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https://www.readbyqxmd.com/read/29451821/protection-from-vascular-dysfunction-in-female-rats-with-chronic-stress-and-depressive-symptoms
#1
Steven D Brooks, Stan Hileman, Paul D Chantler, Samantha Milde, Kent C Lemaster, Stephanie Frisbee, J Kevin Shoemaker, Dwayne N Jackson, Jefferson C Frisbee
The increasing prevalence and severity of clinical depression is strongly correlated with vascular disease risk, creating a comorbid condition with poor outcomes, although demonstrating a sexual disparity where females are at lower risk than males for subsequent cardiovascular events. To determine potential mechanisms responsible for this protection against stress/depression-induced vasculopathy in females, we exposed male and female ({plus minus}ovariectomy) rats to the unpredictable chronic mild stress (UCMS) model for 8 weeks and determined depressive symptom severity, vascular reactivity in aortic rings (AR) and ex vivo middle cerebral arteries (MCA), and determined the profile of major metabolites regulating vascular tone...
February 16, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29451819/protection-from-chronic-stress-and-depressive-symptom-induced-vascular-endothelial-dysfunction-in-female-rats-is-abolished-by-pre-existing-metabolic-disease
#2
Steven D Brooks, Stan Hileman, Paul D Chantler, Samantha Milde, Kent C Lemaster, Stephanie Frisbee, J Kevin Shoemaker, Dwayne N Jackson, Jefferson C Frisbee
While it is known that chronic stress and clinical depression are powerful predictors of poor cardiovascular outcomes, recent clinical evidence has identified correlations between the development of metabolic disease and that for depressive symptoms; creating a combined condition of severely elevated cardiovascular disease risk. In this companion manuscript, we determine the impact of pre-existing metabolic disease on the relationship between chronic stress//depressive symptoms and vascular function, using the obese Zucker (OZR) and the unpredictable chronic mild stress UCMS models...
February 16, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29449828/understanding-spreading-depression-from-headache-to-sudden-unexpected-death
#3
REVIEW
Olga Cozzolino, Maria Marchese, Francesco Trovato, Enrico Pracucci, Gian Michele Ratto, Maria Gabriella Buzzi, Federico Sicca, Filippo M Santorelli
Spreading depression (SD) is a neurophysiological phenomenon characterized by abrupt changes in intracellular ion gradients and sustained depolarization of neurons. It leads to loss of electrical activity, changes in the synaptic architecture, and an altered vascular response. Although SD is often described as a unique phenomenon with homogeneous characteristics, it may be strongly affected by the particular triggering event and by genetic background. Furthermore, SD may contribute differently to the pathogenesis of widely heterogeneous clinical conditions...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29439160/co-occurrence-of-depressive-symptoms-and-executive-dysfunction-after-stroke-associations-with-brain-pathology-and-prognosis
#4
Elles Douven, Pauline Aalten, Julie Staals, Syenna H J Schievink, Robert J van Oostenbrugge, Frans R J Verhey, Sebastian Köhler
OBJECTIVE: To examine, first, whether the co-occurrence of executive dysfunction (ED) and poststroke depression (PSD) shows different associations with neuroimaging markers and the course of depression and executive function, and second, whether it is associated with a different course on other cognitive domains and quality of life. METHODS: The present study included 245 stroke patients (35.9% female, mean age 67.5 years (SD=11.9). All patients completed neuropsychological and neuropsychiatric assessment 3 months poststroke, which were repeated at 6-month and 12-month follow-up...
February 8, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29424096/low-education-and-lack-of-spousal-relationship-are-associated-with-dementia-in-older-adults-with-diabetes-mellitus-in-nigeria
#5
Abdulkareem J Yusuf, Olusegun Baiyewu, Adamu G Bakari, Sani B Garko, Mohammed E-B Jibril, Aishatu M Suleiman, Haruna M Muktar, Micheal A Amedu
BACKGROUND: The relationship between dementia and type 2 diabetes mellitus (T2DM) in older adults is well established in the literature. However, there have been few studies on this relationship in older adults living in low- and middle-income countries, and most demographic projections predict that older adult population will increase substantially in these regions by 2050. METHODS: In this study, older adults with T2DM attending a tertiary health facility were examined and compared with community-dwelling older adults without T2DM...
