leptin
noun
lep·tin
| \ ˈlep-tən
\
\
Definition of leptin
: a peptide hormone that is produced by fat cells and plays a role in body weight regulation by acting on the hypothalamus to suppress appetite and burn fat stored in adipose tissue
Examples of leptin in a Sentence
Recent Examples on the Web
The researchers next repeated the procedure, but in mice that had been bred to produce very little leptin. — Gretchen Reynolds, New York Times, "How Our Bones Might Help Keep Our Weight in Check," 17 Jan. 2018 Consistently logging eight hours of sleep a night can help boost low testosterone levels and have a positive impact on cortisol, leptin and insulin levels. — Christy Brissette, Washington Post, "What are ‘hormone diets’ — and can they really help you lose weight quickly?," 5 Aug. 2019 As a result, leptin gets unblocked—sometimes in as little as a week, resulting in an end to ‘insatiable hunger’ and compulsive grazing. — Stephanie Walden, USA TODAY, "Brain scientists identify a new kind of hunger that makes us overeat," 11 Jan. 2018 When the women in the study lost weight — about 12 pounds on average — changes in biomarkers for breast cancer, like estrogen, leptin and inflammatory proteins, indicated a reduction in breast cancer risk. — New York Times, "The Dangers of Belly Fat," 11 June 2018 The extra calories raise leptin production, a hormone that regulates appetite and energy. — Redbook, "23 Ridiculously Easy Ways to Increase Metabolism," 26 July 2017 While this was exciting, more research did not support leptin as a big contributor to obesity. — Bryant Stamford, The Courier-Journal, "Americans are eager to hear obesity is not our fault. New research adds to the debate," 22 Mar. 2018 Some years ago, scientists did discover one of the likely mechanisms, which involves leptin, a hormone released by fat cells. — Gretchen Reynolds, New York Times, "How Our Bones Might Help Keep Our Weight in Check," 17 Jan. 2018 So, their bodies were not relying solely on leptin to track and respond to weight changes. — Gretchen Reynolds, New York Times, "How Our Bones Might Help Keep Our Weight in Check," 17 Jan. 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'leptin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for leptin
leptin
noun
lep·tin
| \ ˈlep-tən
\
\
Medical Definition of leptin
: a peptide hormone that is produced by fat cells and plays a role in body weight regulation by acting on the hypothalamus to suppress appetite and burn fat stored in adipose tissue