Possible mechanisms by which exercise upregulates NAD+ to improve mitochondrial autophagy

Possible mechanisms by which exercise upregulates NAD+ to improve mitochondrial autophagy. Exercise promotes SLC12A8 expression, which allows more NMN to enter the cell membrane from the extracellular fluid, and NMNAT2 in the cytoplasm converts NMN to NAD+. NAD+ in the cytoplasm can enter the nucleus or the mitochondria via SLC25A51. NAD+ entering the mitochondria activates the SIRT1–PGC-1α signaling pathway. Transfer of PGC-1α from the nucleus to the mitochondria activates Mfn1/2 to mediate mitochondrial fusion and improve mitochondrial autophagy
Possible mechanisms by which exercise upregulates NAD+ to improve mitochondrial autophagy

Publication

Effect of Exercise and Oral Niacinamide Mononucleotide on Improving Mitochondrial Autophagy in Alzheimer’s Disease (2023) Weijia Wu, et al. Nutrients. 2023 Jul;15(13). Figure: F4.

Gene mentions


Organism Group Word Match Source NCBI Symbol NCBI ID
Homo sapiens Primates POC POC ncbigene_synonym POMC 5443
Homo sapiens Primates POC1a POC1A ncbigene_symbol POC1A 25886
Homo sapiens Primates NMNAT2 NMNAT2 ncbigene_symbol NMNAT2 23057
Homo sapiens Primates SIRT1 SIRT1 ncbigene_symbol SIRT1 23411
Homo sapiens Primates -SLC25A51 SLC25A51 ncbigene_symbol SLC25A51 92014

Chemical mentions

Word Match MeSH Name ChEBI
NMN NMN 3-carbamoyl-1-[5-O-(hydroxyphosphinato)-beta-D-ribofuranosyl]pyridinium chebi:16171
NMN NMN 3-carbamoyl-1-[5-O-(hydroxyphosphinato)-beta-D-ribofuranosyl]pyridinium chebi:16171
NMN NMN 3-carbamoyl-1-[5-O-(hydroxyphosphinato)-beta-D-ribofuranosyl]pyridinium chebi:16171
NAD NAD adenosine 5'-{3-[1-(3-carbamoylpyridinio)-1,4-anhydro-D-ribitol-5-yl] dihydrogen diphosphate} chebi:15846
NAD NAD adenosine 5'-{3-[1-(3-carbamoylpyridinio)-1,4-anhydro-D-ribitol-5-yl] dihydrogen diphosphate} chebi:15846

Disease mentions

Word Match MeSH Name DOID