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https://www.readbyqxmd.com/read/29028908/negative-affect-is-associated-with-higher-risk-of-incident-cognitive-impairment-in-nondepressed-postmenopausal-women
#1
Laura E Korthauer, Joseph Goveas, Mark A Espeland, Sally A Shumaker, Katelyn R Garcia, Hilary Tindle, Elena Salmoirago-Blotcher, Kaycee M Sink, Leslie Vaughan, Stephen R Rapp, Susan M Resnick, Ira Driscoll
BACKGROUND: Positive affect (PA) and negative affect (NA) reflect subjective emotional experiences. Although related to depression and anxiety, these dimensions are distinct constructs representing affective states and patterns. Prior studies suggest that elevated depressive symptoms are associated with risk of mild cognitive impairment (MCI) and probable dementia, but whether affective states are associated with cognitive impairment is still unknown. The present study examined relationships between baseline affective states and cognitive impairment (MCI, probable dementia) in non-depressed women...
September 19, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29027807/annals-express-biochemistry-of-the-menopause
#2
John W Honour
The life of a human female is characterised from teenage years by monthly menstruation which ceases (the menopause) typically between the age of 40 and 60 years. The potential for reproduction declines and ceases as the ovaries become depleted of follicles. A transition period in mid-life, for 2 to 10 years, when menstruation is less regular is called the peri-menopause. The menopause is associated with a significant decline in plasma concentrations of sex hormones, an increase in the concentrations of the gonadotrophins and changes in other hormones such as the inhibins...
January 1, 2017: Annals of Clinical Biochemistry
https://www.readbyqxmd.com/read/29025323/cardiovascular-autonomic-responses-in-the-vcd-rat-model-of-menopause-effects-of-short-and-long-term-ovarian-failure
#3
Domitila A Huber, Darlan Bazilio, Flaviano Lorenzon, Sibele Sehnem, Lucas Pacheco, Janete A Anselmo-Franci, Fernanda B Lima
After menopause, hypertension elevates the risk of cardiac diseases, one of the major causes of women's morbidity. The gradual depletion of ovarian follicles in rats, induced by 4-vinylcyclohexene diepoxide (VCD), is a model for studying the physiology of menopause. 4-Vinylcyclohexene diepoxide treatment leads to early ovarian failure (OF) and a hormonal profile comparable to menopause in humans. We have hypothesized that OF can compromise the balance between sympathetic and parasympathetic tones of the cardiovascular system, shifting toward dominance of the former...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/29023410/long-term-osmotic-mini-pump-treatment-with-alpha-msh-improves-myocardial-function-in-zucker-diabetic-fatty-rats
#4
Miklos Szokol, Daniel Priksz, Mariann Bombicz, Balazs Varga, Arpad Kovacs, Gabor Aron Fulop, Tamas Csipo, Aniko Posa, Attila Toth, Zoltan Papp, Zoltan Szilvassy, Bela Juhasz
The present investigation evaluates the cardiovascular effects of the anorexigenic mediator alpha-melanocyte stimulating hormone (MSH), in a rat model of type 2 diabetes. Osmotic mini pumps delivering MSH or vehicle, for 6 weeks, were surgically implanted in Zucker Diabetic Fatty (ZDF) rats. Serum parameters, blood pressure, and weight gain were monitored along with oral glucose tolerance (OGTT). Echocardiography was conducted and, following sacrifice, the effects of treatment on ischemia/reperfusion cardiac injury were assessed using the isolated working heart method...
