نتایج جستجو برای: مدل adcc
تعداد نتایج: 121197 فیلتر نتایج به سال:
The resistance of human immunodeficiency virus type 1 (HIV-1) to antibody-mediated immunity often prevents the detection of antibodies that neutralize primary isolates of HIV-1. However, conventional assays for antibody functions other than neutralization are suboptimal. Current methods for measuring the killing of virus-infected cells by antibody-dependent cell-mediated cytotoxicity (ADCC) are...
UNLABELLED Impairment of Nef function, including reduced CD4 downregulation, was described in a subset of HIV-1-infected individuals that control viral replication without antiretroviral treatment (elite controllers [EC]). Elimination of HIV-1-infected cells by antibody-dependent cellular cytotoxicity (ADCC) requires the presence of envelope glycoproteins (Env) in the CD4-bound conformation, ra...
Multiple myeloma (MM) is currently incurable, and novel therapies are needed. In this study, we examined a novel recombinant humanized monoclonal antibody against CD40 (rhuCD40 mAb) and demonstrate for the first time that rhuCD40 mAb induces antibody-dependent cell-mediated cytotoxicity (ADCC) against CD40-positive MM cells. Importantly, we show that rhuCD40 mAb induces autologous ADCC against ...
Among nonneutralizing HIV-1 envelope antibodies (Abs), those capable of mediating antibody-dependent cellular cytotoxicity (ADCC) activity have been postulated to be important for control of HIV-1 infection. ADCC-mediating Ab must recognize HIV-1 antigens expressed on the membrane of infected cells and bind the Fcγ receptor (FcR) of the effector cell population. However, the precise targets of ...
Antibody-dependent cell-mediated cytolysis (ADCC) of human tumor cells by FcR(+) nonadherent effector lymphocytes as well as natural killer (NK) activity was markedly impaired in Chediak-Steinbrinck-Higashi Syndrome (C-HS) patients. Compared to a more than 400-fold defect in NK activity in terms of lytic units, the abnormal ADCC response in C-HS donors was 24-fold below normal suggesting a part...
P21 activated kinase 2 (PAK2) is a member of Group I PAKs family and highly expressed in various cancers. Current studies have demonstrated that PAK2 played a pivotal role in tumor progression. However, the role of PAK2 in salivary adenoid cystic carcinoma is still unclear. This study aims to explore the expression and the function of PAK2 in AdCC. Human salivary gland tissue microarray, includ...
عنوان بررسی بروز پروتئین c-kit (cd117) در چهار تومور خوش خیم و بدخیم شایع غدد بزاقی مقدمه و هدف پلئومورفیک آدنوما، آدنوئید سیستیک کارسینوما، پلی مورفوس low-grade آدنوکارسینوما، و موکواپیدرموئید کارسینوما ازجمله نئوپلاسم های شایع غدد بزاقی می باشند که با پیش آگهی های بسیار متفاوتی همراه می باشند. گاهی افتراق این نئوپلاسم ها از یکدیگر به دلیل همپوشانی های هیستوپاتولوژیک می تواند مشکل باشد.c-ki...
Antibody-dependent cell-mediated cytotoxicity (ADCC) by peripheral blood mononuclear cells in patients with Sj6grcn's syndrome (SjS) was estimated with special reference te differentiation from phagocytic activity caused by phagocytes. There was no significant difference in ADCC activity of peripheral blood ITmphocytes (phagocyte-depleted lymphocyte fraction) between patients with SjS and norma...
Cord blood lymphocytes, monocytes, and neutrophils from newborns were shown to mediate antibody-dependent cellular cytotoxicity (ADCC) against influenza virus-infected cells. Antibody mediating ADCC was detectable in cord plasma, indicating that all components necessary for ADCC against influenza virus-infected cells are present in newborns. Among adult lymphocytes, two effector cell population...
The therapeutic efficacy of some anti-tumor monoclonal antibodies (mAbs) depends on the capacity of the mAb to recognize the tumor-associated antigen and induce cytotoxicity via a network of immune effector cells. This process of antibody-dependent cell-mediated cytotoxicity (ADCC) against tumor cells is triggered by the interaction of the fragment crystallizable (Fc) portion of the mAb with th...
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