keyword
MENU ▼
Read by QxMD icon Read
search

Chronic adrenal stress

keyword
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
#1
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/29128802/chronic-social-isolation-in-adaptation-of-hpa-axis-to-heterotypic-stress
#2
Anna Gądek-Michalska, Andrzej Bugajski, Joanna Tadeusz, Paulina Rachwalska, Jan Bugajski
BACKGROUND: Social crowding and isolation are recognized as major stressors and risk factors for development of psychiatric disorders. Chronic isolation stress (IS) and crowding stress (CS) activate neuroendocrine and neurochemical mechanisms, that activate the hypothalamic-pituitary-adrenal (HPA) axis. Changes of the plasma level of interleukin-1β (IL-1β), ACTH and corticosterone (CORT) after chronic psychosocial IS and CS were investigated. METHODS: Control rats were kept 5 per cage and not stressed...
November 9, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29093513/high-fat-diet-and-chronic-stress-aggravate-adrenal-function-abnormality-induced-by-prenatal-caffeine-exposure-in-male-offspring-rats
#3
Zheng He, Feng Lv, Yufeng Ding, Hegui Huang, Lian Liu, Chunyan Zhu, Youyin Lei, Li Zhang, Cai Si, Hui Wang
We previously demonstrated thatprenatal caffeine exposure (PCE) suppressed fetal adrenal steroidogenesis and resulted in developmental programming changes in offspring rats. However, whether these changes play a role in adrenal corticosterone synthesis under high-fat diet (HFD) and unpredictable chronic stress (UCS) remains unknown. In present study, rat model was established by PCE (120 mg/kg.d), and male offspring were provided normal diet or HFD after weaning. At postnatal week 21, several rats fed HFD were exposed to UCS for 3 weeks and sacrificed...
November 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29084144/bipolar-disorder-and-immune-dysfunction-epidemiological-findings-proposed-pathophysiology-and-clinical-implications
#4
REVIEW
Joshua D Rosenblat, Roger S McIntyre
Bipolar disorder (BD) is strongly associated with immune dysfunction. Replicated epidemiological studies have demonstrated that BD has high rates of inflammatory medical comorbidities, including autoimmune disorders, chronic infections, cardiovascular disease and metabolic disorders. Cytokine studies have demonstrated that BD is associated with chronic low-grade inflammation with further increases in pro-inflammatory cytokine levels during mood episodes. Several mechanisms have been identified to explain the bidirectional relationship between BD and immune dysfunction...
October 30, 2017: Brain Sciences
https://www.readbyqxmd.com/read/29080684/chronic-social-stress-ameliorates-psoriasiform-dermatitis-through-upregulation-of-the-hypothalamic-pituitary-adrenal-axis
#5
Oscar Vegas, Brian Poligone, Paul Blackcloud, Elaine S Gilmore, JoAnne VanBuskirk, Christopher T Ritchlin, Alice P Pentland, Scott A Walter, Yasmine Nousari, Francisco Tausk
Acute stress is a physiological response of an organism to adverse conditions, contributing to survival; however, persistence through time may lead to disease. Indeed, exacerbation of inflammatory conditions such as psoriasis has been reported to follow stressors in susceptible patients. Because chronic stress cannot ethically be elicited in patients under controlled laboratory conditions, we studied genetically modified mice that naturally develop psoriasiform dermatitis, and subjected them to an ethological chronic social contact stress paradigm...
October 25, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29079140/effects-of-stress-on-the-corticolimbic-system-implications-for-chronic-pain
#6
REVIEW
Etienne Vachon-Presseau
Stress has multifaceted effects on pain. On the one hand, it is a powerful inhibitor of nociception and inflammation; on the other hand, it contributes to enhanced pathological states including the establishment and continuation of chronic pain. These seemingly paradoxical effects can be better understood by investigating how stress-induced plasticity in particular brain circuitry contributes to the chronic pain state. This review presents the rationale and evidence for the interactions between stress and pain, emphasizing underlying mechanisms and putting forth the hypothesis that stress partly mediates the deleterious effects of pain on the corticolimbic system...
