阿波基尼因可以通过抗氧化作用减轻自性阻断放射治疗的副作用
Ayca Sezen Us1, Eda Dagsuyu2, Huseyin Us1
1Faculty of Science, Department of Biology, Istanbul University, Vezneciler, Turkey.
放射治疗可以在小肠中引起副作用,但氨酸 (CQ) 可能会增强其抗癌效应. 阿波基尼 (APO) 治疗逆转了辐射诱导的损伤和氧化应激,这表明它具有保护作用.
科学领域:
- 在瘤学瘤学.
- 放射治疗研究 放射治疗研究
- 细胞生物学 细胞生物学
背景情况:
- 放射治疗是一种主要的癌症治疗方法,但癌细胞通过自性抵抗可以限制疗效.
- (CQ) 是一种抗疟疾药物,抑制了自,并可能改善放射治疗的结果.
- 需要进一步研究CQ和放射治疗 (RAD) 对组织,特别是小肠的同时使用的影响.
研究的目的:
- 评估CQ和RAD对小肠组织的影响.
- 调查抗氧化剂阿波辛因 (APO) 对CQ和RAD诱导的压力的保护作用.
- 了解在这些条件下小肠中的生化和组织学变化.
主要方法:
- 确定了八个动物组:对照组,RAD,CQ,APO,以及组合 (RAD+CQ,RAD+APO,CQ+APO,RAD+CQ+APO).
- 组织学分析评估了组织损伤,而生化分析测量了氧化应激标志物,抗氧化酶活动和其他生化参数.
- 治疗后评估了亡,增殖和自的标记物.
主要成果:
- RAD诱导了组织损伤,自和亡,而CQ与RAD显示了抗增殖效应,而没有显著改变亡.
- RAD,CQ和RAD+CQ治疗增加了氧化应激标志物 (脂质过氧化,ROS,TNF-α) 和降低了抗氧化防御 (谷氨,SOD,CAT).
- 阿波基尼 (APO) 治疗有效地逆转了观察到的辐射和CQ诱导的氧化应激和组织学损伤.
结论:
- 与放射治疗同时使用CQ可能会增强抗增殖效果,但会加剧小肠中的氧化应激.
- 阿波基尼因通过减轻氧化应激,显示出对放射治疗和CQ诱导的小肠毒性有显著的保护潜力.
- 以CQ为增强放射治疗的目标,需要仔细考虑潜在的组织特异性副作用,这些副作用可能会被像APO这样的抗氧化疗法所抵消.
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