February 8, 2018: Psychogeriatrics: the Official Journal of the Japanese Psychogeriatric Society
https://www.readbyqxmd.com/read/29420089/characterization-of-vascular-dysregulation-in-meriones-shawi-after-high-calorie-diet-feeding
#6
Badiaa Lyoussi, Khadija Cherkaoui-Tangi, Nicole Morel, Maurice Wibo
The present study was initiated to characterize vascular dysregulations (contraction and relaxation) associated with metabolic defects in Merions shawi, a rodent from the gerbillidae family, submitted to 12 weeks high-calorie diet. This diet induces a type 2 diabetes/metabolic syndrome phenotype with hypertension. In diabetic meriones, body weight increase was associated with hyperglycemia, increased insulinemia, and insulin resistance. Compared to lean meriones, diabetic meriones showed decreased aorta contraction to noradrenaline, which was normalized after NOS inhibition...
February 8, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29414801/ultramorphological-characteristics-of-podocyte-development-in-the-human-fetal-metanephros
#7
Marija Dakovic Bjelakovic, Slobodan Vlajkovic, Milica Bjelakovic
The aim of this study was to determine the developmental characteristics of podocytes in the human fetal metanephros using scanning electron microscopy, light microscopy, and transmission electron microscopy. Kidney samples of 15 human fetuses of both sexes (gestational age 10-22 weeks) were analyzed. At the S-shaped body stage, primitive podocytes were arranged in a layer of cuboidal cells beneath the vascular cleft. When observed from Bowman's space, the demarcation between adjacent podocytes was not clear, but mild depressions indicated cell boundaries...
February 7, 2018: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/29411705/-vascular-endothelial-growth-factor-vegf-as-a-potential-biomarker-in-major-depressive-disorder
#8
Monika Elemery, Szilvia Kiss, Xenia Gonda, Peter Dome, Judit Lazary
BACKGROUND: There is growing evidence that vascular endothelial growth factor (VEGF) plays a crucial role in neurodevelopment and regeneration. Several data support that intact VEGF pathway is indispensable for therapeutic effect of antidepressants, any disruption of VEGF signaling can result treatment resistance. In our study we investigated the peripherial blood VEGF level before and 4-week after antidepressant treatment in patients with major depressive episode and we compared VEGF levels between responders and non-responders...
December 2017: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/29409381/moving-towards-novel-multidisciplinary-approaches-for-improving-elderly-quality-of-life-the-emerging-role-of-telemedicine-in-sicily
#9
Giuseppa Maresca, Maria C De Cola, Santina Caliri, Rosaria De Luca, Alfredo Manuli, Ileana Scarcella, Giuseppe Silvestri, Placido Bramanti, Michele Torrisi, Rocco S Calabrò, Alessia Bramanti
Introduction Elderly care is a worldwide social and economic challenge for the public health system, and it requires the development of new management strategies. Telemedicine provides an innovative approach towards elderly care, especially for those with chronic diseases. In this study, we aimed to evaluate the potential role of a multidisciplinary telemedicine approach for improving elderly quality of life. Methods Twenty-two participants received weekly vital parameter monitoring and nutritional counselling, biweekly psychological counselling and a monthly consultation with a neurologist...
January 1, 2018: Journal of Telemedicine and Telecare
https://www.readbyqxmd.com/read/29407524/metabolic-inflammatory-vascular-comorbidity-in-psychiatric-disorders-soluble-epoxide-hydrolase-seh-as-a-possible-new-target
#10
REVIEW
W Swardfager, M Hennebelle, D Yu, B D Hammock, A J Levitt, K Hashimoto, A Y Taha
The common and severe psychiatric disorders, including major depressive disorder (MDD) and bipolar disorder (BD), are associated with inflammation, oxidative stress and changes in peripheral and brain lipid metabolism. Those pathways are implicated in the premature development of vascular and metabolic comorbidities, which account for considerable morbidity and mortality, including increased dementia risk. During endoplasmic reticulum stress, the soluble epoxide hydrolase (sEH) enzyme converts anti-inflammatory fatty acid epoxides generated by cytochrome p450 enzymes into their corresponding and generally less anti-inflammatory, or even pro-inflammatory, diols, slowing the resolution of inflammation...
