نتایج جستجو برای: surface antigens
تعداد نتایج: 717190 فیلتر نتایج به سال:
Upon the addition of antibody to measles virus, measles virus antigens expressed on the surface of infected cells can be modulated from the cell's membrane in vitro. Removal of measles virus antigens from the surface of cells occurs relatively rapidly and is accompanied by a parallel reduction in the ability of antibody and complement to lyse these cells. Modulation of surface viral antigens ca...
PfEMP1 is an antigenically variable molecule which mediates the adhesion of parasitized erythrocytes to a variety of cell types and which is believed to constitute an important target for naturally acquired protective immune responses in malaria. For 9 years we have monitored individuals living in an area of low-intensity, seasonal, and unstable malaria transmission in eastern Sudan, and we hav...
An assay based on quantitative spectrofluorometry of surface immunofluorescence was applied to the study of reactions between antibody and surface antigens of viable HSV-infected cells in suspension. Fluorescence was expressed in terms of photon counts per second. Both the direct and indirect fluorescent antibody techniques proved acceptable for assay of surface reactions, yielding values of sp...
I h e qu a n t i t ative expression of tumor-specific transplantation antigen, tumor-specific cell surface antigen, and T-antigen in polyoma virus-induced tumors was studied. A mouse polyoma virus-transformed cell line (4198) and its variant line (4198V) were both shown to possess polyoma tumor-specific transplantation antigen, but the variant line was more immunosensitive. The 4198V cells had ...
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