Abstract:
:Regular physical activity and especially aerobic exercise are associated with reduced risk of disease and enhanced longevity, but the molecular mechanisms of these health benefits remain obscure. A comprehensive metabolomic approach was used to characterize the changes in blood levels of >200 metabolites upon vigorous exercise and identified two dozen that changed substantially. One, niacinamide, is intimately related to the metabolism of nicotinamide adenine dinucleotide (NAD(+)) and its reduced form NADH, which is in turn linked with exercise capacity as well as health status. Intensive investigation of metabolic changes with exercise could lead to pharmacological attempts to mimic the beneficial effects of exercise, an approach we term "gymnomimetics."
journal_name
Sci Transl Medjournal_title
Science translational medicineauthors
Burke MF,Dunbar RL,Rader DJdoi
10.1126/scitranslmed.3001188subject
Has Abstractpub_date
2010-07-21 00:00:00pages
41ps35issue
41eissn
1946-6234issn
1946-6242pii
2/41/41ps35journal_volume
2pub_type
杂志文章abstract::Macrophages in the healthy intestine are highly specialized and usually respond to the gut microbiota without provoking an inflammatory response. A breakdown in this tolerance leads to inflammatory bowel disease (IBD), but the mechanisms by which intestinal macrophages normally become conditioned to promote microbial ...
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