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幽门螺杆菌是一种广泛定植于人胃黏膜的革兰阴性菌，与慢性胃炎、消化性溃疡、胃癌的发生密切相关，其可通过多种毒力因子逃避宿主的免......

AIM: To construct and select antigen epitopes of vacuolating cytotoxin A (VacA) for nontoxic VacA vaccine against Helico......

目的　揭示球形幽门螺杆菌致细胞空泡变性毒力的变异情况。方法　采用延期培养和加亚抑菌浓度抗生素，对细胞毒相关蛋白基因阳性(cag......