نتایج جستجو برای: 1 p24
تعداد نتایج: 2753338 فیلتر نتایج به سال:
Yeast cells lacking a functional p24 complex accumulate a subset of secretory proteins in the endoplasmic reticulum (ER) and increase the extracellular secretion of HDEL-containing ER residents such as Kar2p/BiP. We report that a loss of p24 function causes activation of the unfolded protein response (UPR) and leads to increased KAR2 expression. The HDEL receptor (Erd2p) is functional and traff...
The major internal structural protein of human T-cell lymphotropic virus type III (HTLV-III), a virus etiologically implicated in acquired immunodeficiency syndrome (AIDS), was purified to homogeneity. This 24,000-molecular-weight protein (p24) was shown to lack immunologic cross-reacting antigenic determinants shared by other known retroviruses, including HTLV-I and HTLV-II, with the exception...
Trans-membrane proteins of the p24 family are abundant, oligomeric proteins predominantly found in cis-Golgi membranes. They are not easily studied in vivo and their functions are controversial. We found that p25 can be targeted to the plasma membrane after inactivation of its canonical KKXX motif (KK to SS, p25SS), and that p25SS causes the co-transport of other p24 proteins beyond the Golgi c...
Differences in susceptibility to infection of most mononuclear phagocytes with HIV-1 are not known. We investigated the relative susceptibility of autologous freshly isolated blood monocytes (MN), MN cultured in vitro to allow differentiation (CM), and alveolar macrophages (AM) from healthy subjects to productive infection with HIV-1. Cells were infected with the macrophage tropic strain HIV-1j...
Neuro-p24 is a novel neuronal membrane protein that is specifically localized in neural processes, particularly in growing neurites. To explore the roles of Neuro-p24, we examined the immunocytochemical localization of this protein in cultured neurons during neural induction, and performed an antisense oligonucleotide transfection using two culture models, the mouse dorsal root ganglia (DRG) an...
Normal human bone marrow, cultured in vitro with interleukin 5 to promote eosinophil production and maturation, was inoculated with cell-free isolates of human immunodeficiency virus type 1 (HIV-1). CD4 expression by eosinophil precursors, determined by immunocytochemistry, was found to be greatest early in their maturation with a rapid decline after 28 d in culture. Productive HIV infection of...
Thirty patients with acute human immunodeficiency virus (HIV) type 1 infection received a combination of 3 antiretroviral drugs (n=15) or 4 antiretroviral drugs plus hydroxyurea and interleukin-2 (n=15) for 24 months, followed by 1-3 structured therapeutic interruptions (STIs). Viral control, defined as maintaining plasma viremia <5000 copies/mL without therapy, was achieved in 14 cases. Lympho...
Mouse monoclonal antibodies with varying specificities against the Gag capsid of simian and human immunodeficiency virus (SIV/HIV) were generated by immunizing mice with whole inactivated SIVagmTYO-1. Monoclonal antibody AG3.0 showed the broadest reactivity recognizing the Gag capsid protein (p24-27) and Gag precursors p38, p55, and p150 of HIV-1, HIV-2, SIVmac, and SIVagm. Using overlapping pe...
Certain immune-driven mutations in HIV-1, such as those arising in p24(Gag), decrease viral replicative capacity. However, the intersubtype differences in the replicative consequences of such mutations have not been explored. In HIV-1 subtype B, the p24(Gag) M250I mutation is a rare variant (0.6%) that is enriched among elite controllers (7.2%) (P = 0.0005) and appears to be a rare escape varia...
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