leptin

American  

[lep-tin] / ˈlɛp tɪn /

noun

1. a hormone that is thought to suppress appetite and speed up metabolism.

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leptin British  

/ ˈlɛptɪn /

noun

1. a protein, produced by fat cells in the body, that acts on the brain to regulate the amount of additional fat laid down in the body

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leptin Scientific  

/ lĕp′tĭn′ /

1. A peptide hormone and neurotransmitter produced by fat cells and involved in the regulation of appetite.

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Etymology

Origin of leptin

1995–2000; < Greek leptós small, thin + -in ²

Example Sentences

See Examples For:

leptin

As to the science behind this, Dr Jenkinson points to the role of leptin, a hormone produced by fat cells.

From BBC ● Jan. 4, 2026

Once we see, smell and start eating food, it takes 20-30 minutes for leptin to become active.

From Salon ● Aug. 7, 2024

At least part of this effect was mediated by changes in the levels of the key hormone leptin in blood and testes of males with induced dysbiosis.

From Science Daily ● May 1, 2024

“Your leptin levels go down, and when leptin goes down, a signal goes to the brain that you don’t have enough fat to survive.”

From Los Angeles Times ● Apr. 15, 2024

Using genetically modified mice, they have shown that the chemical messenger leptin plays a key role in this process.

From Science Daily ● Nov. 28, 2023