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Transcriptome analysis reveals differences in vasculature signalling between human dermal papilla cells from balding and non-balding scalp

ABSTRACT: Transcriptome analysis of hTERT-immortalized balding (BAB) and non-balding (BAN) dermal papilla cells derived from frontal and occipital scalp of male patients with androgenetic alopecia Hamilton grade IV. Interrogation of transcriptome differences between BAB and BAN after dihydrotestosterone (DHT, active metabolite of androgen) treatment revealed significant enrichment of vasculature-related genes among down-regulated genes in BAB compared to BAN.

ORGANISM(S): Homo sapiens

PROVIDER: GSE66664 | GEO | 2016/04/20

SECONDARY ACCESSION(S): PRJNA277691

REPOSITORIES: GEO

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Dermal papilla signature gene expression in immortalized human dermal papilla cells from balding and non-balding scalp

Project description:Transcriptome analysis of DP signature gene expression in hTERT-immortalized balding (BAB) and non-balding (BAN) dermal papilla cells derived from frontal and occipital scalp of male patients with androgenetic alopecia Hamilton grade IV.

2016-04-20 | GSE66663 | GEO

RNA-seq of 3D-culture balding and non-balding dermal papilla cells

Project description:Androgenetic alopecia (AGA, male patterned baldness) is a prevalent hair loss condition in males that develops due to the influence of androgens and genetic predisposition. With the aim of elucidating genes involved in AGA pathogenesis, we cultured immortalised balding human dermal papilla cells (BAB) and immortalised non-balding human dermal papilla cells (BAN) in 3-dimensional culture format, and compared gene expression using RNA-seq between BAB and BAN cells.

2022-09-27 | GSE184866 | GEO

RNA-seq of 2D-culture balding and non-balding dermal papilla cells

Project description:Androgenetic alopecia (AGA, male patterned baldness) is a prevalent hair loss condition in males that develops due to the influence of androgens and genetic predisposition. With the aim of elucidating genes involved in AGA pathogenesis, we cultured immortalised balding human dermal papilla cells (BAB) and immortalised non-balding human dermal papilla cells (BAN) in 2-dimensional culture format, and compared gene expression using RNA-seq between BAB and BAN cells.

2022-09-27 | GSE184501 | GEO

Transcriptome comparison of balding and non-balding dermal papilla aggregates from NHEK co-culturing

Project description:Androgenetic alopecia (AGA, male patterned baldness) is a prevalent hair loss condition in males that develops due to the influence of androgens and genetic predisposition. The keratinocytes-surrounded spheroid dermal papilla (DP) at the base of the hair follicle is essential in hair morphogenesis and cycling. With the aim of elucidating genes involved in AGA pathogenesis, we co-cultured immortalised balding and non-balding human DP cells (DPC) derived from male AGA patients with epidermal keratinocyte (NHEK) using multi-interfacial polyelectrolyte complexation (MIPC) technique, and compared gene expression using RNA-seq between isolated balding and non-balding DP aggregates.

2021-06-23 | GSE93766 | GEO

RNA-Seq of anagen pilosebaceous units (PUs) isolated from occipital and vertex scalp regions of 10 Hamilton grade IV male androgenetic alopecia (AGA) volunteers

Project description:10 pilosebaceous units (PUs) at the anagen phase were isolated from each involved (balding; vertex) and non-involved (control; occipital) scalp region using the follicular unit extraction (FUE) technique.

2020-11-30 | E-MTAB-9557 | biostudies-arrayexpress

Adipose transcriptome in the scalp of androgenetic alopecia

Project description:To identify differentially expressed genes in androgenetic alopecia specifically in the adipose, adipose tissue samples from affected male participants were collected through punch biopsy at two different sites: bald (frontal) and normal (occipital,as control) scalp. After removal of the epidermis, dermis and hair follicle, we isolated RNA from the remaining adipose layer of the bald and normal scalp then performed gene expression analysis on the RNA-seq data to compare the profiles of the bald and normal scalp.

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Expression data obtained from primary dermal papilla cell cultures and human hair follicle organ culture from occipital scalp

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Prostaglandin D2 Inhibits Hair Growth and Is Elevated in Bald Scalp of Men with Androgenetic Alopecia

Project description:Testosterone is necessary for the development of male pattern baldness, known as androgenetic alopecia (AGA); yet the mechanisms for decreased hair growth in this disorder are unclear. Here, we show that prostaglandin D2 synthase (PTGDS) is elevated at the mRNA and protein levels in bald scalp compared to haired scalp of men with AGA. The product of PTGDS enzyme activity, prostaglandin D2 (PGD2), is similarly elevated in bald scalp. During normal follicle cycling in mice Ptgds and PGD2 levels increase immediately preceding the regression phase, suggesting an inhibitory effect on hair growth. We show that PGD2 inhibits hair growth in explanted human hair follicles and when applied topically to mice. Hair growth inhibition requires the PGD2 receptor G protein-coupled receptor 44 (GPR44), but not the prostaglandin D2 receptor 1(PTGDR). Furthermore, we find that a transgenic mouse, K14-Ptgs2, which targets prostaglandin-endoperoxide synthase 2 expression to the skin, demonstrates elevated levels of PGD2 in the skin and develops alopecia, follicular miniaturization and sebaceous gland hyperplasia, which are all hallmarks of human AGA. These results define PGD2 as an inhibitor of hair growth in AGA and suggest the PGD2-GPR44 pathway as a potential target for treatment. 5 individuals with Androgenetic Alopecia were biopsied at both their haired and bald scalp for mRNA purification and microarray (total 10 arrays)

2012-03-26 | E-GEOD-36169 | biostudies-arrayexpress

RNA-Seq of anagen pilosebaceous units (PUs) isolated from occipital and vertex scalp regions of 10 Hamilton grade IV male androgenetic alopecia (AGA) volunteers

Project description:RNA-Seq of anagen pilosebaceous units (PUs) isolated from occipital and vertex scalp regions of 10 Hamilton grade IV male androgenetic alopecia (AGA) volunteers

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RNA-microarray analyses and protein profiles from affected and clinically non-affected scalp in male androgenetic alopecia patients

Project description:The aim of this pilot study was to combine standard clinical diagnostics with RNA and protein analyses from non-invasively obtained material. In 6 male volunteers with AGA, Norwood-Hamilton stage IIIv-IV, we performed global photography, phototrichogram, pH and sebum measurements, as well as skin surface cytokine measurements on AGA-affected frontal and vertex scalp skin compared to clinically unaffected occiput.

2017-06-30 | GSE78722 | GEO

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