Title : AMP-activated kinase restricts Rift Valley fever virus infection by inhibiting fatty acid synthesis.

Pub. Date : 2012

PMID : 22532801






4 Functional Relationships(s)
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1 We found that the energy regulator AMPK, which potently inhibits fatty acid synthesis, restricts infection of the Bunyavirus, Rift Valley Fever Virus (RVFV), an important re-emerging arthropod-borne human pathogen for which there are no effective vaccines or therapeutics. Fatty Acids protein kinase AMP-activated catalytic subunit alpha 1 Homo sapiens
2 Furthermore, we found that AMPK is activated during RVFV infection, leading to the phosphorylation and inhibition of acetyl-CoA carboxylase, the first rate-limiting enzyme in fatty acid synthesis. Fatty Acids protein kinase AMP-activated catalytic subunit alpha 1 Homo sapiens
3 This restriction could be bypassed by treatment with the fatty acid palmitate, demonstrating that AMPK restricts RVFV infection through its inhibition of fatty acid biosynthesis. Fatty Acids protein kinase AMP-activated catalytic subunit alpha 1 Homo sapiens
4 Therefore, AMPK is an important component of the cell intrinsic immune response that restricts infection through a novel mechanism involving the inhibition of fatty acid metabolism. Fatty Acids protein kinase AMP-activated catalytic subunit alpha 1 Homo sapiens