该【结直肠癌常用化疗药致小鼠肝损伤的实验研究 】是由【wz_198613】上传分享,文档一共【4】页,该文档可以免费在线阅读,需要了解更多关于【结直肠癌常用化疗药致小鼠肝损伤的实验研究 】的内容,可以使用淘豆网的站内搜索功能,选择自己适合的文档,以下文字是截取该文章内的部分文字,如需要获得完整电子版,请下载此文档到您的设备,方便您编辑和打印。结直肠癌常用化疗药致小鼠肝损伤的实验研究 摘要 目的:研究结直肠癌常用化疗药致小鼠肝损伤的机制和预防措施。 方法:采用小鼠模型,将小鼠随机分为对照组和化疗组,化疗组小鼠注射结直肠癌常用化疗药物。对小鼠肝脏进行病理学检查、生化指标检验和分子生物学检测,比较两组小鼠的差异。 结果:化疗组小鼠的肝脏组织病理学检查显示明显的肝细胞变性、坏死和细胞间隙增大。生化指标检验发现,化疗组小鼠的肝功能指标丙氨酸氨基转移酶、天门冬氨酸氨基转移酶等明显增高,而血清蛋白质含量明显降低。分子生物学检测发现化疗组小鼠的肝细胞凋亡率增加,有丝分裂指数下降,而同步细胞周期下S期增加。 结论:结直肠癌常用化疗药物致小鼠肝损伤,主要机制为肝细胞凋亡和细胞周期失控。预防措施包括合理用药、监测肝功能、维持肝脏正常营养状态和加强肝脏保护治疗。 关键词:结直肠癌;化疗药物;肝损伤;肝细胞凋亡;细胞周期失控。 Abstract Objective: To investigate the mechanism and preventive measures of liver damage in mice caused by commonly used chemotherapeutic drugs for colon cancer. Methods: A mouse model was used, and the mice were randomly divided into a control group and a chemotherapy group. The chemotherapy group mice were injected with commonly used chemotherapeutic drugs for colon cancer. The liver was subjected to histopathological examination, biochemical index testing, and molecular biology detection to compare the differences between the two groups of mice. Results: The histopathological examination of the liver tissue of the chemotherapy group mice showed obvious hepatocellular degeneration, necrosis, and increased intercellular space. The biochemical index testing found that the liver function indicators alanine aminotransferase and aspartate aminotransferase of the chemotherapy group mice were significantly increased, while the serum protein content was significantly decreased. Molecular biology detection found that the apoptosis rate of liver cells in the chemotherapy group mice increased, and the mitotic index decreased, while the S phase increased under the synchronous cell cycle. Conclusion: Chemotherapeutic drugs commonly used for colon cancer cause liver damage in mice, mainly by inducing hepatocellular apoptosis and causing cell cycle disorder. Preventive measures include rational drug use, monitoring of liver function, maintaining normal liver nutrition, and strengthening liver protection treatment. Keywords: colon cancer; chemotherapy drugs; liver damage; hepatocellular apoptosis; cell cycle disorder. 正文 一、引言 随着临床医学的发展和治疗技术的不断进步,结直肠癌常用化疗药物在结直肠癌治疗中扮演着重要的角色。然而,对于化疗药物引起的副作用和不良反应的研究仍然缺乏深入探讨。这些副作用包括肝损伤、肾损伤、心脏损伤等,其中肝损伤是最为常见的一种。肝损伤不仅影响患者的生存质量,还可能导致化疗方案的中止和治疗失败。因此,研究结直肠癌常用化疗药物致小鼠肝损伤的机制和预防措施对临床具有参考意义。 二、材料与方法