Expression Profile of Housekeeping Genes and Tissue-Specific Genes in Multiple Tissues of Pigs
文献类型： 外文期刊
作者： Pan, Xiangchun 1 ; Cai, Jiali 1 ; Wang, Yifei 1 ; Xu, Dantong 1 ; Jiang, Yao 2 ; Gong, Wentao 1 ; Tian, Yuhan 1 ; Shen, Qingpeng 1 ; Zhang, Zhe 1 ; Yuan, Xiaolong 1 ; Li, Jiaqi 1 ;
作者机构： 1.South China Agr Univ, Coll Anim Sci, Natl Engn Res Ctr Breeding Swine Ind, Guangdong Prov Key Lab Agroanim Genom & Mol Breedi, Guangzhou 510642, Peoples R China
2.Shenzhen Branch, Guangdong Lab Lingnan Modern Agr, Shenzhen 518120, Peoples R China
3.Chinese Acad Agr Sci, Agr Genom Inst Shenzhen, Genome Anal Lab Minist Agr, Shenzhen, Peoples R China
4.Murdoch Univ, Sch Vet & Life Sci, Murdoch 6150, Australia
关键词： gene expression; housekeeping genes; tissue-specific genes; pig
期刊名称：ANIMALS （ 影响因子：3.231； 五年影响因子：3.312 ）
ISSN： 2076-2615
年卷期： 2022 年 12 卷 24 期
页码：
收录情况： SCI
摘要： Simple Summary Pig is an important biomedical model and a valuable source of nutrition for humans. The all-sided gene expression profile across multiple tissues engages crucial information to gain insight into their biological functions in pigs. In the present study, a comprehensive analysis has been performed on the gene expression to explore the housekeeping genes, tissue-specific genes and potentially co-expression hub genes across 14 tissues. Our results offer a fresh perspective on the transcriptome regulation of pig tissues. Pigs have become an ideal model system for human disease research and development and an important farm animal that provides a valuable source of nutrition. To profile the all-sided gene expression and their biological functions across multiple tissues, we conducted a comprehensive analysis of gene expression on a large scale around the side of housekeeping genes (HKGs), tissue specific genes (TSGs), and the co-expressed genes in 14 various tissues. In this study, we identified 2351 HKGs and 3018 TSGs across tissues, among which 4 HKGs (COX1, UBB, OAZ1/NPFF) exhibited low variation and high expression levels, and 31 particular TSGs (e.g., PDC, FKBP6, STAT2, and COL1A1) were exclusively expressed in several tissues, including endocrine brain, ovaries, livers, backfat, jejunum, kidneys, lungs, and longissimus dorsi muscles. We also obtained 17 modules with 230 hub genes (HUBGs) by weighted gene co-expression network analysis. On the other hand, HKGs functions were enriched in the signaling pathways of the ribosome, spliceosome, thermogenesis, oxidative phosphorylation, and nucleocytoplasmic transport, which have been highly suggested to involve in the basic biological tissue activities. While TSGs were highly enriched in the signaling pathways that were involved in specific physiological processes, such as the ovarian steroidogenesis pathway in ovaries and the renin-angiotensin system pathway in kidneys. Collectively, these stable, specifical, and co-expressed genes provided useful information for the investigation of the molecular mechanism for an understanding of the genetic and biological processes of complex traits in pigs.
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