October 24, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29077838/dietary-manipulations-that-induce-ketosis-activate-the-hpa-axis-in-male-rats-and-mice-a-potential-role-for-fibroblast-growth-factor-21
#7
Karen K Ryan, Amy E B Packard, Karlton R Larson, Jayna Stout, Sarah M Fourman, Abigail M K Thompson, Kristen Ludwick, Kirk M Habegger, Kerstin Stemmer, Nobuyuki Itoh, Diego Perez-Tilve, Matthias H Tschöp, Randy J Seeley, Yvonne M Ulrich-Lai
In response to an acute threat to homeostasis or well-being, the hypothalamic-pituitary-adrenocortical (HPA) axis is engaged. A major outcome of this HPA axis activation is the mobilization of stored energy, to fuel an appropriate behavioral and/ or physiological response to the perceived threat. Importantly, the extent of HPA axis activity is thought to be modulated by an individual's nutritional environment. In this study, we report that nutritional manipulations signaling a relative depletion of dietary carbohydrates, thereby inducing nutritional ketosis, acutely and chronically activate the HPA axis...
October 25, 2017: Endocrinology
https://www.readbyqxmd.com/read/29065770/salivary-cortisol-reactivity-in-preschoolers-is-associated-with-hair-cortisol-and-behavioral-problems
#8
Katie Kao, Stacey N Doan, Ashley M St John, Jerrold S Meyer, Amanda R Tarullo
The interplay between children's cortisol reactivity to challenge and cumulative cortisol exposure is not well understood. Examining the role of cortisol reactivity in early childhood may elucidate biological mechanisms that contribute to children's chronic physiological stress and behavioral dysregulation. In a sample of 65 preschool-aged children, we examined the relation between children's salivary cortisol reactivity to challenging tasks and their hair cortisol concentration (HCC). While both are biomarkers of the hypothalamic-pituitary-adrenal (HPA) axis, salivary cortisol reactivity reflects an acute cortisol response to a stressor and HCC reflects cumulative cortisol exposure...
October 24, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/29063119/-inflammatory-mechanism-of-depression-and-its-new-strategy%C3%A2-for-diagnosis-and%C3%A2-treatment
#9
Wen-Jun Su, Zhi-Yong Cao, Chun-Lei Jiang
Depression is a major class of mental illness; owing to its high prevalence, high disability rate and heavy disease burden, it has become a stern and formidable global health problem. It is generally believed that the etiology of depression is multifactorial, which is related to gender differences, chronic stress, dietary behavior and drug abuse. At present, the exact pathophysiological mechanism of depression still remains unclear, but researchers across the globe put forward various hypotheses to interpret the possible access to this disease, including monoamine neurotransmitter disturbance, hypothalamic-pituitary-adrenal (HPA) axis dysfunction, lack of neurotrophic factors and excessive pro-inflammatory cytokines...
October 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/29059290/regeneration-of-functional-adrenal-tissue-following-bilateral-adrenalectomy
#10
Neta Gotlieb, Ely Albaz, Lee Shaashua, Liat Sorski, Pini Matzner, Ella Rosenne, Benjamin Amram, Amit Benbenishty, Eli Golomb, Shamgar Ben-Eliyahu
It is assumed that following complete bilateral adrenalectomy, no adrenal tissue will re-develop, and adrenal hormone levels would remain low and unaffected by stress. However, anecdotal observations in animals and in patients suggest that under some unknown circumstances the opposite can occur. Herein we studied whether adrenalectomized rats can develop an alternative source of systemic corticosterone after complete bilateral adrenalectomy with minimal replacement therapy. Male and female rats underwent either a standard adrenalectomy, in which the glands were removed with minimal surrounding adipose tissue, or an extensive adrenalectomy, in which glands were removed with most surrounding adipose tissue...
