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    Cell Mol Life Sci. 2005 Mar;62(6):642-52.

    Leptin receptor action and mechanisms of leptin resistance.

    Münzberg H, Björnholm M, Bates SH, Myers MG Jr.

    Source

    Division of Metabolism, Endocrinology and Diabetes, Departments of Internal Medicine and Molecular and Physiology, University of Michigan Medical School, 1150 W. Medical Center Dr., 4301 MSRB 3, Box 0638, Ann Arbor, Michigan, 48109-0638, USA.

    Abstract

    The adipose tissue-derived hormone leptin regulates energy balance and neuroendocrine function. Resistance to the appetite-suppressing effects of leptin is associated with common forms of obesity. Here, we review the mechanisms by which leptin activates intracellular signals and the roles that these signals play in leptin action in vivo. Furthermore, we discuss potential mechanisms of leptin resistance, specifically focusing on data regarding the neuroanatomical locus of leptin resistance and potential mechanisms by which expression of the suppressor of cytokine signaling-3 may impair leptin action.

    PMID:
    15770417
    [PubMed - indexed for MEDLINE]

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