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Decreased of BAFF-R expression and B cells maturation in patients with hepatitis B virus-related hepatocellular carcinoma 被引量:1
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作者 Apichaya Khlaiphuengsin Natthaya Chuaypen +4 位作者 Pimpayao Sodsai Supranee Buranapraditkun tadech boonpiyathad Nattiya Hirankarn Pisit Tangkijvanich 《World Journal of Gastroenterology》 SCIE CAS 2020年第20期2645-2656,共12页
BACKGROUND Recent evidence has indicated the role of B cells and B cell-activating factor(BAFF)in the development of hepatocellular carcinoma(HCC).AIM To characterize circulating BAFF receptor expression and B cell su... BACKGROUND Recent evidence has indicated the role of B cells and B cell-activating factor(BAFF)in the development of hepatocellular carcinoma(HCC).AIM To characterize circulating BAFF receptor expression and B cell subpopulations in patients with hepatitis B virus(HBV)-related HCC.METHODS Peripheral blood samples collected from 41 patients with chronic HBV infection(25 patients without HCC and 16 patients with HCC)and 9 healthy controls were assessed for BAFF receptors[BAFF-R(B cell-activating factor receptor),transmembrane activator and cyclophilin ligand interactor,B-cell maturation antigen]and B cell subpopulations by multicolor flow cytometry.RESULTS The frequency of BAFF-R expressing B cells to total B cells was significantly lower in patients with HCC(3.39%±2.12%)compared with the non-HCC group(5.37%±1.90%)and healthy controls(6.23%±2.32%),whereas there was no difference in transmembrane activator and cyclophilin ligand interactor and Bcell maturation antigen.The frequencies of CD27+Ig D+memory B cells,CD27+Ig Dclass-switched memory B cells and plasmablasts were significantly lower in the patients with HCC compared to patients without HCC(1.23±1.17 vs 3.09±1.55,P=0.001,0.60±0.44 vs 1.69±0.86,P<0.0001 and 0.16±0.12 vs 0.37±0.30,P=0.014,respectively).However,the ratio of na?ve and transitional B cell did not differ significantly between the three groups.In addition,decreased BAFF-R expression on B cells was significantly correlated with large tumor size and advanced tumor stage.CONCLUSION Our data demonstrated BAFF-R expression was reduced in B cells that involved with the frequencies of B cells maturation in patients with HCC.The depletion of BAFF-R might play an important role in the development of HCC in patients with chronic HBV infection. 展开更多
关键词 B cells Hepatitis B virus Hepatocellular carcinoma B cell-activating factor receptor
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