October 19, 2017: Endocrinology
https://www.readbyqxmd.com/read/29053578/treatment-with-synthetic-glucocorticoids-and-the-hypothalamus-pituitary-adrenal-axis
#11
REVIEW
Rosa Maria Paragliola, Giampaolo Papi, Alfredo Pontecorvi, Salvatore Maria Corsello
Chronic glucocorticoid (GC) treatment represents a widely-prescribed therapy for several diseases in consideration of both anti-inflammatory and immunosuppressive activity but, if used at high doses for prolonged periods, it can determine the systemic effects characteristic of Cushing's syndrome. In addition to signs and symptoms of hypercortisolism, patients on chronic GC therapy are at risk to develop tertiary adrenal insufficiency after the reduction or the withdrawal of corticosteroids or during acute stress...
October 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29049934/molecular-changes-associated-with-escitalopram-response-in-a-stress-based-model-of-depression
#12
Cristina Benatti, Silvia Alboni, Joan M C Blom, Julien Mendlewicz, Fabio Tascedda, Nicoletta Brunello
Converging evidence points at hypothalamus-pituitary-adrenal (HPA) axis hyperactivity and neuroinflammation as important factors involved in the etiopathogenesis of major depressive disorder (MDD) and in therapeutic efficacy of antidepressants. In this study, we examined the molecular effects associated with a response to a week-long treatment with escitalopram in the chronic escape deficit (CED) model, a validated model of depression based on the induction of an escape deficit after exposure of rats to an unavoidable stress...
October 13, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29041862/impact-of-chronic-maternal-stress-during-early-gestation-on-maternal-fetal-stress-transfer-and-fetal-stress-sensitivity-in-sheep
#13
Michelle Dreiling, Rene Schiffner, Sabine Bischoff, Sven Rupprecht, Nasim Kroegel, Harald Schubert, Otto W Witte, Matthias Schwab, Florian Rakers
Acute stress-induced reduction of uterine blood flow (UBF) is an indirect mechanism of maternal-fetal stress transfer during late gestation. Effects of chronic psychosocial maternal stress (CMS) during early gestation, as may be experienced by many working women, on this stress signaling mechanism are unclear. We hypothesized that CMS in sheep during early gestation augments later acute stress-induced decreases of UBF, and aggravates the fetal hormonal, cardiovascular, and metabolic stress responses during later development...
October 18, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/29025979/the-melatonin-receptor-agonist-piromelatine-ameliorates-impaired-glucose-metabolism-in-chronically-stressed-rats-fed-a-high-fat-diet
#14
Jun Zhou, Deng Wang, Xiaohong Luo, Xu Jia, Maoxing Li, Laudon Moshe, Ruxue Zhang, Zhengping Jia
Modern lifestyle factors (high-caloric food rich in fat) and daily chronic stress are important risk factors for metabolic disturbances. Increased hypothalamic-pituitary-adrenal (HPA) axis activity and the subsequent excess production of glucocorticoids (GCs) in response to chronic stress (CS) leads to increases in metabolic complications, such as type 2 diabetes and insulin resistance (IR). Melatonin (MLT), which protects several regulatory components of the HPA axis from GC-induced deterioration, might improve glucose homeostasis...
October 12, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29023418/association-between-stress-and-the-hpa-axis-in-the-atopic-dermatitis
#15
REVIEW
Tzu-Kai Lin, Lily Zhong, Juan Luis Santiago
The hypothalamic-pituitary-adrenal (HPA) axis is one of the body's neuroendocrine networks that responds to psychological stress (PS). In the skin, there exists a peripheral HPA axis similar to the central axis. Glucocorticoids (GCs) are key effector molecules of the HPA axis and are essential for cutaneous homeostasis. Atopic dermatitis (AD) is a condition typically characterized by a chronic relapsing course that often results in PS. HPA dysfunction is present in AD patients by the decreased response of GCs elevation to stress as compared to those unaffected by AD...
October 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29021708/effects-of-ginseng-on-stress-related-depression-anxiety-and-the-hypothalamic-pituitary-adrenal-axis
#16
REVIEW
Seungyeop Lee, Dong-Kwon Rhee
Ginseng effectively regulates the immune response and the hormonal changes due to stress, thus maintaining homeostasis. In addition to suppressing the occurrence of psychological diseases such as anxiety and depression, ginseng also prevents stress-associated physiological diseases. Recent findings have revealed that ginseng is involved in adjusting the hypothalamic-pituitary-adrenal axis and controlling hormones, thus producing beneficial effects on the heart and brain, and in cases of bone diseases, as well as alleviating erectile dysfunction...
