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Ren P, Chen M, Liu Q, Wu J, Li R, Lin Z, Li J. Gga-let-7a-3p inhibits the proliferation and differentiation of chicken intramuscular preadipocytes. Br Poult Sci 2024; 65:34-43. [PMID: 37807894 DOI: 10.1080/00071668.2023.2264807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 09/11/2023] [Indexed: 10/10/2023]
Abstract
1. Intramuscular fat (IMF) is a key parameter for chicken meat quality. IMF deposition is driven by genetic, nutritional and management factors, with genetics being the determining factor. Previous whole transcriptome sequencing revealed that microRNA gga-let-7a-3p was related to lipid metabolism in breast muscle. This study further investigated the potential role of gga-let-7a-3p in IMF deposition.2. The mimic and inhibitor of gga-let-7a-3p were individually transfected into chicken intramuscular preadipocytes. Subsequently, the proliferation and differentiation states of the cells were detected. Transcriptome sequencing was performed on cells transfected with gga-let-7a-3p mimic.3. The results indicated that gga-let-7a-3p suppressed the mRNA levels of proliferation and differentiation-related genes, as well as the protein levels. EdU and Oil Red O assays revealed that gga-let-7a-3p restrained preadipocyte proliferation and differentiation. In addition, a total of 333 up-regulated genes and 807 down-regulated genes were identified in cells transfected with gga-let-7a-3p mimic. Using Kyoto Encyclopaedia of Genes and Genomes (KEGG) and Gene Ontology (GO) analysis, differential genes were found to be enriched in processes such as the peroxisome proliferator activated receptor (PPAR) signalling pathway and oxidative phosphorylation.4. The study demonstrated that gga-let-7a-3p inhibits the proliferation and differentiation of chicken intramuscular preadipocytes, which provides new understanding to further unravel the function of gga-let-7a-3p.
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Affiliation(s)
- P Ren
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, China
| | - M Chen
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, China
| | - Q Liu
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, China
| | - J Wu
- Institute of Animal Science and Technology of Aba Tibetan and Qiang Autonomous Prefecture, Aba, Sichuan, China
| | - R Li
- Institute of Animal Science and Technology of Aba Tibetan and Qiang Autonomous Prefecture, Aba, Sichuan, China
| | - Z Lin
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - J Li
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, China
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Gong Y, Lin Z, Wang Y, Liu Y. Research progress of non-coding RNAs regulation on intramuscular adipocytes in domestic animals. Gene 2023; 860:147226. [PMID: 36736503 DOI: 10.1016/j.gene.2023.147226] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 01/07/2023] [Accepted: 01/20/2023] [Indexed: 02/05/2023]
Abstract
Intramuscular fat (IMF) is the main determinant of the economic value of domestic animal meat, and has a vital impact on the sensory quality characteristics, while the content of IMF is mainly determined by the size and number of intramuscular adipocytes. In recent years, due to the development of sequencing technology and omics technology, a large number of non-coding RNAs have been identified in intramuscular adipocytes. Non-coding RNAs are a kind of RNA regulatory factors with biological functions but without translation function, which mainly include microRNAs (miRNAs), long non-coding RNAs (lncRNAs) and circular RNAs (circRNAs). These non-coding RNAs regulate the key genes of intramuscular adipocyte growth and development at post-transcriptional level through a variety of regulatory mechanisms, and affect the number and size of intramuscular adipocytes, thus affecting the content of IMF. Here, the review summarizes the candidate non-coding RNAs (miRNAs, lncRNAs, circRNAs) and genes involved in the regulation of intramuscular adipocytes, the related regulation mechanism and signaling pathways, in order to provide reference for further clarifying the molecular regulation mechanism of non-coding RNAs on intramuscular adipocytes in domestic animals.
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Affiliation(s)
- Yanrong Gong
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Zhongzhen Lin
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Yan Wang
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Yiping Liu
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China.
