38 results found
    1. Chromosomes and Gene Expression

    Short-term exposure to intermittent hypoxia leads to changes in gene expression seen in chronic pulmonary disease

    Gang Wu, Yin Yeng Lee ... David F Smith
    RNA profiles from lungs of mice exposed to intermittent hypoxia shared similarity with gene expression changes in human lung from patients with pulmonary diseases, including pulmonary hypertension, COPD, and asthma.
    1. Neuroscience

    Acute intermittent hypoxia enhances corticospinal synaptic plasticity in humans

    Lasse Christiansen, MA Urbin ... Monica A Perez
    Acute intermittent hypoxia is a noninvasive approach that enhances corticospinal function in humans, likely through alterations in corticospinal-motoneuronal synaptic transmission.
    1. Medicine

    Intermittent hypoxia mediated by TSP1 dependent on STAT3 induces cardiac fibroblast activation and cardiac fibrosis

    Qiankun Bao, Bangying Zhang ... Guangping Li
    Targeting STAT3 provides a potential therapeutic strategy for obstructive sleep apnea-related fibrotic heart disease mediated by TSP1.
    1. Neuroscience

    Chronic intermittent hypoxia reveals role of the Postinspiratory Complex in the mediation of normal swallow production

    Alyssa D Huff, Marlusa Karlen-Amarante ... Jan-Marino Ramirez
    Glutamatergic–cholinergic neurons in the postinspiratory complex are critical for swallow motor patterning and the coordination of swallow and breathing, which is disrupted by chronic intermittent hypoxia, a condition seen in many disorders associated with dysphagia and aspiration pneumonia.
    1. Neuroscience

    One bout of neonatal inflammation impairs adult respiratory motor plasticity in male and female rats

    Austin D Hocker, Sarah A Beyeler ... Adrianne G Huxtable
    A single neonatal inflammatory event induces long-term impairments in two forms of adult respiratory motor plasticity, an important aspect of the control of breathing for compensation after injury or disease.
    1. Cell Biology

    Non-canonical function of an Hif-1α splice variant contributes to the sustained flight of locusts

    Ding Ding, Jie Zhang ... Le Kang
    The long-distance flight of locusts is greatly facilitated by a muscle-abundantly expressed Hif-1α splice variant, which remains active in normoxia and scavenges flight-induced reactive oxygen species by upregulating the expression of DJ-1 (PARK 7).
    1. Biochemistry and Chemical Biology
    2. Developmental Biology

    The differential regulation of placenta trophoblast bisphosphoglycerate mutase in fetal growth restriction: preclinical study in mice and observational histological study of human placenta

    Sima Stroganov, Talia Harris ... Michal Neeman
    Expression of Bisphosphoglycerate mutase, a key enzyme affecting the release of oxygen from hemoglobin, is augmented in the murine placenta challenged by gestational hypoxia in mice while its expression is attenuated in placenta of human FGR.
    1. Neuroscience

    Localized hypoxia within the subgranular zone determines the early survival of newborn hippocampal granule cells

    Christina Chatzi, Eric Schnell, Gary L Westbrook
    Neural progenitors reside in relative low oxygen in the subgranular zone (SGZ), and the higher tissue oxygen levels that these cells must face as they migrate away from the hypoxic areas and differentiate appear to cause oxidative damage and an early phase of cell death.
    1. Cell Biology
    2. Medicine

    Repression of hypoxia-inducible factor-1 contributes to increased mitochondrial reactive oxygen species production in diabetes

    Xiaowei Zheng, Sampath Narayanan ... Sergiu-Bogdan Catrina
    The repression of HIF-1 plays a central role in mitochondrial reactive oxygen species (ROS) overproduction and subsequent tissue damage in diabetes, which is mediated by increased mitochondrial respiration, making HIF-1 signaling an attractive therapeutic target for diabetes complications.
    1. Cell Biology

    Searching for molecular hypoxia sensors among oxygen-dependent enzymes

    Li Li, Susan Shen ... Steven J Altschuler
    A survey of oxygen-dependent enzymes suggests new candidates for oxygen sensors, expanding potential mechanisms underlying hypoxia-related adaptations or diseases in humans.

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