Results 191 to 200 of about 396,292 (302)

Downregulation of EPAS1 and EGLN1 mRNA Expression Associated With High‐Altitude Adaptive Genetic Variants in Sherpa Highlanders

Annals of Human Genetics, Volume 90, Issue 3, Page 202-214, May 2026.
ABSTRACT Background and Aims Sherpa highlanders exhibit remarkable tolerance to hypoxia, most likely due to genetic adaptations shaped by natural selection at high altitude. This study examined the roles of endothelial PAS domain protein 1 (EPAS1) and egl‐9 family hypoxia‐inducible factor 1 (EGLN1) in the genetic mechanisms underlying this adaptation ...
Yunden Droma, Fengming Yue, Masao Ota, Nobumitsu Kobayashi, Yoshiaki Kitaguchi, Masayuki Hanaoka   +5 more
wiley   +1 more source

The caliph and the falcons: a ninth‐century history from Iceland to Iraq

Early Medieval Europe, Volume 34, Issue 2, Page 299-322, May 2026.
In the late ninth and early tenth centuries, an extraordinary number of falcons were given to the ʿAbbāsid caliphs in Baghdad, many of which were white. Gifts from competing dynasties in the northern provinces of the Caliphate, at least some of these birds were almost certainly gyrfalcons from near the Arctic Circle.
Caitlin Ellis, Sam Ottewill‐Soulsby
wiley   +1 more source

Bed rest decreases resting skeletal muscle O2 uptake and resting energy expenditure in young and elderly subjects

Experimental Physiology, Volume 111, Issue 5, Page 2599-2612, 1 May 2026.
Abstract A decrease in resting muscle O2 uptake (V̇O2m${\dot V_{{{\mathrm{O}}_2}{\mathrm{m}}}}$) described during bed rest (BR) could determine a decreased whole‐body resting energy expenditure (REE), potentially useful during prolonged spaceflights. Two groups of recreationally active men (young [Y], n = 8, age 23 ± 5 years; elderly [E], n = 10, age ...
Giovanni Baldassarre, Simone Porcelli, Lucrezia Zuccarelli, Lorenza Brocca, Noemi Arboit, Laura Gobbo, Michele Lacerenza, Alessio Marciano, Chiara Motto, Giulia Sanguin, Mladen Gasparini, Boštjan Šimunič, Rado Pišot, Marco Narici, Bruno Grassi   +14 more
wiley   +1 more source

Findings of Cognitive Impairment at High Altitude: Relationships to Acetazolamide Use and Acute Mountain Sickness

High Altitude Medicine & Biology, 2017
Lara L. Phillips, B. Basnyat, Yuchiao Chang, E. Swenson, N. Harris, Phillips, Buddha Lara, Yuchiao Basnyat, E. Chang, N. Swenson, Stuart Harris   +10 more
semanticscholar   +1 more source

Field-testing at high-altitude: Recommendations from Leeds Metropolitan University’s Himalayan 2011 research expedition team [PDF]

, 2013
Board, L, Bunting, D, Garrard, M, King,, J, Seims, A   +4 more
core  

An Evaluation of WRF‐Chem's Performance in Simulating PM2.5 in West African Cities

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 7, 16 April 2026.
Abstract West Africa experiences some of the highest particulate pollution levels globally due to Saharan dust, biomass burning and urban emissions. Despite the severe health burden, air quality monitoring remains sparse. This study evaluates WRF‐Chem's performance in simulating PM2.5 levels across seven West African cities in 2021 using newly ...
Aara’L Y. Yarber, Gregory S. Jenkins
wiley   +1 more source

Improved Dust Microphysical Retrieval From LiDAR by Introducing a Priori Constraints From In Situ and Laboratory Measurements

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 7, 16 April 2026.
Abstract The accuracy of height‐resolved dust microphysical retrieval from LiDARs has been greatly improved by the recently developed BOREAL (Basic algOrithm for REtrieval of Aerosol with LiDAR) algorithm which describes non‐spherical dust particles with the Irregular‐Hexahedral (IH) model and inverts 3β (backscattering at 355, 532, and 1,064 nm) + 2α (
Yuyang Chang, Qiaoyun Hu, Philippe Goloub, Thierry Podvin   +3 more
wiley   +1 more source

Time requirements of pre-acclimatization at simulated altitude to prevent acute mountain sickness. [PDF]

J Travel Med
Burtscher J, Hüfner K, Gatterer H, Pichler-Hefti J, Hefti U, Tannheimer M, Kleinsasser A, Hackett P, Burtscher M.   +8 more
europepmc   +1 more source

The independent predictive effect of insomnia symptoms before high-altitude exposure on acute mountain sickness: an observational study of healthy volunteers at 2726 m. [PDF]

Front Psychiatry
Hou S, Jiang J, Huang Y, Liang Y, Zhou X, Li L.   +5 more
europepmc   +1 more source

Prevalence and risk factors for AMS: A systematic review and meta-analysis. [PDF]

PLoS One
Liu X, Tan L, Ren Z, Bai X, Yong S, Gao H, Ba S, Gongga L.   +7 more
europepmc   +1 more source