What are the possible cues that induce differentiation of preadipocytes to adipocytes?

Updated: Jun 09, 2021
  • Author: Osama Hamdy, MD, PhD; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Another area of active research is investigation of the cues for the differentiation of preadipocytes to adipocytes. The recognition that this process occurs in white and brown adipose tissue, even in adults, has increased its potential importance in the development of obesity and the relapse to obesity after weight loss.

Among the identified elements in this process are the following transcription factors:

  • Peroxisome proliferator-activated receptor–gamma (PPAR-gamma)

  • Retinoid-X receptor ligands

  • Perilipin

  • Adipocyte differentiation–related protein (ADRP)

  • CCAAT/enhancer-binding proteins (C/EBP) alpha, beta, and delta

PPAR-gamma agonists increase the recruitment, proliferation, and differentiation of preadipocytes (healthy fat) and cause apoptosis of hypertrophic and dysfunctional adipocytes (including visceral fat). This results in improved fat function and improved metabolic parameters associated with excessive fat–related metabolic diseases (EFRMD), including type 2 diabetes mellitus, hypertension, and dyslipidemia. [63]

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