: 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
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Ghrelin, an appetite stimulant, rises when you are sleep-deprived, and leptin decreases.
—
Judy Stone, Forbes, 10 Mar. 2025
Lack of sleep is known to increase hunger hormones (like ghrelin) and decrease satiety hormones, like leptin, which can cause users to overeat, undermining how GLP-1s suppress appetite.
—Lauryn Higgins, Flow Space, 6 Mar. 2025
At the same time levels of a hormone called leptin that tells the brain when the stomach is full plummet.
—Sandee Lamotte, CNN, 23 Jan. 2025
This article covers leptin, what contributes to leptin resistance, and leptin's role in obesity.
—Kelly Burch, Verywell Health, 3 Dec. 2024
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Judy Stone, Forbes, 10 Mar. 2025
Lack of sleep is known to increase hunger hormones (like ghrelin) and decrease satiety hormones, like leptin, which can cause users to overeat, undermining how GLP-1s suppress appetite.
—Lauryn Higgins, Flow Space, 6 Mar. 2025
At the same time levels of a hormone called leptin that tells the brain when the stomach is full plummet.
—Sandee Lamotte, CNN, 23 Jan. 2025
This article covers leptin, what contributes to leptin resistance, and leptin's role in obesity.
—Kelly Burch, Verywell Health, 3 Dec. 2024
See All Example Sentences for leptin
Cite this Entry
“Leptin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leptin. Accessed 24 Mar. 2025.
Copy CitationMedical Definition
leptin
noun
lep·tin
ˈlep-tən 
: 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
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