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The Role of Hydrogen Sulfide on Cardiovascular Homeostasis: An Overview with Update on Immunomodulation.

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TLDR
This review focuses on the recent progress on functional and mechanistic aspects of H2S in the inflammatory and immunoregulatory processes of cardiovascular disorders, importantly myocardial ischemia, heart failure, and atherosclerosis.
Abstract
Hydrogen sulfide (H2S), the third endogenous gaseous signaling molecule alongside nitric oxide (NO) and carbon monoxide, is synthesized by multiple enzymes in cardiovascular system. Similar to other gaseous mediators, H2S has demonstrated a variety of biological activities, including anti-oxidative, anti-apoptotic, pro-angiogenic, vasodilating capacities and endothelial NO synthase modulating activity, and regulates a wide range of pathophysiological processes in cardiovascular disorders. However, the underlying mechanisms by which H2S mediates cardiovascular homeostasis are not fully understood. This review focuses on the recent progress on functional and mechanistic aspects of H2S in the inflammatory and immunoregulatory processes of cardiovascular disorders, importantly myocardial ischemia, heart failure, and atherosclerosis. Moreover, we highlight the challenges for developing H2S-based therapy to modulate the pathological processes in cardiovascular diseases. A better understanding of the immunomodulatory and biochemical functions of H2S might provide new therapeutic strategies for these cardiovascular diseases.

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Journal ArticleDOI

Non-steroidal anti-inflammatory drugs (NSAIDs) and organ damage: A current perspective.

TL;DR: The present review provides a comprehensive insight of the existing knowledge and recent developments on NSAID-induced organ damage while reiterating on the emerging instances of NSAID drug repurposing along with pharmacophore modification aimed at safer usage of NSAIDs where toxic effects are tamed without compromising the clinical benefits.
Journal ArticleDOI

Role of Endothelial Dysfunction in Cardiovascular Diseases: The Link Between Inflammation and Hydrogen Sulfide

TL;DR: Hydrogen sulfide (H2S), an entry as a gasotransmitter, exerts diverse biological effects through acting on various targeted signaling pathways and is postulated to be a new indicator for endothelial cell inflammation and its associated endothelial dysfunction.
Journal ArticleDOI

Evaluating Causality of Gut Microbiota in Obesity and Diabetes in Humans.

TL;DR: The quality of evidence supporting a causal role for the gut microbiome in the development of obesity and diabetes, in particular T2DM, in humans is discussed and means to modify gut microbiome composition in humans to help establish causality are discussed.
Journal ArticleDOI

Hydrogen sulfide: An endogenous regulator of the immune system.

TL;DR: Low, regulated amounts of H2S, when therapeutically delivered by small molecule donors, improve the function of various immune cells, and protect them against dysfunction induced by various noxious stimuli (e.g. reactive oxygen species or oxidized LDL).
Journal ArticleDOI

H2S Preconditioning-Induced PKC Activation Regulates Intracellular Calcium Handling in Rat Cardiomyocytes

TL;DR: It is demonstrated for the first time that SP activates PKCalpha, PKCepsilon, and PKCdelta in cardiomyocytes via different signaling mechanisms, which protects the heart against ischemia-reperfusion insults at least partly by ameliorating intracellular Ca(2+) handling.
References
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Journal ArticleDOI

Myocardial Reperfusion Injury

TL;DR: This review focuses on the mechanisms of the injury, on attempts to protect the heart against it, and on promising new approaches to cardioprotection during percutaneous coronary intervention.
Journal ArticleDOI

H2S as a Physiologic Vasorelaxant: Hypertension in Mice with Deletion of Cystathionine γ-Lyase

TL;DR: It is shown that H2S is physiologically generated by cystathionine γ-lyase (CSE) and that genetic deletion of this enzyme in mice markedly reduces H 2S levels in the serum, heart, aorta, and other tissues.
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