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Circulating Levels of Hydrogen Sulfide (H 2 S) in Patients with Age-Related Diseases: A Systematic Review and Meta-Analysis
Hydrogen sulfide (H S) is an endogenous gasotransmitter that promotes multiple biological effects in many organs and tissues. An imbalanced biosynthesis of H S has been observed in animal models of age-related pathological conditions. However, the results from human studies are inconsistent. We perf...
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Published in: | Biomolecules (Basel, Switzerland) Switzerland), 2023-06, Vol.13 (7), p.1023 |
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Main Authors: | , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Hydrogen sulfide (H
S) is an endogenous gasotransmitter that promotes multiple biological effects in many organs and tissues. An imbalanced biosynthesis of H
S has been observed in animal models of age-related pathological conditions. However, the results from human studies are inconsistent. We performed a systematic review with meta-analysis of studies searched in Medline, Embase, Scopus, and CENTRAL databases. We included observational studies on patients with age-related diseases showing levels of H
S in blood, plasma, or serum. All the analyses were carried out with R software. 31 studies were included in the systematic review and 21 in the meta-analysis. The circulating levels of H
S were significantly reduced in patients with progressive, chronic, and degenerative diseases compared with healthy people (standardized mean difference, SMD: -1.25; 95% confidence interval, CI: -1.98; -0.52). When we stratified results by type of disorder, we observed a significant reduction in circulating levels of H
S in patients with vascular disease (e.g., hypertension) (SMD: -1.32; 95% CI: -2.43; -0.22) or kidney disease (SMD: -2.24; 95% CI: -4.40; -0.08) compared with the control group. These results could support the potential use of compounds targeting the "H
S system" to slow down the progression of many diseases in the elderly. |
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ISSN: | 2218-273X 2218-273X |
DOI: | 10.3390/biom13071023 |