4.6 Article

Identification of Key Pathways and Genes Related to the Development of Hair Follicle Cycle in Cashmere Goats

Journal

GENES
Volume 12, Issue 2, Pages -

Publisher

MDPI
DOI: 10.3390/genes12020180

Keywords

hair follicle cycle; WGCNA; coexpression network; hub genes

Funding

  1. National Natural Science Foundation of China [31501990]

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Periodic changes in hair follicle development in cashmere goats are influenced by regulatory molecules and signal pathways. WGCNA analysis identified 6 coexpression modules closely related to the hair follicle cycle, suggesting potential candidate markers for improving cashmere production.
The development of hair follicle in cashmere goats shows significant periodic change, as with mice and humans. However, for cashmere goat with double-coat, the periodic change may be due to other regulatory molecules and signal pathways. To understand the mechanism of periodic development of hair follicle, we performed a weighted gene coexpression network analysis (WGCNA) to mine key genes and establish an interaction network by utilizing the NCBI public dataset. Ten coexpression modules, including 7689 protein-coding genes, were constructed by WGCNA, six of which are considered to be significantly related to the development of the hair follicle cycle. A functional enrichment analysis for each model showed that they are closely related to ECM- receptor interaction, focal adhesion, PI3K-Akt signaling pathway, estrogen signaling pathway, and so on. Combined with the analysis of differential expressed genes, 12 hub genes from coexpression modules were selected as candidate markers, i.e., COL1A1, C1QTNF6, COL1A2, AQP3, KRTAP3-1, KRTAP11-1, FA2H, NDUFS5, DERL2, MRPL14, ANTKMT and XAB2, which might be applied to improve cashmere production.

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