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Gastroenterology:TRPV6突变与慢性胰腺炎

2020-05-19 MedSci原创 MedSci原创

TRPV6突变携带者的非酒精性慢性胰腺炎风险增加

胰腺钙水平的变化影响分泌,可能参与慢性胰腺炎(Cp)的进展。瞬时受体电位阳离子通道亚家族v成员6基因(TRPV6) 编码Ca选择性离子通道,近日研究人员考察了CP与TRPV6之间的关系。
 
研究人员对特发性CP患者以及无CP的患者父母进行全外显子DNA测序,同时在日本招募300名非酒精性CP患者以及1070名一般对照人群进行结果验证,此外研究人员分别从法国和德国招募880名非酒精性CP患者进行验证。通过细胞和小鼠模型考察TRPV6突变对诱导CP的敏感性。
 
CP患者存在TRPV6基因 c.629C>T (p.A210V)和c.970G>A (p.D324N) 突变,该突变导致4.3%的日本CP患者以及0.1%的一般人群TRPV6功能变化(OR=48.4),9.7%的欧洲早期CP患者存在上述突变。欧洲队列中,18名CP患者(2.0%)携带影响TRPV6功能的突变,而对照组中无人携带。TRPV6突变小鼠接受诱导后可导致严重的慢性胰腺炎,临床表现为胰酶水平增加,组织学改变和胰腺纤维化。
 
研究认为,TRPV6突变携带者的非酒精性慢性胰腺炎风险增加。
 
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    2020-07-21 许安
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