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Sexuality and cardiovascular disease

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https://www.readbyqxmd.com/read/28424375/mitochondria-a-central-target-for-sex-differences-in-pathologies
#1
REVIEW
Renée Ventura-Clapier, Maryline Moulin, Jérôme Piquereau, Christophe Lemaire, Mathias Mericskay, Vladimir Veksler, Anne Garnier
It is increasingly acknowledged that a sex and gender specificity affects the occurrence, development, and consequence of a plethora of pathologies. Mitochondria are considered as the powerhouse of the cell because they produce the majority of energy-rich phosphate bonds in the form of adenosine tri-phosphate (ATP) but they also participate in many other functions like steroid hormone synthesis, reactive oxygen species (ROS) production, ionic regulation, and cell death. Adequate cellular energy supply and survival depend on mitochondrial life cycle, a process involving mitochondrial biogenesis, dynamics, and quality control via mitophagy...
May 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28398632/prenatal-and-postnatal-assessment-in-rabbits-with-evacetrapib-a-cholesteryl-ester-transfer-protein-inhibitor
#2
William J Breslin, Kim G Hilbish, Ellen A Cannady, Tammy L Edwards
BACKGROUND: Evacetrapib, a potent and selective inhibitor of cholesteryl ester transfer protein (CETP), was under development for the treatment of cardiovascular (CV) disease. The purpose of this pre-postnatal study in rabbits was to evaluate the effects of evacetrapib on pregnancy, parturition, and lactation of the maternal animals and on the growth, viability, development, and reproductive performance of the first filial (F1) offspring. The rabbit is considered a relevant species for toxicity testing with evacetrapib as it demonstrates significant CETP expression, whereas mice and rats do not express significant levels of CETP...
April 17, 2017: Birth Defects Res
https://www.readbyqxmd.com/read/28398024/gonadotropin-releasing-hormone-analogues-for-the-prevention-of-chemotherapy-induced-premature-ovarian-failure-in-breast-cancer-patients
#3
Benedetta Conte, Lucia Del Mastro
Since the survival of patients with cancer has significantly improved, chemotherapy-related premature ovarian failure (POF) in young cancer survivors has become a major issue in oncology. POF is associated with several health-related negative consequences, including menopausal symptoms, increased risk of cardiovascular diseases, osteoporosis, sexual disfunction, and infertility1-5. According to the major international guidelines, embryo/oocyte cryopreservation are the standard procedures for fertility preservation in young cancer women6,7...
April 10, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28371025/treatment-response-to-sildenafil-in-men-with-erectile-dysfunction-relative-to-concomitant-comorbidities-and-age
#4
Irwin Goldstein, Vera Stecher, Martin Carlsson
AIM: To evaluate treatment response in men with erectile dysfunction (ED) and concomitant comorbidities. METHODS: Data were pooled from 42 placebo-controlled, flexible-dose sildenafil trials. In most trials, the sildenafil dose was 50 mg, taken ~1 hour before sexual activity but not more than once daily, with adjustment to 100 or 25 mg as needed. The overall population (N=9413) was stratified by age (<45, 46-64, ≥65 years). Treatment response was defined as a minimal clinically important difference (MCID) from baseline in the International Index of Erectile Function-Erectile Function (IIEF-EF) domain score of >2, >5 and >7 for men with mild, moderate and severe ED at baseline, respectively, or an IIEF-EF domain score ≥26 (no ED) at end-point...
March 2017: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/28341581/the-graham-jackson-memorial-lecture-issm-2016-the-man-who-knew-too-much-time-to-recognize-erectile-dysfunction-and-low-testosterone-as-independent-risk-factors-for-cardiovascular-disease
#5
REVIEW
Geoffrey Hackett
INTRODUCTION: Graham Jackson introduced the concept that erectile dysfunction (ED) is a marker for undiagnosed cardiovascular (CV) disease and future events. In the Princeton 3 guidelines, he recognized the important impact of testosterone deficiency (TD) on all-cause and CV mortality. Recent evidence suggests that testosterone therapy to target levels and for sufficient duration decreases CV events. Unfortunately, this had a modest impact on CV disease management because ED is not incorporated into current risk calculators...
