نتایج جستجو برای: shla
تعداد نتایج: 135 فیلتر نتایج به سال:
One of the non-classical human leukocyte antigen (HLA) class Ib proteins, HLA-G, is believed to exert important immunoregulatory functions, especially during pregnancy. The presence of HLA protein in paternal seminal fluid has been suggested to have an influence on the risk of developing pre-eclampsia. We have investigated whether HLA-G protein is present in human seminal plasma and in differen...
Soluble HLA-G (sHLA-G) secretion by human preimplantation embryos in culture has been associated with successful embryo development, and therefore has potential to serve as a noninvasive marker of embryo viability. We have examined the spatial and temporal expression of HLA-G in embryos of varying developmental competence and the role of maternal factors in human embryonic HLA-G expression. Emb...
Left ventricular systolic dysfunction (LVSD) defined by ejection fraction (EF) <40% is common, serious but treatable, and correct diagnosis is the cornerstone of effective treatment. Biomarkers may help to diagnose LVSD and give insight into the pathophysiology. The immune system is activated in LVSD, and the immunomodulatory molecule human leukocyte antigen-G (HLA-G) may be involved. The prima...
The expression modulation of the immunosuppressive non-classical Human leukocyte antigen-G (HLA-G) molecule and its soluble isoforms is an immune evasion strategy being deployed by cytomegalovirus (CMV). The +3142 C>G single nucleotide polymorphism (SNP) located within the 3' untranslated region (3'UTR) is of crucial importance for the regulation of HLA-G expression. Therefore, we analyzed the ...
background: pregnancy is a successful transplantation. the factors evading rejection of the fetus are poorly understood. recently an interest has grown, in hla-g molecules as one of these factors. since these antigens are mainly expressed on the surface of cytotro-phoblasts that are in direct contact with maternal tissues, it has been suggested that these molecules may have a role in induction ...
چکیده زمینه و هدف: لانه گزینی جنین یکی از مسائل پیچیده و قابل توجه در تکنیک های کمک باروری است. که این روند به عدم رد جنین توسط سیستم ایمنی مادربستگی دارد. مطالعات انجام شده نشان می دهد که بیومارکر sHLA-G در مراحل قبل از لانه گزینی هم در جنین و هم در محیط کشت جنین توسط سلول های تروفوبلاستی جنینی تولید می شود. این مولکول نقش مهمی در روند لانه گزینی جنین و همچنین تحمل جنین بوسیله مادر ایفاء می کن...
β2m: β2-Microglobulin; β2m-free HC: β2m-free Heavy Chain; CTL: CD8+ Cytotoxic T Lymphocytes; DSA: Donor Specific Antibodies; HC: Heavy Chain Polypeptide; HLA: Human Leukocyte Antigens; HLA-I: Human Leukocyte Antigen Class I; HLA-II: Human Leukocyte Antigen Class II; IFNγ: Interferon-γ; kDa: kilodalton; MHC: Major Histocompatibility Complex; MMP: Matrix Metalloproteinase; rHLA: Recombinant HLA; ...
HLA-G molecule has well-recognized tolerogenic properties, and the encoding gene shows lower frequency of polymorphism at the coding region but higher variability at regulatory 5' and 3' untranslated (3'UTR) regions. At least three 3'UTR polymorphic sites have been associated with HLA-G mRNA regulation, including the 14 base pair (14bp) Insertion/Deletion, +3142C-G and +3187A-G. We studied the ...
چکیده زمینه و هدف: لانه گزینی جنین یکی از مسائل پیچیده و قابل توجه در تکنیک های کمک باروری است. که این روند به عدم رد جنین توسط سیستم ایمنی مادربستگی دارد. مطالعات انجام شده نشان می دهد که بیومارکر shla-g در مراحل قبل از لانه گزینی هم در جنین و هم در محیط کشت جنین توسط سلول های تروفوبلاستی جنینی تولید می شود. این مولکول نقش مهمی در روند لانه گزینی جنین و همچنین تحمل جنین بوسیله مادر ایفاء می ک...
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