February 2, 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29398907/patients-perceptions-of-conservative-treatment-for-a-small-abdominal-aortic-aneurysm
#11
Stephanie M Tomee, Winifred A Gebhardt, Jean-Paul Pm de Vries, Victoria C Hamelinck, Jaap F Hamming, Jan Hn Lindeman
Background: An abdominal aortic aneurysm (AAA) is a progressive, generally symptomless disease that could ultimately result in a fatal rupture. Current guidelines advise conservative follow-up, and preventive surgical repair once the risk of rupture outweighs the cost of repair (55 mm in men). In developed countries, the majority of patients are diagnosed with AAAs less than 55 mm, and so enter a period of conservative surveillance. An important question is how patients perceive and cope with risk of rupture, AAA diagnosis and treatment, and presented AAA information...
2018: Patient Preference and Adherence
https://www.readbyqxmd.com/read/29383333/embryonic-exposure-to-dexamethasone-affects-nonneuronal-cells-in-the-adult-paraventricular-nucleus-of-the-hypothalamus
#12
Krystle A Frahm, Robert J Handa, Stuart A Tobet
Neurons in the paraventricular nucleus of the hypothalamus (PVN) integrate peripheral signals and coordinate responses that maintain numerous homeostatic functions. An excess of glucocorticoids during fetal development results in long-lasting consequences tied to disrupted PVN development. The PVN contains a distinct neuronal population and a threefold greater vascular density than the surrounding brain regions that prepubertally is reduced in offspring exposed to excess glucocorticoids in utero. This study expands the examination of sex-specific nonneuronal PVN composition by examining astrocytes, astrocytic endfeet, and pericytes...
February 1, 2018: Journal of the Endocrine Society
https://www.readbyqxmd.com/read/29360147/carcinocythemia-first-report-in-a-cat-and-literature-review
#13
Eva Sá E Lemos, Hugo Lima de Carvalho, Rui M Gil da Costa, Nazaré Pinto da Cunha
A 6-year-old female neutered European Shorthair cat was presented with a 2-day history of lethargy and hyporexia. On physical examination, the cat was slightly depressed and had a 2.5 cm nodule in the left 3rd mammary gland. The hemogram revealed mild leukocytosis with mature neutrophilia and moderate thrombocytopenia. On blood smear evaluation, rare pleomorphic cells, possibly of epithelial origin, were observed mainly at the feathered edge. The animal died about 12 hours after presentation, and a necropsy was performed...
January 23, 2018: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/29347421/turing-like-structures-in-a-functional-model-of-cortical-spreading-depression
#14
A Yu Verisokin, D V Verveyko, D E Postnov
Cortical spreading depression (CSD) along with migraine waves and spreading depolarization events with stroke or injures are the front-line examples of extreme physiological behaviors of the brain cortex which manifest themselves via the onset and spreading of localized areas of neuronal hyperactivity followed by their depression. While much is known about the physiological pathways involved, the dynamical mechanisms of the formation and evolution of complex spatiotemporal patterns during CSD are still poorly understood, in spite of the number of modeling studies that have been already performed...
December 2017: Physical Review. E
https://www.readbyqxmd.com/read/29344340/assessment-and-management-of-sexual-dysfunction-in-the-context-of-depression
#15
REVIEW
Pratap R Chokka, Jeffrey R Hankey
Sexual dysfunction (SD) is pervasive and underreported, and its effects on quality of life are underestimated. Due in part to its bidirectional relationship with depression, SD can be difficult to diagnose; it is also a common side effect of many antidepressants, leading to treatment noncompliance. While physicians often count on patients to spontaneously report SD, treatment is optimized when the clinician instead performs a thorough assessment of sexual functioning before and during drug therapy using a standardized questionnaire such as the Arizona Sexual Experiences Scale (ASEX)...
January 2018: Therapeutic Advances in Psychopharmacology
https://www.readbyqxmd.com/read/29338817/correlation-of-stress-hyperglycemia-after-ischemic-stroke-with-early-vascular-cognitive-impairment
#16
Yi Dong Zhou, Huai Wu Yuan, Ren Jie Ji, Ben Yan Luo
Objective To investigate the influence and forecast value of stress hyperglycemia on the early vascular cognitive impairment (VCI) in stroke patients.Methods Totally 422 patients with acute non-diabetic stroke were divided into three groups according to the fasting plasma glucose level:the euglycemia group (<6.1 mmol/L),the mild stress hyperglycemia group (6.1-7.0 mmol/L),and the severe stress hyperglycemia group (≥7.0 mmol/L).Mini-mental state examination,Alzheimer's disease rating scale cognitive subscale,and clinical dementia rating scale were used to evaluate early cognition in post-stroke patients,and patients were divided into three groups accordingly:normal cognitive function group,mild VCI group,and vascular dementia group...
