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Hair follicle stem cells (HF-SCs) can initiate psoriasis-like disease in mice

ABSTRACT: Hair follicle stem cells (HF-SCs) can initiate psoriasis-like disease in mice

PROVIDER: PRJNA490192 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR7815450.fastq.gz	Fastqsanger.gz
	SRR7815460.fastq.gz	Fastqsanger.gz
	SRR7815451.fastq.gz	Fastqsanger.gz
	SRR7815461.fastq.gz	Fastqsanger.gz
	SRR7815452.fastq.gz	Fastqsanger.gz

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Hair follicle stem cells (HF-SCs) can initiate psoriasis-like disease in mice

Project description:Using lineage-tracing in a well-established psoriasis-like mouse model with inducible epidermal deletion of c-Jun and JunB, we found that mutant HF-SCs survive and express a broad group of pro-inflammatory cytokines, whereas mutant inter-follicular epidermal cells (IFE) disappear over time. Mutant HF-SCs initiate epidermal hyperplasia and skin inflammation by priming neighboring non-mutant epidermal cells to acquire a psoriasis-like phenotype. To explore the molecular mechanisms that govern the behavior of these distinct mutant and non-mutant HF-SCs and IFE cell populations during psoriasis-like disease, RNA sequencing analyses of sorted GFP+, Tomato+ HF-SCs and b-KCs from DKO*-mT/mG mice.

2019-08-23 | GSE119762 | GEO

Genome-wide maps of histone modifications unwind in vivo chromatin states of the hair follicle lineage [ChIP-Seq]

Project description:Mouse hair follicles undergo synchronized cycles. Cyclical regeneration and hair growth is fueled by stem cells (SCs). During the rest phase, the HF-SCs remain quiescent due to extrinsic inhibitory signals within the niche. As activating cues accumulate, HF-SCs become activated, proliferate, and grows downward to form transient-amplifying matrix progenitor cells. We used ChIP-seq to reveal the genome-wide maps of histone modifications underlying the states of hair follicle stem cells and their transient-amplifying progeny before differentiation. Quiescent hair follicle stem cells (qHF-SCs), activated hair follicle stem cells (aHF-SCs) and transient-amplifying matrix cells (HF-TACs) were FACS-purified for ChIP-sequcencing.

2011-09-02 | E-GEOD-31239 | biostudies-arrayexpress

Genome-wide maps of histone modifications unwind in vivo chromatin states of the hair follicle lineage

Project description:Mouse hair follicles (HFs) undergo synchronized cycles. Cyclical regeneration and hair growth is fueled by stem cells (SCs). During the rest phase, the HF-SCs remain quiescent due to extrinsic inhibitory signals within the niche. As activating cues accumulate, HF-SCs become activated, proliferate, and grow downward to form transient-amplifying matrix progenitor cells. We used microarrays to detect the relative levels of global gene expression underlying the states of hair follicle stem cells and their transient-amplifying progeny before differentiation. Quiescent hair follicle stem cells (qHF-SCs), activated hair follicle stem cells (aHF-SCs) and transient-amplifying matrix cells (HF-TACs) were FACS-purified for RNA extraction and hybridization on Affymetrix microarrays. To obtain homogeneous populations of expression profiles, we applied the FACS technique to purify SC and TACs according to their cell surface markers.

2011-09-01 | E-GEOD-31028 | biostudies-arrayexpress

Genome-wide maps of histone modifications unwind in vivo chromatin states of the hair follicle lineage

2011-09-02 | GSE31028 | GEO

Genome-wide maps of histone modifications unwind in vivo chromatin states of the hair follicle lineage [ChIP-Seq]

2011-09-02 | GSE31239 | GEO

Differential gene expression in hair follicle-derived germline stem cells (HFGSCs) and germline stem cells (GSCs) compared with hair follicle (HF) cells.

Project description:Comparison of different cell lines between HFGSCs, GSCs, and HF cells at gene expression level. Results provide important information of genes expressed in the HFGSCs.

2018-06-30 | GSE98019 | GEO

Tracing the origin of hair follicle stem cells

Project description:The scRNA-seq data are an integral part of the manuscript with the above title. Using a photo-labelling technique and RamDA-seq as described in the overall design, we obtained accurate scRNA-seq data from developing hair follicles (HFs), reflecting the spatiotemporal dynamics of cellular state transition during HF morphogenesis. Single cell transcriptome analysis identified cell types, which cannot be distinguished by known makers, their signature markers, and transcriptional state changes in developing HFs. By integration of the data from single cell live imaging, our findings revealed the origin and developmental trajectories of tissue stem cells (SCs), leading to a new model of HF development and SC induction with unprecedented resolution.

2021-04-20 | GSE147372 | GEO

High Runx1 levels promote a reversible more differentiated cell-state in hair follicle stem cells during quiescence

Project description:Quiescent hair follicle (HF) bulge stem cells (SCs) differentiate to early progenitor (EP) hair germ (HG) cells, which divide to produce transit-amplifying (TA) matrix cells. EPs can revert to SCs upon injury, but whether this de-differentiation occurs in normal HF homeostasis (hair cycle), and the mechanisms regulating both differentiation and de-differentiation are unclear. Here we use lineage tracing, gain of function, transcriptional profiling, and functional assays to examine the role of observed endogenous Runx1 level changes in the hair cycle. We find that forced Runx1 expression implements hair degeneration (catagen) and simultaneously promotes changes in the quiescent bulge SC transcriptome towards a cell-state resembling the EP HG fate. This cell-state transition is functionally reversible. We propose that SC differentiation and de-differentiation are likely to occur during normal HF degeneration and niche restructuring in response to changes in endogenous Runx1 levels associated with SC location with respect to the niche. Freshly isolated skin cells were FACS sorted based on K15-GFP+/a6-integrin+/CD34- as hair germ and K15-GFP+/a6-integrin+/CD34+ bulge cells. Duplicate samlpes from mice at PD20 that showed telogen morphology throughout skin were used for RNA prepartion and Affymetrix analysis. Wild and transgenic samples after 1-day of doxycycline treatement were compared.

2014-01-15 | E-GEOD-53077 | biostudies-arrayexpress

High Runx1 levels promote a reversible more differentiated cell-state in hair follicle stem cells during quiescence

2014-01-15 | GSE53077 | GEO

Paracrine TGFß Signaling Counterbalances BMP-Mediated Repression in Hair Follicle Stem Cell Activation

Project description:Hair follicle (HF) regeneration begins when communication between quiescent epithelial stem cells (SCs) and underlying mesenchymal dermal papillae (DP) generates sufficient activating cues to overcome repressive BMP signals from surrounding niche cells. We uncovered a hitherto unrecognized DP transmitter, TGFβ2, which activates Smad2/3 transiently in HFSCs concomitant with entry into tissue regeneration. We used microarrays to detect the genes specifically affected by TGFß receptor II-deficient mice upon HFSC activation. Hair follicle stem cells (HFSCs) of hair gem (HG) and bulge, and total skin keratinocytes were FACS-purified from the mouse back skin at 2nd telogen-to-anagen transition stages.

2012-01-04 | E-GEOD-33471 | biostudies-arrayexpress

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