实验动物与比较医学 ›› 2016, Vol. 36 ›› Issue (2): 107-112.DOI: 10.3969/j.issn.1674-5817.2016.02.005

• 论著 • 上一篇    下一篇

高原多脏器功能障碍综合征蕨麻小型猪模型的建立及促肾上腺皮质激素与皮质酮的变化

冯小明, 罗晓红, 王红义, 郭晓宇, 陆璐, 申健, 肖攀, 牛廷献   

  1. 兰州军区兰州总医院动物实验科, 兰州 730050
  • 收稿日期:2015-09-21 出版日期:2016-04-25 发布日期:2016-04-25
  • 作者简介:冯小明(1980-), 男, 主管技师, 主要研究方向: 实验 动物质量控制及开发。E-mail: fxm8006@163.com
  • 基金资助:
    甘肃省技术研究与开发专项计划(1205TCYA010)

Establishment of Highland Multiple Organ Dysfunction Syndrome Model in Juema Minipig and Changes of Adrenocorticotropic Hormone and Corticosterone

FENG Xiao-ming, LUO Xiao-hong, WANG Hong-yi, GUO Xiao-yu, LU Lu, SHEN Jian, XIAO Pan, NIU Ting-xian   

  1. Lanzhou General Hospital, Lanzhou Military Command Department of Animal Experiment, Lanzhou 730050, China
  • Received:2015-09-21 Online:2016-04-25 Published:2016-04-25

摘要: 目的 研究高原多脏器功能障碍综合征(H-MODS)蕨麻小型猪模型的建立及促肾上腺皮质激素(ACTH)与皮质酮(CORT)的变化特点。方法 选用3个剂量(低、中、高)内毒素(LPS)诱导高原土生蕨麻小型猪成功建立H-MODS模型(B、C、D组),生理盐水为对照组(A组)。检测不同时点血清生理生化指标及ACTH与CORT表达水平。结果 各组蕨麻小型猪泵入LPS后肌酸激酶(CK)在3~24 h升高,48 h之后明显降低; 天门冬氨酸转氨酶(AST)在6~24 h升高; 丙氨酸氨基转移酶(ALT)在12 ~24 h的水平显著高于0 h和A组; 总胆红素(TBIL)在24~48 h的水平显著升高; 肌酐(CRE)在6 h水平明显高于0 h。白细胞数量在0~6 h升高,6~24 h降低。ACTH表达量在泵入LPS后开始上升, 在12 h后降低,在72 h基本恢复到与对照组相同水平; CORT在泵入LPS后3 h上升至最高,后又开始下降,24 h后开始上升,在72 h时基本恢复到正常。低、中、高剂量组的变化趋势基本相同。结论 高原MODS形成时机体处于严重感染应激状态下,ACTH与CORT表达水平出现剧烈变化, 下丘脑–垂体–肾上腺轴对机体调节的动态平衡被打破而出现紊乱。

关键词: 高原多脏器功能障碍综合征(H-MODS), 蕨麻小型猪, 促肾上腺皮质激素(ACTH), 皮质酮(CORT)

Abstract: Objective To study the expression changes of adrenocorticotropic hormone (ACTH) and corticosterone (CORT) by model of the highland multiple organ dysfunction syndrome (H-MODS) in Juema minipig. Methods The H-MODS model was induced by different dosages of lipopolysaccharide (LPS) in Juema minpig (groups B, C and D), the saline as the control. The expression of CORT and ACTH in serum at different times were detected. Results The expression of ACTH in model groups were rised after pumping LPS and reduce after 12 h, and to return the same as the control in the 72 h. The expression of CORT was rised to highest at 3 h after pumping LPS and then to decline, but to rise after 24 h, and to return the same as the control in the 72 h. The changes in groups of B, C and D have the same trendency. Conclusion The H-MODS has the severe infection in the model minipigs, the expression of CORT and ACTH have significient changes, and the regulation balance of hypothalamic-pituitary-adrenal axis was broken.

Key words: Highland multiple organ dysfunction syndrome(H-MODS), Juema minipig, Adrenocorticotropic hormone (ACTH), Corticosterone (CORT)

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