Interpretation of the Yak Skin Single-Cell Transcriptome Landscape

文献类型： 外文期刊

第一作者： Zheng, Qingbo

作者： Zheng, Qingbo;Ye, Na;Bao, Pengjia;Wang, Tong;Ma, Chaofan;Chu, Min;Wu, Xiaoyun;Guo, Xian;Liang, Chunnian;Yan, Ping;Zheng, Qingbo;Ye, Na;Bao, Pengjia;Wang, Tong;Ma, Chaofan;Chu, Min;Wu, Xiaoyun;Guo, Xian;Liang, Chunnian;Yan, Ping;Kong, Siyuan;Pan, Heping;Yan, Ping

作者机构：

关键词： yak; scRNA-seq; fibroblasts; cell fate decision

期刊名称：ANIMALS （ 影响因子：3.0； 五年影响因子：3.2 ）

ISSN： 2076-2615

年卷期： 2023 年 13 卷 24 期

页码：

收录情况： SCI

摘要： Simple Summary Yaks can grow in extremely harsh natural environmental conditions, such as high altitude, low temperature, and hypoxia, and hair plays an important role. As an appendage of the skin, hair follicles involve the specialization of various types of cells and intercellular communication during morphogenesis. Here, we used single-cell RNA sequencing technology to identify 11 cell types from the scapular skin of yaks, constructed a transcription map of the main cells of hair follicles in the skin, and described the heterogeneity of DP cells and dermal fibroblasts in the hair follicle cycle. Our findings provide a molecular landscape of the fate determination process of dermal cell lineages. Our research provides valuable resources for further exploration of the molecular pathways involved in hair follicles. The morphogenesis of hair follicle structure is accompanied by the differentiation of skin tissue. Mammalian coats are produced by hair follicles. The formation of hair follicles requires signal transmission between the epidermis and dermis. However, knowledge of the transcriptional regulatory mechanism is still lacking. We used single-cell RNA sequencing to obtain 26,573 single cells from the scapular skin of yaks at hair follicle telogen and anagen stages. With the help of known reference marker genes, 11 main cell types were identified. In addition, we further analyzed the DP cell and dermal fibroblast lineages, drew a single-cell map of the DP cell and dermal fibroblast lineages, and elaborated the key genes, signals, and functions involved in cell fate decision making. The results of this study provide a very valuable resource for the analysis of the heterogeneity of DP cells and dermal fibroblasts in the skin and provide a powerful theoretical reference for further exploring the diversity of hair follicle cell types and hair follicle morphogenesis.

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