2018
DOI: 10.1016/j.exger.2018.01.006
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Estrogen deprivation aggravates cardiometabolic dysfunction in obese-insulin resistant rats through the impairment of cardiac mitochondrial dynamics

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Cited by 14 publications
(18 citation statements)
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“…In addition, these three interventions also shared similar efficacy in leading to an improvement in cardiac mitochondrial function following decreased cardiac mitochondrial ROS production, mitochondrial membrane depolarization and mitochondrial swelling in ovariectomized prediabetic rats. These findings add weight to the outcome of our previous study which also found an imbalance in mitochondrial dynamics including increased mitochondrial fission in obese‐insulin resistant rats with oestrogen deprivation 55 . Consistent with these findings, we found that HFOV rats had a significantly increase in the pDrp1 at serine 616 which indicates mitochondrial fission.…”
Section: Discussionsupporting
confidence: 90%
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“…In addition, these three interventions also shared similar efficacy in leading to an improvement in cardiac mitochondrial function following decreased cardiac mitochondrial ROS production, mitochondrial membrane depolarization and mitochondrial swelling in ovariectomized prediabetic rats. These findings add weight to the outcome of our previous study which also found an imbalance in mitochondrial dynamics including increased mitochondrial fission in obese‐insulin resistant rats with oestrogen deprivation 55 . Consistent with these findings, we found that HFOV rats had a significantly increase in the pDrp1 at serine 616 which indicates mitochondrial fission.…”
Section: Discussionsupporting
confidence: 90%
“…Obese-insulin resistant rats with oestrogen deprivation exhibited cardiac LV dysfunction. 55 Our results found that atorvastatin, PCSK9 inhibitor and oestrogen similarly attenuated LV dysfunction.…”
Section: Discussionsupporting
confidence: 55%
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“…Thus, by 1 month after ovariectomy, estrogen deficiency leads to an imbalance of fission and fusion, causing mitochondrial fragmentation, which has been linked to nervous system disorders (Mishra and Chan, 2014). Studies have found that estrogen deficiency can damage the mitochondrial dynamics of the heart and skeletal muscle, which can be reversed by estrogen replacement therapy (Capllonch-Amer et al, 2014;Garvin et al, 2017;Minta et al, 2018). Our study extends the literature by providing evidence that mitochondrial dysregulation triggered by estrogen deficiency contributes to cognitive impairment in AD.…”
Section: Discussionsupporting
confidence: 68%
“…However, cohort studies have reported that patients taking AIs—rather than tamoxifen—are more predisposed to cardiovascular diseases, including myocardial infarction and heart failure [ 12 , 13 , 14 ]. The underlying cause has been attributed to changes in lipid metabolism in the heart in response to AI-induced reduction in circulating estrogen levels [ 15 , 16 ]. This perspective seems reasonable, as estrogens play a role in energy and metabolic homeostasis [ 17 ].…”
Section: Introductionmentioning
confidence: 99%