syncytium formation amplifies apoptotic signals: a new view on apoptosis in hiv infection in vitro.infection of cd4+ cells with hiv in vitro causes extensive cytopathology. the mechanism that underlies this process is unclear and conflicting data exist regarding whether cytotoxicity is due to necrosis or apoptosis. it was previously reported and is shown here that the coculture of hiv glycoprotein-expressing cells with cd4+ cells results in apoptosis within several hours. this study demonstrates that apoptosis did not occur in single cells and was mediated neither by cd4 nor by coreceptor sig ...200111259189
in the wake of mutant virus of measles and immunization strategy. 200312736420
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