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Mus musculus

ABSTRACT: FGF18 affects hair cycle.

PROVIDER: PRJNA141429 | ENA |

REPOSITORIES: ENA

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Mus musculus

Project description:Fgf18 regulates hair cycle

| PRJNA141431 | ENA

Mus musculus

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

| PRJNA285743 | ENA

Fgf18 regulates hair cycle

Project description:Fgf18 gene is strongly expressed in hair follicles of mouse dorsal skin during regressing (catagen) and resting (telogen) phases of hair cycle, but not in growth (anagen) phase. This study aims at identifying the function of Fgf18 in the regulation of hair cycle. To define target genes of Fgf18 during telogen phase of hair cycle, we generated mice in which Fgf18 gene is conditionally knocked out in keratin 5-positive epithelial cells (referred to as Fgf18 cKO below). We carried out microarray experiments with mouse back skin samples harboring telogen hair follicles obtained from three 42-d-old Fgf18 cKO male mice, or from three 42-d-old C57BL/6 male mice as control. Total RNA was isolated from each mouse and further purified to polyA RNA using oligo dT30 columns. The RNA samples were pooled for each group. Gene expression was analyzed by one-color analysis using duplicate arrays for each group.

2017-05-15 | E-GEOD-29547 | biostudies-arrayexpress

FGF18 affects hair cycle.

Project description:Fgf18 gene is strongly expressed in hair follicles of mouse dorsal skin during regressing (catagen) and resting (telogen) phases of hair cycle, but not in growth (anagen) phase. This study aims at identifying the effects of FGF18 local delivery on the anagen phase of hair cycle. To define genes affected by local delivery of FGF18 during anagen phase of hair cycle, we injected FGF18 protein subcutaneously into back skin of C3H/HeN mice on day 4 of depilation-induced anagen. As control PBS was injected in place of FGF18. After 24 h (61-d-old), total RNA was isolated from the back skin and purified to poly A RNA. The RNA samples were pooled for each group. Gene expression was analyzed by one-color analysis using single array for each group.

2017-05-15 | E-GEOD-29546 | biostudies-arrayexpress

Fgf18 regulates hair cycle

2017-05-15 | GSE29547 | GEO

FGF18 affects hair cycle.

2017-05-15 | GSE29546 | 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