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Updated: Mar 12, 2026

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Nesfatin-1 promotes brown adipocyte phenotype.

Yuexin Wang¹, Ziru Li², Xinyu Zhang¹

¹Department of Physiology and Pathophysiology, Peking University Health Science Center and Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing 100191, China.

Scientific Reports

|November 9, 2016

Summary

Nesfatin-1 peptide promotes brown adipocyte differentiation and influences lipid metabolism. This process is mediated through the mTOR-dependent pathway, impacting key metabolic genes.

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Area of Science:

Metabolic Regulation
Cellular Differentiation
Endocrinology

Background:

Nesfatin-1 is an 82-amino acid gastric peptide regulating food intake and metabolism.
Its role in brown adipocyte differentiation and lipid metabolism is not well understood.

Purpose of the Study:

To investigate the effect of nesfatin-1 on brown adipocyte differentiation and lipid metabolism.
To elucidate the underlying molecular mechanisms, particularly the involvement of the mTOR pathway.

Main Methods:

Nesfatin-1 expression analysis during brown adipocyte differentiation.
Assessment of brown adipocyte differentiation markers (UCP1, ATGL).
Investigation of the mechanistic target of rapamycin (mTOR) pathway signaling (S6K, S6 phosphorylation).
Manipulation of mTOR pathway activity using leucine or TSC1 deletion.

Main Results:

Nesfatin-1 expression decreased during brown adipocyte differentiation, correlating with reduced p-S6.
Nesfatin-1 exposure enhanced brown adipocyte differentiation, increasing UCP1 and ATGL mRNA levels.
Nesfatin-1 attenuated S6K and S6 phosphorylation.
mTOR pathway activation (leucine or TSC1 deletion) suppressed brown adipocyte gene expression and blocked nesfatin-1's effects.

Conclusions:

Nesfatin-1 promotes brown adipocyte differentiation.
This promotion is likely mediated via an mTOR-dependent signaling pathway.
Nesfatin-1 influences key genes involved in brown adipocyte function and metabolism.