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Sci Rep. 2011;1:81. doi: 10.1038/srep00081. Epub 2011 Sep 2.

Location, location, location: Beneficial effects of autologous fat transplantation.

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Stem cells and Diabetes Section, National Center for Cell Science, Ganeshkhind Road, Pune, MH 411007, India.


Visceral adiposity is a risk factor for cardiovascular disorders, type 2 diabetes mellitus (T2D) and associated metabolic diseases. Sub-cutaneous fat is believed to be intrinsically different from visceral fat. To understand molecular mechanisms involved in metabolic advantages of fat transplantation, we studied a rat model of diet-induced adiposity. Adipokine genes (Adiponectin, Leptin, Resistin and Visfatin) were expressed at 10,000 to a million-fold lower in visceral fat depot as compared to peripheral (thigh/chest) fat depots. Interestingly, autologous transplantation of visceral fat to subcutaneous sites resulted in increased gene transcript abundance in the grafts by 3 weeks post-transplantation, indicating the impact of local (residence) factors influencing epigenetic memory. We show here that active transcriptional state of adipokine genes is linked with glucose mediated recruitment of enzymes that regulate histone methylation. Adipose depots have "residence memory" and autologous transplantation of visceral fat to sub-cutaneous sites offers metabolic advantage.

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