October 12, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29022264/experimental-evidences-supporting-the-benefits-of-exercise-training-in-heart-failure
#5
Marcelo H A Ichige, Marcelo G Pereira, Patrícia C Brum, Lisete C Michelini
Heart Failure (HF), a common end point for many cardiovascular diseases, is a syndrome with a very poor prognosis. Although clinical trials in HF have achieved important outcomes in reducing mortality, little is known about functional mechanisms conditioning health improvement in HF patients. In parallel with clinical studies, basic science has been providing important discoveries to understand the mechanisms underlying the pathophysiology of HF, as well as to identify potential targets for the treatment of this syndrome...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28993502/cardiovascular-effects-of-renal-distal-tubule-deletion-of-the-fgf-receptor-1-gene
#6
Xiaobin Han, Jed Ross, Ganesh Kolumam, Min Pi, Junichiro Sonoda, Gwendalyn King, L Darryl Quarles
The bone-derived hormone fibroblast growth factor-23 (FGF-23) activates complexes composed of FGF receptors (FGFRs), including FGFR1, and α-Klotho in the kidney distal tubule (DT), leading to increased sodium retention and hypertension. However, the role of FGFR1 in regulating renal processes linked to hypertension is unclear. Here, we investigated the effects of selective FGFR1 loss in the DT. Conditional knockout (cKO) of FGFR1 in the DT (FGFR1(DT-cKO) mice) resulted in left ventricular hypertrophy (LVH) and decreased kidney expression of α-Klotho in association with enhanced BP, decreased expression of angiotensin converting enzyme 2, and increased expression of the Na(+)-K(+)-2Cl(-) cotransporter...
October 9, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28992710/-male-hypogonadism-and-its-treatment
#7
Václav Hána, Mikuláš Kosák, Václav Hána
Male hypogonadism can be of various etiology and that reflects its clinical manifestation, diagnostics and treatment. Male hypogonadism leads not only to decreased fertility, but influences the cardiovascular system, mood changes, bone fragility, lipids and other metabolic functions. Diagnosis of hypogonadism can be cumbersome, as well as the choice of optimal hormonal supplementation. The aim of this article is to summarize the basics from symptoms, diagnosis and treatment of male hypogonadism.
2017: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/28991900/intra-individual-variability-and-circadian-rhythm-of-vascular-endothelial-growth-factors-in-subjects-with-normal-glucose-tolerance-and-type-2-diabetes
#8
Markolf Hanefeld, Katrin Engelmann, Dieter Appelt, Dirk Sandner, Ingo Weigmann, Xenia Ganz, Frank Pistrosch, Carsta Köhler, Antje Gasparic, Andreas L Birkenfeld
Increased levels of systemic vascular endothelial growth factors (VEGFs) in patients with diabetes are associated with increased risk of microvessel disease. On the other hand, low VEGF levels after intravitreal antibody application may be associated with acute cardiovascular complications and treatment failure. Individual levels of systemic VEGF vary in a wide range depending on analytical methods and quality of diabetes control. So far only limited information exists on intraindividual fluctuations over longer periods and circadian rhythms...
2017: PloS One
https://www.readbyqxmd.com/read/28988500/a-safety-evaluation-of-evolocumab
#9
Eli M Roth
Evolocumab is an injectable, fully human monoclonal antibody and a member of the newest class of low density lipoprotein cholesterol (LDL-C) lowering agents called proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors. The PCSK9 inhibitors are the most significant advance in lipid therapy since the introduction of the first statin 30 years ago. Areas covered: The PCSK9 monoclonal antibodies have demonstrated a consistently high LDL-C lowering efficacy with and without statins and/or other lipid lowering therapies (LLT)...
October 9, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28988211/menopausal-age-postmenopausal-hormone-therapy-and-incident-atrial-fibrillation
#10
Jorge A Wong, Kathryn M Rexrode, Roopinder K Sandhu, M Vinayaga Moorthy, David Conen, Christine M Albert
OBJECTIVE: Limited data exist on the association between menopause and atrial fibrillation (AF). We sought to examine the relationship between menopausal age, postmenopausal hormone therapy (PHT) use and incident AF. METHODS: The Women's Health Study (WHS) enrolled 39 876 female health professionals between 1992 and 1995. We prospectively examined 30 034 women in WHS using Cox proportional-hazard models. Participants were free of cardiovascular disease and AF at baseline and had not undergone hysterectomy without bilateral oophorectomy prior to menopause...
October 7, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28987899/plasma-lipoproteins-in-posttraumatic-stress-disorder-patients-compared-to-healthy-controls-and-their-associations-with-the-hpa-and-hpt-axis
#11
Giel-Jan de Vries, Roel Mocking, Johanna Assies, Aart Schene, Miranda Olff
BACKGROUND: Based on studies among primarily male veteran subjects, lipoproteins are thought to mediate the association of posttraumatic stress disorder (PTSD) with cardiovascular disease (CVD). However, recent civilian studies with female samples or samples with both sexes represented provide little evidence for this association. Gender, diet and sex-specific effects of stress hormones on lipoproteins may explain this dissociation in findings. METHOD: Cross-sectional analysis of plasma concentrations of total cholesterol (TC), low-density lipoprotein (LDL), high-density lipoprotein (HDL) and triglycerides (TG) in a male and female sample of 49 PTSD-patients due to civilian trauma and 45 healthy controls...
