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research Cyclic ADP-Ribose Modulates Intracellular Calcium Homeostasis and Anagen-Associated Signaling Pathways in Human Hair Follicle Dermal Papilla Cells

January 2026 in “Applied Sciences”

In this study, cyclic ADP-ribose (cADPR) treatment in human hair follicle dermal papilla cells was associated with increased intracellular calcium retention and activated anagen-related signaling without causing significant cytotoxicity, indicating its potential impact on hair growth processes.

research Atractylodes macrocephala Koidz. Stimulates Dermal Papilla Cells to Promote Anagen Entry Associated with GSK3β/β-Catenin Signaling

August 2026 in “International Journal of Molecular Sciences”

This study found that Atractylodes macrocephala Koidz. extract promotes anagen entry and hair regrowth by enhancing dermal papilla cell activity and supporting hair cycle progression in a mouse model.

research Identification of potential key genes and pathways associated with the Pashmina fiber initiation using RNA-Seq and integrated bioinformatics analysis

36 citations , January 2021 in “Scientific Reports”

This study identified key genes and signaling pathways involved in the growth phases of Pashmina goat hair follicles, highlighting the role of several gene families and transcription factors in fiber quality and growth regulation.

research Identification of Potential miRNA–mRNA Regulatory Network Associated with Growth and Development of Hair Follicles in Forest Musk Deer

December 2023 in “Animals”

In this study, researchers analyzed miRNA and gene expression in the hair follicles of FMD during different hair cycle stages, identifying differential expression patterns and key pathways involved in hair follicle development and growth.

research Micro‐RNA‐31 controls hair cycle‐associated changes in gene expression programs of the skin and hair follicle

149 citations , June 2010 in “The FASEB journal”

In this study, miR-31 was found to play a significant role in hair cycle regulation in mice by controlling key gene expressions involved in hair growth and differentiation.

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Community Join

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community Everything you ever wanted to know about Pelage Pharma's PP405: how it works and what to expect

126 upvotes 3 months ago

PP405 may encourage earlier hair growth and slightly increase visible hair count but does not reverse hair follicle miniaturization in male pattern baldness. It does not address damage to the dermal papilla or broken Wnt signaling.

community PP405 Won’t Work: Follicle Is Miniaturized, Fibrosed, And Missing Key Support Cells

7 months ago

PP405 is ineffective for miniaturized, fibrosed hair follicles in androgenetic alopecia. AMP303 may activate hair follicle stem cells, but minoxidil and finasteride are still the main treatments.

community PP405 Won't Work Long Term: Hair Follicle Damage Due to Abuse of the ISR System

67 upvotes 11 months ago

PP405 may damage hair follicles if used long-term, suggesting cycling might be necessary. Combining it with finasteride could help maintain hair growth.

community Bruteforcing alopecia or the new advent of science progress

22 upvotes 1 year ago

Combining therapies like scyllo-inositol, alpha-ketoglutarate, and autophagy-inducing supplements may enhance hair growth and prevent hair loss. Reporting individual results can accelerate progress in hair loss treatments.

community A stress hormone has been found to signal through skin cells to repress the activation of hair-follicle stem cells in mice

30 upvotes 5 years ago

Stress can lead to hair loss by affecting hair-follicle stem cells, and this loss is harder to recover from if one has male pattern baldness (MPB). Treatments like finasteride and minoxidil are used to address hair loss, but stress-related hair loss differs from androgenic alopecia.

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