上海口腔医学 ›› 2014, Vol. 23 ›› Issue (2): 138-142.

• 基础研究 • 上一篇    下一篇

间歇性完全鼻阻塞诱导幼年大鼠颏舌肌低氧诱导因子1α的表达

刘炯, 陈金东, 聂萍, 盛潇, 赵彦惠, 徐晓珑, 陶丽, 朱敏   

  1. 上海交通大学医学院附属第九人民医院·口腔医学院 口腔颅颌面科, 上海市口腔医学重点实验室, 上海 200011
  • 收稿日期:2013-08-19 出版日期:2014-04-20 发布日期:2014-05-21
  • 通讯作者: 朱敏, E-mail:zminnie@126.com 
  • 作者简介:刘炯(1988-), 男, 硕士研究生, E-mail:liujiong030288@163.com
  • 基金资助:
    上海市科学技术委员会资助项目(11140902001);上海市科学技术委员会实验动物专项基金

Expression of HIF-1α in the genioglossus associated with induced bilateral intermittent nasal obstruction in young rats

LIU Jiong, CHEN Jin-dong, NIE Ping, SHENG Xiao, ZHAO Yan-hui, XU Xiao-long, TAO Li, ZHU Min   

  1. Department of Oral and Cranio-maxillofacial Science, Ninth People’s Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine;
    Shanghai Key Laboratary of Stomatology. Shanghai 200011, China
  • Received:2013-08-19 Online:2014-04-20 Published:2014-05-21

摘要: 目的: 研究幼鼠在双侧间歇性鼻阻塞时低氧诱导因子1α(hypoxia inducible factor, HIF-1α)的表达变化, 探讨双侧鼻阻塞对生长发育期大鼠颏舌肌的影响。方法: 将30只4周龄SD大鼠(Sprague-Dawley rat, SD rat)分为3组。A组为双侧鼻阻塞组, 常氧条件下鼻孔双侧阻塞4 h(8:00 am-12:00 am), 分别阻塞21 d和55 d;B组为单侧鼻阻塞组, 常氧条件下鼻孔单侧阻塞4 h/d(8:00 am-12:00 am), 分别阻塞21 d和55 d;C组为对照组, 常氧条件下饲养。取出颏舌肌, 分别进行H-E染色和免疫组织化学染色, 检测颏舌肌中HIF-1α的表达, 采用SPSS13.0软件包对数据进行统计学分析。结果: 在双侧鼻阻塞组, 颏舌肌HIF-1α的表达随鼻阻塞时间的延长而增加, 单侧鼻阻塞组以及对照组中颏舌肌均无HIF-1α表达。结论: 在双侧鼻阻塞的未成年大鼠中, 颏舌肌表达HIF-1α, 并且随着鼻阻塞时间的延长, HIF-1α的表达不断增加。

关键词: 鼻阻塞, 低氧诱导因子, 颏舌肌

Abstract: PURPOSE: To investigate the expression of HIF-1α in the genioglossus associated with induced bilateral intermittent nasal obstruction in young rats. METHODS: Thirty 4-week-old SD rats were employed and equally divided into 3 groups. In group A, both nostrils were occluded by nose plugs. In group B, the right nostril was occluded. In group C, no obstruction of the nose was performed as control group. The obstruction time was from 8 am to 12 am everyday, and the period was 21 d and 55 d. The genioglossus was taken for HE, and immunohistochemical staining was used to detect the expression of HIF-1α. The data was analyzed with SPSS 13.0 software package. RESULTS: The rats were sacrificed at the 21th day and 55th day, respectively. The expression of HIF-1α in group A was significantly higher than that in group B and group C, and became stronger with the increasing of obstruction time. CONCLUSIONS: Oral breathing caused by bilateral intermittent nasal obstruction in young rats results in overexpression of HIF-1α in the genioglossus.

Key words: Nasal obstruction, Genioglossus, HIF-1α

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