《中国畜牧兽医》 ›› 2017, Vol. 44 ›› Issue (5): 1533-1540.doi: 10.16431/j.cnki.1671-7236.2017.05.038

• 基础兽医 • 上一篇    下一篇

ZEA、DON及其联合染毒对CTLL-2细胞因子分泌的影响

蔡国栋1,2, 潘顺叶1, 王凤丽1, 邹辉1, 顾建红1, 袁燕1, 刘学忠1, 刘宗平1,2, 卞建春1,2   

  1. 1. 扬州大学兽医学院, 扬州 225009;
    2. 江苏省动物重要疫病与人兽共患病防控协同创新中心, 扬州 225009
  • 收稿日期:2016-09-06 出版日期:2017-05-20 发布日期:2017-05-18
  • 通讯作者: 卞建春 E-mail:jcbian@yzu.edu.cn
  • 作者简介:蔡国栋(1992-),男,安徽蚌埠人,硕士生,研究方向:动物营养代谢病与中毒病,E-mail:2663740180@qq.com
  • 基金资助:

    江苏省普通高校自然科学基金(08KJD230002);江苏高校优势学科建设工程资助项目(PAPD)

Effects of ZEA,DON and Their Combined Effects on the Secretion of Cytokines in CTLL-2 Cells

CAI Guo-dong1,2, PAN Shun-ye1, WANG Feng-li1, ZOU Hui1, GU Jian-hong1, YUAN Yan1, LIU Xue-zhong1, LIU Zong-ping1,2, BIAN Jian-chun1,2   

  1. 1. College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China;
    2. Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China
  • Received:2016-09-06 Online:2017-05-20 Published:2017-05-18

摘要:

为研究镰刀菌毒素玉米赤霉烯酮(ZEA)、脱氧雪腐镰刀菌烯醇(DON)及其联合作用对动物免疫功能的影响,试验以CTLL-2细胞(细胞毒性T淋巴细胞株)为材料,用不同浓度的ZEA (0、5、10、20 μg/mL)、DON (0、0.5、1、2 μg/mL)及联合(空白组、5 μg/mL ZEA、0.5 μg/mL DON、5 μg/mL ZEA+0.5 μg/mL DON)处理CTLL-2细胞48 h,采用ELISA法检测了细胞内及培养上清液中颗粒酶B (GZMB)、穿孔素(PFP)、干扰素γ(IFN-γ)和肿瘤坏死因子α(TNF-α)等细胞因子的含量。结果显示,ZEA、DON能够降低CTLL-2细胞胞内及培养上清液中PFP、GZMB、IFN-γ的浓度,增加TNF-α浓度,染毒组与对照组相比均有显著或极显著差异(P<0.05;P<0.01),且均呈剂量效应关系;ZEA、DON联合染毒表现为加性效应。结果表明,ZEA、DON及其联合作用可通过影响免疫细胞因子的分泌,降低免疫细胞杀伤活力,间接影响机体体液免疫和细胞免疫的负调节,从而导致动物机体免疫机能下降。

关键词: 玉米赤霉烯酮; 脱氧雪腐镰刀菌烯醇; CTLL-2细胞; 细胞因子; ELISA

Abstract:

To analyze the effects of ZEA or/and DON on the immunologic function,CTLL-2 cell was used as experimental materials. After exposing the CTLL-2 cell to different concentrations of ZEA (0,5,10,20 μg/mL),DON (0,0.5,1,2 μg/mL) and ZEA+DON (blank group,5 μg/mL ZEA,0.5 μg/mL DON,5 μg/mL ZEA+0.5 μg/mL DON) for 48 h,the concentration of GZMB,PFP,IFN-γ and TNF-α in CTLL-2 cell and supernatant fluid were detected by ELISA method. The result showed that DON and ZEA could reduce the concentration of PFP,GZMB and IFN-γ in the CTLL-2 cells and the culture supernatant fluids,and increase the concentration of TNF-α. The intoxicated group had significant or extremely significant difference compared to control group (P <0.05;P <0.01),which showed the dose effect. The group exposed to the combined of ZEA and DON showed an additive effect. The result indicated that ZEA,DON and the two combined could reduce the killing activity of immunological cell by affecting the secretion of immunological cytokines, and indirectly affect the negative feedback regulation of humoral immunity and cellular immunity,which led to the decline of immune function in animals.

Key words: zearalenone(ZEA); eoxynivalenol(DON); CTLL-2 cells; cell factor; ELISA

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