We can’t show the full text here under this license. Use the link below to read it at the source.
Consequences of Exposure to Light at Night on the Pancreatic Islet Circadian Clock and Function in Rats
Effects of nighttime light exposure on the daily rhythm and function of insulin-producing cells in rats
AI simplified
Abstract
Prolonged exposure (10 weeks) to continuous light at night disrupts islet circadian clock function.
- Circadian disruption is correlated with type 2 diabetes mellitus and islet failure.
- Pancreatic islets have self-sustained circadian clocks that are crucial for β-cell health.
- Changes in the light-dark cycle can affect the timing of islet clock activity.
- Continuous light exposure impairs the amplitude, phase, and synchronization of islet clock activity.
- Diminished insulin secretion occurs with continuous light exposure due to reduced insulin pulse mass.
- These findings suggest mechanisms linking modern lifestyle factors to increased risk of islet failure in type 2 diabetes.
AI simplified
Key numbers
80%
Amplitude Decrease
Amplitude of luciferase oscillations in islets from LL rats compared to LD rats.
40%
Insulin Secretory Pulse Mass Decrease
Decrease in insulin secretory pulse mass in islets from LL rats compared to LD rats.