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慢性氟中毒对大鼠心肌胶原代谢的影响

李 丹1,杨 文2,范 哲1,孙 波1,李广生1*   

  1. 1. 吉林大学地方病研究所病理学研究室,吉林 长春130021;2. 吉林大学第二医院综合内科,吉林 长春130041
  • 收稿日期:2005-03-15 修回日期:1900-01-01 出版日期:2006-01-28 发布日期:2006-01-28
  • 通讯作者: 李广生

Effect of chronic fluorosis on myoardial collagenmetabolism in rats

LI Dan1, YANG Wen2, FAN Zhe1, SUN Bo1,LI Guang-sheng1*   

  1. 1. Department of Pathology,Institute of Endemic Diseases,Jilin University,Changchun 130021,China; 2. Department of Comprehensine Internal Medicine,Second Hospital,Jilin University, Changchun 130041, China
  • Received:2005-03-15 Revised:1900-01-01 Online:2006-01-28 Published:2006-01-28
  • Contact: LI Guang-sheng

摘要: 目的:探讨过量氟对大鼠心肌组织Ⅰ型、Ⅲ型胶原蛋白表达的影响。方法:将Wistar大鼠随机分成5组(每组8只):常规食对照组、常规食加氟组(加氟100 mg ·L-1)、低钙偏食对照组、低钙偏食加低量氟组(加氟50 mg·L-1)和低钙偏食加高量氟组(加氟100 mg·L-1)。采用苦味酸-天狼星红染色、偏振光显微镜观察以及免疫组织化学法检测氟中毒大鼠心肌Ⅰ型、Ⅲ型胶原的表达。结果:图像分析显示苦味酸-天狼星红染色、偏振光显微镜下显示的Ⅰ型、Ⅲ型胶原面积百分比,各加氟组其Ⅰ型、Ⅲ型胶原均较其对照组稍有增高趋势,但差异无显著性(P>0.05)。免疫组化观察Ⅰ型、Ⅲ型胶原蛋白的表达量0%~10%,各加氟组与其对照组相比差异亦无显著性(P>0.05)。结论:慢性氟中毒对大鼠心肌胶原代谢无明显影响,心肌胶原可能不是氟化物作用的靶子。

关键词: 中毒, 心肌, 代谢, 纤维胶原类, 代谢, 免疫组织化学, 方法, 大鼠, Wistar

Abstract: Objective To study the effect of fluoride on the expressions of collagen typeⅠ(ColⅠ) and collagen type Ⅲ (Col Ⅲ) in the myocardium of rats.Methods The rat model was established by administration of different concentration o f sodium fluoride. The myocardium of rats were stained by picrosirium red,observed by polarization microscopy,analyzed by image analysis system. The expressions of ColⅠand Col Ⅲ in myocardium of rats were determined by immunohistochemistry method.Results The percentages of ColⅠand Col Ⅲ area in the myocardium of rats treated with different concentration of sodium fluoride were a l ittle higher than those of control group.No significant difference was seen among different groups of the expressions of ColⅠand Col Ⅲ(P>0.05).The expressions of ColⅠand Col Ⅲ protein were ranged between 0-10%.There was no significant difference among different groups either(P>0.05). Conclusion Chronic fluorosis has no obvious effect on myocardial collagen metabolism of rats and myocardial collagen is not likely the main target of fluoride.

Key words: poisoning, myocardium, metabolism, fibrillar collagens, metabolism, immunohistochemistry, methods, rats, Wistar

中图分类号: 

  • R115.3