Article
Population-Specific Circadian Drivers and MTNR1B Predict Arctic Morning Cortisol.
American journal of human biology : the official journal of the Human Biology Council - 1 Apr 2026
Gubin Denis, Kolomeichuk Sergey, Danilenko Konstantin, Stefani Oliver, Markov Alexander, Petrov Ivan, Voronin Kirill, Mezhakova Marina, Borisenkov Mikhail, Shigabaeva Aislu, Boldyreva Julia, Petrova Julianna, Alkhimova Larisa, Weinert Dietmar, Cornelissen Germaine
Abstract excerpt
OBJECTIVE: This study investigated the relationship between morning cortisol concentration and circadian timing of physical activity, light exposure and sleep in Arctic residents, and examined the role of the MTNR1B rs10830963 polymorphism on this relationship. METHODS: Circadian parameters were derived from 7-day actigraphy utilizing the ActTrust 2 device with RGB light sensors. Actigraphy and cortisol were...
Topics
- Humans
- Circadian Rhythm
- Hydrocortisone
- Male
- Female
- Arctic Regions
- Seasons
- Receptor, Melatonin, MT2
- Sleep
- Adult