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- Title
Effect of CXCL17 on Subcutaneous Preadipocytes Proliferation in Goats.
- Authors
Lu, Guangyu; Ma, Xiaotong; Wang, Fei; Chen, Dingshuang; Lin, Yaqiu; Wang, Youli; Liu, Wei; Li, Yanyan
- Abstract
Simple Summary: There are many existing studies related to goat adipose deposition. However, no studies have reported the role of the CXCL17 gene on adipose deposition in goats before. The aim of this study was to explore the effect of CXCL17 on goat subcutaneous preadipocytes proliferation and provide potential targets for goat-directed molecular breeding. The results showed that the exogenous expression of CXCL17 at different doses had different regulatory effects on the proliferation of subcutaneous preadipocytes of goats. The presence or absence of subcutaneous adipose accumulation will affect the energy storage, insulation resistance and metabolism of animals. Proliferation and differentiation of preadipocytes play a significant role in lipid deposition. The objective of this study was to clone the goat CXCL17 gene and investigate its potential functions on goat subcutaneous preadipocytes' proliferation by gaining or losing function in vitro. The goat CXCL17 gene was cloned by Reverse Transcription-Polymerase Chain Reaction (RT-PCR) and bioinformatics analysis was performed. The expression of the CXCL17 gene in the different goat tissues and adipocytes at different differentiation stages was detected by real-time fluorescence quantitative PCR (qPCR). The results showed that the cloned sequence of goat CXCL17 gene is 728 bp and the CDS region is 357 bp, encoding 118 amino acids. CXCL17 protein is located in nucleus, cytoplasm, mitochondria and extracellular matrix. Tissue-expression profiles revealed that CXCL17 expressed in all of the examined tissues. In visceral tissues, the highest expression level was found in lung (p < 0.01); in muscle tissues, the highest CXCL17 expression level was found in the longissimus dorsi (p < 0.01) and in adipose tissues, the highest expression level was found in subcutaneous adipose (p <0.01). Compared with those cells before differentiation, CXCL17 expression levels upregulated at 48 h (p < 0.01), 72 h (p < 0.01), 120 h (p < 0.01) and downregulated at 96 h (p < 0.01). Furthermore, the results of crystal violet staining and semi-quantitative assay showed that transfection with 1 μg CXCL17 expression plasmid reduced the cell numbers in vitro. Meanwhile, the expression of CCND1 was significantly decreased. A similar consequence happened after interfering with CXCL17 expression. However, plasmid transfected with 2 μg pEGFPN1-CXCL17 increased the number of cells in vitro. These results suggest that CXCL17 is involved in the proliferation of goat subcutaneous preadipocytes.
- Subjects
ADIPOSE tissues; GOATS; GENE expression; MOLECULAR cloning; CELL differentiation; GENTIAN violet; ADIPOGENESIS
- Publication
Animals (2076-2615), 2023, Vol 13, Issue 11, p1757
- ISSN
2076-2615
- Publication type
Article
- DOI
10.3390/ani13111757