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The replication of human immunodeficiency virus type 1 (HIV-1) in nondividing host cells such as those of macrophage lineage is an important feature of AIDS pathogenesis. The pattern of HIV-1 replication is dictated, in part, by the nucleophilic property of the viral gag matrix (MA) protein, a component of the viral preintegration complex that facilitates(More)
The linear, single-stranded enterovirus RNA genome is flanked at either end with a nontranslated region (NTR). By replacing the entire 5' NTR of coxsackievirus B3 (CVB3) with that from type 1 poliovirus, a progeny virus was obtained following transfection of HeLa cells. The chimeric virus, CPV/49, replicates like the parental CVB3 strain in HeLa cells but(More)
Because in vitro cell growth of transitional cell carcinoma explants and cell lines often fail to adequately proliferate in semisolid media, we have examined the effect of agents used to make media semisolid (methyl cellulose, Bacto-agar, Sea Plaque agarose and Sea Prep 15/45 agarose) on the in vitro growth of 11 transitional cell carcinoma cell lines. The(More)
To define the histogenesis and cell origin of Kaposi sarcoma (KS), we cultured KS cells without retrovirally conditioned media from three HIV seropositive AIDS patients and then attempted to raise mouse hybrid monoclonal antibodies (Mabs) specific to these AIDS-KS cells. After both in vivo and in vitro immunization trials, all putative Mabs reacted(More)
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