Related Experiment Video
Updated: May 3, 2026

Assessment of the Metabolic Effects of Isocaloric 2:1 Intermittent Fasting in Mice
Published on: November 27, 2019
Fasting: molecular mechanisms and clinical applications
Valter D Longo1, Mark P Mattson2
1Longevity Institute, Davis School of Gerontology and Department of Biological Sciences, University of Southern California, Los Angeles, CA 90089-2520, USA.
Fasting triggers adaptive cellular responses that improve metabolism and reduce inflammation, potentially delaying aging and preventing diseases. This practice offers a natural approach to health with minimal side effects.
Area of Science:
- Cellular Biology
- Metabolic Health
- Aging Research
Background:
- Fasting, an ancient practice, is increasingly recognized for its beneficial cellular effects.
- Recent research highlights fasting's role in adaptive cellular responses.
- These responses include reduced oxidative damage, inflammation, optimized energy metabolism, and enhanced cellular protection.
Purpose of the Study:
- To explore the role of fasting in adaptive cellular responses.
- To investigate the potential of fasting in disease prevention and longevity.
- To understand how fasting impacts metabolic and stress resistance pathways.
Main Methods:
- Review of existing scientific literature on fasting and cellular responses.
- Analysis of studies in lower eukaryotes and rodent models.
- Examination of clinical data from human trials on fasting interventions.
Main Results:
- Chronic fasting extends longevity in lower eukaryotes by reprogramming metabolic and stress resistance pathways.
- Intermittent or periodic fasting in rodents shows protective effects against diabetes, cancers, heart disease, and neurodegeneration.
- Human studies indicate fasting helps reduce obesity, hypertension, asthma, and rheumatoid arthritis.
Conclusions:
- Fasting demonstrates significant potential in delaying aging processes.
- It offers a promising therapeutic strategy for preventing and treating various chronic diseases.
- Fasting presents a viable alternative to chronic dietary interventions with potentially fewer side effects.
Related Concept Videos
Metabolic States of the Body: Fasting and Starvation
Metabolic States of the Body: The Postabsorptive State
Initially, glycogen stored in the liver is broken down to release glucose into the bloodstream, while glycogen in the muscles is broken down to supply glucose for energy directly within the muscle cells. As glycogen stores diminish,...
Overview of Carbohydrate Metabolism
Glucose transport into cells is facilitated by a family of transport proteins called GLUT (Glucose Transporters). GLUT4 is the primary glucose transporter for insulin-stimulated glucose...
Glucose Homeostasis: Regulation of Blood Glucose
During fasting, when blood glucose levels are low, the pancreas secretes glucagon. it...
Hypoglycemia and Glucagon
Metabolic States of the Body: The Absorptive State

