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Effects of transarterial chemoembolization on regulatory T cell and its subpopulations in patients with hepatocellular carcinoma

Authors
 Hana Park  ;  Jae Hyung Jung  ;  Min Kyung Jung  ;  Eui-Cheol Shin  ;  Simon Weonsang Ro  ;  Jeon Han Park  ;  Do Young Kim  ;  Jun Yong Park  ;  Kwang-Hyub Han 
Citation
 HEPATOLOGY INTERNATIONAL, Vol.14(2) : 249-258, 2020-03 
Journal Title
 HEPATOLOGY INTERNATIONAL 
ISSN
 1936-0533 
Issue Date
2020-03
Keywords
Hepatocellular carcinoma ; Regulatory T cell ; Transarterial chemoembolization ; Treg
Abstract
Background: Regulatory T cell (Treg) plays an essential role in regulating anti-tumor immunity. The aim of this study was to investigate the effect of transarterial chemoembolization (TACE) on Treg in hepatocellular carcinoma (HCC) patients. Method: The frequency of peripheral blood Tregs in 27 HCC patients who underwent TACE were measured at baseline and 1 month after TACE. The frequency of peripheral blood Tregs at baseline were compared with those in 23 healthy controls. Tregs were further classified into three subpopulations [Treg (I), Treg (II), Treg (III)] based on expression levels or markers and their function. The patients were divided into two groups according to tumor response after TACE; complete response group and incomplete response group. The correlations between the frequency of Treg and clinical factors were analyzed. Results: The frequency of Treg in HCC patients (7.52%) was significantly higher than in healthy controls (4.99%) at baseline. Regarding Treg subpopulations, the frequency of Treg (II) was significantly higher in HCC patients (2.51%) than in healthy controls (0.60%). In comparison of Treg numbers at baseline and post-TACE by tumor response, the change of Treg (III) in complete response group from baseline to post-TACE was significantly decreased (63.8 → 53.2/mm3). Patients with a high post-TACE Treg (III) (3.8 months) exhibited a significantly shorter median time to progression than those with a low post-TACE Treg (III) (11.6 months). In multivariate analyses, hypoalbuminemia (hazard ratio 3.324; 95% CI 1.098-10.063, p = 0.034) and high post-TACE Treg (III) (hazard ratio 3.080; 95% CI 1.091-8.696, p = 0.034) were significant factors for associating with progression. Conclusions: The frequency of Tregs in HCC patients was significantly higher than in healthy controls. In addition, patients with a high post-TACE Treg (III) exhibited a significantly lower progression-free survival rate than those with a low post-TACE Treg (III).
Full Text
https://link.springer.com/article/10.1007%2Fs12072-020-10014-4
DOI
10.1007/s12072-020-10014-4
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Microbiology (미생물학교실) > 1. Journal Papers
5. Research Institutes (연구소) > Institute of Gastroenterology (소화기병연구소) > 1. Journal Papers
Yonsei Authors
Kim, Do Young(김도영)
Ro, Simon Weonsang(노원상) ORCID logo https://orcid.org/0000-0003-2187-3698
Park, Jeon Han(박전한) ORCID logo https://orcid.org/0000-0001-9604-3205
Park, Jun Yong(박준용) ORCID logo https://orcid.org/0000-0001-6324-2224
Han, Kwang-Hyub(한광협) ORCID logo https://orcid.org/0000-0003-3960-6539
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/179072
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