Results 231 to 240 of about 34,892 (283)

A time-resolved multi-omics atlas of transcriptional regulation in response to high-altitude hypoxia across whole-body tissues. [PDF]

Nat Commun
Yan Z, Yang J, Wei WT, Zhou ML, Mo DX, Wan X, Ma R, Wu MM, Huang JH, Liu YJ, Lv FH, Li MH.   +11 more
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[Molecular mechanism of high-altitude hypoxia-induced lipid metabolism disorder in mouse spleen tissue]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Cui C, Xu Y, Tang C, Jiang J, Hu Y, Shuang J.   +5 more
europepmc   +1 more source

[Effect of High-Altitude Hypoxia on the Pharmacokinetics and Brain Distribution of Phenytoin Sodium in Epileptic Rats]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Zhang X, Zhong Y, Mu H, Li W, Yang X, Wang R.   +5 more
europepmc   +1 more source

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High Altitude Hypoxia

Current Proteomics, 2021
The world's highest and largest altitude area is called the Qinghai-Tibetan plateau QTP, which harbors unique animal and plant species. Mammals that inhabit the higher altitude regions have adapted well to the hypoxic conditions. One of the main stressor at high altitudes is hypoxia.
Asma Babar, Kifayatullah Mengal, Abdul Hanan Babar, Shixin Wu, Mujahid Ali Shah, Chuanfei Xu, Xuegang Luo, Xin Cai   +7 more
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Intermittent High Altitude Hypoxia

Chest, 1980
The effect of intermittent high altitude (IHA) hypoxia on the myocardium and lesser circulation was investigated in adult male Wistar rats. IHA can induce intermittent pulmonary hypertension and right ventricular hypertrophy in a relatively short time. Even marked pulmonary hypertension, right ventricular hypertrophy, and pulmonary vascular changes can
J, Widimsky, B, Ostádal, D, Urbanová, J, Ressl, J, Procházka, V, Pelouch   +5 more
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High altitude hypoxia and chemodectomas

Human Pathology, 1973
Abstract Twenty-three of 25 Peruvian adults with chemodectomas of the head and neck had been born and lived at altitudes between 2105 and 4350 meters (6904 to 14,268 feet). Estimates of prevalence in Peru indicate that chemodectomas are about 10 times more frequent at high altitudes than at sea level.
M J, Saldana, L E, Salem, R, Travezan
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Adaptations to High-Altitude Hypoxia

2021
Biological anthropologists aim to explain the hows and whys of human biological variation using the concepts of evolution and adaptation. High-altitude environments provide informative natural laboratories with the unique stress of hypobaric hypoxia, which is less than usual oxygen in the ambient air arising from lower barometric pressure.
Cynthia M. Beall, Kingman P. Strohl
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Hypoxia and High Altitude

2003
Increased erythropoietin plasma levels and the consequent augmented production of red blood cells is the best known systemic adaptation to reduced oxygen partial pressure (pO2). Intensive research during the last years revealed that the molecular mechanism behind the regulation of erythropoietin is ubiquitous and has far more implications than first ...
Gisele, Höpfl, Omolara, Ogunshola, Max, Gassmann   +2 more
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Pain Perception under Chronic High‐altitude Hypoxia

European Journal of Neuroscience, 1996
AbstractFollowing studies of respiratory sensory functions during high‐altitude adaptation, pain perception investigations were carried out on European lowlanders during an expedition on the Bhrikuti peak, Himalaya (first ascent). Perception thresholds and discrimination performances of electrical stimuli applied to the skin were determined with a ...
M C, Noël-Jorand, D, Bragard, L, Plaghki   +2 more
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Catecholamines, hypoxia and high altitude

Acta Physiologica Scandinavica, 1998
Hypoxia is a potent activator of the sympathetic nervous system by stimulating arterial chemoreceptors. However, out of 15laboratorystudies on the effects of acute and prolonged hypoxia on catecholamines, 14 failed to show any changes in plasma or urinary noradrenaline and only four studies showed significant increases in plasma or urinary adrenaline ...
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