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Integrated analysis of lncRNAs and mRNAs by RNA-Seq in secondary hair follicle development and cycling (anagen, catagen and telogen) of Jiangnan cashmere goat (Capra hircus)

文献类型： 外文期刊

作者： Wu, Cuiling 1 ; Qin, Chongkai 4 ; Fu, Xuefeng 3 ; Huang, Xixia 1 ; Tian, Kechuan 2 ;

作者机构： 1.Xinjiang Agr Univ, Coll Anim Sci, Urumqi 830052, Peoples R China

2.Shandong Acad Agr Sci, Inst Anim Sci & Vet Med, Jinan 250100, Peoples R China

3.Xinjiang Acad Anim Sci, Key Lab Genet Breeding & Reprod Xinjiang Wool She, Inst Anim Sci, Urumqi 830011, Peoples R China

4.Xinjiang Aksu Prefecture Anim Husb Technol Extens, Aksu 843000, Peoples R China

关键词： Goat hair follicles; Signaling pathways; Differentially expressed genes; Photoperiodism

期刊名称：BMC VETERINARY RESEARCH （ 影响因子：2.792； 五年影响因子：3.008 ）

ISSN：

年卷期： 2022 年 18 卷 1 期

页码：

收录情况： SCI

摘要： Background Among the world's finest natural fiber composites is derived from the secondary hair follicles (SHFs) of cashmere goats yield one of the world's best natural fibres. Their development and cycling are characterized by photoperiodism with diverse, well-orchestrated stimulatory and inhibitory signals. Long non-coding RNA (lncRNAs) and mRNAs play important roles in hair follicle (HF) development. However, not many studies have explored their specific functions in cashmere development and cycling. This study detected mRNAs and lncRNAs with their candidate genes and related pathways in SHF development and cycling of cashmere goat. We utilized RNA sequencing (RNA-Seq) and bioinformatics analysis on lncRNA and mRNA expressions in goat hair follicles to discover candidate genes and metabolic pathways that could affect development and cycling (anagen, catagen, and telogen). Results We identified 228 differentially expressed (DE) mRNAs and 256 DE lncRNA. For mRNAs, catagen and anagen had 16 upregulated and 35 downregulated DEGs, catagen and telogen had 18 upregulated and 9 downregulated DEGs and telogen and anagen had 52 upregulated and 98 downregulated DEGs. LncRNA witnessed 22 upregulated and 39 downregulated DEGs for catagen and anagen, 36 upregulated and 29 downregulated DEGs for catagen and telogen as well as 66 upregulated and 97 downregulated DEGs for telogen and anagen. Several key genes, including MSTRG.5451.2, MSTRG.45465.3, MSTRG.11609.2, CHST1, SH3BP4, CDKN1A, GAREM1, GSK-3 beta, DEFB103A KRTAP9-2, YAP1, S100A7A, FA2H, LOC102190037, LOC102179090, LOC102173866, KRT2, KRT39, FAM167A, FAT4 and EGFL6 were shown to be potentially important in hair follicle development and cycling. They were related to, WNT/beta-catenin, mTORC1, ERK/MAPK, Hedgehog, TGF beta, NFkB/p38MAPK, caspase-1, and interleukin (IL)-1a signaling pathways. Conclusion This work adds to existing understanding of the regulation of HF development and cycling in cashmere goats via lncRNAs and mRNAs. It also serves as theoretical foundation for future SHF research in cashmere goats.

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