نتایج جستجو برای: allostasis

تعداد نتایج: 219  

2018
Ivan Neil Gomez Cynthia Yy Lai Trevor Wk Yung Chetwyn Ch Chan Hector Wh Tsang

BACKGROUND Migration is a worldwide phenomenon in recent times. Recently, documented studies suggest that the change in environments involved in migration may have an influence on children's allostatic load related to health and well-being. OBJECTIVE The aim of this review is to systematically search the extant literature and critically examine the evidence on how migration affects allostatic...

2011
Ryan B. Abbott Ka-Kit Hui Ron D. Hays Jess Mandel Michael Goldstein Babbi Winegarden Dale Glaser Laurence Brunton

While the use of complementary, alternative and integrative medicine (CAIM) is substantial, it continues to exist at the periphery of allopathic medicine. Understanding the attitudes of medical students toward CAIM will be useful in understanding future integration of CAIM and allopathic medicine. This study was conducted to develop and evaluate an instrument and assess medical students' attitu...

Journal: :Physiology & behavior 2009
Greta Agren Irene Lund Ingemar Thiblin Thomas Lundeberg

This study was carried out to elucidate the predictive value of tail skin temperatures (TSTs) assessed in naïve rats as a non-invasive pre-experimental method of classification of coping style. Male Lewis rats were classified according to tail skin temperatures (TST), and relative size within cage-groups. TSTs were monitored over two-hour periods following exposure to physical and emotional str...

2009
Eric Lee Garland Matthew Howard Eileen Garland Francisco J. Varela

This review presents a conceptual integration of formerly discrete theories of stress appraisal, neurobiological allostasis, automatic cognitive processing, and addictive behavior to explain how alcohol misuse and dependence is maintained and re-activated by stress. We outline a risk chain in which psychosocial stress initiates physiological arousal, perseverative cognition, and negative affect...

Journal: :Biological Psychiatry: Cognitive Neuroscience and Neuroimaging 2021

Each year, 3 million deaths occur owing to alcohol misuse. Translational studies are crucial translate preclinical findings patients. Preclinical have highlighted abnormalities in specific brain systems, with these forming the basis of allostasis theory. However, few tested predictions humans using neuroimaging. We used a Research Domain Criteria approach test theory blunted positive valence sy...

2014
Douglas S Ramsay Stephen C Woods Karl J Kaiyala

Initial administration of 60% nitrous oxide (N2O) to rats at an ambient temperature of 21°C decreases core temperature (Tc), primarily via increased heat loss (HL). Over repeated N2O administrations, rats first develop tolerance to this hypothermia and subsequently exhibit hyperthermia (a sign-reversal) due primarily to progressive increases in heat production (HP). When rats initially receive ...

Journal: :Expert review of neurotherapeutics 2011
Elisa Brietzke Flávio Kapczinski Rodrigo Grassi-Oliveira Iria Grande Eduard Vieta Roger S McIntyre

Bipolar disorder (BD) is associated with substantial morbidity, as well as premature mortality. Available evidence indicates that 'stress-sensitive' chronic medical disorders, such as cardiovascular disease, obesity and Type 2 diabetes mellitus, are critical mediators and/or moderators of BD. Changes in physiologic systems implicated in allostasis have been proposed to impact brain structures a...

Journal: :Neuroscience & Biobehavioral Reviews 2015
Achim Peters Bruce S. McEwen

High cardiovascular mortality is well documented in lean phenotypes exhibiting visceral fat accumulation. In contrast, corpulent phenotypes with predominantly subcutaneous fat accumulation display a surprisingly low mortality. The term 'obesity paradox' reflects the difficulty in understanding the biological mechanisms underlying these clinical observations. The allostatic load model of chronic...

2016
Libin Liu Paul F Pilch

Ribosomal RNA transcription mediated by RNA polymerase I represents the rate-limiting step in ribosome biogenesis. In eukaryotic cells, nutrients and growth factors regulate ribosomal RNA transcription through various key factors coupled to cell growth. We show here in mature adipocytes, ribosomal transcription can be acutely regulated in response to metabolic challenges. This acute response is...

Journal: :Circulation 2002
Paul Hjemdahl

Modern society has brought with it profound changes in lifestyle and an increased incidence of atherosclerotic vascular disease. Body weights are on the rise, diets are becoming less healthy, and people are becoming increasingly sedentary, resulting in elevations of blood pressure and metabolic alterations that increase atherothrombotic risk. In fact, obesity, insulin resistance, and diabetes a...

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