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New Research Reveals Hormone-Sensitive Lipase's Role in Fat Health

10/24/2025

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Summary

Story summary

Researchers at the University of Toulouse have found that hormone-sensitive lipase (HSL) functions in the nucleus of adipocytes, revealing a role in adipose tissue health.
Traditionally, hormone-sensitive lipase is viewed as a fat-mobilizing enzyme.
Individuals with HSL gene mutations lose fat instead of gaining it, causing lipodystrophy.
The findings challenge fat-regulation assumptions and suggest obesity and lipodystrophy may both arise from malfunctioning adipocytes, with potential therapy implications.

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Story summary

Researchers at the University of Toulouse have found that hormone-sensitive lipase (HSL) functions in the nucleus of adipocytes, revealing a role in adipose tissue health.
Traditionally, hormone-sensitive lipase is viewed as a fat-mobilizing enzyme.
Individuals with HSL gene mutations lose fat instead of gaining it, causing lipodystrophy.
The findings challenge fat-regulation assumptions and suggest obesity and lipodystrophy may both arise from malfunctioning adipocytes, with potential therapy implications.