Sci Rep:泌尿道和胆道上皮细胞对埃及血吸虫和曼氏血吸虫虫卵的不同响应研究

2019-08-04 AlexYang MedSci原创

慢性泌尿生殖道血吸虫病能够导致膀胱鳞状细胞癌。国际癌症研究机构将感染的血链球菌归为一类致癌物,并且是导致癌症的一个明确原因。相反,由于慢性感染与肝门脉周围纤维化相关的曼氏血吸虫或者日本血吸虫导致的肝肠血吸虫病却不能明显的导致恶性肿瘤的产生。最近,有研究人员调查了来自于正常膀胱上皮的HCV29培养人类上皮细胞以及来自胆管的培养人类上皮细胞H69对血吸虫和曼氏血吸虫虫卵的响应情况。研究人员将血吸虫卵与

慢性泌尿生殖道血吸虫病能够导致膀胱鳞状细胞癌。国际癌症研究机构将感染的血链球菌归为一类致癌物,并且是导致癌症的一个明确原因。相反,由于慢性感染与肝门脉周围纤维化相关的曼氏血吸虫或者日本血吸虫导致的肝肠血吸虫病却不能明显的导致恶性肿瘤的产生。最近,有研究人员调查了来自于正常膀胱上皮的HCV29培养人类上皮细胞以及来自胆管的培养人类上皮细胞H69对血吸虫和曼氏血吸虫虫卵的响应情况。

研究人员将血吸虫卵与人类细胞共培养,并进行了实时的控制,并对致瘤基因的表达、上皮间质转化和细胞凋亡途径进行了调查。研究人员发现,血吸虫卵能够促进上皮细胞的增殖,但一直胆管细胞的生长。另外,肿瘤抑制子P53在细胞接触血吸虫卵是表达显著下调,并且当接触埃及血吸虫卵时,雌激素受体表达量下调。

最后,研究人员指出,细胞增殖响应受不同来源的上皮细胞影响,还收血吸虫种类的影响。

原始出处:

Rafael Nacif-Pimenta, Alessandra da Silva Orfanó, Ilana A. Mosley et al. Differential responses of epithelial cells from urinary and biliary tract to eggs of Schistosoma haematobium and S. mansoni. Sci Rep. 24 Jul 2019

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    2019-09-03 lifestar
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    2019-08-06 ylz8404
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