December 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/29332036/relationships-between-lower-olfaction-and-brain-white-matter-lesions-in-elderly-subjects-with-mild-cognitive-impairment
#17
Juliette Heinrich, Jean-Sébastien Vidal, Axelle Simon, Anne-Sophie Rigaud, Olivier Hanon, Jacques Epelbaum, Cecile Viollet, Emmanuelle Duron
BACKGROUND: Olfactory impairment is reported in mild cognitive impairment (MCI) and Alzheimer's disease (AD) and is associated with hippocampal atrophy. In elderly people, dementia with AD neuropathology and white matter lesions (WML) is common. In this context, olfactory impairment could also depend on the presence of WML. OBJECTIVE: To assess the cross-sectional relationship between olfaction and WML in elderly subjects with MCI. METHODS: Consecutive subjects, >65 years old, diagnosed as MCI after a comprehensive neuropsychological assessment in an expert memory center, with a brain MRI performed within a year and without major depressive state, were included...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29304177/occlusal-force-is-correlated-with-cognitive-function-directly-as-well-as-indirectly-via-food-intake-in-community-dwelling-older-japanese-from-the-sonic-study
#18
Kazunori Ikebe, Yasuyuki Gondo, Kei Kamide, Yukie Masui, Taturo Ishizaki, Yasumichi Arai, Hiroki Inagaki, Takeshi Nakagawa, Mai Kabayama, Hirochika Ryuno, Hitomi Okubo, Hajime Takeshita, Chisato Inomata, Yuko Kurushima, Yusuke Mihara, Kohdai Hatta, Motoyoshi Fukutake, Kaori Enoki, Taiji Ogawa, Ken-Ichi Matsuda, Ken Sugimoto, Ryosuke Oguro, Yoichi Takami, Norihisa Itoh, Yasushi Takeya, Koichi Yamamoto, Hiromi Rakugi, Shinya Murakami, Masahiro Kitamura, Yoshinobu Maeda
BACKGROUND: Growing evidence suggests that oral health may be an important factor associated with cognitive function in aged populations. However, many previous studies on this topic used insensitive oral indicators or did not include certain essential covariates. Thus, we examined the association between occlusal force and cognitive function in a large sample of older adults, controlling for dietary intake, vascular risk factors, inflammatory biomarkers, depression, and genetic factors...
2018: PloS One
https://www.readbyqxmd.com/read/29296051/effects-of-continuous-positive-airway-pressure-on-anxiety-depression-and-major-cardiac-and-cerebro-vascular-events-in-obstructive-sleep-apnea-patients-with-and-without-coronary-artery-disease
#19
Ming-Chung Lee, Yu-Chih Shen, Ji-Hung Wang, Yu-Ying Li, Tzu-Hsien Li, En-Ting Chang, Hsiu-Mei Wang
Objective: Obstructive sleep apnea (OSA) is associated with bad cardiovascular outcomes and a high prevalence of anxiety and depression. This study investigated the effects of continuous positive airway pressure (CPAP) on the severity of anxiety and depression in OSA patients with or without coronary artery disease (CAD) and on the rate of cardio- and cerebro-vascular events in those with OSA and CAD. Materials and Methods: This prospective study included patients with moderate-to-severe OSA, with or without a recent diagnosis of CAD; all were started on CPAP therapy...
October 2017: Ci Ji Yi Xue za Zhi, Tzu-chi Medical Journal
https://www.readbyqxmd.com/read/29283284/endothelial-dysfunction-occurs-independently-of-adipose-tissue-inflammation-and-insulin-resistance-in-ovariectomized-yucatan-miniature-swine
#20
Thomas J Jurrissen, T Dylan Olver, Nathan C Winn, Zachary I Grunewald, Gabriela S Lin, Jessica A Hiemstra, Jenna C Edwards, Michelle L Gastecki, Rebecca J Welly, Craig A Emter, Victoria J Vieira-Potter, Jaume Padilla
In rodents, experimentally-induced ovarian hormone deficiency increases adiposity and adipose tissue (AT) inflammation, which is thought to contribute to insulin resistance and increased cardiovascular disease risk. However, whether this occurs in a translationally-relevant large animal model remains unknown. Herein, we tested the hypothesis that ovariectomy would promote visceral and perivascular AT (PVAT) inflammation, as well as subsequent insulin resistance and peripheral vascular dysfunction in female swine...
December 28, 2017: Adipocyte
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