Adipogenic Impairment of Adipose Tissue-Derived Mesenchymal Stem Cells in Subjects With Metabolic Syndrome: Possible Protective Role of FGF2.

Early human evidence such as case series or small samples is exploring possible benefits.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

The decreased expansion capacity of adipose tissue plays a crucial role in the onset of disorders associated with metabolic syndrome. The aim of this study was to examine the state of adipose tissue-derived mesenchymal stem cells (ASCs) from obese subjects with different metabolic profiles. This was a 2-year study to enroll subjects who underwent bariatric surgery or cholecystectomy. University Hospital. Patients who underwent either bariatric surgery (20 morbidly obese) or cholecystectomy (40 subjects) participated in the study. ASCs were obtained from both visceral and subcutaneous adipose tissue. Adipogenic, fibrotic gene expression was quantified by quantitative polymerase chain reaction; Smad7 and fibroblast growth factor 2 were quantified by western blotting and enzyme-linked immunosorbent assay, respectively. The susceptibility of ASCs to apoptosis, their population doubling time, and their clonogenic potential were evaluated. The worsening metabolic profile of the patients was accompanied by a decrease in the intrinsic levels of adipogenic gene expression, reduced proliferation rate, clonogenic potential, and exportation of fibroblast growth factor 2 to the cell surface of the ASCs derived from both tissues. In addition, the ASCs from patients without metabolic syndrome showed differences in susceptibility to apoptosis and expression of TGFβ-signaling inhibitory protein

Evidence level

Early human evidence such as case series or small samples is exploring possible benefits.

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