Endocrine FGFs and Klothos

Name: Endocrine FGFs and Klothos
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Makoto Kuro-o

2012年3月 · Springer Science & Business Media

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Fibroblast growth factors (FGFs) have been recognized primarily as autocrine/paracrine factors that regulate embryonic development and organogenesis. However, recent studies have revealed that some FGFs function as endocrine factors and regulate various metabolic processes in adulthood. Such FGFs, collectively called endocrine FGFs, are comprised of three members (FGF15/19, FGF21, and FGF23: FGF15 is the mouse ortholog of human FGF19). These endocrine FGFs share a common structural feature that enables the endocrine mode of action at the expense of the affinity to FGF receptors. To restore the affinity to FGF receptors in their target organs, the endocrine FGFs have designated the Klotho family of transmembrane proteins as obligate co-receptors. By expressing Klothos in a tissue-specific manner, this unique co-receptor system also enables the endocrine FGFs to specify their target organs among many tissues that express FGF receptors.

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作者简介

MAKOTO KURO-O is an Associate Professor in the Pathology Department at the University of Texas Southwestern Medical Center at Dallas (UT Southwestern). He also has an appointment to the Pak Center for Mineral Metabolism and the Simmons Comprehensive Cancer Center in UT Southwestern. He received his MD and PhD from the University of Tokyo, Japan. His major research interests include molecular mechanisms of aging and age-related diseases with special reference to chronic kidney disease. He is a member of the American Society of Nephrology (ASN).