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Effects of WAY267464 or LIT001 on the hair growth ability of dermal papilla cells

ABSTRACT: We examined effects of WAY267464 or LIT001 on the hair growth ability of dermal papilla cells.

ORGANISM(S): Homo sapiens

PROVIDER: GSE256023 | GEO | 2025/06/01

REPOSITORIES: GEO

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Effects of cinnamic acid on the hair growth ability of dermal papilla cells

Project description:We examined effects of cinnamic acid on the hair growth ability of dermal papilla cells. Treatment with cinnamic acid led to upregulation of G-protein coupled receptor signaling pathway and neuroactive ligand-receptor interaction in human DP cells.

2024-03-06 | GSE252536 | GEO

Effects of oxytocin on the hair growth ability of dermal papilla cells

Project description:Oxytocin (OXT) is a neuropeptide hormone termed “love hormone” that is produced and released during childbirth and lactation. It is also produced in response to stimulation of the skin (e.g., during hugging and massaging) and music therapy, among others. The effects of OXT on various organs have been revealed in recent years; however, the relationship between hair follicles and OXT remains unclear. In this study, we examined the effects of OXT on dermal papilla (DP) cells, that control hair growth by secreting growth/regression signals. Gene expression analysis revealed that DP functional markers were significantly upregulated in DP cells treated with OXT. In addition, we tested the hair growth-promoting effects of OXT using in vitro hair follicle organoids. OXT promoted the growth of hair peg-like sprouting by upregulating the expression of hair growth-promoting factors including genes encoding vascular endothelial growth factor A (VEGFA). This study highlights the positive effects of OXT in hair follicles and may assist in the development of new treatments for alopecia.

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Global profiling of human hair follicle scalp dermal papilla cells using Affymetrix microarrays

Project description:Dermal papilla cells isolated from the human hair follicle are capable of inducing hair growth in recipient epithelia. However, demonstrating disparity from rodent dermal papilla, human cells lose this inductive competance immediately upon growth in culture under normal growth conditions. We grew dermal papilla cells in hanging drop cultures that are morphologically akin to intact dermal papilla, and found that by enhancing the environment for aggregation, we could restore the inductive capacity of human dermal papilla cells in culture. The underlying genes that regulate the inductive potential of dermal papilla cells is not well understood, and we sought to use global profiling to identify key genes and pathways related to inductive competance within dermal papilla cells. We used Affymetrix microarrays to profile human dermal papilla cells in both hair inducing, and non-hair inducing states. Affymetrix microarrays were used to to perform profiling of human dermal papilla cells, both as intact tissues (freshly isolated from scalp), and at several stages in subsequent two dimensional culture; cell explant outgrowths (p0), cells at passage 1 (p1), passage 3 (p3) and passage 5 (p5). RNA was isolated from cultured cells 72 hours after feeding. Cells at passage 3 were also grown in hanging drops to form dermal spheroids, that were used for RNA collection 48 hours after establishment. All experiments were performed using tissue from three biological replicates (#D5, D6, D7),

2013-10-20 | E-GEOD-44765 | biostudies-arrayexpress

Global profiling of human hair follicle scalp dermal papilla cells using Affymetrix microarrays

2013-10-20 | GSE44765 | GEO

Effects of oxytocin on the hair growth ability of dermal papilla cells

Project description:Effects of oxytocin on the hair growth ability of dermal papilla cells

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Gene expression profiling of adult hair follicle dermal stem cells and progeny, dermal sheath and dermal papilla cells

Project description:Here we have developed a novel FACS strategy to prospectively isolate hair follicle dermal stem cells, dermal sheath and dermal papilla cells from adult skin initiating synchronous hair follicle regeneration and identified Hic1 as a marker of hfDSCs and Rspondins as stimulators of hfDSCs and epithelial cells, and subsequently hair follicle regeneration

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Effects of cinnamic acid on the hair growth ability of dermal papilla cells

Project description:Effects of cinnamic acid on the hair growth ability of dermal papilla cells

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Effects of WAY267464 or LIT001 on the hair growth ability of dermal papilla cells

Project description:Effects of WAY267464 or LIT001 on the hair growth ability of dermal papilla cells

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Comparative gene expression analysis of 2 subpopulations of dermal papilla cells.

Project description:Different types of hair follicles can be found in the skin of mice. It is believed that the signals that control hair follicle differentiation arise from cells in a structure called the dermal papilla. Understanding the nature of those signals is of interest for the biology of the normal tissue. We have developed a technique for isolation of dermal cells by enzymatic digestion of intact skin. We have identified two subpopulations of cells that can be separated by FACS. The Sox2-positive CD133-positive cells are found exclusively in the dermal papillae of guard/awl/auchene hairs, while Sox2-negative, CD133-positive cells are found in the other hair follicle types. We compared these populations with unfractionated dermal cells. We isolated the following 3 populations of cells from the back skin of neonatal mice (P2) by Flow Cytometry: 1) GFP-CD133- Total dermal cells 2) GFP-CD133+ Dermal Papilla cells 3) GFP+CD133+ Dermal Papilla cells The yield is approximately 50,000 cells of each population.

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Introduction of the TERT and BMI1 Genes into Murine Dermal Papilla Cells Ameliorates Hair Inductive Activity

Project description:Dermal papilla cells (DPCs) are located at the bottom of hair follicles and play important roles on hair induction by interacting with epidermal cells. DPCs are promising cell sources for hair regeneration therapy for alopecia patients. However, freshly isolated DPCs rapidly lose their hair inductive activity and proliferative potential under culture conditions. We examined the effects of telomere reverse transcriptase (TERT) and B-cell-specific Moloney murine leukemia virus insertion region 1 (BMI1) on extending the life span of murine DPCs as well as on hair inductive activity.TERT and BMI1 genes were introduced into murine DPCs using lentivirus vectors. Hair inductive activity of transfected DPCs (t-DPCs) was determined by in vivo chamber assay in nude mice. Transcripts between intact dermal papillae (DPs) and cultured DPCs were compared by microarray analysis.

2017-12-06 | GSE107702 | GEO

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