September 28, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28986397/potential-mechanisms-of-hypothalamic-renin-angiotensin-system-activation-by-leptin-and-doca-salt-for-the-control-of-resting-metabolism
#12
Sarah A Sapouckey, Guorui Deng, Curt D Sigmund, Justin L Grobe
The renin-angiotensin system (RAS), originally described as a circulating hormone system, is an enzymatic cascade in which the final vasoactive peptide angiotensin II (ANG) regulates cardiovascular, hydromineral, and metabolic functions. The RAS is also synthesized locally in a number of tissues including the brain, where it can act in a paracrine fashion to regulate blood pressure, thirst, fluid balance, and resting energy expenditure / resting metabolic rate (RMR). Recent studies demonstrate that ANG AT1A receptors (Agtr1a) specifically in agouti-related peptide (AgRP) neurons of the arcuate nucleus (ARC) coordinate autonomic and energy expenditure responses to various stimuli including deoxycorticosterone acetate (DOCA)-salt, high fat feeding, and leptin...
October 6, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/28983923/the-highs-and-lows-of-programmed-cardiovascular-disease-by-developmental-hypoxia-studies-in-the-chicken-embryo
#13
N Itani, C E Salinas, M Villena, K L Skeffington, C Beck, E Villamor, C E Blanco, D A Giussani
It is now established that adverse conditions during pregnancy can trigger a fetal origin of cardiovascular dysfunction and/or increase the risk of heart disease in later life. Sub-optimal environmental conditions during early life that may promote the development of cardiovascular dysfunction in the offspring include alterations in fetal oxygenation and nutrition as well as fetal exposure to stress hormones, such as glucocorticoids. There has been growing interest in identifying the partial contributions of each of these stressors to programming of cardiovascular dysfunction...
October 5, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28982486/weight-gain-in-women-at-midlife-a-concise-review-of-the-pathophysiology-and-strategies-for-management
#14
REVIEW
Ekta Kapoor, Maria L Collazo-Clavell, Stephanie S Faubion
Weight gain accompanied by an increased tendency for central fat distribution is common among women in midlife. These changes are a result of aging, decreasing estrogen levels after menopause, and other unique influences in menopausal women that interfere with the adoption of healthy lifestyle measures. Central obesity, in particular, results in several adverse metabolic consequences, including dysglycemia, dyslipidemia, hypertension, and cardiovascular disease. Given that cardiovascular disease is the leading cause of death in postmenopausal women, the importance of weight management in midlife cannot be overemphasized...
October 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28981236/-adrenal-disease-diagnosis-management-of-adrenal-incidentaloma
#15
A S Azzi, N Driessens
Adrenal glands are specialized in biosynthesis of several hormones correlated to different clinical phenotypes in case of excess or lack of production. In addition to secretion disorders, tumors, secreting or not, can take place in adrenal glands. Incidentalomas are the most common adrenal diseases in clinical practice. The challenge of the management is to determine whether the lesion is benign or malignant and secreting or not in order to direct therapeutic management towards surgical option, pharmacotherapy or clinical follow-up...
2017: Revue Médicale de Bruxelles
https://www.readbyqxmd.com/read/28977159/is-fibroblast-growth-factor-23-a-new-cardiovascular-risk-marker-in-gestational-diabetes
#16
Muhammed Kizilgul, Seyfullah Kan, Selvihan Beysel, Mahmut Apaydin, Ozgur Ozcelik, Mustafa Caliskan, Mustafa Ozbek, Seyda Ozdemir, Erman Cakal
OBJECTIVE: This study was designed to compare the serum levels of fibroblast growth factor 23 (FGF23) among patients with gestational diabetes mellitus (GDM) and healthy pregnant women, and to evaluate the association between hormonal and metabolic parameters. SUBJECTS AND METHODS: A total of 82 pregnant women were consecutively enrolled in the study. Of these, 46 were diagnosed as having GDM; the remaining 36 healthy pregnant women served as controls in a cross-sectional study design...