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Yun J, Huang X, Liu C, Shi M, Li W, Niu J, Cai C, Yang Y, Gao P, Guo X, Li B, Lu C, Cao G. Genome-wide analysis of circular RNA-mediated ceRNA regulation in porcine skeletal muscle development. BMC Genomics 2023; 24:196. [PMID: 37046223 PMCID: PMC10099641 DOI: 10.1186/s12864-023-09284-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 03/30/2023] [Indexed: 04/14/2023] Open
Abstract
BACKGROUND As a diverse and abundant class of endogenous RNAs, circular RNAs (circRNAs) participate in various biological processes including cell proliferation and apoptosis. Nevertheless, few researchers have investigated the role of circRNAs in muscle development in cultivated pigs. RESULTS In this study, we used RNA-seq to construct circRNA expression profiles in skeletal muscle of Jinfen White pigs at the age of 1, 90, and 180 days. Among the 16,990 identified circRNAs, 584 circRNAs were differentially expressed. Moreover, the enrichment analysis of DE circRNA host genes showed that they were mainly involved in muscle contraction, muscle organ development and muscle system processes, as well as AMPK and cAMP-related signal pathways. We also constructed a circRNA-miRNA-mRNA co-expression network to find key circRNAs which many involved in the regulation of porcine skeletal muscle development through the competitive endogenous RNA (ceRNA) mechanism. It is noteworthy that circ_0018595/miR-1343/PGM1 axis may play a regulatory role in the development of porcine skeletal muscle. CONCLUSIONS This study identified the circRNAs and present the circRNA expression profile in the development of pigs, revealed that DE circRNA host genes participate in different cell fates and enriched the porcine ceRNA network. Thus, this work will become a valuable resource for further in-depth study of the regulatory mechanism of circRNA in the development of porcine skeletal muscle.
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Affiliation(s)
- Jiale Yun
- College of Animal Science, Shanxi Agricultural University, Taigu, 030801, China
| | - Xiaoyu Huang
- College of Animal Science, Shanxi Agricultural University, Taigu, 030801, China
| | - Chang Liu
- College of Animal Science, Shanxi Agricultural University, Taigu, 030801, China
| | - Mingyue Shi
- College of Animal Science, Shanxi Agricultural University, Taigu, 030801, China
| | - Wenxia Li
- College of Animal Science, Shanxi Agricultural University, Taigu, 030801, China
| | - Jin Niu
- College of Animal Science, Shanxi Agricultural University, Taigu, 030801, China
| | - Chunbo Cai
- College of Animal Science, Shanxi Agricultural University, Taigu, 030801, China
| | - Yang Yang
- College of Animal Science, Shanxi Agricultural University, Taigu, 030801, China
| | - Pengfei Gao
- College of Animal Science, Shanxi Agricultural University, Taigu, 030801, China
| | - Xiaohong Guo
- College of Animal Science, Shanxi Agricultural University, Taigu, 030801, China
| | - Bugao Li
- College of Animal Science, Shanxi Agricultural University, Taigu, 030801, China
| | - Chang Lu
- College of Animal Science, Shanxi Agricultural University, Taigu, 030801, China.
| | - Guoqing Cao
- College of Animal Science, Shanxi Agricultural University, Taigu, 030801, China.
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miRNA expression patterns in blood leukocytes and milk somatic cells of goats infected with small ruminant lentivirus (SRLV). Sci Rep 2022; 12:13239. [PMID: 35918371 PMCID: PMC9344810 DOI: 10.1038/s41598-022-17276-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 07/22/2022] [Indexed: 11/08/2022] Open
Abstract
The study aims to determine the selected miRNAs expression in milk somatic cells (MSC) and blood leukocytes (BL) of SRLV-seronegative (SRLV-SN) and SRLV-seropositive (SRLV-SP) goats. A functional in silico analysis of their target genes was also conducted. MiR-93-5p and miR-30e-5p were expressed only in BL, while miR-144 was expressed only in MSC, regardless of SRLV infection. In the SRLV-SP goats, higher miR-214-3p and miR-221-5p levels were found in the MSC than in the BL. Only miR-30e-5p was influenced by the lactation stage in BL in both groups, while only miR-93-5p was altered in BL of SRLV-SN goats. The target gene protein products exhibited contradictory functions, protecting the host from virus on the one hand and assisting viruses in their life cycle on the other. The differential expression of the miRNAs observed between the MSC and BL of SRLV-SP goats may suggest that the local immune response to the infection in the udder differs from the systemic response, and acts independently. Some miRNAs demonstrated different expression between lactation stages. It may be influenced by the metabolic burden occurring in early lactation and its peak. Some of the studied miRNAs may influence viral infection by regulating the expression of their target genes.
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