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已发表论文
PGC-1α 对恶性子宫内膜癌细胞的增殖和能量代谢的影响
Authors Ren Z, Yang H, Wang C, Ma X
Published Date April 2015 Volume 2015:8 Pages 769—774
DOI http://dx.doi.org/10.2147/OTT.S79960
Received 29 December 2014, Accepted 25 February 2015, Published 9 April 2015
Background: It is well known that peroxisome proliferator-activated receptor gamma
coactivator-1 alpha (PGC-1α) plays an important role in tissue energy
metabolism. However, the roles of PGC-1α in malignant endometrial cancer remain
unknown.
Methods: Forty cases of endometrial carcinoma, 15 cases with proliferative endometrial tissues, and 21 cases with normal endometrial tissues were collected. Real-time polymerase chain reaction was used to detect the mRNA levels of PGC-1α and estrogen-related receptor gamma (ERRγ). ELISA (enzyme-linked immunosorbent assay) was used to detect the concentrations of pyruvate kinase and isocitrate dehydrogenase. The results were analyzed using medical statistical methods.
Results: The mRNA levels of PGC-1α and ERRγ in the endometrial carcinoma tissues and hyperplasic endometrial tissues were significantly greater than those in the normal endometria. The mRNA levels of PGC-1α and ERRγ in the endometrial carcinoma patients with type 2 diabetes were higher than those in patients without diabetes. The mRNA levels of PGC-1α and ERRγ in the endometrial adenocarcinomas increased with clinical staging, depth of myometrial invasion, and increases in the number of metastatic lymph nodes. The PGC-1α mRNA level was positively correlated with ERRγ in the endometrial carcinoma tissues. The mRNA levels of PGC-1α were positively correlated with the concentrations of pyruvate kinase and isocitrate dehydrogenase in the endometrial carcinoma tissues, and similar results were found for ERRγ.
Conclusion: Our results suggested that the upregulation of PGC-1α and ERRγ in endometrial cancer might be a requirement for cancer cell energy metabolism, which contributes to the development of endometrial cancer.
Keywords: endometrial cancer, peroxisome proliferator-activated receptor gamma coactivator-1 alpha, estrogen-related receptor gamma, energy metabolism
Methods: Forty cases of endometrial carcinoma, 15 cases with proliferative endometrial tissues, and 21 cases with normal endometrial tissues were collected. Real-time polymerase chain reaction was used to detect the mRNA levels of PGC-1α and estrogen-related receptor gamma (ERRγ). ELISA (enzyme-linked immunosorbent assay) was used to detect the concentrations of pyruvate kinase and isocitrate dehydrogenase. The results were analyzed using medical statistical methods.
Results: The mRNA levels of PGC-1α and ERRγ in the endometrial carcinoma tissues and hyperplasic endometrial tissues were significantly greater than those in the normal endometria. The mRNA levels of PGC-1α and ERRγ in the endometrial carcinoma patients with type 2 diabetes were higher than those in patients without diabetes. The mRNA levels of PGC-1α and ERRγ in the endometrial adenocarcinomas increased with clinical staging, depth of myometrial invasion, and increases in the number of metastatic lymph nodes. The PGC-1α mRNA level was positively correlated with ERRγ in the endometrial carcinoma tissues. The mRNA levels of PGC-1α were positively correlated with the concentrations of pyruvate kinase and isocitrate dehydrogenase in the endometrial carcinoma tissues, and similar results were found for ERRγ.
Conclusion: Our results suggested that the upregulation of PGC-1α and ERRγ in endometrial cancer might be a requirement for cancer cell energy metabolism, which contributes to the development of endometrial cancer.
Keywords: endometrial cancer, peroxisome proliferator-activated receptor gamma coactivator-1 alpha, estrogen-related receptor gamma, energy metabolism