September 18, 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28975776/menopause-and-hormone-replacement-therapy-the-2017-recommendations-of-the-italian-menopause-society
#17
Marco Gambacciani, Nicoletta Biglia, Angelo Cagnacci, Costantino DI Carlo, Salvatore Caruso, Ettore Cicinelli, Vincenzo DE Leo, Manuela Farris, Alessandro Gambera, Secondo Guaschino, Antonio Lanzone, Anna M Paoletti, Novella Russo, Franco Vicariotto, Paola Villa, Annibale Volpe
In the last decade the risk benefits ratio of HRT has been reevaluated mainly in tens of cardiovascular risk. Present Consensus Statement is largely inspired by the Global Consensus on Menopausel Hormone Therapy in 2013 and 2016 by leading global menopause societies (The American Society for Reproductive Medicine, The Asia Pacific Menopause Federation, The Endocrine Society, The European Menopause and Andropause Society, The International Menopause Society, The International Osteoporosis Foundation and The North American Menopause Society)...
October 3, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28974500/sex-differences-in-circulating-progenitor-cells
#18
Matthew L Topel, Salim S Hayek, Yi-An Ko, Pratik B Sandesara, Ayman Samman Tahhan, Iraj Hesaroieh, Ernestine Mahar, Greg S Martin, Edmund K Waller, Arshed A Quyyumi
BACKGROUND: Lower levels of circulating progenitor cells (PCs) reflect impaired endogenous regenerative capacity and are associated with aging, vascular disease, and poor outcomes. Whether biologic sex and sex hormones influence PC numbers remains a subject of controversy. We sought to determine sex differences in circulating PCs in both healthy persons and patients with coronary artery disease, and to determine their association with sex hormone levels. METHODS AND RESULTS: In 642 participants (mean age 48 years, 69% women, 23% black) free from cardiovascular disease, we measured circulating PC counts as CD45(med+) mononuclear cells coexpressing CD34 and its subsets expressing CD133, chemokine (C-X-C motif) receptor 4, and vascular endothelial growth factor receptor 2 epitopes using flow cytometry...
October 3, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28971835/the-pump-the-exchanger-and-the-holy-spirit-origins-of-the-endogenous-ouabain-hypertension-hypothesis-and-its-40-year-evolution
#19
Mordecai P Blaustein
Two prescient 1953 publications set the stage for elucidating a novel endocrine system: Schatzmann's report that cardiotonic steroids (CTSs) are all Na(+) pump inhibitors, and Szent-Gyorgi's suggestion that there is an endogenous "missing screw" in heart failure that CTSs like digoxin may replace. In 1977 I postulated that an endogenous Na(+) pump inhibitor acts as a natriuretic hormone and simultaneously elevates blood pressure (BP) in salt-dependent hypertension. This hypothesis was based on the idea that excess renal salt retention promoted the secretion of a CTS-like hormone that inhibits renal Na(+) pumps and salt reabsorption...
September 27, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28968166/risk-of-cardiovascular-ischemic-events-after-surgical-castration-and-gonadotropin-releasing-hormone-agonist-therapy-for-prostate-cancer-a-nationwide-cohort-study
#20
Dong-Yi Chen, Lai-Chu See, Jia-Rou Liu, Cheng-Keng Chuang, See-Tong Pang, I-Chang Hsieh, Ming-Shien Wen, Tien-Hsing Chen, Yung-Chang Lin, Chuang-Chi Liaw, Cheng-Lung Hsu, John Wen-Cheng Chang, Chang-Fu Kuo, Wen-Kuan Huang
Purpose Our aim was to determine whether cardiovascular (CV) risk in patients with prostate cancer (PCa) differs between those who receive androgen-deprivation therapy by surgical castration and those who receive gonadotropin-releasing hormone agonist (GnRHa) therapy. Patients and Methods By using the Taiwan National Health Insurance Research Database, we analyzed data from 14,715 patients with PCa diagnosed from January 1, 1997, through December 31, 2011. The patients were treated with bilateral orchiectomy or GnRHa therapy...
October 2, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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