March 21, 2017: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/28320892/sepiapterin-reductase-gene-disrupted-mice-suffer-from-hypertension-with-fluctuation-and-bradycardia
#6
Chiho Sumi-Ichinose, Yui Suganuma, Taiki Kano, Noriko Ihira, Hiroko Nomura, Kazuhisa Ikemoto, Tadayoshi Hata, Setsuko Katoh, Hiroshi Ichinose, Kazunao Kondo
(6R)-l-erythro-5,6,7,8-Tetrahydrobiopterin (BH4) is an essential cofactor for monoamine and nitric oxide (NO) production. Sepiapterin reductase (SPR) catalyzes the final step in BH4 biosynthesis. We analyzed the cardiovascular function of adult Spr gene-disrupted (Spr(-/-)) mice for the first time. After weaning, Spr(-/-) mice suffered from hypertension with fluctuation and bradycardia, while the monoamine contents in these mice were less than 10% of those in the wild-type mice as a result of BH4 depletion...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28304393/the-effects-of-oestrogens-and-their-receptors-on-cardiometabolic-health
#7
REVIEW
Eugenia Morselli, Roberta S Santos, Alfredo Criollo, Michael D Nelson, Biff F Palmer, Deborah J Clegg
Cardiovascular disease (CVD) is one of the leading causes of mortality in developed countries. The incidence of CVD is sexually dimorphic, and research has focused on the contribution of sex steroids to the development and progression of the cardiometabolic syndrome, which is defined as a clustering of interrelated risk factors that promote the development of atherosclerosis (which can lead to CVD) and type 2 diabetes mellitus. Data are inconclusive as to how sex steroids and their respective receptors increase or suppress the risk of developing the cardiometabolic syndrome and thus CVD...
March 17, 2017: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/28289399/auditory-and-vestibular-evoked-potentials-correlate-with-motor-and-non-motor-features-of-parkinson-s-disease
#8
Ali Soliman Shalash, Dalia Mohamed Hassan, Hanan Hani Elrassas, Mohamed Mosaad Salama, Edna Méndez-Hernández, José M Salas-Pacheco, Oscar Arias-Carrión
Degeneration of several brainstem nuclei has been long related to motor and non-motor symptoms (NMSs) of Parkinson's disease (PD). Nevertheless, due to technical issues, there are only a few studies that correlate that association. Brainstem auditory-evoked potential (BAEP) and vestibular-evoked myogenic potential (VEMP) responses represent a valuable tool for brainstem assessment. Here, we investigated the abnormalities of BAEPs, ocular VEMPs (oVEMPs), and cervical VEMPs (cVEMPs) in patients with PD and its correlation to the motor and NMSs...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28279969/sex-hormones-and-sex-chromosomes-cause-sex-differences-in-the-development-of-cardiovascular-diseases
#9
REVIEW
Arthur P Arnold, Lisa A Cassis, Mansoureh Eghbali, Karen Reue, Kathryn Sandberg
This review summarizes recent evidence concerning hormonal and sex chromosome effects in obesity, atherosclerosis, aneurysms, ischemia/reperfusion injury, and hypertension. Cardiovascular diseases occur and progress differently in the 2 sexes, because biological factors differing between the sexes have sex-specific protective and harmful effects. By comparing the 2 sexes directly, and breaking down sex into its component parts, one can discover sex-biasing protective mechanisms that might be targeted in the clinic...
March 9, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28275418/sex-differences-of-the-natriuretic-peptide-polymorphism-associated-with-angiographic-coronary-atherosclerosis
#10
Terry Y Li, M Yat Tse, Stephen C Pang, Catherine S McLellan, Will D King, Amer M Johri
BACKGROUND: Polymorphisms within natriuretic peptide (NP) genes have been associated with clinical outcomes for cardiovascular disease (CVD), but no previous study has compared the effect of these polymorphisms between men and women. This study aimed to investigate the association between single nucleotide polymorphisms (SNPs) in key genes of the NP system and coronary angiographic outcomes, with the focus on the sexual dimorphism in the effects of these SNPs. METHODS: Patients undergoing clinically indicated coronary angiography (n = 513, 328 men and 185 women) were consented and genotyped for NPPA rs5065, NPPB rs198389 and NPR2 rs10758325...
