FAP finds FGF21 easy to digest

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Fibroblast growth factor 21 (FGF21) is an endocrine hormone that regulates carbohydrate and lipid metabolism. In humans, circulating FGF21 is inactivated by proteolytic cleavage of its C-terminus, thereby preventing signalling through a receptor complex. The mechanism for this cleavage event and the factors contributing to the post-translational regulation of FGF21 activity has previously been unknown. In a recent issue of the Biochemical Journal, Zhen et al. have identified fibroblast activation protein (FAP) as the endopeptidase responsible for this site-specific cleavage of human FGF21 (hFGF21), and propose that inhibition of FAP may be a therapeutic strategy to increase endogenous levels of active FGF21.

Original languageEnglish
JournalBiochemical Journal
Issue number9
Pages (from-to)1125-7
Number of pages3
Publication statusPublished - 1 May 2016

    Research areas

  • Journal Article

ID: 166944913