102 results found
    1. Medicine
    2. Immunology and Inflammation

    HIF-1α regulates IL-1β and IL-17 in sarcoidosis

    Jaya Talreja, Harvinder Talwar ... Lobelia Samavati
    Sarcoidosis, a granulomatous disease characterized by macrophage and T-cell activation, is found to be associated with increased HIF-1α transcriptional activity, and modulation of HIF-1α regulates inflammatory immune responses.
    1. Cell Biology

    HIF-1α is required for disturbed flow-induced metabolic reprogramming in human and porcine vascular endothelium

    David Wu, Ru-Ting Huang ... Gökhan M Mutlu
    Hemodynamic forces regulate endothelial cell metabolism, which in turn regulates endothelial inflammation.
    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. Cancer Biology
    2. Cell Biology

    TIPE drives a cancer stem-like phenotype by promoting glycolysis via PKM2/HIF-1α axis in melanoma

    Maojin Tian, Le Yang ... Peiqing Zhao
    The TIPE/PKM2/HIF-1α signaling pathway plays a crucial role in enhancing cancer stem cell properties by facilitating glycolysis, thereby presenting a promising therapeutic target for melanoma intervention.
    1. Cell Biology
    2. Immunology and Inflammation

    HIF-1α induces glycolytic reprograming in tissue-resident alveolar macrophages to promote cell survival during acute lung injury

    Parker S Woods, Lucas M Kimmig ... Gökhan M Mutlu
    Transcriptomic and bionergetic analysis shows the importance of HIF-1α activation in enabling tissue-resident alveolar macrophages to perform glycolytic metabolism, which prevents their death and attenuates influenza A virus-induced acute lung injury.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    MYC overrides HIF-1α to regulate proliferating primary cell metabolism in hypoxia

    Courtney A Copeland, Benjamin A Olenchock ... William M Oldham
    Hypoxia does not increase glycolysis in proliferating primary cells and antagonizes the increase in glycolysis caused by activation of hypoxia-inducible factor in normoxia, in part, through activation of MYC signaling pathways.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    Mechanisms governing target search and binding dynamics of hypoxia-inducible factors

    Yu Chen, Claudia Cattoglio ... Xavier Darzacq
    Live-cell single particle tracking reveals the intrinsically disordered regions of transcription factors playing an unanticipated role in the nuclear search and chromatin binding process leading to functional target site selectivity and gene activation.
    1. Cell Biology

    Alternative Splicing: A new role for Hif-1α

    Mingyu Shin, Jiwon Shim
    A gene normally involved in responding to hypoxia helps to protect insect muscles during migratory flight in a non-oxygen dependent manner.
    Version of Record
    Insight
    1. Cell Biology

    Bmal1 integrates mitochondrial metabolism and macrophage activation

    Ryan K Alexander, Yae-Huei Liou ... Chih-Hao Lee
    Macrophage Bmal1 controls the timing of the glycolytic to oxidative metabolism transition that dictates the extent of Hif-1a activation and the associated inflammatory response.
    1. Microbiology and Infectious Disease

    Salmonella-induced SIRT1 and SIRT3 are crucial for maintaining the metabolic switch in bacteria and host for successful pathogenesis

    Dipasree Hajra, Raju S Rajmani ... Dipshikha Chakravortty
    SIRT1 and SIRT3-mediated immunometabolic shift governs intracellular Salmonella proliferation both in vitro and in vivo and dissemination in mice, thereby influencing the infection outcomes.

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