蒙古马母体与胎儿胃肠道NF-κB信号通路相关基因mRNA相对表达水平研究

doi:10.12160/j.issn.1672-5190.2022.05.013

畜牧与饲料科学 ›› 2022, Vol. 43 ›› Issue (5): 79-86.doi: 10.12160/j.issn.1672-5190.2022.05.013

蒙古马母体与胎儿胃肠道NF-κB信号通路相关基因mRNA相对表达水平研究

蔺雅楠¹,赵媛¹,苏少锋^1,²,赵俊利²,李雅静¹,陶金山¹,张建强¹,翁雅娟¹,武慧¹,王秀美³,赵一萍¹

1.内蒙古农业大学动物科学学院/内蒙古自治区马属动物遗传育种与繁殖重点实验室/农业农村部马属动物遗传育种与繁殖科学观测实验站/内蒙古农业大学马属动物研究中心，内蒙古呼和浩特 010018
2.内蒙古自治区农牧业科学院，内蒙古呼和浩特 010031
3.呼和浩特市行政审批和政务服务局综合保障中心，内蒙古呼和浩特 010020

收稿日期:2022-08-10 出版日期:2022-09-30 发布日期:2022-09-21
通讯作者: 赵一萍（1984—），女，讲师，博士，硕士生导师，主要从事马属动物遗传育种研究工作。
作者简介:蔺雅楠（1998—），女，硕士研究生，主要研究方向为马属动物遗传育种。
基金资助:
国家自然科学基金项目(31860636);内蒙古自治区科技重大专项(2021ZD0018);内蒙古农业大学动物科学学院项目(QN202103);内蒙古自治区自然科学联合基金项目(2021LHMS03012);中国博士后科学基金资助项目(2020M673547XB)

Characterization of mRNA Relative Expression Levels of NF-κB Signaling Pathway Associated Genes in Maternal and Fetal Gastrointestinal Tracts of Mongolian Horse

LIN Ya-nan¹,ZHAO Yuan¹,SU Shao-feng^1,²,ZHAO Jun-li²,LI Ya-jing¹,TAO Jin-shan¹,ZHANG Jian-qiang¹,WENG Ya-juan¹,WU Hui¹,WANG Xiu-mei³,ZHAO Yi-ping¹

1. College of Animal Science，Inner Mongolia Agricultural University/Key Laboratory of Genetics，Breeding and Reproduction of Equine Animals in Inner Mongolia Autonomous Region/Observation and Experiment Station of Genetics，Breeding and Reproduction of Equine Animals，Ministry of Agriculture and Rural Affairs/Equine Animal Research Center，Inner Mongolia Agricultural University，Hohhot 010018，China
2. Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences，Hohhot 010031，China
3. Comprehensive Security Center of Administrative Approval and Government Affairs Service Bureau of Hohhot City，Hohhot 010020，China

Received:2022-08-10 Online:2022-09-30 Published:2022-09-21

摘要/Abstract

摘要：

[目的]研究蒙古马母体与胎儿胃肠道不同区段NF-κB信号通路相关基因的mRNA相对表达水平。[方法]选取3匹体况良好的妊娠蒙古马进行屠宰，屠宰过程中取出胎儿，分别采集母体及胎儿的胃、十二指肠、空肠、回肠、盲肠、大结肠、小结肠和直肠组织；采用实时荧光定量PCR方法（qPCR），对NF-κB信号通路上6个相关基因（NF-κB p50、NF-κB p65、NFKBIA、IL-1β、TNF-α和IL-8）的mRNA相对表达量进行分析，比较母体和胎儿胃肠道不同区段组织中各基因的表达差异。[结果]NF-κB信号通路上6个基因在蒙古马母体和胎儿胃肠道不同区段8个组织中均有表达；总体来看，NF-κB p50、NF-κB p65和NFKBIA基因的mRNA相对表达量在母体和胎儿上均较高，IL-1β、TNF-α和IL-8基因的mRNA相对表达量均较低。在胃肠道区段8个组织中，6个基因的mRNA相对表达量基本呈现母体高于胎儿的特征；在回肠和盲肠组织中，母体NF-κB p50基因的mRNA相对表达量显著（P<0.05）高于胎儿；在大结肠组织中，母体NF-κB p65基因和NFKBIA基因的mRNA相对表达量显著（P<0.05）高于胎儿。[结论]NF-κB信号通路上6个基因在蒙古马母体和胎儿胃肠道8个组织中均有表达，且存在一定差异；母体部分肠道区段组织中的NF-κB p50、NF-κB p65、NFKBIA基因mRNA相对表达量显著高于胎儿。

