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摘要
对常规抗肿瘤治疗的耐药性和晚期实体瘤患者的缺氧是常规抗肿瘤治疗失败的两个主要原因。因此,寻找一种新的治疗方法来克服这些问题是很重要的。一种减毒的厌氧菌,新梭菌- nt,可以靶向肿瘤缺氧和坏死区域,引起肿瘤溶解并刺激宿主抗肿瘤免疫反应。据我们所知,细菌抗肿瘤治疗与化疗、放疗和免疫治疗相结合,可能会促进肿瘤消退,抑制转移,为实体瘤的治疗开辟新的策略。然而,联合治疗的可能分子机制仍然是最大的挑战。本文综述了细菌性癌症治疗的历史和一种非致死性新梭状芽孢杆菌的发展。以下是实体瘤组织缺氧条件的精确定义。为了了解新梭状芽孢杆菌孢子的抗癌作用,总结了新梭状芽孢杆菌孢子在肿瘤组织中萌发后分泌的磷脂酶C (nt01cx0979)可能的细胞死亡机制。本文综述了新梭菌-NT孢子在刺激宿主免疫系统引起抗肿瘤反应中的作用。然后,对基于新梭菌- NT孢子的抗肿瘤联合治疗的结果进行汇总。确定Clostridium novyi-NT治疗肿瘤和诱导侵袭性癌细胞细胞死亡并最终导致肿瘤消退的分子机制,可能为实体肿瘤的联合治疗制定有希望的临床策略。
关键词: 溶瘤菌,缺氧,实体瘤,新梭菌,磷脂酶C,肿瘤消退。
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