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Aerosp Med Hum Perform ; 94(6): 485-487, 2023 Jun 01.
Article in English | MEDLINE | ID: mdl-37194178

ABSTRACT

INTRODUCTION: An episode of prolonged exposure to high altitude can cause hypoxia and have significant health consequences. In people with a high-altitude disorder, the body reacts by producing a protein called hypoxia-inducible factor (HIF), which triggers a series of physiological changes and serves a central role in the hypoxia response. Its activity is regulated by the oxygen-dependent degradation of the HIF-1α protein (HIF-1A gene). Therefore, the effects of low oxygen tension in high altitude were explored using fluorescent sensors of hypoxia.METHODS: The development of the sensor provided more sensitivity for detecting hypoxia by generating a calibration of optimized parameters such as reagent concentrations, reagent volumes, and device dimensions.RESULTS: There is a high sensitivity and specificity in detecting the changes of HIF-1α protein hypoxia using the feasibility hypoxia test. This would enable point-of-care (POC) testing and individual self-administration, resulting in faster and more accurate results that can be used for a robust diagnostic approach and enhanced health surveillance, particularly in high-altitude exposure.Shaharuddin S, Rahman NMANA, Masarudin MJ, Alamassi MN, Saad FFA. HIF-1 sensor in detecting hypoxia tolerance at high altitude. Aerosp Med Hum Perform. 2023; 94(6):485-487.


Subject(s)
Altitude , Hypoxia-Inducible Factor 1 , Humans , Hypoxia/diagnosis , Hypoxia/metabolism , Oxygen
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