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Hyperactive adrenal

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https://www.readbyqxmd.com/read/29652832/sympathetic-nerve-hyperactivity-in-the-spleen-causal-for-nonpathogenic-driven-chronic-immune-mediated-inflammatory-diseases-imids
#1
REVIEW
Denise L Bellinger, Dianne Lorton
Immune-Mediated Inflammatory Diseases (IMIDs) is a descriptive term coined for an eclectic group of diseases or conditions that share common inflammatory pathways, and for which there is no definitive etiology. IMIDs affect the elderly most severely, with many older individuals having two or more IMIDs. These diseases include, but are not limited to, type-1 diabetes, obesity, hypertension, chronic pulmonary disease, coronary heart disease, inflammatory bowel disease, and autoimmunity, such as rheumatoid arthritis (RA), Sjőgren's syndrome, systemic lupus erythematosus, psoriasis, psoriatic arthritis, and multiple sclerosis...
April 13, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29627713/chronic-stress-hair-cortisol-and-depression-a-prospective-and-longitudinal-study-of-medical-internship
#2
Stefanie E Mayer, Nestor L Lopez-Duran, Srijan Sen, James L Abelson
BACKGROUND: Stress plays a causal role in depression onset, perhaps via alteration of hypothalamic-pituitary-adrenal (HPA) axis functioning. HPA axis hyperactivity has been reported in depression, though inconsistently, and the nature of this relationship remains unclear, partly because cortisol measurement over time has been challenging. Development of hair cortisol assessment, a method that captures cortisol over prolonged periods of time, creates new possibilities. In this study, hair cortisol was incorporated into a prospective and longitudinal study of medical internship, stress and symptoms of depression...
March 31, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29627576/magnolol-abrogates-chronic-mild-stress-induced-depressive-like-behaviors-by-inhibiting-neuroinflammation-and-oxidative-stress-in-the-prefrontal-cortex-of-mice
#3
Jie Cheng, Shuqi Dong, Litao Yi, Di Geng, Qing Liu
Magnolol, the main constituent of Magnolia officinalis, has been shown to produce antidepressant-like effect in rodents. Growing evidence shows that neuroinflammation, oxidative stress and neuroendocrine contribute to the pathogenesis of major depression. Here, the aim of this present study was to determine whether magnolol affected these systems in mice exposed to chronic mild stress (CMS). The ameliorative effect of magnolol on depressive-like symptoms was investigated through behavioral tests, including the classical sucrose preference and forced swimming tests...
April 5, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29599416/low-protein-diet-in-puberty-impairs-testosterone-output-and-energy-metabolism-in-male-rats
#4
Júlio Cezar de Oliveira, Egberto G Moura, Rosiane Aparecida Miranda, Ana Moraes, Luiz Felipe Barella, Ellen Paula Santos da Conceição, Rodrigo Mello Gomes, Tatiane Aparecida da Silva Ribeiro, Ananda Malta, Isabela Peixoto Martins, Claudinéia Conationi da Silva Franco, Patricia Lisboa, Paulo Cezar de Freitas Mathias
We examined the long-term effects of protein restriction during puberty on the function of hypothalamic-pituitary-adrenal (HPA) and hypothalamic-pituitary-gonadal (HPG) axes in male rats. Male Wistar rats were fed a low-protein diet (4%, LP) from 30 to 60 days-old. A normal-protein diet (20.5%) was reintroduced from 60 to 120 days-old. Control rats were fed a normal-protein diet throughout life (NP). Rats were euthanized at 60 or 120 days-old. Food consumption, body weight, visceral fat deposits, lipid profile, glycemia, insulinemia, corticosteronemia, adrenocorticotropic hormone (ACTH), testosteronemia and leptinemia were evaluated...
March 29, 2018: Journal of Endocrinology
https://www.readbyqxmd.com/read/29567944/insulin-regulates-adrenal-steroidogenesis-by-stabilizing-sf-1-activity
#5
Ann W Kinyua, Khanh V Doan, Dong Joo Yang, My Khanh Q Huynh, Yun-Hee Choi, Dong Min Shin, Ki Woo Kim
Development of metabolic syndrome is associated with hyperactivity of the HPA axis characterized by elevated levels of circulating adrenal hormones including cortisol and aldosterone. However, the molecular mechanism leading to the dysregulation of the HPA axis is not well elucidated. In this study, we found that insulin regulates adrenal steroidogenesis by increasing the expression and activity of steroidogenic factor 1 (SF-1) both in vitro and in vivo and this insulin effect was partly through inhibition of FoxO1...
