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Single-cell transcriptomics reveals natural product Shi-Bi-Man promotes hair regeneration

ABSTRACT: Purpose: This study aimed to explore the mechanism of SBM to promote hair regeneration through single-cell transcriptomics Methods: Supplementation with intragastric administration or smear administration of SBM in artificially shaved C57BL/6 mice to observe its hair growth. Single-cell RNA sequencing were performed to explore the role of SBM for hair regeneration. Results: SBM significantly induced hair growth compared with control treatment.The results of single-cell sequencing revealed that after SBM treatment, the number of hair follicle stem cells (HFSCs) and dermal papilla cells (DPCs) increased significantly. Cell interactions and volcano maps show that interaction of FGF signaling pathway was significantly enhanced, in which FGF7 expression was especially upregulated in DPCs. In addition, Wnt signaling pathway also had a partially enhanced effect on the interactions between various cells in the skin. Network pharmacology study showed that the promotion of FGF and Wnt pathways by SBM was also enriched in alopecia diseases. Conclusion: We report that SBM has a potential effect on the promotion of hair growth by mainly activating FGF signaling pathway. The use of SBM may be a novel therapeutic option for hair loss.

ORGANISM(S): Mus musculus

PROVIDER: GSE196677 | GEO | 2023/02/14

REPOSITORIES: GEO

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Human dermal papilla cell culture medium iTRAQ

Project description:Alopecia is an exceedingly prevalent problem and lacks effective therapy. Recently, research has focused on early-passage dermal papilla cells (DPCs), which have hair inducing activity both in vivo and in vitro. Our previous study indicated that factors secreted from early-passage DPCs contribute to hair follicle (HF) regeneration. To identify which factors are responsible for HF regeneration and why late-passage DPCs lose this potential，we collected 48-h-culture medium (CM) from both of passage 3 and 9 DPCs and subcutaneously injected the DPC-CM into NU/NU mice. Passage 3 DPC-CM induced HF regeneration, based on the emergence of a white hair coat, but passage 9 DPC-CM not. In order to identify the key factors responsible for hair inductive capacity, CM from passage 3 and 9 DPCs was analyzed by iTRAQ-based quantitative proteomic technology. We identified 1360 proteins, of which 213 proteins were differentially expressed between CM from early-passage vs. late-passage DPCs, including SDF1, MMP3, biglycan and LTBP1.Further analysis indicated that the differentially-expressed proteins regulated the Wnt, TGF-β and BMP signaling pathways, which directly and indirectly participate in HF morphogenesis and regeneration. Subsequently, we selected 19 proteins for further verification by multiple reaction monitoring (MRM) between the two types of CM. These results would be used to identify the key factors for inducing HF regeneration and reveal the molecular mechanisms of losing inductive ability of DPCs. Furthermore, it is possible to explore some drugs for alopecia in the clinic according to this secretome date analysis.

2018-10-26 | PXD004201 | Pride

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Detection of the expression profiles of mRNA and miRNA between dermal papilla cells and hair matrix cells of yak hair follicle [RNA-seq]

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RNA-Seq of human fetal and adult scalp hair follicle dermal papilla (DP), dermal sheath cup (DSC), and interfollicular dermal (IFD) cells

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Gene expression profiling of total RNA isolated from hiPSC-derived DPPCs, hiPSC-derived NCSCs, cultured hDPC spheres, cultured hDPC

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Transcription profiles of human dermal sheath cells cultured under 20%-O2 or 6%-O2 condition

2021-01-21 | GSE125402 | GEO

Isolated of dermal papilla cells from follicular unit extraction

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