畜牧兽医学报 ›› 2014, Vol. 45 ›› Issue (8): 1363-1368.doi: 10.11843/j.issn.0366-6964.2014.08.023

• 临床兽医 • 上一篇    下一篇

枸杞多糖对己烯雌酚染毒仓鼠睾丸组织Bax及Bcl-2凋亡蛋白的影响

张彩利,刘玉姣,赵兴华,马爱团*   

  1. (河北农业大学 动物医学院,河北 保定 071001)
  • 收稿日期:2014-01-13 出版日期:2014-08-23 发布日期:2014-08-23
  • 通讯作者: 马爱团,教授,Tel:0312-2381601,E-mail:maaituan@126.com
  • 作者简介:张彩利(1987-),女,河北邢台人,硕士生,主要从事中药药理与生殖免疫研究
  • 基金资助:

    国家自然科学基金项目(31072164);河北省自然科学基金项目(C2010000662)

Effects of Lycium Barbarum Polysaccharides on the Expression of Bax and Bcl-2 in Hamster Testicular Tissue Treated by Diethylstilbestrol

ZHANG Cai-li,LIU Yu-jiao,ZHAO Xing-hua,MA Ai-tuan*   

  1. (College of Veterinary Medicine,Agriculture University of Hebei,Baoding 071001,China)
  • Received:2014-01-13 Online:2014-08-23 Published:2014-08-23

摘要:

为研究枸杞多糖(LBP)对己烯雌酚(DES)致成年雄性仓鼠生殖损伤Bax及Bcl-2凋亡相关蛋白表达的影响,将66只成年雄性仓鼠随机分为空白对照组(A),DES组(B),1 mg•kg-1、10 mg•kg-1、50 mg•kg-1 LBP组(C、D、E)及VC+VE组(F)。除对照组外,其余5组均皮下注射己烯雌酚,对照组注射等剂量的橄榄油,连续用药7 d,同时C,D,E组分别灌服1、10、50 mg•kg-1的LBP,F组灌服100 mg•kg-1的VC及200 IU•kg-1的VE,A、B组灌服等剂量的生理盐水。末次给药24 h后,取睾丸进行RT-PCR及Western blot检测,检测Bcl-2、Bax的表达。通过RT-PCR及Western blot检测证实,DES显著降低睾丸Bcl-2的表达(P<0.01),而提高Bax表达(P<0.05);给予不同剂量的LBP后,Bcl-2的表达呈剂量依赖性增加,以50 mg•kg-1 LBP增加最为显著(P<0.01),Bax的表达呈LBP剂量依赖性降低,以50 mg•kg-1 LBP组表达最低(P<0.01);与维生素组相比,50 mg•kg-1 LBP对Bax及Bcl-2的调节作用差异不显著。结果显示,影响Bax及Bcl-2的表达是LBP保护DES生精损伤的途径之一。

Abstract:

The current study was undertaken to study the protective effects of lycium barbarum polysaccharides (LBP) on the expression of Bax and Bcl-2 in hamster testicular tissue treated by diethylstilbestrol.Sixty-six adult male hamsters were randomly divided into the control group (A),DES group (B),1,10,50 mg•kg-1 LBP group (C,D,E) and VC+VE group (F).Except the control group,the other 5 groups were subcutaneous injected with DES for 7 consecutive days,while the control group was injected equivalent amount of olive.Meanwhile hamsters in C,D,and E groups were gavaged 1,10,50 mg•kg-1 LBP respectively,and the group of F were gavaged 100 mg•kg-1 VC+200 IU•kg-1 VE,while the groups of A and B were given equivalent amount of normal saline.After 24 hours of the last treatment,the expressions of Bcl-2 and Bax in testicular tissue were tested through RT-PCR and Western blot.Results showed that DES dramatically decreased the expression of Bcl-2 (P<0.01),but the expression of Bax significantly increased.After treating with different dosage of LBP,the expression of Bcl-2 increased in a dose dependent manner,while the expression of Bax decreased,with 50 mg•kg-1 LBP being the best (P<0.01).There was no significant difference between vitamin group and 50 mg•kg-1 LBP group.These results indicated that regulating the expression of Bax and Bcl-2 may be one of the pathways that LBP alleviating the spermatogenic damage induced by DES on adult male hamster.

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