March 22, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29561292/behavioral-effects-of-toll-like-receptor-4-antagonist-eritoran-in-an-experimental-model-of-depression-role-of-prefrontal-and-hippocampal-neurogenesis-and-%C3%AE-aminobutyric-acid-glutamate-balance
#6
Sawsan Aboul-Fotouh, Mohamed Habib, Tarek Asaad, Samar K Kassim, Mohamed H Ghanem
Depression is the disease of the modern era. The lack of response to the available antidepressants, which were developed on the basis of the monoaminergic deficit hypothesis of depression, has encouraged scientists to think about new mechanisms explaining the pathogenesis of depression. In this context, the inflammatory theory has emerged to clarify many aspects of depression that the previous theories have failed to explain. Toll-like receptor-4 (TLR-4) has a regulatory role in the brain's immune response to stress, and its activation is suggested to play a pivotal role in the pathophysiology of depression...
March 20, 2018: Behavioural Pharmacology
https://www.readbyqxmd.com/read/29515517/cushing-s-syndrome-and-hypothalamic-pituitary-adrenal-axis-hyperactivity-in-chronic-central-serous-chorioretinopathy
#7
Femke M van Haalen, Elon H C van Dijk, Olaf M Dekkers, Maurice B Bizino, Greet Dijkman, Nienke R Biermasz, Camiel J F Boon, Alberto M Pereira
Objective: Central serous chorioretinopathy (CSC), a specific form of macular degeneration, has been reported as presenting manifestation of Cushing's syndrome. Furthermore, CSC has been associated with both exogenous hypercortisolism and endogenous Cushing's syndrome. It is important to know whether CSC patients should be screened for Cushing's syndrome. Although hypothalamic-pituitary-adrenal (HPA) axis hyperactivity in CSC has been suggested, no detailed evaluation of the HPA axis has been performed in a large cohort of CSC patients...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29501948/salivary-cortisol-and-alpha-amylase-diurnal-profiles-and-stress-reactivity-in-children-with-attention-deficit-hyperactivity-disorder
#8
Eleni Angeli, Terpsichori Korpa, Elizabeth O Johnson, Filia Apostolakou, Ioannis Papassotiriou, George P Chrousos, Panagiota Pervanidou
There is growing evidence for dysregulation of the stress system in individuals with Attention Deficit Hyperactivity Disorder (ADHD). The stress system includes neuroanatomical and functional components that function in concert to maintain homeostasis and its main effectors are the hypothalamic-pituitary-adrenal (HPA) axis and the sympathetic/adrenomedullary nervous system (SNS). As stress system activity demonstrates a distinct circadian variation, we aimed to describe simultaneously, diurnal rhythms of both the HPA axis and the SNS in children with ADHD and a comparison group...
February 23, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29472241/adrenal-activity-and-metabolic-risk-during-randomized-escitalopram-or-placebo-treatment-in-pcos
#9
Dorte Glintborg, Magda Lambaa Altinok, Pernille Ravn, Kurt B Stage, Kurt Højlund, Marianne Andersen
BACKGROUND/AIMS: Polycystic ovary syndrome (PCOS) is associated with insulin resistance, adrenal hyperactivity and decreased mental health. We aimed to investigate changes in adrenal activity, metabolic status, and mental health in PCOS during treatment with escitalopram or placebo. METHODS: Forty-two overweight premenopausal women with PCOS and no clinical depression were randomized to 12-weeks SSRI (20 mg escitalopram/day, n=21) or placebo (n=21). Patients underwent clinical examination, fasting blood samples, adrenocorticotroph hormone (ACTH) test, 3 hours oral glucose tolerance test (OGTT) and filled in questionnaires regarding mental health and health related quality of life (HRQoL): WHO Well Being Index (WHO-5), Major Depression Inventory (MDI), Short Form 36 (SF-36), and PCOS questionnaire...
February 22, 2018: Endocrine Connections
https://www.readbyqxmd.com/read/29468477/ethanol-extract-of-rehmannia-glutinosa-exerts-antidepressant-like-effects-on-a-rat-chronic-unpredictable-mild-stress-model-by-involving-monoamines-and-bdnf
#10
Jun-Ming Wang, Li-Xin Pei, Yue-Yue Zhang, Yong-Xian Cheng, Chun-Ling Niu, Ying Cui, Wei-Sheng Feng, Gui-Fang Wang
The dried roots of Rehmannia glutinosa Libosch. (Scrophulariaceae) are of both medicinal and nutritional importance. Our previous study has found that the 80% ethanol extract of R. glutinosa (RGEE) produced antidepressant-like activities in mouse behavioral despair depression models. However, its mechanisms are still unclear. The present study aimed to observe the antidepressant-like mechanisms of RGEE on a rat chronic unpredictable mild stress (CUMS) model by involving monoaminergic neurotransmitters and brain-derived neurotrophic factor (BDNF)...
