Journal of Shandong University (Health Sciences) ›› 2020, Vol. 58 ›› Issue (9): 8-13.doi: 10.6040/j.issn.1671-7554.0.2020.0266

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Effects of PPARγ agonist rosiglitazone on the differentiation of beige adipocytes in 24 obese individuals

LI Han1,2, FU Tingting1,2, ZHANG Lei3, YAN Bing3, SUN Tao4, GUO Feng5, YIN Xiao1   

  1. 1.Department of Endocrinology, Jinan Central Hospital Affiliated to Shandong University, Jinan 250013, Shandong, China;
    2. Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong, China;
    3. Department of Gastrointestinal Surgery, Jinan Central Hospital Affiliated to Shandong University, Jinan 250013, Shandong, China;
    4. Department of Thyroid Surgery, Jinan Central Hospital Affiliated to Shandong University, Jinan 250013, Shandong, China;
    5. Department of Urology, Jinan Central Hospital Affiliated to Shandong University, Jinan 250013, Shandong, China
  • Online:2020-09-10 Published:2020-08-30

Abstract: Objective To investigate the effects of peroxisome proliferators-activated receptor γ(PPARγ)agonist, rosiglitazone, on the browning process of white adipose tissues from obese patients, so as to provide possible treatment for obesity. Methods The subcutaneous white adipose tissues were collected from 24 obese patients who underwent selective operation. The adipose-derived stem cells(ADSCs)were isolated and induced to differentiate into mature adipocytes, which were then divided into control group, Rosi-1 group(1 μmol/L rosiglitazone), and Rosi-2 group(2 μmol/L rosiglitazone). The expressions of uncoupling protein 1(UCP1)and beige adipocytespecific thermogenic genes were detected with Western blotting and real time qRT-PCR. Lipolysis was analyzed using colorimetric assay. Results With rosiglitazone treatment, the adipocytes in Rosi-1 and Rosi-2 groups exhibited multi-nodular lipid droplets, higher expression of UCP1(t=23.12, P<0.01; t=7.35, P<0.01), and higher expressions of beige adipocyte specific thermogenic genes, including UCP1(t=2.63, P=0.03; t=9.86, P<0.01), PPARγ(t=2.8, P=0.02; t=11.06, P<0.01)and PRDM16(t=2.65, P=0.02; t=12.85, P<0.01). Rosi-1 group(t=2.76, P=0.02)and Rosi-2 group(t=5.83, P<0.01)showed increased lipolysis compared with control group. Conclusion PPARγ agonists can enhance the differentiation of beige adipocytes in white adipose tissues in obese patients and induce the browning process of white adipose tissues. The development of PPARγ agonists which have effects on adipose tissues may provide new path for the treatment of obesity.

Key words: Obesity, Peroxisome proliferators-activated receptor γ agonist, White adipose tissue, Browning, Subcutaneous adipose tissue

CLC Number: 

  • R589.2
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