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Master transcription regulators are regulatory proteins that are predominantly responsible for regulating the expression of multiple genes. Often these genes work in concert to drive a  complex process. Activation of a master transcription regulator can lead to a cascade of transcriptional activation necessary for that outcome. These regulators can directly bind to the regulatory sequences of the various genes involved, or they can indirectly regulate transcription by binding to regulatory...
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[Adipocytic Endogenous Hydrogen Sulfide-Function,Regulation and Diseases].

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    Sheng Li Ke Xue Jin Zhan [Progress in Physiology]
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    Hydrogen sulfide (H2S), produced by adipocytes, is vital for glucose metabolism and fat breakdown. This gas acts as an "energy switch," influencing obesity, diabetes, and cardiovascular disease development.

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    Area of Science:

    • Biochemistry
    • Metabolic diseases
    • Cellular signaling

    Background:

    • Hydrogen sulfide (H2S) is recognized as a novel gas transmitter with significant protective roles in various diseases.
    • Adipocytes endogenously synthesize H2S via cystathionine β-synthase (CBS), cystathionine γ-lyase (CSE), and 3-mercaptopyruvate sulfurtransferase (MPST).

    Purpose of the Study:

    • To elucidate the role of endogenously produced H2S in adipocyte function and its implications in metabolic diseases.
    • To investigate how H2S regulates adipocyte energy metabolism and its potential as a therapeutic target.

    Main Methods:

    • Analysis of H2S production pathways in adipocytes.
    • Investigation of H2S effects on glucose uptake, lipolysis, and adipocyte differentiation.
    • Exploration of H2S regulatory mechanisms involving insulin receptor, PPARγ, and potassium channels.

    Main Results:

    • Endogenous H2S in adipocytes is crucial for glucose uptake, utilization, lipolysis, and differentiation.
    • H2S significantly influences the pathogenesis of obesity, diabetes, and cardiovascular diseases.
    • H2S modulates adipocyte energy metabolism by activating key signaling pathways.

    Conclusions:

    • Hydrogen sulfide acts as a critical "energy switch" in the regulation of metabolic diseases.
    • Targeting endogenous H2S production in adipocytes may offer novel therapeutic strategies for metabolic disorders.