Cardiovascular disease, which can lead to angina and shortness of breath, remains one of the most serious threats to human health. Owing to its imperceptible symptoms, it is difficult to determine the pathogenesis and treatment methods for cardiovascular disease. Nuclear factor erythropoietin-2-related factor 2/heme oxygenase 1 (Nrf2/HO-1) is a protein found in all cells of the human body. It is activated, transferred to the nucleus, and bound to DNA by antioxidant response elements (AREs). As a regulator of the antioxidant system, it upregulates the expression of HO-1 to reduce oxidative stress. Nrf2/HO-1 also has the ability to modulate calcium levels to prevent ferroptosis, pyroptosis, autophagy, programmed cell necrosis, alkaliptosis, and clockophagy. In view of the importance of Nrf2/HO-1 in the regulation of homeostasis, this review summarizes current research on the relationship between cardiovascular disease and Nrf2/HO-1. Normal cardiovascular diseases, such as viral myocarditis and myocardial ischemia-reperfusion injury, have been treated with Nrf2/HO-1. Rheumatic heart disease, cardiac tumors, arteriosclerosis, arrhythmia, hypertensive heart disease, and myocardial infarction have also been treated during experiments. Research has demonstrated the clinical application of Nrf2/HO-1 in pediatric cardiovascular disease; further clinical trials will help elucidate the potential of the Nrf2/HO-1 signaling axis.

/pdf/the-nrf-2-ho-1-signaling-axis-a-ray-of-hope-in-2g937p5d0b.pdf

The Nrf-2/HO-1 Signaling Axis: A Ray of Hope in Cardiovascular Diseases.

One of the novel interesting topics in the study of cardiovascular disease is the role of the oxidation system, since inflammation and oxidative stress are known to lead to cardiovascular diseases, their progression and complications. During decades of research, many complex interactions between agents of oxidative stress, oxidation, and antioxidant systems have been elucidated, and numerous important pathophysiological links to na number of disorders and diseases have been established. This review article will present the most relevant knowledge linking oxidative stress to vascular dysfunction and disease. The review will focus on the role of oxidative stress in endotheleial dysfunction, atherosclerosis, and other pathogenetic processes and mechanisms that contribute to the development of ischemic heart disease.

/pdf/oxidative-stress-in-ischemic-heart-disease-28o15edzn2.pdf

Oxidative Stress in Ischemic Heart Disease.

Overexpression of HO-1 assisted PM2.5-induced apoptosis failure and autophagy-related cell necrosis

Regulation of autophagy of the heart in ischemia and reperfusion

Ischemia-reperfusion (I/R) injury is a manifestation of tissue or organ damage that is followed by ischemia and exacerbated by the return of blood flow to a previously damaged tissue or organ. The intestines are one of the most sensitive tissues and organs to I/R injury. Moreover, the adverse consequences of intestinal I/R (II/R) injury are not limited to the intestine itself and can also lead to damage of the distant tissues and organs. The mechanism of II/R is extremely complex and oxidative stress is the key link in the pathogenesis of II/R injury. This study summarizes the roles of oxidative stress and its signaling pathways involved in II/R. The signaling pathways that mitigate II/R injury include the nuclear factor erythroid-related factor 2 (Nrf2)-mediated signaling pathway, Wnt/β-catenin pathway, and phosphatidylinositol kinase 3 (PI3K)/Akt pathway; those that aggravate II/R injury include the Janus kinase/signal transducer and activator of transcription (JAK/STAT) pathway, Toll-like receptor (TLR) receptor-mediated signaling pathway, protein kinase CβII (PKCβII)/p66shc pathway, and microRNA (miRNA)/p66shc pathway; the effect of miRNA on related pathways and mitochondrial DNA translocation. The aforementioned pathways provide new ideas for further exploring the occurrence and development of II/R and more effective treatments for II/R injury.

/pdf/oxidative-stress-in-intestinal-ischemia-reperfusion-14hxiu61.pdf

Oxidative Stress in Intestinal Ischemia-Reperfusion

Background
Mitochondrial dysfunction would ultimately lead to myocardial cell apoptosis and death during ischemia-reperfusion injuries. Autophagy could ameliorate mitochondrial dysfunction by autophagosome forming, which is a catabolic process to preserve the mitochondrial’s structural and functional integrity. HO-1 induction and expression are important protective mechanisms. This study in order to investigate the role of HO-1 during mitochondrial damage and its mechanism.

/pdf/ho-1-protects-against-hypoxia-reoxygenation-induced-2fogi9mzvj.pdf

HO-1 Protects against Hypoxia/Reoxygenation-Induced Mitochondrial Dysfunction in H9c2 Cardiomyocytes.

To investigate the effects of direct peritoneal resuscitation with pyruvate-peritoneal dialysis solution (Pyr-PDS) of different concentrations combined with intravenous resuscitation on acid–base i...

Effect of peritoneal dialysis solution with different pyruvate concentrations on intestinal injury

Pyruvate Protects Against Intestinal Injury by Inhibiting the JAK/STAT Signaling Pathway in Rats With Hemorrhagic Shock

Objective To determine the effects of intraperitoneal resuscitation (PR) with different concentrations of sodium pyruvate (PY) on intestinal ischemia reperfusion injury in rats hemorrhagic shock (HS). Methods Sixty rats were randomly assigned to six groups. These included: group SHAM, intravenous resuscitation only (VR) group, and four PR groups based on resuscitation fluid: glucose-lactate-based peritoneal dialysis solution (LA), and PY-1.1%, PY-1.6%, and PY-2.2% (concentrations in grams/dL). Mean arterial pressure (MAP) was monitored continuously. Blood pH, base excess (BE), lactate, intestinal myeloperoxidase (MPO), malondialdehyde (MDA), tumor necrosis factor alpha (TNF-alpha), interleukin-6 (IL-6), activated caspase-3, and zonula occludens-1 (ZO-1) were measured; intestinal mucosal damage index (IMDI) and subcellular changes were observed; apoptotic index (AI) was calculated. Results Three hours after resuscitation, in PY groups, MPO, MDA, IMDI, AI, TNF-alpha, and IL-6 were significantly lower than VR and LA groups, while pH and BE were higher. PY groups showed less expression of activated caspase-3 but elevated ZO-1. Among PY groups, group PY-1.1% had the lowest MPO, MDA and TNF-alpha, and had less pathological damage and subcellular changes than other experimental groups. Conclusions PR using PY solution combined with VR provided protection against intestinal ischemia-reperfusion injury following HS and resuscitation. Under the same hypertonic condition, 1.1% PY solution showed significant advantages compared with 2.2% and 1.6% solutions. The underlying mechanisms may include the maintenance of hemodynamic stability, regulation of homeostasis, inhibition of oxidative stress and inflammation, and protection of intestinal epithelial tight junction barrier function.

Effect of intraperitoneal resuscitation with different concentrations of sodium pyruvate on intestinal ischemia reperfusion injury in hemorrhagic shock rat.

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HO-1 Protects against Hypoxia/Reoxygenation-Induced Mitochondrial Dysfunction in H9c2 Cardiomyocytes.

Effect of peritoneal dialysis solution with different pyruvate concentrations on intestinal injury

Pyruvate Protects Against Intestinal Injury by Inhibiting the JAK/STAT Signaling Pathway in Rats With Hemorrhagic Shock

Effect of intraperitoneal resuscitation with different concentrations of sodium pyruvate on intestinal ischemia reperfusion injury in hemorrhagic shock rat.