中国组织工程研究

中国组织工程研究 ›› 2011, Vol. 15 ›› Issue (41): 7607-7610.doi: 10.3969/j.issn.1673-8225.2011.41.002

• 骨组织构建 bone tissue construction • 上一篇    下一篇

去卵巢牙周炎模型大鼠牙槽骨吸收与补骨脂的干预

朱建华1，迟玉红2，张艳秋1，刘继光3   

  1. 1佳木斯大学附属口腔医院，黑龙江省佳木斯市  154007
    2齐齐哈尔医学院附属第三医院口腔科，黑龙江省齐齐哈尔市  161000
    3佳木斯大学科技处，黑龙江省佳木斯市  154007
  • 收稿日期:2011-04-19 修回日期:2011-06-20 出版日期:2011-10-08 发布日期:2011-10-08
  • 通讯作者: 刘继光，博士，教授，佳木斯大学科技处，黑龙江省佳木斯市 154007 Liujg5550@163.com
  • 作者简介:朱建华，女，1959年生，黑龙江省佳木斯市人，汉族，教授，主要从事牙周黏膜病方面的研究。 zhu8622877@ yahoo.com.cn
  • 基金资助:

    教育部科学技术研究项目(205041)，课题名称：PTHrP对牙胚发生作用机制的研究。

Effects of psoralea corylifolia on alveolar bone absorption in an ovariectimized rat model of periodontitis

Zhu Jian-hua1, Chi Yu-hong2, Zhang Yan-qiu1, Liu Ji-guang3   

  1. 1Stomatology Hospital, Jiamusi University, Jiamusi  1540007, Heilongjiang Province, China
    2Department of Stomatology, Third Affiliated Hospital, Qiqihar Medical University, Qiqihar  161000, Heilongjiang Province, China
    3Office of Science and Technology, Jiamusi  1540007, Heilongjiang Province, China
  • Received:2011-04-19 Revised:2011-06-20 Online:2011-10-08 Published:2011-10-08
  • Contact: Liu Ji-guang, Doctor, Professor, Office of Science and Technology, Jiamusi 1540007, Heilongjiang Province, China Liujg5550@163.com
  • About author:Zhu Jian-hua, Professor, Stomatology Hospital, Jiamusi University, Jiamusi 1540007, Heilongjiang Province, China zhu8622877@yahoo.com.cn
  • Supported by:

    Science and Technology Research Program of Ministry of Education of China, No.205041*

PDF

405

被引次数

6

摘要：

背景：补骨脂在治疗骨质疏松症方面有明显效果。
目的：观察补骨脂对去卵巢牙周炎大鼠牙槽骨代谢、牙槽骨密度及高度的影响。
方法：将30只雌性Wistar大鼠随机等分为3组：去卵巢组和补骨脂组行双侧卵巢切除术，假手术组仅手术不切除卵巢，补骨脂组于卵巢切除第2天灌胃3 g/kg补骨脂水剂，1次/d。去卵巢2周，所有大鼠采用结扎上颌磨牙的方法建立牙周炎模型。
结果与结论：上颌磨牙结扎12周，与假手术组比较，去卵巢组大鼠血清雌二醇、钙离子浓度显著降低(P < 0.05)，碱性磷酸酶水平显著升高(P < 0.05)，X射线片及苏木精-伊红染色显示去卵巢组大鼠上颌骨骨密度及高度显著降低(P < 0.05)；与去卵巢组比较，补骨脂组大鼠血清钙离子浓度显著升高(P < 0.05)，碱性磷酸酶水平显著降低(P < 0.05)，上颌骨骨密度及高度显著增高(P < 0.05)，且与假手术组比较差异无显著性意义(P > 0.05)。说明雌激素缺乏促进实验性牙周炎大鼠牙槽骨吸收，补骨脂可有效阻止雌激素降低导致的牙槽骨高度、骨密度降低。

关键词: 补骨脂, 雌激素, 牙周炎, 牙槽骨, 骨质疏松

Abstract:

BACKGROUND: Psoralea corylifolia exhibits obvious therapeutic effects on osteoporosis.
OBJECTIVE: To investigate the effects of psoralea corylifolia on alveolar bone metabolism, alveolar bone mineral density and height in ovariectimized rats with periodontitis.
METHODS: Thirty female Wister rats were randomly divided into three groups: ovariectomy, psoralea corylifolia and sham-surgery. Rats from the ovariectomy and psoralea corylifolia groups underwent bilateral ovariectomy, and rats from the sham surgery group did not receive ovariectomy. At 2 days after ovariectomy, rats from the psoralea corylifolia group were orally administered 3 g/kg psoralea corylifolia, once a day. At 2 weeks after ovariectomy, all rats were established into peridontitis models by ligation of maxillary molar.
RESULTS AND CONCLUSION: At 12 weeks after ligation of maxillary molar, compared with sham surgery group, estradiol and calcium ion levels were significantly decreased (P < 0.05), alkaline phosphatase level was significantly increased (P < 0.05) in the ovariectomy group. X-ray and hematoxylin-eosin staining showed that alveolar bone mineral density and height in the ovariectomy group was significantly decreased than that in the control group (P < 0.05). Compared with ovariectomy group, serum level of calcium ion was significantly increased (P < 0.05) and alkaline phosphatase level was significantly decreased    (P < 0.05), and alveolar bone mineral density and height were significantly increased in the psoralea corylifolia group. However, no significant difference was observed between psoralea corylifolia group and sham surgery group (P > 0.05). These findings suggest that estrogen-deficient state can promote alveolar bone absorption in rats with experimental periodontitis, and psoralea corylifolia can prevent the decrease in alveolar bone height and density resulting from estrogen deficiency.

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