Inhibition of programmed necrosis limits infarct size through altered mitochondrial and immune responses in the aged female rat heart

AM Garvin, MA Jackson… - American Journal of …, 2018 - journals.physiology.org
Both advancing age and estrogen loss exacerbate acute myocardial infarction in the female
heart. However, the mechanistic underpinnings of age-related differences in cell death after …

Rapid estrogen receptor-α activation improves ischemic tolerance in aged female rats through a novel protein kinase Cε-dependent mechanism

JL Novotny, AM Simpson, NJ Tomicek… - …, 2009 - academic.oup.com
The effects of estrogen deficiency on the loss of cardioprotection with advancing age are
complex and poorly understood. A major focus of the current study was to uncover a …

[HTML][HTML] Reduction of apoptosis and preservation of mitochondrial integrity under ischemia/reperfusion injury is mediated by estrogen receptor β

C Schubert, V Raparelli, C Westphal… - Biology of sex …, 2016 - Springer
Background Estrogen improves cardiac recovery after ischemia/reperfusion (I/R) by yet
incompletely understood mechanisms. Mitochondria play a crucial role in I/R injury through …

Reversing mitochondrial defects in aged hearts: role of mitochondrial calpain activation

Q Chen, J Thompson, Y Hu… - American Journal of …, 2022 - journals.physiology.org
Aging chronically increases endoplasmic reticulum (ER) stress that contributes to
mitochondrial dysfunction. Activation of calpain 1 (CPN1) impairs mitochondrial function …

[HTML][HTML] Age and ovariectomy abolish beneficial effects of female sex on rat ventricular myocytes exposed to simulated ischemia and reperfusion

JL Ross, SE Howlett - PLoS One, 2012 - journals.plos.org
Sex differences in responses to myocardial ischemia have been described, but whether
cardiomyocyte function is influenced by sex in the setting of ischemia and reperfusion has …

Local delivery of a PKCε-activating peptide limits ischemia reperfusion injury in the aged female rat heart

TS Lancaster, SJ Jefferson… - American Journal of …, 2011 - journals.physiology.org
Reduced efficacy of cardioprotective interventions in the aged female heart, including
estrogen replacement, highlights the need for alternative therapeutics to reduce myocardial …

Apoptosis and autophagy contribute to gender difference in cardiac ischemia–reperfusion induced injury in rats

C Chen, LX Hu, T Dong, GQ Wang, LH Wang, XP Zhou… - Life sciences, 2013 - Elsevier
Aims Gender difference in cardiac ischemia–reperfusion (IR) induced injury has been
reported in animal models. However, a large-scale clinical trial found an increase in …

Estrogen deficiency decreases ischemic tolerance in the aged rat heart: roles of PKCδ, PKCε, Akt, and GSK3β

JC Hunter, JC Kostyak, JL Novotny… - American Journal …, 2007 - journals.physiology.org
The mechanisms underlying the age-dependent reversal of female cardioprotection are
poorly understood and complicated by findings that estrogen replacement is ineffective at …

[HTML][HTML] Sex-related differences of early cardiac functional and proteomic alterations in a rat model of myocardial ischemia

BA Barta, M Ruppert, KE Fröhlich… - Journal of translational …, 2021 - Springer
Background Reduced cardiovascular risk in premenopausal women has been the focus of
research in recent decades. Previous hypothesis-driven experiments have highlighted the …

Estrogen receptor β mediates increased activation of PI3K/Akt signaling and improved myocardial function in female hearts following acute ischemia

M Wang, Y Wang, B Weil… - American Journal …, 2009 - journals.physiology.org
Females have a lower incidence of heart failure and improved survival after myocardial
ischemia-reperfusion (I/R) compared with males. Although estrogen-suppressed …