February 22, 2018: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29454165/pituitary-gland-shrinkage-in-bipolar-disorder-the-role-of-gender
#11
Giuseppe Delvecchio, Gian Mario Mandolini, Cinzia Perlini, Marco Barillari, Veronica Marinelli, Mirella Ruggeri, A Carlo Altamura, Marcella Bellani, Paolo Brambilla
BACKGROUND: Hyperactivity of the Hypothalamic-Pituitary-Adrenal Axis (HPAA) has been consistently reported in mood disorders. However, only few studies investigated the Pituitary gland (PG) in Bipolar Disorder (BD) and the results are so far contrasting. Therefore, the aim of this study is to explore the integrity of the PG as well as the role of gender and the impact of clinical measurements on this structure in a sample of BD patients compared to healthy controls (HC). METHODS: 34 BD patients and 41 HC underwent a 1...
February 14, 2018: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/29395488/anteroventral-bed-nuclei-of-the-stria-terminalis-neurocircuitry-towards-an-integration-of-hpa-axis-modulation-with-coping-behaviors-curt-richter-award-paper-2017
#12
REVIEW
Jason J Radley, Shane B Johnson
A network of interconnected cell groups in the limbic forebrain regulates hypothalamic-pituitary-adrenal (HPA) axis activation and behavioral responses to emotionally stressful experiences, and chronic disruption of these systems chronically is implicated in the pathogenesis of psychiatric illnesses. A significant challenge has been to unravel the circuitry and mechanisms providing for regulation of HPA activity, as these limbic forebrain regions do not provide any direct innervation of HPA effector cell groups in the paraventricular hypothalamus (PVH)...
December 24, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29390057/enhanced-hypothalamic-nmda-receptor-activity-contributes-to-hyperactivity-of-hpa-axis-in-chronic-stress-in-male-rats
#13
Jing-Jing Zhou, Yonggang Gao, Xiangjian Zhang, Therese A Kosten, De-Pei Li
Chronic stress stimulates corticotrophin-releasing hormone (CRH)-expressing neurons in the paraventricular nucleus (PVN) of the hypothalamus and leads to hypothalamus-pituitary-adrenal (HPA) axis hyperactivity, but the mechanisms underlying this action are unknown. Because chronic stress enhances N-methyl-D-aspartate receptor (NMDAR) activity in various brain regions, we hypothesized that augmented NMDAR activity contributes to the hyperactivity of PVN-CRH neurons and the HPA axis in chronic stress. We performed whole-cell patch-clamp recordings on PVN-CRH neurons expressing CRH promoter-driven enhanced green fluorescent protein in brain slices from rats exposed to chronic unpredictable mild stress (CUMS) and unstressed rats...
January 30, 2018: Endocrinology
https://www.readbyqxmd.com/read/29194183/hyperactivity-of-the-sympatho-adrenomedullary-system-without-any-modification-of-the-hypothalamic-pituitary-adrenal-axis-following-food-restriction-among-high-level-weightlifters
#14
Alexandre Durguerian, Edith Filaire, Catherine Drogou, Fabien Sauvet, Clément Bougard, Mounir Chennaoui
We examined the effects of six days of food restriction on salivary α-amylase (sAA), cortisol and dehydroepiandrostenedione (DHEA) awakening responses, psychological parameters and performance among eleven international weightlifters. Assessments were made at baseline (T1) and 6 days after a normal period of training while maintaining body weight (T2). Then, participants were assigned into two groups depending on whether they lost (Diet group) or maintained (Control group) their body weight. Anthropometric, psychological, physical and physiological assessments were also realized 6 days (T3) following the restricted dietary period for the Diet group...
November 29, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29184805/growth-perturbations-from-stimulant-medications-and-inhaled-corticosteroids
#15
REVIEW
Erin Richardson, Tasa Seibert, Naveen K Uli
Stimulant medications for the treatment of attention deficit hyperactivity disorder (ADHD) and inhaled corticosteroids (ICS) for the treatment of asthma are two classes of medications that are commonly prescribed in pediatrics. Among other adverse effects of these medications, growth attenuation has long been a focus of investigation. With stimulants, growth deficits of 1-1.4 cm/year have been observed in the short term, mainly in the first 2 years of treatment, in a dose-dependent manner. Long-term studies on stimulants have reported divergent effects on growth, with many studies showing no clinically significant height deficits by adulthood...
