YIPF6 controls sorting of FGF21 into COPII vesicles and promotes obesity

Lirui Wang, Magdalena Mazagova, Chuyue Pan, Song Yang, Katharina Brandl, Jun Liu, Shannon M. Reilly, Yanhan Wang, Zhaorui Miao, Rohit Loomba, Na Lu, Qinglong Guo, Jihua Liu, Ruth T. Yu, Michael Downes, Ronald M. Evans, David A. Brenner, Alan R. Saltiel, Bruce A Beutler, Bernd Schnabl

Research output: Contribution to journalArticle

Abstract

Fibroblast growth factor 21 (FGF21) is an endocrine hormone that regulates glucose, lipid, and energy homeostasis. While gene expression of FGF21 is regulated by the nuclear hormone receptor peroxisome proliferator-activated receptor alpha in the fasted state, little is known about the regulation of trafficking and secretion of FGF21. We show that mice with a mutation in the Yip1 domain family, member 6 gene (Klein–Zschocher [KLZ]; Yipf6KLZ/Y) on a high-fat diet (HFD) have higher plasma levels of FGF21 than mice that do not carry this mutation (controls) and hepatocytes from Yipf6KLZ/Y mice secrete more FGF21 than hepatocytes from wild-type mice. Consequently, Yipf6KLZ/Y mice are resistant to HFD-induced features of the metabolic syndrome and have increased lipolysis, energy expenditure, and thermogenesis, with an increase in core body temperature. Yipf6KLZ/Y mice with hepatocyte-specific deletion of FGF21 were no longer protected from diet-induced obesity. We show that YIPF6 binds FGF21 in the endoplasmic reticulum to limit its secretion and specifies packaging of FGF21 into coat protein complex II (COPII) vesicles during development of obesity in mice. Levels of YIPF6 protein in human liver correlate with hepatic steatosis and correlate inversely with levels of FGF21 in serum from patients with nonalcoholic fatty liver disease (NAFLD). YIPF6 is therefore a newly identified regulator of FGF21 secretion during development of obesity and could be a target for treatment of obesity and NAFLD.

Original languageEnglish (US)
Pages (from-to)15184-15193
Number of pages10
JournalProceedings of the National Academy of Sciences of the United States of America
Volume116
Issue number30
DOIs
StatePublished - Jul 23 2019

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Obesity
Hepatocytes
High Fat Diet
fibroblast growth factor 21
PPAR alpha
Mutation
Thermogenesis
Lipolysis
Liver
Capsid Proteins
Product Packaging
Cytoplasmic and Nuclear Receptors
Body Temperature
Endoplasmic Reticulum
Energy Metabolism
Homeostasis
Hormones
Diet
Lipids
Gene Expression

Keywords

  • COPII vesicles
  • FGF21
  • Obesity
  • Sorting receptor
  • YIPF6

ASJC Scopus subject areas

  • General

Cite this

YIPF6 controls sorting of FGF21 into COPII vesicles and promotes obesity. / Wang, Lirui; Mazagova, Magdalena; Pan, Chuyue; Yang, Song; Brandl, Katharina; Liu, Jun; Reilly, Shannon M.; Wang, Yanhan; Miao, Zhaorui; Loomba, Rohit; Lu, Na; Guo, Qinglong; Liu, Jihua; Yu, Ruth T.; Downes, Michael; Evans, Ronald M.; Brenner, David A.; Saltiel, Alan R.; Beutler, Bruce A; Schnabl, Bernd.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 116, No. 30, 23.07.2019, p. 15184-15193.

