FGF19 and Its Role in Metabolism
Author Information
Author(s): Wu Ai-Luen, Coulter Sally, Liddle Christopher, Wong Anne, Eastham-Anderson Jeffrey, French Dorothy M., Peterson Andrew S., Sonoda Junichiro
Primary Institution: Genentech, Inc.
Hypothesis
FGF19 regulates cell proliferation and metabolism through FGFR4-dependent and independent pathways.
Conclusion
FGF19 can improve glucose and lipid metabolism without requiring FGFR4 activation.
Supporting Evidence
- FGF19 infusion improved glucose tolerance in both wild-type and Fgfr4 knockout mice.
- FGFR4 activation was essential for the induction of hepatocyte proliferation by FGF19.
- FGF19v, a variant with reduced FGFR4 activity, still improved glucose metabolism in ob/ob mice.
Takeaway
FGF19 is a protein that helps control how our body uses sugar and fat, and it can do this even without a specific receptor.
Methodology
The study used Fgfr4 deficient mice and a variant of FGF19 to assess the role of FGFR4 in mediating FGF19 activity.
Potential Biases
Potential conflicts of interest due to funding from Genentech, Inc.
Limitations
The study primarily focused on mouse models, which may not fully represent human physiology.
Participant Demographics
Mice used in the study included wild-type and Fgfr4 knockout strains.
Statistical Information
P-Value
p<0.005
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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