acute rejection after living-unrelated donor (lurd) kidney transplantation. methods: a total of 42 renal transplants pe...

Journal: :iranian journal of otorhinolaryngology 0
sasan dabiri otorhinolaryngology research center, amiralam hospital, tehran university of medical sciences, tehran, iran fatemeh ghadimi otorhinolaryngology research center, amiralam hospital, tehran university of medical sciences, tehran, iran mohammadreza firouzifar otorhinolaryngology research center, amiralam hospital, tehran university of medical sciences, tehran, iran nasrin yazdani otorhinolaryngology research center, amiralam hospital, tehran university of medical sciences, tehran, iran mahsa mohammad amoli endocrinology and metabolism research center, tehran university of medical sciences, tehran, iran. varasteh vakili otorhinolaryngology research center, amiralam hospital, tehran university of medical sciences, tehran, iran

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...

Journal: :iranian journal of immunology 0
arezou sayad department of medical genetics, shahid beheshti university of medical sciences mohammad taghi akbari department of medical genetics, faculty of medical science, tarbiat modares university mahshid mehdizadeh taleghani bone marrow transplantation center mohammad taheri department of medical genetics, shahid beheshti university of medical sciences abbas hajifathali taleghani bone marrow transplantation center

background: non-hodgkin lymphoma (nhl) includes a wide range of diseases with different clinical and biological features. nhl is usually presented as localized or generalized lymphadenopathy. it has been suggested that the hla class i and ii are associated with susceptibility to nhl. different ethnic groups have been found to have different hla class i and ii alleles which affect nhl. objective...

Journal: :iranian journal of immunology 0
houshang rafatpanah immunology research center, buali research institute, mashhad university of medical sciences, iran vera pravica immunology research group, faculty of life sciences, the university of manchester, uk reza faridhosseini immunology research center, buali research institute, mashhad university of medical sciences, iran abbas tabatabaei ghaem hospital, mashhad university of medical sciences, mashhad, iran wiliam ollier center for integrated genomic medical research, the university of manchester, manchester, uk kay poulton transplantation laboratory, central manchester, healthcare trust, manchester, uk wendy thomson

background: human t cell lymphotropic virus type i (htlv-i)-associated myelopa-thy/tropical spastic paraparesis (ham/tsp) is an inflammatory disease which occurs in less than 2% of htlv-i -infected individuals. high proviral load, high htlv-i-specific cd8+ cytotoxic t lymphocyte frequency (ctl) and host genetic factors such as hla all appear to be associated with htlv-i infection. previous stud...

Journal: :Journal of Immunology 2023

Abstract T-cell receptor mimic antibodies (TCRm) have become an attractive therapeutic modality group as they allow for the targeting of intracellular proteins presented by HLA, which may a large potential new targets. However, polymorphic nature classical HLA class I and findings downregulation in cancer cells might limit use these agents treatment. An alternative approach would be to target p...

Journal: :iranian journal of pathology 2009
amitis ramezani ali eslamifar arezoo aghakhani ebrahim kalantar mohammad banifazl

background and objective: the outcome of hepatitis b virus (hbv) infection may be influenced by host factors like human leukocyte antigen (hla). we have investigated hla-a and drb1 alleles in patients with persistent hepatitis b infection compared to subjects who had spontaneously recovered from hbv infection. to complete the findings of this study we performed another survey in certain hla all...

Journal: :Soth East European Journal of Immunology 2023

BACKGOUND: The prevalence of rheumatoid arthritis (RA) and its specific autoantibodies varies in different populations. This variability depends on the genetic polymorphism immune response genes among which HLA system plays a major role. AIM: We conducted preliminary study distribution HLA-DRB1 HLA-DQB1 first field level alleles sample 100 Albanian patients with RA. METHODS: In this context, we...

Journal: :Biomolecules 2023

Cell surface HLA-I molecules (Face-1) consist of a polypeptide heavy chain (HC) with two groove domains (G domain) and one constant domain (C-domain) as well light chain, B2-microglobulin (B2m). However, HCs can also independently emerge unfolded on the cell without peptides B2m-free HC monomers (Face-2), homodimers (Face 3), heterodimers (Face-4). The transport these HLA variants from ER to wa...

Ghasem Solgi, Masoud Sabouri Ghannad, Mehrdad Hajilooi,

Host genetic factors play a central role in determining the clinical phenotype of human diseases. Association between two polymorphic loci in human genome, human leukocyte antigen (HLA) and killer cell immunoglobulin-like receptors (KIRs), and genetically complex infectious disease, particularly those of viral etiology, have been historically elusive. Hence, defining the influence of genetic di...

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