Research output: Contribution to journalArticle

Wang, L, Mazagova, M, Pan, C, Yang, S, Brandl, K, Liu, J, Reilly, SM, Wang, Y, Miao, Z, Loomba, R, Lu, N, Guo, Q, Liu, J, Yu, RT, Downes, M, Evans, RM, Brenner, DA, Saltiel, AR, Beutler, BA & Schnabl, B 2019, 'YIPF6 controls sorting of FGF21 into COPII vesicles and promotes obesity', Proceedings of the National Academy of Sciences of the United States of America, vol. 116, no. 30, pp. 15184-15193. https://doi.org/10.1073/pnas.1904360116
Wang, Lirui ; Mazagova, Magdalena ; Pan, Chuyue ; Yang, Song ; Brandl, Katharina ; Liu, Jun ; Reilly, Shannon M. ; Wang, Yanhan ; Miao, Zhaorui ; Loomba, Rohit ; Lu, Na ; Guo, Qinglong ; Liu, Jihua ; Yu, Ruth T. ; Downes, Michael ; Evans, Ronald M. ; Brenner, David A. ; Saltiel, Alan R. ; Beutler, Bruce A ; Schnabl, Bernd. / YIPF6 controls sorting of FGF21 into COPII vesicles and promotes obesity. In: Proceedings of the National Academy of Sciences of the United States of America. 2019 ; Vol. 116, No. 30. pp. 15184-15193.
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abstract = "Fibroblast growth factor 21 (FGF21) is an endocrine hormone that regulates glucose, lipid, and energy homeostasis. While gene expression of FGF21 is regulated by the nuclear hormone receptor peroxisome proliferator-activated receptor alpha in the fasted state, little is known about the regulation of trafficking and secretion of FGF21. We show that mice with a mutation in the Yip1 domain family, member 6 gene (Klein–Zschocher [KLZ]; Yipf6KLZ/Y) on a high-fat diet (HFD) have higher plasma levels of FGF21 than mice that do not carry this mutation (controls) and hepatocytes from Yipf6KLZ/Y mice secrete more FGF21 than hepatocytes from wild-type mice. Consequently, Yipf6KLZ/Y mice are resistant to HFD-induced features of the metabolic syndrome and have increased lipolysis, energy expenditure, and thermogenesis, with an increase in core body temperature. Yipf6KLZ/Y mice with hepatocyte-specific deletion of FGF21 were no longer protected from diet-induced obesity. We show that YIPF6 binds FGF21 in the endoplasmic reticulum to limit its secretion and specifies packaging of FGF21 into coat protein complex II (COPII) vesicles during development of obesity in mice. Levels of YIPF6 protein in human liver correlate with hepatic steatosis and correlate inversely with levels of FGF21 in serum from patients with nonalcoholic fatty liver disease (NAFLD). YIPF6 is therefore a newly identified regulator of FGF21 secretion during development of obesity and could be a target for treatment of obesity and NAFLD.",
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T1 - YIPF6 controls sorting of FGF21 into COPII vesicles and promotes obesity

AU - Wang, Lirui

AU - Mazagova, Magdalena

AU - Pan, Chuyue

AU - Yang, Song

AU - Brandl, Katharina

AU - Liu, Jun

AU - Reilly, Shannon M.

AU - Wang, Yanhan

AU - Miao, Zhaorui

AU - Loomba, Rohit

AU - Lu, Na

AU - Guo, Qinglong

AU - Liu, Jihua

AU - Yu, Ruth T.

AU - Downes, Michael

AU - Evans, Ronald M.

AU - Brenner, David A.

AU - Saltiel, Alan R.

AU - Beutler, Bruce A

AU - Schnabl, Bernd

PY - 2019/7/23

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N2 - Fibroblast growth factor 21 (FGF21) is an endocrine hormone that regulates glucose, lipid, and energy homeostasis. While gene expression of FGF21 is regulated by the nuclear hormone receptor peroxisome proliferator-activated receptor alpha in the fasted state, little is known about the regulation of trafficking and secretion of FGF21. We show that mice with a mutation in the Yip1 domain family, member 6 gene (Klein–Zschocher [KLZ]; Yipf6KLZ/Y) on a high-fat diet (HFD) have higher plasma levels of FGF21 than mice that do not carry this mutation (controls) and hepatocytes from Yipf6KLZ/Y mice secrete more FGF21 than hepatocytes from wild-type mice. Consequently, Yipf6KLZ/Y mice are resistant to HFD-induced features of the metabolic syndrome and have increased lipolysis, energy expenditure, and thermogenesis, with an increase in core body temperature. Yipf6KLZ/Y mice with hepatocyte-specific deletion of FGF21 were no longer protected from diet-induced obesity. We show that YIPF6 binds FGF21 in the endoplasmic reticulum to limit its secretion and specifies packaging of FGF21 into coat protein complex II (COPII) vesicles during development of obesity in mice. Levels of YIPF6 protein in human liver correlate with hepatic steatosis and correlate inversely with levels of FGF21 in serum from patients with nonalcoholic fatty liver disease (NAFLD). YIPF6 is therefore a newly identified regulator of FGF21 secretion during development of obesity and could be a target for treatment of obesity and NAFLD.

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