نتایج جستجو برای: antigen b
تعداد نتایج: 1050198 فیلتر نتایج به سال:
Background: HIV infected persons are also at risk for Infection with other pathogens, like Hepatitis B virus (HBV) and Hepatitis C virus (HCV). One of the main steps in the planning of treatment and prevention is the study of the HIV positive population who have HBV and/or HCV infection. The objective of this study was to determine the prevalence of HIV and Hepatitis B and C dual infection in ...
This is a report about two sisters whose red cells were grouped as 0, but their father was grouped as AB and their mother was groupe as O. These two sisters were Bombay phenotype it means they were homozygous for and inactive allele (amorph) H. When H is not formed the enzymes determined by A and B genes have no substrate on which to act, so that hh persons can not make the A or B antigen if th...
IgE antibodies, administered to mice together with their specific antigen, enhance antibody and CD4(+) T cell responses to this antigen. The effect is dependent on the low affinity receptor for IgE, CD23, and the receptor must be expressed on B cells. In vitro, IgE-antigen complexes are endocytosed via CD23 on B cells, which subsequently present the antigen to CD4(+) T cells. This mechanism has...
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