Definition of leptin in English:

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leptin

Pronunciation: /ˈleptin/

noun

Biochemistry
A protein produced by fatty tissue and believed to regulate fat storage in the body.
Example sentences
  • Obese people are also believed to have a faulty receptor in their brains, which is meant to measure levels of leptin, a protein produced by fatty tissue.
  • Our bodies are thought to have a built-in system to measure levels of a key protein, leptin, which is produced in fatty tissue.
  • Apart from its role in regulation of fat metabolism, leptin may also regulate insulin release as part of an adipoinsular feedback.

Origin

1990s: from Greek leptos 'fine, thin' + -in1.

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