关键词: 蒙古马, 胃肠道, NF-κB信号通路, mRNA相对表达水平, 实时荧光定量PCR

Abstract:

[Objective] This study aimed to characterize the mRNA relative expression levels of NF-κB signaling pathway associated genes in different segments of maternal and fetal gastrointestinal tracts of Mongolian horses. [Method] Three pregnant Mongolian mares in good body condition were selected and slaughtered, and the fetuses were removed during slaughter. The tissues of stomach, duodenum, jejunum, ileum, cecum, macrocolon, microcolon and rectum of the mares and fetuses were collected, and quantitative real-time PCR （qPCR） was used to analyze the mRNA relative expression levels of six genes （NF-κB p50, NF-κB p65, NFKBIA, IL-1β, TNF-α and IL-8） associated with NF-κB signaling pathway in these tissues. The expression differences of these genes in different segments of maternal and fetal gastrointestinal tracts were compared. [Result] The expressions of the six genes associated with NF-κB signaling pathway were all observed in tissues of the eight segments of maternal and fetal gastrointestinal tracts. In general, the mRNA relative expression levels of NF-κB p50, NF-κB p65 and NFKBIA genes were higher in maternal and fetal tissues, while those of IL-1β, TNF-α and IL-8 genes were lower. In tissues of the eight segments of gastrointestinal tract, the mRNA relative expression levels of the six genes associated with NF-κB signaling pathway were generally higher in mares in comparison to those in fetuses. In ileum and cecum tissues, the mRNA relative expression level of NF-κB p50 gene in mares was significantly （P<0.05） higher than that in fetuses. In macrocolon tissues, the mRNA relative expression levels of NF-κB p65 and NFKBIA genes in mares were significantly （P<0.05） higher than those in fetuses. [Conclusion] Six genes associated with NF-κB signaling pathway were all expressed in tissues of eight segments of maternal and fetal gastrointestinal tracts of Mongolian horses, and there were certain differences in expression levels. The mRNA relative expression levels of NF-κB p50, NF-κB p65 and NFKBIA genes in maternal tissues of selected intestinal segments were significantly higher than those in fetal tissues.

Key words: Mongolian horses, gastrointestinal tract, NF-κB signaling pathway, mRNA relative expression level, quantitative real-time PCR

中图分类号:

蔺雅楠, 赵媛, 苏少锋, 赵俊利, 李雅静, 陶金山, 张建强, 翁雅娟, 武慧, 王秀美, 赵一萍. 蒙古马母体与胎儿胃肠道NF-κB信号通路相关基因mRNA相对表达水平研究[J]. 畜牧与饲料科学, 2022, 43(5): 79-86.

LIN Ya-nan, ZHAO Yuan, SU Shao-feng, ZHAO Jun-li, LI Ya-jing, TAO Jin-shan, ZHANG Jian-qiang, WENG Ya-juan, WU Hui, WANG Xiu-mei, ZHAO Yi-ping. Characterization of mRNA Relative Expression Levels of NF-κB Signaling Pathway Associated Genes in Maternal and Fetal Gastrointestinal Tracts of Mongolian Horse[J]. Animal Husbandry and Feed Science, 2022, 43(5): 79-86.

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蒙古马母体与胎儿胃肠道NF-κB信号通路相关基因mRNA相对表达水平研究

Characterization of mRNA Relative Expression Levels of NF-κB Signaling Pathway Associated Genes in Maternal and Fetal Gastrointestinal Tracts of Mongolian Horse

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