Chronic Hypoxia Exposure
Chronic Hypoxia Exposure - Related Videos
02:40
Induction and Evaluation of Depression in Mice Through Chronic Stress Exposure
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2025
Source: Yan, Z., et al. Evaluating the Anti-depression Effect of Xiaoyaosan on Chronically-stressed Mice. J. Vis. Exp. (2019).The video demonstrates the process of establishing a mouse model of chronic stress-induced depression and assessing depressive behaviors. The chronic application of various stressors triggers the release of corticosterone, leading to neuronal over-excitation and eventual neuronal death, which results in depression-like symptoms in the mice.
08:17
Generation of a Chronic Obstructive Pulmonary Disease Model in Mice by Repeated Ozone Exposure
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Cited by 7 •
2017
This study describes the successful generation of a new chronic obstructive pulmonary disease (COPD) animal model by repeatedly exposing mice to high concentrations of ozone.
03:20
Studying Chronic Exposure of Mice to Ultraviolet B Radiation
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Cited by 1 •
2025
The protocol describes a study of the systemic and local skin effects of Ultraviolet B exposure in mice.
07:48
Glutamate and Hypoxia as a Stress Model for the Isolated Perfused Vertebrate Retina
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Cited by 16 •
2015
With this study, we introduce a standardized stress model for the isolated superfused bovine retina for future preclinical therapeutic testing. The effect of either hypoxia (pure N2) or glutamate stress (250 µM glutamate) on retinal function represented by a- and b-wave amplitudes was evaluated.
07:01
Induction and Testing of Hypoxia in Cell Culture
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Cited by 247 •
2011
Here we propose simple methods to induce hypoxia in cell cultures and simple tests to evaluate the hypoxic status of the cultures.
FAQs
Under limited oxygen, HIF proteins avoid the oxygen-dependent degradation that would normally prevent their accumulation. As HIF levels rise, they activate genes coordinating erythropoiesis, angiogenesis, metabolism, and vascular regulation. This mechanism connects oxygen availability to coordinated cellular and physiological adaptation, rather than treating low oxygen as an isolated local stimulus.
Responses can be examined across the lungs, heart, brain, and other tissues, because altered oxygen availability reshapes both cell function and organismal physiology. Comparing these sites helps connect the HIF-driven oxygen-sensing program with tissue-level outcomes, including vascular regulation and the broader adaptations associated with sustained oxygen limitation.
A prolonged interval focuses investigation on sustained responses to altered oxygen availability. This perspective helps researchers examine how oxygen sensing influences continuing changes in gene activity, cell function, and organismal physiology. It also makes chronic models relevant to biological conditions in which adaptation or dysfunction develops over an extended period rather than immediately.
Researchers can establish a controlled chronic hypoxia exposure model, maintain the condition for a prolonged period, and then examine responses in selected tissues. The workflow is useful for linking the imposed oxygen limitation to HIF accumulation, gene activation, and changes in cell function or organismal physiology across organs.
The approach supports studies of high-altitude adaptation and investigations of hypoxia-related diseases. In particular, it provides biological context for examining pulmonary hypertension and tumor progression. These applications use controlled oxygen limitation to explore how the same oxygen-sensing and adaptive processes may contribute to either physiological adjustment or disease-associated changes.
Results can show how altered oxygen availability engages oxygen sensing and adaptation in particular tissues, while also revealing changes in cell function and organismal physiology. In disease-oriented studies, the model provides context for examining pulmonary hypertension and tumor progression, connecting experimental oxygen limitation with biologically relevant pathological processes.