Results 1 to 10 of about 2,849,596 (321)

Effects of Hypoxemia by Acute High-Altitude Exposure on Human Intestinal Flora and Metabolism [PDF]

open access: goldMicroorganisms, 2023
This study examined the effects of hypoxemia caused by acute high-altitude hypoxia (AHAH) exposure on the human intestinal flora and its metabolites. The changes in the intestinal flora, metabolism, and erythropoietin content in the AHAH population under altitude hypoxia conditions were comprehensively analyzed using 16S rRNA sequencing, metabonomics ...
Ping Qi   +4 more
openalex   +4 more sources

Effects of Ascent to High Altitude on Human Antimycobacterial Immunity [PDF]

open access: goldPLoS ONE, 2013
عدوى السل والمرض والوفيات كلها أقل شيوعًا عند الارتفاعات العالية من الارتفاعات المنخفضة وكان الصعود إلى الارتفاعات العالية موصى به تاريخيًا للعلاج. الآليات المناعية والفطرية الكامنة وراء الارتباط بين الارتفاع والسل غير واضحة. درسنا آثار الارتفاع على المتفطرات والمناعة المضادة للبكتيريا.
Sarah Eisen   +11 more
openalex   +10 more sources

Recent Observations of Human-induced Asymmetric Effects on Climate in Very High-Altitude Area

open access: goldPLoS ONE, 2014
Like urban heat islands (UHI), human-induced land degradation (HLD) is a phenomenon attributed to human activities, but this phenomenon occurs in non-urban areas. Although a large body of work has demonstrated that land-cover change influences local climate systems, little work has been done on separating the impact of HLD from naturally-occurring ...
Siqi Lu, Guifang Liu
openalex   +6 more sources

Effects of High Altitude on Lipid Components of Human Serum

open access: closedExperimental Biology and Medicine, 1968
SummarySerum lipid components were measured in eight male subjects exposed to an altitude of 14,000 feet for 14 days. Concentrations of total lipids rapidly decreased after the third day of exposure and a similar, although less pronounced decrease was observed in cholesterol levels.
George J. Klain, John P. Hannon
openalex   +4 more sources

The effect of high-altitude on human skeletal muscle energetics: P-MRS results from the Caudwell Xtreme Everest expedition. [PDF]

open access: yesPLoS ONE, 2010
Many disease states are associated with regional or systemic hypoxia. The study of healthy individuals exposed to high-altitude hypoxia offers a way to explore hypoxic adaptation without the confounding effects of disease and therapeutic interventions ...
Lindsay M Edwards   +11 more
doaj   +10 more sources

Gut microbiota modulates lung gene expression and metabolism to aid SD rats in adapting to low-pressure hypoxia [PDF]

open access: yesMicrobiology Spectrum
Hypoxia has long posed a serious threat to the health of both animals and humans, causing respiratory acidosis, metabolic disorders, systemic inflammation, oxidative stress damage, and other issues, thereby endangering life and limiting development in ...
Zheng Chen   +8 more
doaj   +2 more sources

Urine metabolite profiling in Indian males exposed to high-altitude: a longitudinal pilot study [PDF]

open access: yesScientific Reports
People who visit high-altitude for research and development work, pilgrimage, recreational purposes and deployments are exposed to different environmental conditions such as low temperature and atmospheric pressure, leading to hypoxia, high radiation ...
Manisha Kumari   +8 more
doaj   +2 more sources

The Effects of Acute High Altitude Exposure and Arterial Blood Gas Manipulation on Neurovascular Coupling in Healthy Humans

open access: bronzeThe FASEB Journal, 2021
Jack K. Leacy   +13 more
openalex   +2 more sources

Disparities in COVID-19 incidence and fatality rates at high-altitude [PDF]

open access: yesPeerJ, 2023
Background SARS-CoV-2 has affected every demography disproportionately, including even the native highland populations. Hypobaric-hypoxic settings at high-altitude (HA, >2,500 masl) present an extreme environment that impacts the survival of permanent ...
Bilal Ahmed Abbasi   +3 more
doaj   +2 more sources

Faculty Opinions recommendation of Effects of ascent to high altitude on human antimycobacterial immunity.

open access: bronzeFaculty Opinions – Post-Publication Peer Review of the Biomedical Literature, 2014
Erik R. Swenson
openalex   +2 more sources

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