Cited by 193Circadian rhythm and melatoninPancreatic function and diabetesDiabetes Treatment and Management

Melatonin effects on glucose metabolism: time to unlock the controversy

Open access
Garaulet, Marta, Qian, Jingyi, Florez, Jose C., Arendt, Josephine, Saxena, Richa, Scheer, Frank A.J.L.·2020·Trends in Endocrinology & Metabolism

Abstract

The past decade has witnessed a revival of interest in the hormone melatonin, partly attributable to the discovery that genetic variation in MTNR1B - the melatonin receptor gene - is a risk factor for impaired fasting glucose and type 2 diabetes (T2D). Despite intensive investigation, there is considerable confusion and seemingly conflicting data on the metabolic effects of melatonin and MTNR1B variation, and disagreement on whether melatonin is metabolically beneficial or deleterious, a crucial issue for melatonin agonist/antagonist drug development and dosing time. We provide a conceptual framework - anchored in the dimension of 'time' - to reconcile paradoxical findings in the literature. We propose that the relative timing between elevated melatonin concentrations and glycemic challenge should be considered to better understand the mechanisms and therapeutic opportunities of melatonin signaling in glycemic health and disease.

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  1. [66]Lane JM (2016) Impact of common diabetes risk variant in MTNR1B on sleep, circadian and melatonin physiology. Diabetes. PMC4878414 26868293

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Authors
Garaulet, M., Qian, J., Florez, J. C., Arendt, J., Saxena, R., & Scheer, F. A. J. L.
Affiliations
  • Brigham and Women's Hospital (US)
  • Broad Institute (US)
Corresponding author
  • Saxena, Richa
  • Scheer, Frank A.J.L.
Venue
Trends in Endocrinology & Metabolism
Publisher
Elsevier BV
Published
2020-03
Volume
31
Issue
3
Pages
192-204
ISSN
1043-2760 (ISSN-L)
OpenAlex
W2997273097
Cited by
193
References
94
Citations by year
2026: 28 · 2025: 22 · 2024: 42 · 2023: 32 · 2022: 38 · 2021: 19 · 2020: 12
FWCI
3.41
Type
journal article
Language
en
Open access
Locations
  • Trends in Endocrinology and Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • The Spanish Government of Investigation, Development and Innovation (SAF2017-84135-R)
  • NIH (R01DK105072, R01DK102696, R01DK107859, R01HL118601, R01DK099512, R01HL140574)
  • American Diabetes Association (1-17-PDF-103)
  • NIDDK (P30 DK057521, R01 DK105072, K24 DK110550)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Treatment and Management
Keywords
melatonin, glucose metabolism, MTNR1B, melatonin receptors, type 2 diabetes, impaired fasting glucose, genetic variation, melatonin receptor agonists, circadian rhythm, drug dosing
MeSH terms
Animals, Blood Glucose, Circadian Rhythm, Diabetes Mellitus, Type 2, Glucose, Humans, Insulin, Melatonin, Genetic Variation, Polymorphism, Single Nucleotide, Receptor, Melatonin, MT2, Carbohydrate Metabolism

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