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Activation of the Akt/FoxO3 signaling pathway enhances oxidative stress-induced autophagy and alleviates brain damage in a rat model of ischemic stroke
Can J Physiol Pharmacol. 2022 Oct 31. doi: 10.1139/cjpp-2022-0341. Online ahead of print.ABSTRACTAutophagy has been implicated in stroke. Our previous study showed that the FoxO3 transcription factor promotes autophagy after transient cerebral ischemia/reperfusion (I/R). However, whether the Akt/FoxO3 signaling pathway plays a regulatory role in autophagy in cerebral I/R-induced oxidative stress injury is still unclear. The present study aims to investigate the effects of the Akt/FoxO3 signaling pathway on autophagy activation and neuronal injury in vitro and in vivo. By employing LY294002 or insulin to regulate the Akt/Fo...
Source: Canadian Journal of Physiology and Pharmacology - October 31, 2022 Category: Drugs & Pharmacology Authors: Aiqing Deng Limin Ma Qiuhong Ji Jiajun Xing Jianxin Qin Xueli Zhou Xin Wang Shouyan Wang Jianjun Wu Xia Chen Source Type: research

Cardiodiabetology: Newer Pharmacologic Strategies for Reducing Cardiovascular Disease Risks
Can J Physiol Pharmacol. 2022 Jun 30. doi: 10.1139/cjpp-2022-0065. Online ahead of print.ABSTRACTGlobally, nearly 500 million adults currently have diabetes, which is expected to increase to approximately 700 million by 2040. Cardiovascular diseases (CVD), including coronary heart disease, stroke, heart failure, and peripheral arterial disease, are the principal causes of death in persons with diabetes. Key to the prevention of CVD is optimization of associated risk factors. However, few persons with diabetes are at recommended targets for key CVD risk factors including LDL-cholesterol, blood pressure, HbA1c, nonsmoking st...
Source: Canadian Journal of Physiology and Pharmacology - June 30, 2022 Category: Drugs & Pharmacology Authors: Nathan D Wong Source Type: research

COVID-19 and the Cardiovascular System: Insights into Effects and Treatments
Can J Physiol Pharmacol. 2021 Sep 21. doi: 10.1139/cjpp-2021-0093. Online ahead of print.ABSTRACTCoronavirus disease 2019 (COVID-19), an acute and highly transmissible infectious disease has reached a pandemic level since March 11, 2020 and continues to challenge the healthcare system worldwide. The pathogenesis of COVID-19 is a complex process involving mechanisms that suppress the host antiviral and innate immune response, while triggering marked activation of coagulation and hyperinflammation leading to cytokine storm in severe COVID-19. This review summarizes current evidence related to COVID-19-associated cardiovascul...
Source: Canadian Journal of Physiology and Pharmacology - September 21, 2021 Category: Drugs & Pharmacology Authors: Joey-Bahige Chammas Dylan Delaney Naim Chabaytah Sarah Abdulkarim Adel Schwertani Source Type: research

Regulatory Role of Cardiomyocyte Metabolism via AMPK Activation in Modulating Atrial Structural, Contractile, and Electrical Properties Following Atrial Fibrillation.
Abstract Patients diagnosed with atrial fibrillation (AF) have been rising due to increased incidence, enhanced detection methods, and greater survival rates following diagnosis. Due to this increase, AF is now the most commonly diagnosed arrhythmia in clinical practice. AF is characterized by irregular, high-frequency contractions of atrial myocytes that lead to turbulent blood flow and the potential for thrombus formation, stroke, or heart failure. These high-frequency contractions of the atrial myocytes cause an imbalance between metabolic supply and demand. Although advances have been made in understanding the...
Source: Canadian Journal of Physiology and Pharmacology - October 13, 2020 Category: Drugs & Pharmacology Authors: Brown SM, Larsen NK, Thankam FG, Agrawal DK Tags: Can J Physiol Pharmacol Source Type: research

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