Human immunodeficiency virus type 1 Vpr arrests the cell cycle in G2 by inhibiting the activation of p34cdc2-cyclin B

Abstract excerpt

Human immunodeficiency virus type 1 (HIV-1) vpr inhibits the replication of tumor cell lines and peripheral blood mononuclear cells. Here it is demonstrated that expression of vpr, either in the context of a provirus or from an independent genetic element, induces a discrete cell cycle arrest, with cells containing 4N DNA. Low cyclin B-associated kinase activity, as well as the status of p34cdc2 and cdc25C...

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