نتایج جستجو برای: 1 p24
تعداد نتایج: 2753338 فیلتر نتایج به سال:
سابقه و هدف: چندین روز پس از عفونت با ویروس hiv و قبل از تغییرات سرمی در مرحله وجود rna ویروس در خون، آنتی ژن p24 در خون قابل سنجش است. مطالعات نشان می دهد در مراحل اولیه عفونت آنتی ژن p24 بسیار زودتر از آنتی بادی بر علیه ویروس ظاهر می شود. بنابراین ارزیابی آنتی ژن p24 ویروس می تواند شاخص مناسبی برای تشخیص عفونت در مراحل اولیه بیماری باشد. هدف از این پژوهش استفاده از روش الایزا برای تشخیص آنتی ...
BACKGROUND Cellular immune responses to HIV-1 have been examined mainly in peripheral blood mononuclear cells (PBMC). During onset of HIV replication and antigenaemia after discontinuation of highly active antiretroviral therapy (HAART), PBMC may theoretically contain HIV-specific T cells that are qualitatively and quantitatively different from specific T cells dominating in the tissues. PBMC r...
Members of the p24 family of putative cargo receptors (subdivided into p24-alpha, -beta, -gamma and -delta) are localized in the intermediate-and cis-Golgi compartments of the early secretory pathway, and are thought to play an important role in protein transport. In the present study, we wondered what effect increased biosynthetic cell activity with resulting high levels of protein transport w...
The lignocellulose degradation capacity of filamentous fungi has been widely studied because of their cellulase hypersecretion. The p24 proteins in eukaryotes serve important functions in this secretory pathway. However, little is known about the functions of the p24 proteins in filamentous fungi. In this study, four p24 proteins were identified in Penicillium oxalicum. Six p24 double-deletion ...
Multiple vaccination strategies have been devised against HIV-1 including delivery of HIV moieties in attenuated or replication defective recombinant microbial agents alone or in combination with priming agents in form of soluble proteins or naked DNA. For the priming agents to be effective, adjuvants might be essential in directing the immune response to a desired outcome. E. coli enterotoxin ...
Human lymphocyte antigen (HLA)-restricted CD8(+) cytotoxic T lymphocytes (CTL) target and kill HIV-infected cells expressing cognate viral epitopes. This response selects for escape mutations within CTL epitopes that can diminish viral replication fitness. Here, we assess the fitness impact of escape mutations emerging in seven CTL epitopes in the gp120 Env and p24 Gag coding regions of an indi...
Tuberculosis (TB) caused by Mycobacterium tuberculosis remains a major infectious disease worldwide. Moreover, latent M. tuberculosis infection is more likely to progress to active TB and eventually leads to death when HIV infection is involved. Thus, it is urgent to develop a novel TB vaccine with immunogenicity to both M. tuberculosis and HIV. In this study, four uncharacterized T cell epitop...
The Feline Immunodeficiency Virus (FIV) capsid protein p24 oligomerizes to form a closed capsid that protects the viral genome. Because of its crucial role in the virion, FIV p24 is an interesting target for the development of therapeutic strategies, although little is known about its structure and assembly. We defined and optimized a protocol to overexpress recombinant FIV capsid protein in a ...
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