浙江农业学报 ›› 2017, Vol. 29 ›› Issue (2): 200-205.DOI: 10.3969/j.issn.1004-1524.2017.02.04

• 动物科学 • 上一篇    下一篇

亚精胺对鼠免疫器官指数及炎症因子表达的影响

徐麒麟, 康波*, 姜冬梅*, 魏春叶, 贾医林, 易治鑫, 陈咨余   

  1. 四川农业大学 动物科技学院/畜禽遗传资源发掘与创新利用四川省重点实验室, 四川 成都 611130
  • 收稿日期:2016-08-22 出版日期:2017-02-15 发布日期:2017-03-06
  • 通讯作者: 康波,E-mail:bokang@sicau.edu.cn;姜冬梅,E-mail:jiangdm9277@163.com
  • 作者简介:徐麒麟(1992—),男,四川崇州人,硕士研究生,主要从事动物卵泡发育机理研究。E-mail:albertxql@163.com
  • 基金资助:
    国家自然科学基金资助项目(31201798); 四川省教育综合改革试点项目“构建服务现代农业发展的产学研协同创新体系”

Effects of spermidine on immune organ index and expression of inflammatory cytokines in mice

XU Qilin, KANG Bo*, JIANG Dongmei*, WEI Chunye, JIA Yilin, YI Zhixin, CHEN Ziyu   

  1. College of Animal Science and Technology, Sichuan Agricultural University/Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Chengdu 611130, China
  • Received:2016-08-22 Online:2017-02-15 Published:2017-03-06

摘要: 为阐明亚精胺对鼠免疫器官指数、胸腺和脾脏组织炎症因子表达的影响,采用0、0.05、0.10和0.15 mg·g-1(体质量)亚精胺腹腔注射6周龄昆明小白鼠,测定鼠胸腺和脾脏指数,并定量检测胸腺和脾脏组织TNF-αIL-1βIL-6和IFN-γ表达量。结果表明:注射0.15 mg·g-1亚精胺组鼠胸腺指数和脾脏指数显著(P<0.05)低于对照组;0.10 mg·g-1亚精胺组胸腺组织IFN-γ表达量显著(P<0.05)高于对照组;0.05 mg·g-1亚精胺组鼠脾脏组织TNF-αIL-1β表达量显著(P<0.05)低于对照组,0.10 mg·g-1 亚精胺组脾脏组织IL-6和IFN-γ表达量均显著(P<0.05)高于对照组,0.15 mg·g-1组脾脏组织TNF-α表达量显著(P<0.05)低于对照组。由此可见,亚精胺对炎症因子表达具有组织特异性和剂量依赖性。低浓度亚精胺能抑制炎症因子表达发挥抗炎作用,随着亚精胺浓度增加则表现为诱导炎症。

关键词: 亚精胺, 胸腺指数, 脾脏指数, 炎症因子

Abstract: To clarify the effects of exogenous spermidine on mice immune organs index and expression of inflammatory cytokines in thymus and spleen, 0, 0.05, 0.10 and 0.15 mg·g-1 (body weight) spermidine were intraperitoneal injected for the six-week Kunming mice. The thymus and spleen index were measured after 24 h and the expression of TNF-αIL-1βIL-6 and IFN-γ in thymus and spleen were assessed by quantitative real-time PCR. The results showed that, compared with the control group, intraperitoneal injection of 0.15 mg·g-1 spermidine group significantly (P<0.05) decreased the thymus index and the spleen index. 0.1 mg·g-1 spermidine group enhanced the thymus IFN-γ expression (P<0.05). In the spleen, the expressions of TNF-α and IL-1β in 0.05 mg·g-1 spermidine group were significantly (P<0.05) lower than those of the control group, but the expressions of the IL-6 and IFN-γ gene in 0.1 mg·g-1 spermidine group were significantly higher than those of the control group (P<0.05). The expression of TNF-α in 0.15 mg·g-1 spermidine group was significantly (P<0.05) lower than that of the control group. Thus, the spermidine showed tissue specific and dose dependent manner on the expression of inflammatory cytokines in mice. Low concentration of spermidine had anti-inflammatory effect by inhibiting the expression of inflammatory cytokines, but high-dose spermidine could also induce inflammation.

Key words: spermidine, thymus index, spleen index, inflammatory cytokines

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