leptin

[ lep-tin ]

noun

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

leptin

/ 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

leptin

/ lĕp′tĭn′ /

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

Word History and Origins

Origin of leptin¹

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

Word History and Origins

Origin of leptin¹

C20: from lepto- + -in

Example Sentences

Their bodies become resistant to leptin, the hormone that fat reserves produce when an animal has a full stomach.

From Popular-Science

However, when leptin levels drop, hunger signals go through the roof, often resulting in overeating.

From The Daily Beast

One of the primary benefits of cheat days is their effect on leptin levels in the body.

From The Daily Beast

Leptin is a hormone secreted by fat cells that is key to maintaining energy balance in the body.

From The Daily Beast

In general, the obese have no shortage of leptin (given that leptin is produced by fat cells, if anything they tend to have more).

From The Daily Beast

The thinner you become, the lower your leptin levels droop, and the more food it takes to satisfy your appetite.

From The Daily Beast