February 2017: Cardiology Research
https://www.readbyqxmd.com/read/28272943/a-systematic-review-of-cardiovascular-disease-in-sexual-minorities
#11
Billy A Caceres, Abraham Brody, Rachel E Luscombe, Jillian E Primiano, Peter Marusca, Edward M Sitts, Deborah Chyun
BACKGROUND: Mental health and HIV disparities are well documented among sexual minorities, but there is a dearth of research on other chronic conditions. Cardiovascular disease remains the leading cause of death worldwide. Although sexual minorities have high rates of several modifiable risk factors for cardiovascular disease (including stress, tobacco use, and alcohol consumption), there is a paucity of research in this area. OBJECTIVES: In this systematic review, we synthesized and critiqued the existing evidence on cardiovascular disease among sexual minority adults...
April 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28267892/the-great-opportunity-of-the-andrological-patient-cardiovascular-and-metabolic-risk-assessment-and-prevention
#12
C Foresta, A Ferlin, A Lenzi, P Montorsi
Andrologists, cardiologists and diabetologists (and general practitioners) have the great opportunity to collaborate and find shared clinical workup for the benefit of a large number of men. Several evidence established a link between erectile dysfunction (ED), cardiovascular disease (CVD), diabetes, and metabolic syndrome. Not only these conditions share many risk factors and pathophysiological mechanisms but also an emerging paradigm indicates that ED is, in fact, an independent marker of cardiovascular disease risk, CV events and CV mortality...
May 2017: Andrology
https://www.readbyqxmd.com/read/28261282/sexual-health-of-male-cardiac-patients-present-status-and-expectations-of-patients-with-coronary-heart-disease
#13
Dariusz Kałka, Łukasz Karpiński, Jana Gebala, Lesław Rusiecki, Anna Biełous-Wilk, Ewa S Krauz, Magdalena Piłot, Krzysztof Womperski, Małgorzata Rusiecka, Witold Pilecki
INTRODUCTION: Due to the pathogenetic association between erectile disorders and cardiovascular diseases, cardiologists consult many patients with erectile dysfunction (ED). The aim of the study was to evaluate sexual function in patients with coronary heart disease (CHD) and the use of sexual knowledge in cardiology practice, both current use and that expected by patients. MATERIAL AND METHODS: One thousand one hundred and thirty-six patients (average age: 60.73 ±9...
March 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28217448/erectile-dysfunction-metabolic-syndrome-and-cardiovascular-risks-facts-and-controversies
#14
REVIEW
Edward Sanchez, Alexander W Pastuszak, Mohit Khera
Erectile dysfunction (ED) is the most common male sexual dysfunction, and shares many risk factors with systemic conditions including cardiovascular disease (CVD) and the metabolic syndrome (MetS). ED is considered to be an independent risk factor for CVD and can be a harbinger of future cardiovascular events. Given this relationship, each encounter for ED should be viewed by healthcare providers as an opportunity to screen for CVD and other comorbid conditions, including the MetS, that can significantly affect a man's overall health...
February 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28207331/a-systematic-review-of-cardiovascular-disease-in-sexual-minorities
#15
Billy A Caceres, Abraham Brody, Rachel E Luscombe, Jillian E Primiano, Peter Marusca, Edward M Sitts, Deborah Chyun
BACKGROUND: Mental health and HIV disparities are well documented among sexual minorities, but there is a dearth of research on other chronic conditions. Cardiovascular disease remains the leading cause of death worldwide. Although sexual minorities have high rates of several modifiable risk factors for cardiovascular disease (including stress, tobacco use, and alcohol consumption), there is a paucity of research in this area. OBJECTIVES: In this systematic review, we synthesized and critiqued the existing evidence on cardiovascular disease among sexual minority adults...