October 2017: Journal of Ginseng Research
https://www.readbyqxmd.com/read/29020649/neuroendocrine-stress-reactivity-of-male-c57bl-6n-mice-following-chronic-oral-corticosterone-exposure-during-adulthood-or-adolescence
#17
Ziasmin Shahanoor, Razia Sultana, Madelyn R Baker, Russell D Romeo
Adolescence is associated with the maturation of the hypothalamic-pituitary-adrenal (HPA) axis, the major neuroendocrine axis mediating the hormonal stress response. Adolescence is also a period in development marked by a variety of stress-related vulnerabilities, including psychological and physiological dysfunctions. Many of these vulnerabilities are accompanied by a disrupted HPA axis. In adult mice, a model of disrupted HPA function has been developed using oral chronic corticosterone administration via the drinking water, which results in various physiological and neurobehavioral abnormalities, including changes in stress reactivity and anxiety-like behaviors...
December 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29018604/effects-of-invasion-history-on-physiological-responses-to-immune-system-activation-in-invasive-australian-cane-toads
#18
Daniel Selechnik, Andrea J West, Gregory P Brown, Kerry V Fanson, BriAnne Addison, Lee A Rollins, Richard Shine
The cane toad (Rhinella marina) has undergone rapid evolution during its invasion of tropical Australia. Toads from invasion front populations (in Western Australia) have been reported to exhibit a stronger baseline phagocytic immune response than do conspecifics from range core populations (in Queensland). To explore this difference, we injected wild-caught toads from both areas with the experimental antigen lipopolysaccharide (LPS, to mimic bacterial infection) and measured whole-blood phagocytosis. Because the hypothalamic-pituitary-adrenal axis is stimulated by infection (and may influence immune responses), we measured glucocorticoid response through urinary corticosterone levels...
2017: PeerJ
https://www.readbyqxmd.com/read/29018347/mechanisms-of-the-testis-toxicity-induced-by-chronic-exposure-to-mequindox
#19
Qianying Liu, Zhixin Lei, Anxiong Huang, Qirong Lu, Xu Wang, Saeed Ahmed, Ihsan Awais, Zonghui Yuan
Mequindox (MEQ) is a synthetic antimicrobial agent widely used in China since the 1980s. Although the toxicity of MEQ is well recognized, its testis toxicity has not been adequately investigated. In the present study, we provide evidence that MEQ triggers oxidative stress, mitochondrion dysfunction and spermatogenesis deficiency in mice after exposure to MEQ (0, 25, 55, and 110 mg/kg in the diet) for up to 18 months. The genotoxicity and adrenal toxicity may contribute to sperm abnormalities caused by MEQ. Moreover, using LC/MS-IT-TOF analysis, two metabolites, 3-methyl-2-(1-hydroxyethyl) quinoxaline-N4-monoxide (M4) and 3-methyl-2-(1-hydroxyethyl) quinoxaline-N1-monoxide (M8), were detected in the serum of mice, which directly confirms the relationship between the N→O group reduction metabolism of MEQ and oxidative stress...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28994540/-protective-effect-of-shuyu-yiban-decoction-on-atherosclerosis-in-rats-induced-by-chronic-unpredictable-mild-stress
#20
Xiao-Jun Zheng, Zhi-Qiang Hu, Shu-Wei Luan, Ran Li, Yun Li, Jian-Liang Li, Yu-Jie Li, Xiao-Xin Zhu
Shuyu Yiban decoction(SYYB) has significant effect in treating the patients with coronary heart disease combined with chronic psychological stress. In this study, in order to observe the effects of SYYB on early formation of atherosclerosis(As) and inflammation response induced by chronic psychological stress, high-fat diet+intraperitoneal injections of Vitamin D3 were given to establish As early lesion models, and based on these models, chronic unpredictable mild stress(CUMS) was used to observe whether the chronic psychological stress could increase coronary atherosclerotic lesions investigate the intervention effect of SYYB(6...
March 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
keyword
keyword
105200
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"