Molecular and cellular mechanisms of adipogenesis
2015
Alexander Dmitrievich Egorov | Dmitry Nikolaevich Penkov | Vsevolod Arsen'evich Tkachuk
The main components of metabolic syndrome include insulin resistance, hypertriglyceridemia and arterial hypertension. Obesity is the cause of metabolic syndrome, mainly as a consequence of the endocrine function of adipose tissue. The volume of adipose tissue depends on the size of individual adipocytes and on their number. The number of adipocytes increases as a result of enhanced adipocyte differentiation. The transcriptional cascade that regulates this differentiation has been well studied. The major adipogenic transcription factor peroxisome proliferator-activated receptor gamma is a ligand-activated nuclear receptor with essential roles in adipogenesis. Its ligands are used to treat metabolic syndrome and type 2 diabetes mellitus. . The present article describes the basic molecular and cellular mechanisms of adipogenesis and discusses the impact of insulin, glucocorticoids, cyclic adenosine monophosphate-activating agents, nuclear receptors and transcription factors on the process of adipogenesis. New regulatory regions of the genome that are capable of binding multiple transcription factors are described, and the most promising drug targets for the treatment of metabolic syndrome and obesity, including the homeodomain proteins Pbx1 and Prep1, are discussed..
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