April 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28190476/neuroprotective-properties-of-icariin-in-mptp-induced-mouse-model-of-parkinson-s-disease-involvement-of-pi3k-akt-and-mek-erk-signaling-pathways
#16
Wen-Fang Chen, Lin Wu, Zhong-Rui Du, Lei Chen, Ai-Li Xu, Xiao-Han Chen, Ji-Jun Teng, Man-Sau Wong
BACKGROUND: Epimedium sagittatum is a traditional Chinese herb normally which is used to treat the osteoporosis, cardiovascular dysfunction, and to improve neurological and sexual function in China, Korea and Japan. Icariin is the major active ingredient in Epimedium sagittatum. In the present research, we examined the neuroprotective effects of icariin on dopaminergic neurons and the possible mechanisms in a mouse model of Parkinson's disease (PD). METHODS: Ovariectomized PD mice were treated with vehicle or icariin (3 days before MPTP injections) with or without the phosphatidylinositol 3-kinase (PI3K) inhibitor LY294002 or mitogen-activated protein kinase kinase (MEK) inhibitor PD98059...
February 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28184201/long-term-high-fat-diet-treatment-an-appropriate-approach-to-study-the-sex-specificity-of-the-autonomic-and-cardiovascular-responses-to-obesity-in-mice
#17
Thiago Bruder-Nascimento, Obioma J Ekeledo, Ruchi Anderson, Huy B Le, Eric J Belin de Chantemèle
Obesity-related cardiovascular disease (CVD) involves increased sympathetic activity in men and male animals. Although women exhibit increased visceral fat, metabolic disorders, inflammation and CVD with obesity, whether body weight gain affects autonomic control of cardiovascular function in females remain unknown. Due to the lack of adequate model to mimic the human pathology, this study aimed to develop a murine model, which would allow studying the sex-specificity of the response of the autonomic nervous system to obesity and identifying the origin of potential sex-differences...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28150293/erectile-dysfunction-as-a-predictor-of-2-year-prognosis-in-acute-myocardial-infarction
#18
Svetlana Apostolovic, Dragana Stanojevic, Ruzica Jankovic-Tomasevic, Sonja Salinger-Martinovic, Tomislav Kostic, Zoran Perisic
BACKGROUND: Erectile dysfunction (ED) is a predictor or marker of coronary artery disease in patients at high risk of cardiovascular diseases. The aim of this study was to investigate the prevalence of ED in patients with acute myocardial infarction (AMI) and after 2 years of follow-up, and to determine the association between ED and the concentrations of the markers of inflammation, endothelial dysfunction and oxidative stress which were measured on the third day after hospital admission...
February 2, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28132040/erectile-dysfunction-as-a-predictor-of-cardiovascular-disease
#19
Sh Janjgava, T Doliashvili
Endothelial dysfunction precedes the clinical stage of atherosclerotic disease and is recognized as an additional risk factor when detecting symptomatic patients. Endothelial function is largely mediated by nitric oxide, and this vasodilatory mechanism is also responsible for the venous and arterial dilatation required to obtain and maintain an erection. The physiological effects and clinical aspects of sexual function have been extensively studied and reported in patients who have angina or who have experienced a myocardial infarction and in those who have undergone coronary artery bypass graft surgery or heart transplant...
December 2016: Georgian Medical News
https://www.readbyqxmd.com/read/28119050/targeted-basic-research-to-highlight-the-role-of-estrogen-and-estrogen-receptors-in-the-cardiovascular-system
#20
REVIEW
Elke Dworatzek, Shokoufeh Mahmoodzadeh
Epidemiological, clinical and animal studies revealed that sex differences exist in the manifestation and outcome of cardiovascular disease (CVD). The underlying molecular mechanisms implicated in these sex differences are not fully understood. The reasons for sex differences in CVD are definitely multifactorial, but major evidence points to the contribution of sex steroid hormone, 17β-estradiol (E2), and its receptors, estrogen receptor alpha (ERα) and estrogen receptor beta (ERβ). In this review, we summarize past and present studies that implicate E2 and ER as important determinants of sexual dimorphism in the physiology and pathophysiology of the heart...
May 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
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