نتایج جستجو برای: envelope glycoprotein
تعداد نتایج: 126016 فیلتر نتایج به سال:
The few antibodies that can potently neutralize human immunodeficiency virus type 1 (HIV-1) recognize the limited number of envelope glycoprotein epitopes exposed on infectious virions. These native envelope glycoprotein complexes comprise three gp120 subunits noncovalently and weakly associated with three gp41 moieties. The individual subunits induce neutralizing antibodies inefficiently but r...
The HIV-1 envelope glycoprotein is a trimeric complex of heterodimers composed of a surface glycoprotein, gp120, and a transmembrane component, gp41. The association of this complex with CD4 stabilizes the coreceptor-binding site of gp120 and promotes the exposure of the gp41 helical region 1 (HR1). Here, we show that a 15-amino-acid peptide mimetic of the HIV-1 coreceptor CCR5 fused to a dimer...
Antibody in the sera of 15B X 7(2) chickens was measured for reactivity to determinants of the envelope glycoprotein of endogenous and exogenous avian tumor viruses. The pattern of reactivity of animals infected with exogenous sarcoma virus served to operationally define a class of determinants present on the envelope glycoprotein of exogenous viruses and absent from that of the endogenous viru...
background and aims: herpes simplex virus type 1 (hsv1) remains a potentially serious health problem world wide. all infected people, including asymptomatic ones, are potential sources for virus transmission. virus envelope contains at least 13 glycoproteins, which glycoprotein d is the major target of immune responses. the aim of this study was development of a specific method that is a more r...
Highly metastatic sublines of the murine RAW117-P large cell lymphoma parental line have been selected sequentially in vivo for enhanced blood-borne organ colonization. We found that the subline RAW117-H10, selected 10 times for liver colonization, formed more than 200 times as many liver tumor nodules than the RAW117-P line and showed loss of cell surface RNA tumor virus Mr 70,000 envelope gly...
The role of the cytoplasmic domain of the human immunodeficiency virus type 1 (HIV-1) envelope glycoproteins in virus replication was investigated. Deletion of residues 840 to 856 at the carboxyl terminus of gp41 reduced the efficiency of virus entry during an early step in the virus life cycle between CD4 binding and formation of the DNA provirus without affecting envelope glycoprotein synthes...
Highly metastatic sublines of the murine RAW117-P large cell lymphonta parental line have been selected sequentially in viro for enhanced blood-borne organ colonization. We found that the subline RAW117H10, selected 10 times for liver colonization, formed more than 200 times as many liver tumor nodules than the RAW117-P line and showed loss of cell surface RNA tumor virus M, 70,000 envelope gly...
We have previously generated neutralization-resistant variants of Tacaribe virus in the presence of a monoclonal antibody (MAb) specific for the envelope glycoprotein. The envelope glycoprotein precursor (GPC) genes of two variant viruses were sequenced following polymerase chain reaction amplification of a specific region of the Tacaribe virus S RNA, and compared with the GPC gene of the paren...
Maternal antibodies against the envelope glycoprotein of human immunodeficiency virus type 1 (HIV-1) have previously been suggested to be important in influencing the rate of vertical transmission. In this study, serum antibody responses in mothers who did or did not transmit HIV-1 infection to their children were measured against the carboxy region of the transmembrane envelope glycoprotein gp...
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