Purpose Of Review: Characterize the risk of cardiovascular disease (CVD) in individuals with polycystic ovarian syndrome (PCOS). Review the pathophysiological pathways that confers CVD risk in individuals with PCOS and interventions to reduce CVD risk.
Recent Findings: PCOS is a complex syndrome characterized by hyperandrogenism, ovulatory dysfunction, and polycystic ovaries that has metabolic and cardiovascular implications. Intrinsic hormonal dysregulation and chronic low-grade inflammation play an important role in the progression of atherosclerosis in young premenopausal individuals and development of CVD independently of associated traditional risk factors. Management with metformin reduces CVD risk by reducing atherosclerosis progression. PCOS is an important CVD risk factor among individuals of reproductive age. Early detection and interventions are needed to mitigate development of CVD.
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http://dx.doi.org/10.1007/s11883-023-01168-1 | DOI Listing |
Alzheimers Dement
December 2024
Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, TN, USA.
Background: Cerebrovascular disease (CVD) is a major cause of mortality in females, while two-thirds of Alzheimer's disease (AD) patients are female. AD and CVD share many genetic risk factors, one of them being apolipoprotein E (APOE) genotype. Sex differences in APOE and AD are well-established; it is unclear if associations between APOE and CVD are sex-specific.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, TN, USA.
Background: Cerebrovascular pathology frequently co-occurs with Alzheimer's disease (AD) pathology and the combinations of these forms of pathology may underly AD dementia. Sex hormones influence many aspects of cerebrovascular systems and may contribute to cerebrovascular pathology, but many studies of aging and AD do not measure hormones. Therefore, in this study, we explored whether a polygenic score predicting sex hormone levels relates to cerebrovascular pathology in the AD brain.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
The Framingham Study, Framingham, MA, USA.
Background: Apolipoprotein (Apo) E4, a main susceptibility gene for Alzheimer's disease (AD) is associated with increased vascular dysfunction, amyloid pathology, and neurodegeneration. The effector pathways leading to increased vascular risk in ApoE4 carriers needs to be established. Platelet aggregation is a key marker of vascular dysfunction and studies need to examine whether a relationship of ApoE4 allele status and platelet biology exists METHOD: We examined cross-sectional associations of platelet aggregation with ApoE genotypes (E2 or E4 against E3, the most common) in middle-aged cognitively normal participants at the Framingham Heart Study (FHS) Gen3, New Offspring Spouse (NOS), and Omni2 Cohorts.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Institute of Human Behaviour and Allied Sciences, Delhi, Delhi, India.
Background: Cognitive Reserve(CR) a concept based on the brain plasticity, is a mechanism that delays or minimizes clinical manifestations of brain changes due to aging. Prospective epidemiologic studies non-demented individuals have shown that education, occupational duration and complexity, and greater lifetime engagement in cognitively stimulating activities are associated with a reduced risk of dementia. We study the cognitive reserve and its neuroimaging correlate.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada.
Background: Mild Behavioral Impairment (MBI) is a condition characterized by neuropsychiatric symptoms (NPS) in older adults without dementia, serving as a precursor to various forms of dementia. This study explores the association between NPS and functional connectivity (FC) within the default mode network (DMN), executive control network (ECN), and salience network (SN) across three high-risk cohorts: mild cognitive impairment (due to Alzheimer's) (MCI, n = 79), cerebrovascular disease (CVD, n = 144), and Parkinson's disease (PD, n = 132).
Method: A total of 367 participants were recruited from the Ontario Neurodegenerative Disease Research Initiative (ONDRI).
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