نتایج جستجو برای: inhibitory antibodies
تعداد نتایج: 284372 فیلتر نتایج به سال:
Background: Human epidermal growth factor receptor 2 (HER2) has a crucial role in several malignancies. The extracellular domain of HER2 (HER2-ECD) has been extensively employed as an important target in passive and active immunotherapy. Isolated recombinant prokaryotic HER2-ECD subdomains were previously found to be ineffective in inducing anti-tumor antibody response. Objective: To employ rec...
The pandemic caused by the new H1N1 swine-origin influenza virus (S-OIV) strain is a worldwide health emergency and alternative therapeutic and prophylactic options are greatly needed. Two human monoclonal antibody Fab fragments (HMab) neutralizing the novel H1N1 influenza strain at very low concentrations were cloned from a patient who had a broad-range anti-H1N1 serum neutralizing activity. T...
Immune responses to Plasmodium falciparum rhoptry-associated protein 1 (RAP-1), RAP-2, and RAP-3 appear to contribute to protection against infection by this human malarial parasite. This conclusion is suggested by results of monkey immunization trials and of cell culture studies showing antibody-dependent inhibition of erythrocyte invasion. In the present study, splenectomized owl monkeys were...
background: antiphospholipid antibodies (apl) are a heterogeneous family of anti-bodies associated with thrombosis and other complications. objective: to study the prevalence of apl in patients with thrombosis at aleppo university hospitals, syria. methods: one hundred and fifty-seven patients with venous and arterial thrombosis and 63 healthy controls were studied. anticardiolipin antibodies (...
A new generation of HIV broadly neutralizing antibodies (bnAbs) with remarkable potency, breadth and epitope diversity has rejuvenated interest in immunotherapeutic strategies. Potencies defined by in vitro IC50 and IC80 values (50 and 80% inhibitory concentrations) figure prominently into the selection of clinical candidates; however, much higher therapeutic levels will be required to reduce m...
Abstract Biologics targeting multiple pathways and/or cell types simultaneously have the potential to restore normal immune homeostasis. Inhibitory checkpoint receptor agonism by antibodies benefits from higher order clustering for strong activation, which can be achieved antibody Fc binding gamma receptors (FcγRs). However, many of current agonist non discriminately bind activating FcγRs. This...
Malaria vaccine candidate Apical Membrane Antigen-1 (AMA1) induces protection, but only against parasite strains that are closely related to the vaccine. Overcoming the AMA1 diversity problem will require an understanding of the structural basis of cross-strain invasion inhibition. A vaccine containing four diverse allelic proteins 3D7, FVO, HB3 and W2mef (AMA1 Quadvax or QV) elicited polyclona...
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