نتایج جستجو برای: viral antigens
تعداد نتایج: 256276 فیلتر نتایج به سال:
Exposure to ultraviolet radiation is associated with the development of cutaneous carcinomas, and with suppression of immune responses to a variety of antigens, including those of fungal, bacterial and parasitic origin, and contact sensitizers. UV irradiation also influences viral infections. It can affect viral mutation, the photolocalization of viral exanthems, viral oncogenesis, activation o...
Localization of Viral Antigens Improves Understanding of Congenital Rubella Syndrome Pathophysiology
BACKGROUND Human infection with avian influenza H5N1 is an emerging infectious disease characterised by respiratory symptoms and a high fatality rate. Previous studies have shown that the human infection with avian influenza H5N1 could also target organs apart from the lungs. METHODS We studied post-mortem tissues of two adults (one man and one pregnant woman) infected with H5N1 influenza vir...
High viral and/or antigen load may be an important cause of the T cell hyporesponsiveness to hepatitis B virus (HBV) antigens that is often observed in patients with chronic HBV infection. Reduction of viral and antigen load by lamivudine treatment represents an ideal model for investigating this hypothesis. HLA class II restricted T cell responses and serum levels of HBV-DNA, HBsAg, and HBeAg ...
The infection of woodchucks with woodchuck hepatitis virus (WHV) provides an experimental model to study early immune responses during hepadnavirus infection that cannot be tested in patients. The T-cell response of experimentally WHV-infected woodchucks to WHsAg, rWHcAg, and WHcAg peptides was monitored by observing 5-bromo-2'-deoxyuridine and [2-3H]adenine incorporation. The first T-cell resp...
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