Molecular mechanisms of high-altitude acclimatization

RT Mallet, J Burtscher, V Pialoux, Q Pasha… - International journal of …, 2023 - mdpi.com
High-altitude illnesses (HAIs) result from acute exposure to high altitude/hypoxia. Numerous
molecular mechanisms affect appropriate acclimatization to hypobaric and/or normobaric …

[HTML][HTML] Immune consequences of exercise in hypoxia: a narrative review

J Burtscher, Q Pasha, N Chanana, GP Millet… - Journal of Sport and …, 2023 - Elsevier
Immune outcomes are key mediators of many health benefits of exercise and are
determined by exercise type, dose (frequency/duration, intensity), and individual …

Potential plasma biomarkers at low altitude for prediction of acute mountain sickness

H Guo, Q Wang, T Li, J Chen, C Zhang, Y Xu… - Frontiers in …, 2023 - frontiersin.org
Background Ascending to high altitude can induce a range of physiological and molecular
alterations, rendering a proportion of lowlanders unacclimatized. The prediction of acute …

Altitude‐dependent metabolite biomarkers reveal the mechanism of plateau pika adaptation to high altitudes

X Chen, Z Wang, J Su, H Li, J Xiong, K Fu… - Integrative …, 2023 - Wiley Online Library
The harsh environment in the Tibetan plateau, the highest place in the world, poses
thermoregulatory challenges and hypoxic stress to animals. The impacts of plateau …

The adaptation of bumblebees to extremely high elevation associated with their gut microbiota

JH Dong, X Xu, ZX Ren, YH Zhao, Y Zhang, L Chen… - Msystems, 2024 - Am Soc Microbiol
Bumblebees are among the most abundant and important pollinators for sub-alpine and
alpine flowering plant species in the Northern Hemisphere, but little is known about their …

Divergent mechanisms regulate TLR4 expression on peripheral blood mononuclear cells following workload-matched exercise in normoxic and hypoxic environments

JB Ducharme, ZJ McKenna… - Journal of Applied …, 2024 - journals.physiology.org
Exercise in hypoxia increases immune responses compared with normoxic exercise, and
while Toll-like receptor 4 (TLR4) is implicated in these responses, its regulation remains …

Dexamethasone prophylaxis protects from acute high-altitude illness by modifying the peripheral blood mononuclear cell inflammatory transcriptome

R Kumar, N Chanana, K Sharma, T Palmo… - Bioscience …, 2023 - portlandpress.com
Acute high-altitude (HA) exposure can induce several pathologies. Dexamethasone (DEX)
can be taken prophylactically to prevent HA disease, but the mechanism by which it acts in …

Pretreatment with Notoginsenoside R1 attenuates high‐altitude hypoxia‐induced cardiac injury via activation of the ERK1/2‐P90RSK‐Bad signaling pathway in rats

S Zhao, N Jia, Z Shen, C Pei, D Huang… - Phytotherapy …, 2023 - Wiley Online Library
High‐altitude cardiac injury (HACI) is one of the common tissue injuries caused by high‐
altitude hypoxia that may be life threatening. Notoginsenoside R1 (NG‐R1), a major saponin …

Potential therapeutic effects of traditional Chinese medicine in acute mountain sickness: pathogenesis, mechanisms and future directions

Z Wu, Y Wang, R Gao, J Chen, Y Chen, M Li… - Frontiers in …, 2024 - frontiersin.org
Background and objectives Acute mountain sickness (AMS) is a pathology with different
symptoms in which the organism is not adapted to the environment that occurs under the …

Hemorheological, cardiorespiratory, and cerebrovascular effects of pentoxifylline following acclimatization to 3,800 m

AR Steele, CA Howe, TD Gibbons… - American Journal …, 2024 - journals.physiology.org
Pentoxifylline is a nonselective phosphodiesterase inhibitor used for the treatment of
peripheral artery disease. Pentoxifylline acts through cyclic adenosine monophosphate …