نتایج جستجو برای: blocking antibodies
تعداد نتایج: 206867 فیلتر نتایج به سال:
After the demonstration of blocking antibodies during rat experimental schistosomiasis, the existence of such factors was investigated in human schistosomiasis. The depletion, in sera from S. mansoni-infected patients, of a given isotype (IgM) either by protein A-Sepharose (PAS) absorption or by fast protein liquid chromatography (FPLC) induced a significant increase in IgG-mediated killing of ...
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Patients who had received long-term therapy with practolol and other beta-adrenergic receptor blocking drugs were examined ophthalmologically. Tear lysozyme concentration and serum autoantibodies (antinuclear antibodies, DNA-binding antibodies and intercellular cement substance antibodies) were measured. It was found that beta-adrenergic receptor blocking drugs may have a pharmacological effect...
Human flavivirus group-reactive, dengue complex-reactive, and encephalitis virus complex-reactive antibodies were detected using epitope-blocking immunoassays in which the binding of selected mouse monoclonal antibodies to flavivirus antigens was blocked by human serum. When late (greater than 6 months after illness) convalescent sera were tested, the epitope-blocking immunoassays were superior...
The presence of the antibodies against the main thyroid antigens, which include thyroid peroxidase (TPO) or microsomal antigen, thyroglobulin (Tg) as well as thyrotropin receptor or Thyroid Stimulating Hormone Receptor (TSH-R), is a hallmark and symbol of the autoimmune thyroid diseases (AITDs) as one of the most common autoimmune diseases (AD) around the world. The prevalence of the thyroid pe...
Pfs25 is a sexual stage antigen of Plasmodium falciparum that is expressed on the surface of zygote and ookinete forms of the parasite. Monoclonal antibodies directed against native Pfs25 can block completely the development of P. falciparum oocysts in the midgut of the mosquito vector. Thus, this 25-kD protein is a potential vaccine candidate for eliciting transmission-blocking immunity in inh...
Sera from 936 mammalian mesopredators (Virginia opossums, gray foxes, striped skunks, hooded skunks, raccoons, a bobcat, and a red fox) were collected during 2003 and 2004 in California, Arizona, Texas, Louisiana, Ohio, and Wyoming and screened for flavivirus-specific antibodies by an epitope-blocking enzyme-linked immunosorbent assay (blocking ELISA). Serum samples positive for antibodies agai...
Immunogenic tumors grow progressively even when heavily infiltrated by CD8(+) T cells. We investigated how to rescue CD8(+) T cell function in long-established immunogenic melanomas that contained a high percentage of endogenous PD-1(+) tumor-specific CD8(+) T cells that were dysfunctional. Treatment with αPD-L1 and αCTLA-4 blocking antibodies did not prevent tumors from progressing rapidly. We...
It has been determined previously that polymorphonuclear leukocytes, or PMNs, can facilitate melanoma cell extravasation through the endothelium under shear conditions. The interactions between melanoma cells and PMNs are mediated by the beta2-integrins expressed by PMNs and intercellular adhesion molecules (ICAM-1) expressed on melanoma cells. In this study, the kinetics of these interactions ...
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