畜牧兽医学报 ›› 2016, Vol. 47 ›› Issue (9): 1940-1946.doi: 10.11843/j.issn.0366-6964.2016.09.024

• 研究简报 • 上一篇    

钒对雏鸡大脑皮层γ-氨基丁酸表达的影响

唐丽,辛丹宁,田春洋,崔恒敏*   

  1. (四川农业大学动物医学院,成都 611130)
  • 收稿日期:2016-04-12 出版日期:2016-09-23 发布日期:2016-09-29
  • 通讯作者: 崔恒敏,教授,E-mail:cuihengmin2008@sina.com
  • 作者简介:唐丽(1979-),女,陕西洛南人,副教授,博士,主要从事禽类神经内分泌系统的研究,E-mail: tangyimingtt@163.com;Tel:028-86291348。注:唐丽和辛丹宁贡献相同,为共同第一作者。
  • 基金资助:

    教育部博士后基金项目(04310611)

Effect of Vanadiumon on the Expression of GABA in the Cerebral Cortex in Broilers

TANG Li,XIN Dan-ning,TIAN Chun-yang,CUI Heng-min*   

  1. (College of Veterinary Medicine,Sichuan Agricultural University,Chengdu 611130,China)
  • Received:2016-04-12 Online:2016-09-23 Published:2016-09-29

摘要:

为了研究钒对雏鸡大脑皮层γ-氨基丁酸(GABA)表达的影响,选用280只1日龄艾维因肉鸡,随机分为4组,每组7个处理,每个处理10只,分别饲喂对照日粮和钒添加日粮(低剂量组:15 mg•kg-1;中剂量组:30 mg•kg-1;高剂量组:45 mg•kg-1)6周,采用免疫组织化法检测雏鸡大脑皮层中GABA的表达变化。结果表明,42 d雏鸡,15 mg•kg-1钒添加组的大脑皮层GABA表达量最高(P<0.01或P<0.05),其次为30 mg•kg-1钒添加组的(P<0.01或P<0.05),45 mg•kg-1钒添加组的高于对照组的(P>0.05);45 mg•kg-1钒添加组,28 d时大脑皮层GABA表达量均极显著(P<0.01)高于14和42 d的;14 d时大脑皮层水平细胞和星形胶质细胞GABA表达量均高于42 d的(P>0.05)。综上表明,日粮钒与雏鸡大脑皮层GABA的表达存在量效与时效关系,提示其调控作用可能与GABA的表达上调相关。

关键词:  , 钒, 大脑皮层, &gamma, -氨基丁酸, 免疫组化法, 雏鸡

Abstract:

To study the effect of vanadium on the chick cerebral cortex γ-aminobutyric acid (GABA) expression,280 1-day-old Avian broilers were chosen and randomly divided into four groups,each group divided into seven sample groups,each sample group have 10 broilers,and fed control diet and diet added vanadium (low dose group:15 mg•kg-1;dose group:30 mg•kg-1;high dose group:45 mg•kg-1) for 6 weeks using the immunohistochemical method to detect the expression of chick cerebral cortex GABA Variety.The results showed that the expression level of the cerebral cortex GABA 42 d chicks,15 mg•kg-1of vanadium-added group was the highest (P<0.01 or P<0.05),followed by 30 mg•kg-1 of vanadium added group (P<0.01 or P<0.05),45 mg•kg-1 of vanadium-added group than the control group (P>0.05);45 mg•kg-1 of vanadium-added group,when at 28 d the cerebral cortex expression levels were significantly (P <0.01) higher than the 14 and 42 d;when at the 14 cortex horizontal cells and astrocytes of GABA expression were higher than 42 d (P>0.05).In summary,it showed that the dietary vanadium and the expression of chick’s cortex GABA exist in a dose and time-effect relationship,suggesting that the regulation of expression may be related to up-regulation of GABA.

Key words: vanadium, cerebral cortex, GABA, immunohistochemical method, broilers

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