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Are we prematurely predicting acute mountain sickness?
Exp Physiol
January 2025
Integrative Cerebrovascular and Environmental Physiology SB Laboratory, University of Guelph, Guelph, Ontario, Canada.
Nocturnal pulse oxygen saturation dynamics at simulated high altitude: Predictive value for acute mountain sickness in healthy men born pre-term.
Exp Physiol
January 2025
Department for Automatics, Biocybernetics and Robotics, Jožef Stefan Institute, Ljubljana, Slovenia.
The physiological sequelae of pre-term birth might influence the responses of this population to hypoxia. Moreover, identifying variables associated with development of acute mountain sickness (AMS) remains a key practically significant area of altitude research. We investigated the effects of pre-term birth on nocturnal oxygen saturation ( ) dynamics and assessed the predictive potential of nocturnal -related metrics for morning AMS in 12 healthy adults with gestational age < 32 weeks (pre-term) and 12 term-born control participants.
View Article and Find Full Text PDFDesign, Synthesis, and In Vitro Evaluation of Aromatic Sulfonamides as Human Carbonic Anhydrase I, II, IX, and XII Inhibitors and Their Antioxidant Activity.
J Biochem Mol Toxicol
January 2025
Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Guwahati, India.
This study is focused on the design, synthesis, and evaluation of some sulfonamide derivatives for their inhibitory effects on human carbonic anhydrase (hCA) enzymes I, II, IX, and XII as well as for their antioxidant activity. The purity of the synthesized molecules was confirmed by the HPLC purity analysis and was found in the range of 93%-100%. The inhibition constant (K) against hCA I ranged from 0.
View Article and Find Full Text PDFBackground: Due to environmental hypoxia on the high-altitude local residents often exhibit a compensative increase in hemoglobin concentration to maintain the body's oxygen supply. In certain people, the number of red blood cells continues to grow, resulting in high altitude polycythemia (HAPC) which is characterized by headache, disorientation, sleeplessness, and bone discomfort. HAPC is often associated with multiple complications, of which lower extremity arteriosclerosis obliterans (LEASO) is rare.
View Article and Find Full Text PDFAldose Reductase: A Promising Therapeutic Target for High-Altitude Pulmonary Edema.
Int J Mol Sci
January 2025
Key Laboratory for Molecular Genetic Mechanisms and Intervention Research on High Altitude Disease of Tibet Autonomous Region, School of Medicine, Xizang Minzu University, Xianyang 712082, China.
The Qinghai-Tibet Plateau, famously known as the "Roof of the World", has witnessed a surge in individuals traveling or working there. However, a considerable percentage of these individuals may suffer from acute mountain sickness (AMS), with high-altitude pulmonary edema (HAPE) being a severe and potentially life-threatening manifestation. HAPE disrupts the balance of intrapulmonary tissue fluid, resulting in severe lung function impairment.
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