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A need for NAD+ in muscle development, homeostasis, and aging
Michelle F Goody1, Clarissa A Henry2,3
1School of Biology and Ecology, University of Maine, Orono, ME, 04469, USA.
Skeletal Muscle
|March 9, 2018
Summary
Nicotinamide adenine dinucleotide (NAD+) is crucial for skeletal muscle energy and function. Higher NAD+ levels benefit muscle health, and understanding its mechanisms can lead to new health interventions.
Area of Science:
- Biochemistry
- Cellular Biology
- Physiology
Background:
- Skeletal muscle is vital for movement, metabolism, and systemic processes.
- Nicotinamide adenine dinucleotide (NAD+) is essential for energy metabolism and cellular signaling.
- NAD+ plays a critical role in skeletal muscle health, aging, and disease.
Purpose of the Study:
- To review recent research on NAD+ function in skeletal muscle development, homeostasis, disease, and regeneration.
- To highlight emerging areas such as lysosome function, calcium mobilization, and NAD+ level regulation.
Main Methods:
- Literature review of recent studies on NAD+ in skeletal muscle.
- Analysis of NAD+ signaling pathways and cellular compartment functions.
- Exploration of mechanisms controlling NAD+ fluctuations and interactions.
Main Results:
- Lower NAD+ levels are detrimental to muscle health, while higher levels are beneficial.
- NAD+ influences mitochondrial biogenesis, transcription, and extracellular matrix organization.
- Emerging research points to NAD+'s role in lysosome function and calcium mobilization.
Conclusions:
- NAD+ is a key regulator of skeletal muscle function across various cellular compartments.
- Further understanding of NAD+ mechanisms can guide targeted interventions for muscle health.
- Raising NAD+ levels holds promise for promoting human health in both normal and disease states.
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