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University of Pennsylvania, U.S.

Hypoxia-induced KSHV lytic replication mediated in part through cooperation of HIF-1 alpha

Published in Medicine and Law Weekly, October 13th, 2006

Kaposi's sarcoma-associated herpesvirus latency-associated nuclear antigen interacts with hypoxia-inducible factor-1 alpha to upregulate RTA expression during hypoxia.

According to a study from the United States, "Hypoxia can induce lytic replication of Kaposi's sarcoma-associated herpesvirus (KSHV) in primary effusion lymphoma (PEL) cells. However, the molecular mechanism of lytic reactivation of KSHV by hypoxia remains unclear."

"Here we show that the latency-associated nuclear antigen (LANA), which plays a crucial role in modulating viral and cellular gene expression, directly associated with a low oxygen responder, hypoxia-inducible factor-1...

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