中国组织工程研究 ›› 2017, Vol. 21 ›› Issue (20): 3164-3169.doi: 10.3969/j.issn.2095-4344.2017.20.009

• 组织构建实验造模 experimental modeling in tissue construction • 上一篇    下一篇

不同剂量维甲酸诱导骨质疏松大鼠模型的稳定性

孙世栋1,梁其彬2,范为之3,曾展鹏1,陈柏行3   

  1. 1广州中医药大学第一附属医院创伤骨科,广东省广州市  510405;2广州市正骨医院骨科,广东省广州市  510045;3广州中医药大学,广东省广州市  510006
  • 修回日期:2017-05-27 出版日期:2017-07-18 发布日期:2017-07-28
  • 通讯作者: 曾展鹏,硕士,教授,硕士生导师,广州中医药大学第一附属医院一骨科,广东省广州市 510405
  • 作者简介:孙世栋,男,1987年生,福建省厦门市人,汉族,2013年北京中医药大学毕业,硕士,医师,主要从事中西医结合骨伤方面的研究。
  • 基金资助:

    广东省科技计划项目(2014A020212593)

Different dosages of retinoic acid to establish a rat model of osteoporosis: a stability evaluation

Sun Shi-dong1, Liang Qi-bin2, Fan Wei-zhi3, Zeng Zhan-peng1, Chen Bo-xing3   

  1. 1Department of Traumatic Orthopedics, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, Guangdong Province, China; 2Department of Orthopedics, Guangzhou Orthopedic Hospital, Guangzhou 510045, Guangdong Province, China; 3Guangzhou University of Chinese Medicine, Guangzhou 510006, Guangdong Province, China
  • Revised:2017-05-27 Online:2017-07-18 Published:2017-07-28
  • Contact: Zeng Zhan-peng, Master, Professor, Master’s supervisor, Department of Traumatic Orthopedics, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, Guangdong Province, China
  • About author:Sun Shi-dong, Master, Physician, Department of Traumatic Orthopedics, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, Guangdong Province, China
  • Supported by:

    the Science and Technology Program of Guangdong Province, No. 2014A020212593

摘要:

文章快速阅读:

文题释义:
维甲酸:
体内维生素A代谢的中间产物,主要影响骨的生长和促进上皮细胞增生、分化、角质溶解等代谢作用。显著的药理活性之一是诱导表皮增生,使颗粒层和棘细胞层增厚。另一个重要作用是在表皮细胞分化后期通过影响K1、K10角蛋白酶解,影响丝聚蛋白原至丝聚蛋白过程及交联包膜形成促进表皮颗粒层细胞向角质层分化。
骨质疏松模型:建立理想的实验动物模型对骨质疏松的病因和治疗的研究有着重要的意义。文章选用雌性SD大鼠,运用维甲酸实行造模,方法简单实用,中等剂量可成功建立稳定的骨质疏松模型。

 

摘要
背景:
骨质疏松严重危害老年人的健康和生活质量,建立理想的实验动物模型对骨质疏松的病因和治疗的研究有着重要的意义。
目的:通过不同剂量的维甲酸诱导建立大鼠骨质疏松模型,筛选出理想的造模剂量。
方法:将80只雌性SD大鼠按体质量随机分为对照组、低剂量组、中剂量组和高剂量组,各20只。低剂量组、中剂量组和高剂量组分别以80,100,120 mg/(kg•d)维甲酸连续灌胃14 d。
结果与结论:与对照组相比,低剂量组大鼠骨密度、成骨细胞和破骨细胞计数及骨微观结构无明显变化,而中、高剂量组大鼠股骨骨密度、血清钙含量明显下降,股骨破骨细胞数量增加,骨微观结构明显发生改变,其中以中剂量组最为明显。结果说明100 mg/(kg•d)维甲酸灌胃14 d可诱导大鼠建立骨质疏松模型,且稳定性良好。

 

 

ORCID: 0000-0002-9121-5458(曾展鹏)

关键词: 组织构建, 骨组织工程, 骨软骨损伤与修复动物模型, 骨质疏松, 雌性, 维甲酸, 苏木精-伊红染色, 骨组织形态计量学

Abstract:

BACKGROUND: Osteoporosis is a serious threat to the health and quality of life in the elderly. It is important to establish an ideal experimental animal model to study the etiology and treatment of osteoporosis.
OBJECTIVE: To establish a rat model of osteoporosis induced by different dosages of retinoic acid, thus selecting the optimal dosage.  
METHODS: Eighty female Sprague-Dawley rats were randomly divided into control, low-, middle- and high-dosage groups based on body mass (n=20 per group), The rats in the latter three groups were induced with 80, 100, and     120 mg/(kg•d) retinoic acid via gastric lavage for 14 days.
RESULTS AND CONCLUSION: Compared with the control group, the bone mineral density, number of osteoblasts and osteoclasts, and bone microarchitecture in the low-dosage group showed no significant changes, while there were significant decrease in the serum level of calcium and bone mineral density of femur, significant increase in the number of osteoclasts at the femur and significant changes in the femoral microarchitecture in the middle- and high-dosage groups, especially in the middle-dose group. To conclude, 120 mg/(kg•d) retinoic acid via gastric lavage for 14 days can induce a stable osteoporosis model in rats.

 

 

Key words: Osteoporosis, Tretinoin, Animals, Model, Tissue Engineering

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