October 2017: Translational Pediatrics
https://www.readbyqxmd.com/read/29163009/regulatory-pathways-of-monoamine-oxidase-a-during-social-stress
#16
REVIEW
Yuki Higuchi, Tomoko Soga, Ishwar S Parhar
Social stress has a high impact on many biological systems in the brain, including serotonergic (5-HT) system-a major drug target in the current treatment for depression. Hyperactivity of hypothalamic-pituitary-adrenal (HPA) axis and monoamine oxidase A (MAO-A) are well-known stress responses, which are involved in the central 5-HT system. Although, many MAO-A inhibitors have been developed and used in the therapeutics of depression, effective management of depression by modulating the activity of MAO-A has not been achieved...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29148047/plasma-copeptin-levels-in-patients-with-restless-legs-syndrome
#17
S Topaloglu Tuac, S Ozben, M Koseoglu Bitnel, A Koksal, E Kucuksayan, A Hanikoğlu, T Ozben
OBJECTIVES: Copeptin, the C-terminal fragment of antidiuretic hormone, is a new biomarker that has been found to be elevated in several disorders and could be related with prognosis. This study aimed to compare plasma copeptin levels in patients with restless legs syndrome (RLS) with healthy individuals and to investigate whether plasma copeptin levels were associated with the severity of disease. MATERIAL AND METHODS: 41 patients with primary RLS, who were followed in Bakirkoy Psychiatry and Neurology Research and Training Hospital and 41 age- and sex-matched healthy individuals were included into the study...
November 17, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/29138567/resveratrol-ameliorates-chronic-unpredictable-mild-stress-induced-depression-like-behavior-involvement-of-the-hpa-axis-inflammatory-markers-bdnf-and-wnt-%C3%AE-catenin-pathway-in-rats
#18
Xin-Hua Yang, Su-Qi Song, Yun Xu
Classic antidepressant drugs are modestly effective across the population and most are associated with intolerable side effects. Recently, numerous lines of evidence suggest that resveratrol (RES), a natural polyphenol, possesses beneficial therapeutic activity for depression. The aim of the present study was to explore whether RES exhibits an antidepressant-like effect in a depression model and to explore the possible mechanism. A depression model was established via chronic unpredictable mild stress (CUMS), after which the model rats in the RES and fluoxetine groups received a daily injection of RES or fluoxetine, respectively...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/29115641/traumatic-stress-affects-alcohol%C3%A2-drinking-behavior-through-cocaine%C3%A2-and-amphetamine%C3%A2-regulated-transcript-55%C3%A2-102-in-the-paraventricular-nucleus-in-rats
#19
Jie Liu, Xue-Ming Hu, Xiao-Jian Li, Hui Zhao
Cumulative evidence has suggested an association between stress and alcohol self‑administration; however, less is known about the role of traumatic stress in alcohol drinking behavior. It has been reported that cocaine‑ and amphetamine‑regulated transcript (CART) 55‑102 may be involved in mediating stress responses and regulating reward and reinforcement. The aim of the present study was to evaluate the role of CART 55‑102 in alcohol drinking behavior of rats in the presence or absence of traumatic stress...
January 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29104061/post-weaning-social-isolation-of-rats-leads-to-long-term-disruption-of-the-gut-microbiota-immune-brain-axis
#20
Fionn Dunphy-Doherty, Siobhain M O'Mahony, Veronica L Peterson, Orla O'Sullivan, Fiona Crispie, Paul D Cotter, Peter Wigmore, Madeleine V King, John F Cryan, Kevin C F Fone
Early-life stress is an established risk for the development of psychiatric disorders. Post-weaning isolation rearing of rats produces lasting developmental changes in behavior and brain function that may have translational pathophysiological relevance to alterations seen in schizophrenia, but the underlying mechanisms are unclear. Accumulating evidence supports the premise that gut microbiota influence brain development and function by affecting inflammatory mediators, the hypothalamic-pituitaryadrenal axis and neurotransmission, but there is little knowledge of whether the microbiota-gut-brain axis might contribute to the development of schizophrenia-related behaviors...
February 2018: Brain, Behavior, and Immunity
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