Background: There are contradictory effects regarding the effect of NAD+ precursor on blood pressure and inflammation. In order to obtain a better viewpoint from them, this study aimed to comprehensively investigate the effects of NAD+ precursor supplementation on blood pressure, C-reactive protein (CRP) and carotid intima-media thickness (CIMT).
Methods: PubMed/MEDLINE, Web of Science, SCOPUS and Embase databases were searched using standard keywords to identify all controlled trials investigating the effects of NAD+ precursor on blood pressure, CRP and CIMT. Pooled weighted mean difference (WMD) and 95% confidence intervals (95% CI) were achieved by random-effects model analysis for the best estimation of outcomes.
Results: Twenty-nine articles (with 8664 participants) were included in this article. Results from meta-analyses of RCTs from random-effects models indicated a significant reduction in systolic (SBP) (weighted mean difference (WMD): -2.54 mmHg, p < .001) and diastolic blood pressure (DBP) (WMD: -2.15 mmHg, p < .001), as well as in CRP (WMD: -.93 mg/L, 95% CI -1.47 to -.40, p < .001) concentrations and CIMT (WMD: -.01 mm, 95% CI -.02 to -.00, p = .005) with the NAD+ precursors supplementation compared with the control group. In addition, a greater effect of supplementation with NAD+ precursors in reducing blood pressure (BP) were observed with the highest dose (≥2 g) and duration of the intervention (>12 weeks), as well as with NA supplementation when compared to NE.
Conclusions: Overall, these findings suggest that NAD+ precursor supplementation might have a beneficial effect on cardiovascular risk factors such as BP, CRP concentration and CIMT.
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http://dx.doi.org/10.1111/eci.14078 | DOI Listing |
Nat Cardiovasc Res
January 2025
Shanghai Fifth People's Hospital and Institutes of Biomedical Sciences Zhongshan Hospital, Shanghai Medical College, Fudan University, Shanghai, China.
Thoracic and abdominal aortic aneurysm poses a substantial mortality risk in adults, yet many of its underlying factors remain unidentified. Here, we identify mitochondrial nicotinamide adenine dinucleotide (NAD)⁺ deficiency as a causal factor for the development of aortic aneurysm. Multiomics analysis of 150 surgical aortic specimens indicated impaired NAD salvage and mitochondrial transport in human thoracic aortic aneurysm, with expression of the NAD transporter SLC25A51 inversely correlating with disease severity and postoperative progression.
View Article and Find Full Text PDFCell Metab
January 2025
Leibniz Institute for Analytical Sciences, ISAS e.V., Dortmund, Germany; School of Molecular Biosciences, College of Medical Veterinary and Life Sciences, University of Glasgow, Glasgow, UK. Electronic address:
Ergothioneine (ET), a dietary thione/thiol, is receiving growing attention for its possible benefits in healthy aging and metabolic resilience. Our study investigates ET's effects on healthspan in aged animals, revealing lifespan extension and enhanced mobility in Caenorhabditis elegans, accompanied by improved stress resistance and reduced age-associated biomarkers. In aged rats, ET administration enhances exercise endurance, muscle mass, and vascularization, concomitant with higher NAD levels in muscle.
View Article and Find Full Text PDFMicrobiol Res
January 2025
College of Veterinary Medicine, Northeast Agricultural University, Harbin, China. Electronic address:
The clinical effectiveness of colistin against multidrug-resistant Gram-negative pathogen infections has been threatened by the emergence of the plasmid-mediated colistin-resistant gene mcr-1. This development underscores the urgent need for innovative therapeutic strategies that target resistance mechanisms. In this study, we demonstrated that glabridin can restore the sensitivity of colistin to mcr-1-positive Escherichia coli (E.
View Article and Find Full Text PDFFront Nutr
January 2025
Prefabricated Dish Industry Development Research Institute, Zhejiang Dong Fang Polytechnic, Wenzhou, China.
Introduction: Oxidative stress, triggered by an imbalance between reactive oxygen species (ROS) production and cellular antioxidant defense mechanisms, is implicated in various pathological conditions. Plant-derived polysaccharides have gained significant attention as potential natural antioxidants due to their biocompatibility, biodegradability, and structural versatility.
Methods: This study focuses on the purification, structural characterization, and antioxidant activities of a novel pectin polysaccharide (HFPS) isolated from the flowers of Linn.
Environ Pollut
January 2025
Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China. Electronic address:
BDE-209 has a causal relationship with adverse health outcomes. However, research on its effect on bone homeostasis is relatively lacking. This study examined the relationship between BDE-209 exposure and bone health, as well as the underlying mechanisms, using both in vitro and in vivo models.
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