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23 October 2017

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Int J Med Sci 2015; 12(1):7-16. doi:10.7150/ijms.8352

Research Paper

The Expression Levels of Transcription Factors T-bet, GATA-3, RORγt and FOXP3 in Peripheral Blood Lymphocyte (PBL) of Patients with Liver Cancer and their Significance

Ze-Wei Lin1, Li-Xuan Wu2, Yong Xie1, Xi Ou1, Pei-Kai Tian1, Xiao-Ping Liu1✉, Jun Min3, Jie Wang3, Ru-Fu Chen3, Ya-Jing Chen3, Chao Liu3, Hua Ye3, Qing-Jia Ou3

1. Department of HepatobiliaryLaparoscope-Surgery, Peking University Shenzhen Hospital, Shenzhen, Guangdong, 518036, China;
2. Department of Hepatobiliary Surgery, The Central People Hospital of Huizhou City, Huizhou, Guangdong, China 516001;
3. Department of Hepatobiliary Surgery of Sun Yat-Sen Memorial Hospital Sun Yat-Sen University, Guangzhou, Guangdong, 510120, China.

Abstract

Objectives: To investigate the expression of transcriptional factors (TFs) T-bet, GATA-3, RORγt and FOXP in peripheral blood mononuclear cells (PBMC) of patients with hepatocellular carcinoma (HCC) and to evaluate the correlation between the imbalances of Th1/Th2, Th17/Treg at the expression levels and liver cancer

Methods: The peripheral venous blood was drawn from 20 HCC-patients (HCC-group) and 20 health participants (C-group). The expression levels of Th1, Th2 and Th17 and the major Treg-specific TFs T-bet, GATA-3, RORγt and FOXP3 in the PBMC were measured with quantitative real-time PCR(RT-qPCR).

Results: The mRNA level of Th1-specific TF T-bet in HCC-group was significantly lower than that of C-group (52.34±34.07 VS 104.01±56.00, P<0.01); the mRNA level of Th2-specifc TF, GATA-3, in HCC group was significantly higher than that in C-group (1.38±1.15 VS 0.58±0.65, P<0.05) and T-bet mRNA/GATA-3 mRNA ratio was significantly lower in HCC-group than in C-group (86.01±116.71 VS 461.88±708.81, P<0.05). The mRNA level of Th17-specific TF RORγt in HCC-group was significantly higher than that of C-group (72.32±32.82 VS 33.07±22.86, P<0.01). Treg-specific TF FOXP3 mRNA level was significant higher in HCC-group than in C-group (3.17±1.59 VS 1.39±1.13, P<0.01)

Conclusion: T-bet mRNA level was reduced whereas GATA-3 mRNA level was increased and T-bet/GATA-3 ratio was significantly reduced in PBMC, indicating that Th1/Th2 ratio was of imbalance at TF levels in PBMC of HCC, displaying Th2 thrift phenomena. The mRNA levels of RORγt and FOXP3 in PBMC of HCC were significantly increased, indicating the existence of a predominant phenomenon of Th17- and Treg-expressing PBMC in HCC.

Keywords: RORγt, Th1, Th2, Th17, Treg, Hepatocellular carcinoma (HCC).

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How to cite this article:
Lin ZW, Wu LX, Xie Y, Ou X, Tian PK, Liu XP, Min J, Wang J, Chen RF, Chen YJ, Liu C, Ye H, Ou QJ. The Expression Levels of Transcription Factors T-bet, GATA-3, RORγt and FOXP3 in Peripheral Blood Lymphocyte (PBL) of Patients with Liver Cancer and their Significance. Int J Med Sci 2015; 12(1):7-16. doi:10.7150/ijms.8352. Available from http://www.medsci.org/v12p0007.htm