Cited by 299Fibroblast Growth Factor ResearchRegulation of Appetite and ObesityPancreatic function and diabetes

FGF21 maintains glucose homeostasis by mediating the cross talk between liver and brain during prolonged fasting

Liang, Qingning, Zhong, Ling, Zhang, Jialiang, Wang, Yu, Bornstein, Stefan R., Triggle, Chris R., Ding, Hong, Lam, Karen S.L. +1 more·2014·Diabetes

Abstract

Hepatic gluconeogenesis is a main source of blood glucose during prolonged fasting and is orchestrated by endocrine and neural pathways. Here we show that the hepatocyte-secreted hormone fibroblast growth factor 21 (FGF21) induces fasting gluconeogenesis via the brain-liver axis. Prolonged fasting induces activation of the transcription factor peroxisome proliferator-activated receptor α (PPARα) in the liver and subsequent hepatic production of FGF21, which enters into the brain to activate the hypothalamic-pituitary-adrenal (HPA) axis for release of corticosterone, thereby stimulating hepatic gluconeogenesis. Fasted FGF21 knockout (KO) mice exhibit severe hypoglycemia and defective hepatic gluconeogenesis due to impaired activation of the HPA axis and blunted release of corticosterone, a phenotype similar to that observed in PPARα KO mice. By contrast, intracerebroventricular injection of FGF21 reverses fasting hypoglycemia and impairment in hepatic gluconeogenesis by restoring corticosterone production in both FGF21 KO and PPARα KO mice, whereas all these central effects of FGF21 were abrogated by blockage of hypothalamic FGF receptor-1. FGF21 acts directly on the hypothalamic neurons to activate the mitogen-activated protein kinase extracellular signal-related kinase 1/2 (ERK1/2), thereby stimulating the expression of corticotropin-releasing hormone by activation of the transcription factor cAMP response element binding protein. Therefore, FGF21 maintains glucose homeostasis during prolonged fasting by fine tuning the interorgan cross talk between liver and brain.

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Crossref · 10.2337/db14-0541

Cites

39 of 39 references verified0 citation errors · 0 not checkable

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  • FGF21 increases glucocorticoid action and the secretion of adiponectin.

    “FGF21 was determined to increase glucocorticoid action [164] and the secretion of adiponectin [165], while follistatin was found to bind and inactivate myostatin [184] (8), further inhibiting its proinflammatory effects.”
  • KLB expression is primarily restricted to specific metabolic tissues (liver, pancreas, adipose) and lower in brain; KLB is not expressed in muscle.

    “KLB expression is primarily restricted to specific metabolic tissues (for example, the liver, pancreas and adipose tissue)5, and lower expression is observed in the brain22,48–50. Despite some reports to the contrary51,52, KLB is not expressed in muscle5,41.”

    From Metabolic messengers: FGF21 (2021) · cites this paper as [50]

  • FGF21 does not act directly on the liver to mediate effects on hepatic metabolism.

    “An important observation made during these studies was that FGF21 does not act directly on the liver to mediate these effects on hepatic metabolism.”
  • Administration of FGF21 to the PVN of the hypothalamus restored corticosterone production and reversed impaired hepatic gluconeogenesis in Fgf21 knockout mice.

    “Administration of FGF21 to the PVN of the hypothalamus restored corticosterone production and reversed the impaired hepatic gluconeogenesis observed in Fgf21 knockout mice (81).”
  • FGF21 elicits its effects on hepatic gluconeogenesis through actions in the hypothalamus that activate the HPA axis to release corticosterone.

    “A subsequent study validated these results and also revealed that FGF21 elicits its effects on hepatic gluconeogenesis through actions in the hypothalamus that activate the hypothalamic–pituitary–adrenal axis to release corticosterone (81).”

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Authors
Liang, Q., Zhong, L., Zhang, J., Wang, Y., Bornstein, S. R., Triggle, C. R., Ding, H., Lam, K. S. L., & Xu, A.
Affiliations
  • University of Hong Kong (HK)
  • Technische Universität Dresden (DE)
  • Weill Cornell Medical College in Qatar (QA)
Corresponding author
Xu, Aimin
Venue
Diabetes
Published
2014-11-13
Volume
63
Issue
12
Pages
4064-4075
ISSN
  • 0012-1797 (ISSN-L)
  • 1939-327X
OpenAlex
W2106745402
Cited by
299
References
39
Citations by year
2026: 16 · 2025: 33 · 2024: 31 · 2023: 18 · 2022: 32 · 2021: 29 · 2020: 26 · 2019: 24 · 2018: 17 · 2017: 32 · 2016: 25 · 2015: 13 · 2014: 3
FWCI
9.97
Type
journal article
Language
en
Open access
closed
Locations
  • Diabetes (publishedVersion)
  • PubMed (publishedVersion)
  • The HKU Scholars Hub (University of Hong Kong) (submittedVersion)
  • Site cant be reached (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fibroblast Growth Factor Research
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
Keywords
FGF21, glucose homeostasis, prolonged fasting, hepatic gluconeogenesis, liver-brain axis, PPARα, hypothalamic-pituitary-adrenal axis, corticosterone, FGF receptor 1, ERK signaling, CREB, corticotropin-releasing factor, hypoglycemia
MeSH terms
Animals, Brain, Fasting, Fibroblast Growth Factors, Gluconeogenesis, Glucose, Homeostasis, Hypoglycemia, Hypothalamo-Hypophyseal System, Hypothalamus, Liver, Mice, Inbred C57BL, Pituitary-Adrenal System, Cyclic AMP Response Element-Binding Protein, Mice, Knockout, MAP Kinase Signaling System, Mice, Receptor, Fibroblast Growth Factor, Type 1

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