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RNAseq of organ-cultured human hair follicles exposed to MEKi (Cobimetinib)

ABSTRACT: RNAseq of organ-cultured human hair follicles exposed to MEKi (Cobimetinib)

PROVIDER: PRJEB67578 | ENA |

REPOSITORIES: ENA

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RNAseq of organ-cultured human hair follicles exposed to MEKi (Cobimetinib)

Project description:EGFR/MEK inhibitor therapy induces a distinct inflammatory hair follicle response that includes a collapse of hair follicle immune privilege and differential modulation of IL-33 and IL-37 expression. Our findings suggest that successful future management of EGFRi/MEKi-induced folliculitis requires restoration of hair follicle immune privilege. In this RNAseq organ-cultured human hair follicles were directly exposed to MEKi (Cobimetinib) or the control DMSO (n=5 patients (6-8 hair follicles per patient)).

2024-07-19 | E-MTAB-13454 | biostudies-arrayexpress

Distinct types of stem cell divisions determine organ regeneration and aging in hair follicles

Project description:Aging organs functionally and structurally decline with the loss of their regenerative capabilities, yet the existence of distinct cell division programs that determine organ fates is unknown. Hair follicles, mammalian mini-organs that grow hair, miniaturize by aging. Here we report that hair follicle regeneration and aging are driven by distinct cell division types of hair follicle stem cells (HFSCs). Cell fate tracing and cell division axis analysis in mice revealed that HFSCs undergo symmetric and asymmetric cell divisions to generate a new bulge, yet preferentially provoke “stress-responsive type” asymmetric cell divisions that generate aberrantly differentiating cells upon age/stress. That dynamic program with repetitive divisions efficiently eradicates those cells through defective association and stabilization of a hemidesmosomal protein COL17A1 and a cell-polarity-protein aPKCλ in HFSCs, thereby causing organ aging. The forced stabilization of COL17A1 rescued organ aging through aPKCλ stabilization. These results demonstrate that distinct cell division programs govern tissue/organ fates.

2020-12-25 | GSE124119 | GEO

Human Hair follicles: Control Vs. 0.5 µM spermidine treatment

Project description:To compare the effects of spermidine, key polyamine, on the gene expression profile of organ cultured human hair follicles

2011-04-16 | GSE28650 | GEO

Human Hair follicles: Control Vs. 0.5 µM spermidine treatment

Project description:To compare the effects of spermidine, key polyamine, on the gene expression profile of organ cultured human hair follicles Vehicle treated Vs. 0.5 µM spermidine treatment. Two control samples, two spermidine treated samples

2011-04-16 | E-GEOD-28650 | biostudies-arrayexpress

RNA-seq data of human scalp hair follicles following SEP1 phage treatment

Project description:Human scalp hair follicles were snapfrozen directly after surgery or organ-cultured in the presence/absence of SEP1 phages. After treatment total RNA was isolated and prepared for RNA-seq

2024-01-08 | GSE225849 | GEO

Effect of GMG-43-AC on hair follicles

Project description:In recent years, there is a growing interest in the role of PPARγ agonists in skin biology. Specifically, we have previously shown that agonistic PPARγ modulators affect hair follicle growth and function. PPARγ-mediated signalling has also been implicated in the regulation of mitochondrial energy metabolism in several tissues (adipose and brain), but how PPARγ-stimulation affects mitochondrial biology in the skin is still unknown. In this study, we aimed to explore the effects of PPARγ-stimulation in organ cultured human hair follicles.

2018-03-01 | GSE109009 | GEO

FGF18 Signaling for Hair Cycle Resting Phase Determines Radioresistance of Hair Follicles by the Arrest of Hair Cycling

Project description:Telogen (resting phase) hair follicles are more radioresistant than anagen (growth phase) ones. Irradiation of BALB/c mice in the anagen phase with γ-rays at 6 Gy induced hair follicle dystrophy, whereas irradiation in the telogen phase induced the arrest of hair follicle elongation without any dystrophy after post-irradiation depilation. In contrast, FGF18 was highly expressed in the telogen hair follicles to maintain the telogen phase and also the quiescence of hair follicle stem cells. Therefore, the inhibition of FGF receptor signaling at telogen induced the dystrophy after post-irradiation depilation. In addition, the administration of recombinant FGF18 suppressed cell proliferation in the hair follicles and enhanced the repair of radiation-induced DNA damage, so FGF18 protected the anagen hair follicles against radiation damage to enhance hair regeneration. Moreover, FGF18 reduced the expression of cyclin B1 and cdc2 in the skin and FGF18 signaling induced G2/M arrest in the keratinocyte cell line HaCaT, although no obvious change of the expression of DNA repair genes was detected by DNA microarray analysis. These findings suggest that FGF18 signaling for the hair cycle resting phase causes radioresistance in telogen hair follicles by arresting the proliferation of hair follicle cells.

2017-06-03 | GSE69501 | GEO

Hair follicles modulate skin barrier function

Project description:Hair follicles modulate skin barrier function

| PRJNA1072231 | ENA

Gene Expression in Unstaged Head Hair Follicles Plucked from Men and Women

Project description:Investigation of Gene Expression Profiling in Unstaged Head Hair Follicles Plucked from Men and Women Keywords: Gene Expression Profiling of Normal Hair Follicles

2006-06-30 | GSE3058 | GEO

Distinct types of stem cell divisions determine organ regeneration and aging in hair follicles

Project description:Distinct types of stem cell divisions determine organ regeneration and aging in hair follicles

| PRJNA510803 | ENA