Results 41 to 50 of about 1,089,385 (289)

Adropin Is a Key Mediator of Hypoxia Induced Anti-Dipsogenic Effects via TRPV4-CamKK-AMPK Signaling in the Circumventricular Organs of Rats

open access: yesFrontiers in Molecular Neuroscience, 2017
Water intake reduction (anti-dipsogenic effects) under hypoxia has been well established, but the underlying reason remains unknown. Our previous report indicated that activated TRPV4 neurons in SFO are associated with anti-dipsogenic effects under ...
Qing-Yuan Huang   +19 more
doaj   +1 more source

Microbial diversity and soil physiochemical characteristic of higher altitude

open access: yesPLoS ONE, 2019
Altitude is the major factor affecting both biodiversity and soil physiochemical properties of soil ecosystems. In order to understand the effect of altitude on soil physiochemical properties and bacterial diversity across the Himalayan cold desert, high
Saurabh Kumar   +4 more
semanticscholar   +1 more source

Cognitive function and mood at high altitude following acclimatization and use of supplemental oxygen and adaptive servoventilation sleep treatments. [PDF]

open access: yes, 2019
Impairments in cognitive function, mood, and sleep quality occur following ascent to high altitude. Low oxygen (hypoxia) and poor sleep quality are both linked to impaired cognitive performance, but their independent contributions at high altitude remain
Anza-Ramirez, Cecilia   +10 more
core   +2 more sources

Enhanced Placental Mitochondrial Respiration in Tibetan Women at High Altitude

open access: yesFrontiers in Physiology, 2021
Living at high altitudes is extremely challenging as it entails exposure to hypoxia, low temperatures, and high levels of UV radiation. However, the Tibetan population has adapted to such conditions on both a physiological and genetic level over 30,000 ...
Huifang Liu   +12 more
doaj   +1 more source

Altitude adaptation in Tibet caused by introgression of Denisovan-like DNA

open access: yesNature, 2014
As modern humans migrated out of Africa, they encountered many new environmental conditions, including greater temperature extremes, different pathogens and higher altitudes.
Emilia Huerta-Sánchez   +25 more
semanticscholar   +1 more source

An improved formula for standard hypoxia tolerance time (STT) to evaluate hypoxic tolerance in mice

open access: yesMilitary Medical Research, 2018
Background Hypoxia is a primary cause of mountain sickness and a common pathological condition in patients with heart failure, shock, stroke, and chronic obstructive pulmonary disease (COPD).
Gang Xu   +5 more
doaj   +1 more source

IL-6/STAT3 Induced Neuron Apoptosis in Hypoxia by Downregulating ATF6 Expression

open access: yesFrontiers in Physiology, 2021
Background: Neuron apoptosis, regulated by endoplasmic reticulum (ER) stress in the hippocampus, is an essential factor influencing the cognitive impairment induced by hypobaric hypoxia.
Simin Zhou   +26 more
doaj   +1 more source

Convergent evolution in human and domesticate adaptation to high-altitude environments

open access: yesPhilosophical Transactions of the Royal Society of London. Biological Sciences, 2019
Humans and their domestic animals have lived and thrived in high-altitude environments worldwide for thousands of years. These populations have developed a number of adaptations to survive in a hypoxic environment, and several genomic studies have been ...
K. Witt, Emilia Huerta-Sánchez
semanticscholar   +1 more source

Astronomical Site Ranking Based on Tropospheric Wind Statistics

open access: yes, 2004
We present comprehensive and reliable statistics of high altitude wind speeds and the tropospheric flows at the location of five important astronomical observatories.
B. García-Lorenzo   +16 more
core   +1 more source

Development and Validation of the Whole Atmosphere Community Climate Model With Thermosphere and Ionosphere Extension (WACCM‐X 2.0)

open access: yesJournal of Advances in Modeling Earth Systems, 2018
Key developments have been made to the NCAR Whole Atmosphere Community Climate Model with thermosphere and ionosphere extension (WACCM‐X). Among them, the most important are the self‐consistent solution of global electrodynamics, and transport of O+ in ...
Han‐Li Liu   +15 more
doaj   +1 more source

Home - About - Disclaimer - Privacy