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Sex Differences in Therapies against Myocardial Ischemia-Reperfusion Injury: From Basic Science to Clinical Perspectives

期刊

CELLS
卷 12, 期 16, 页码 -

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MDPI
DOI: 10.3390/cells12162077

关键词

drugs; myocardial infarction; ischemia reperfusion injury; sex differences

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Mortality from myocardial infarction (MI) has declined due to improved treatment methods, but outcomes of MI with subsequent reperfusion therapy are generally poorer for women compared with men. Further investigation is needed to understand the sex-based differences in disease pathophysiology and treatment response, and develop sex-specific therapeutic methods against myocardial ischemia-reperfusion injury (IRI). This literature review summarizes current knowledge on sex differences in the pathophysiological mechanisms of myocardial IRI, as well as sex differences in the pharmacokinetics, pharmacodynamics, and pharmacogenetics of drugs used to limit myocardial IRI.
Mortality from myocardial infarction (MI) has declined over recent decades, which could be attributed in large part to improved treatment methods. Early reperfusion is the cornerstone of current MI treatment. However, reoxygenation via restored blood flow induces further damage to the myocardium, leading to ischemia-reperfusion injury (IRI). While experimental studies overwhelmingly demonstrate that females experience greater functional recovery from MI and decreased severity in the underlying pathophysiological mechanisms, the outcomes of MI with subsequent reperfusion therapy, which is the clinical correlate of myocardial IRI, are generally poorer for women compared with men. Distressingly, women are also reported to benefit less from current guideline-based therapies compared with men. These seemingly contradicting outcomes between experimental and clinical studies show a need for further investigation of sex-based differences in disease pathophysiology, treatment response, and a sex-specific approach in the development of novel therapeutic methods against myocardial IRI. In this literature review, we summarize the current knowledge on sex differences in the underlying pathophysiological mechanisms of myocardial IRI, including the roles of sex hormones and sex chromosomes. Furthermore, we address sex differences in pharmacokinetics, pharmacodynamics, and pharmacogenetics of current drugs prescribed to limit myocardial IRI. Lastly, we highlight ongoing clinical trials assessing novel pharmacological treatments against myocardial IRI and sex differences that may underlie the efficacy of these new therapeutic approaches.

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