职业与健康 ›› 2026, Vol. 42 ›› Issue (2): 173-177.

• 论著 • 上一篇    下一篇

三氯生和铬单一或复合污染对机体免疫的影响

刘朝1, 刘燕群1,2(), 黄心怡1, 黄美琪1, 郭嘉诚1, 黄文武3()   

  1. 1.江汉大学,湖北 武汉 430056
    2.江汉大学持久性有毒污染物环境与健康危害湖北省重点实验室,湖北 武汉 430056
    3.江汉大学医院,湖北 武汉 430056
  • 收稿日期:2025-05-27 修回日期:2025-06-20 出版日期:2026-01-15 发布日期:2026-02-06
  • 通信作者: 刘燕群,E-mail:1281651992@qq.com;黄文武,E-mail:706605490@qq.com
  • 作者简介:刘朝,男,在读本科生。
  • 基金资助:
    湖北省高等学校优秀中青年科技创新团队项目(T201224);中科院科技服务网络计划(STS计划)(KFJ-STS-ZDTP-083);国家重点研发计划项目(2020YFA0907400);江汉大学大学生科研项目(2024)

Effects of single or combined pollution of triclosan and chromium on immune system

LIU Zhao1, LIU Yanqun1,2(), HUANG Xinyi1, HUANG Meiqi1, GUO Jiacheng1, HUANG Wenwu3()   

  1. 1. Jianghan University,Wuhan,Hubei 430056,China
    2. Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances,Jianghan University,Wuhan,Hubei 430056,China
    3. Hospital of Jianghan University,Wuhan,Hubei 430056,China
  • Received:2025-05-27 Revised:2025-06-20 Online:2026-01-15 Published:2026-02-06

摘要:

目的 了解机体内广谱抗生素三氯生(triclosan,TCS)、重金属铬(chromium,Cr6+)单一及复合污染对机体免疫功能的影响。 方法 通过毒性试验方法研究TCS和Cr6+单一及复合胁迫下昆明(KM)小鼠免疫功能的损伤和抑制情况及免疫器官的病理学改变;以浓度为1/4 LD50的Cr6+溶液和1/16 LD50的TCS溶液(溶剂为二甲基亚砜,dimethyl sulfoxide,DMSO)为模型,KM小鼠为研究对象,研究和分析小鼠染毒过程的基本情况,毒性试验对小鼠免疫器官脏器系数的影响、病理学改变情况以及对血清溶血素(serum hemolysin,HC50)水平的影响。 结果 TCS和Cr6+暴露后,对照组、TCS模型组、Cr6+模型组及双重模型组体质量分别为(32.14±3.45)、(26.82±2.17)、(28.41±2.34)、(22.74±2.37)g,胸腺系数分别为(5.34±0.28)、(3.49±0.44)、(3.67±0.62)、(2.51±0.43)mg/g,HC50值分别为655.60±17.91、632.91±7.03、629.94±7.49和612.38±5.70。与对照组相比,TCS模型组和Cr6+模型组小鼠脾脏系数均增加及胸腺系数均降低,差异均有统计学意义(均P<0.05),HC50均显著降低,差异均有统计学意义(均P<0.01),且导致小鼠免疫器官损伤,淋巴细胞水肿和坏死;与TCS、Cr6+单独染毒组相比,TCS和Cr6+联合染毒组,小鼠体质量、胸腺系数及HC50等指标均显著降低,差异均有统计学意义(均P<0.01),淋巴细胞出现更大面积变性坏死。 结论 TCS和Cr6+复合污染对KM小鼠免疫功能的胁迫效应整体大于二者单独污染,表现出较明显的协同作用。

关键词: 三氯生, 六价铬, 小鼠, 免疫

Abstract:

Objective To explore the effects of single and combined pollution of broad-spectrum antibiotic triclosan(TCS) and heavy metal chromium(Cr6+) on the immune function of the body. Methods The injury and inhibition of immune function and pathological changes of immune organs of KM mice under single and combined stress of TCS and Cr6+ was studied by toxicity test method. Using Cr6+ solution with a concentration of 1/4 LD50 and TCS solution with a concentration of 1/16 LD50[the solvent is dimethyl sulfoxide(DMSO)] as the model,and KM mice as the research objects,the basic situation of mouse poisoning process was researched and analyzed. The effects of toxicity tests on the immune organ coefficients,pathological changes,and serum hemolysin(HC50) levels in mice were analyzed. Results Following TCS and Cr6+ exposure,body weights of the control,TCS model group,Cr6+ model group,and combined exposure groups were measured as (32.14±3.45),(26.82±2.17),(28.41±2.34) and (22.74±2.37)g,respectively. The thymus coefficients were (5.34±0.28),(3.49±0.44),(3.67±0.62) and (2.51±0.43)mg/g,respectively. The HC50 values were 655.60±17.91,632.91±7.03,629.94±7.49 and 612.38±5.70. Compared to the control group,both the TCS model group and the Cr6+ model group showed an increase in spleen coefficient and a decrease in thymus coefficient,with statistically significant differences(both P<0.05). The HC50 values were significantly reduced,also showing statistically significant differences (both P<0.01),with immune organ damage in the mice,along with lymphocyte edema and necrosis. Compared to the TCS and Cr6+ single exposure groups,the combined TCS and Cr6+ exposure group exhibited significant reductions in body weight,thymus coefficient,and HC50 values,and the differences were statistically significant(all P<0.01),with lymphocytes displaying a larger area of degenerative necrosis. Conclusion The coercive effect of TCS and Cr6+ combined pollution on the immune function of KM mice is greater than that of the two alone,showing a more obvious synergistic effect.

Key words: Triclosan, Hexavalent chromium, Mice, Immunity

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