Due to absence of clinical manifestations of hormonal hyper secretion, the treatment of Nonfunctioning pituitary adenoma (NFPA) was always delayed. PTTG1 was reported to be overexpressed in most of pituitary tumors, however, the polymorphism of PTTG1 rs1895320, rs2910200 and rs6882742 with NFPA were still not fully elucidated in NFPA. Thus, a hospital based case control study which included 79 patients and 142 healthy control participants were conducted. DNA was extracted from peripheral blood samples and genotyped by Mass Array methods. In addition, a meta-analysis of rs2910200 was also employed to further testify the conclusion. Significant difference were observed between patients and healthy controls under rs2910200 locus between allelic genotype (p = 0.0219). However, no other significant difference was observed in rs1895329 and rs6882742. In addition, a logistic regression analysis showed that the dominant model of rs2910200 were closely correlated with the NFPA susceptibility (OR = 1.951, 95% CI:1.075–3.542, p = 0.028). While no significant difference was observed in the rs1895320 and rs6882742 under dominant model, recessive model and additive model The meta-analysis results showed that the dominant model and heterozygote model can significantly increase the risk of PA (p = 0.007, OR = 1.57, 95% CI:1.14–2.18; p = 0.009, OR = 1.57, 95% CI:1.12–2.19). Whereas no significant difference were observed under the homozygous model and recessive model. In conclusion, the polymorphism of PTTG1 rs2910200 dominant model and T allelic might increase the risk of NFPA.
Non functioning pituitary adenoma Tumor PTTG1 Polymorphism Genotype
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China Postdoctoral Science Foundation (grant number: 2017 M620700) Beijing Municipal Administration of Hospitals’ Youth Program (grant number: QML20170703); The Fundamental Research Funds for the Central Universities-Beijing University of Chinese Medicine Youth Teachers Program (grant number: 2018-JYBZZ-JS006); Nature Science Foundation of Capital Medical University(grant number: PYZ2017115).
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