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Glossary Epidermal Cell Proliferation

process where skin cells divide and multiply for regeneration

Epidermal Cell Proliferation, also known as Skin Cell Proliferation, refers to the process by which cells in the outermost layer of the skin (the epidermis) divide and multiply. This process is crucial for skin regeneration, wound healing, and maintaining the skin's barrier function. It involves the production of new cells to replace those that are shed or damaged, ensuring the skin remains healthy and functional.

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Research

5 / 1000+ results

research RhoA promotes epidermal stem cell proliferation via PKN1-cyclin D1 signaling

21 citations , February 2017 in “PLoS ONE”

This study found that RhoA influences embryonic stem cell proliferation through the PKN1-cyclin D1 pathway in vitro, suggesting RhoA as a potential target for wound healing therapies.

research Manipulation of stem cell proliferation and lineage commitment:visualisation of label-retaining cells in wholemounts of mouse epidermis

421 citations , September 2003 in “Development”

This study concluded that label-retaining cells in mouse epidermis differ in their sensitivity to proliferative stimuli, influencing their division and potential transdifferentiation without consistently depleting their population.

research 1α,25-Dihydroxyvitamin D3 accelerates skin wound re-epithelialization by promoting epidermal stem cell proliferation and differentiation through PI3K activation: an in vitro and in vivo study

2 citations , January 2025 in “Brazilian Journal of Medical and Biological Research”

This study demonstrated that VD3 significantly enhanced the proliferation and differentiation of epidermal stem cells in a murine skin defect model, leading to improved wound healing, potentially through activation of the PI3K signaling pathway.

research 1349 Stimulation of hair follicle stem cell proliferation through an IL-1α dependent activation of γδT-cells

April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology”

In this study, IL-1α and IL-7 were found to work together to activate epidermal γδ T-cells, which in turn promote hair follicle stem cell proliferation during mouse wound healing.

research 653 Substance P ameliorates epidermal thickness, basal cell density, and asymmetric stem cell self-renewal in skin with decreased sensory innervation

July 2024 in “Journal of Investigative Dermatology”

Substance P helps restore skin thickness and cell renewal when sensory nerves are reduced.

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Community Join

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community Microneedling must reach the stem cells in the upper hair shaft

82 upvotes 4 years ago

Microneedling should target depths of 0.5mm to 1.5mm for hair loss, with weekly sessions at 1mm recommended. Combining microneedling with Minoxidil is common for improved results.

community A Theory on Why Microneedling Works

175 upvotes 6 years ago

Microneedling may enhance hair regrowth by transferring stem cells to dormant follicles, improving the effects of minoxidil. Users discuss using microneedling with needle lengths around 1.5mm to stimulate hair growth.

community PP405: The Ultimate Hair Loss Drug for Complete Hair Growth

211 upvotes 1 year ago

PP405 is a new hair loss treatment in phase 2 trials that may promote hair growth by increasing lactate production and activating hair follicle stem cells. It could potentially replace hormone-disrupting treatments like Minoxidil and finasteride.

community Eirion Therapeutics Announces Potential Breakthrough Treatment for Hair Loss Based on First-in-Man Clinical Trial Results

in Update 415 upvotes 1 year ago

ET-02, a new hair loss treatment, shows promising results with a 6-fold increase in hair count, potentially outperforming minoxidil by activating stem cells in hair follicles. Further trials are ongoing to confirm its efficacy and safety, with potential market release in the future.

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.

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Learn

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learn Osteopontin

signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

learn Thymosin Beta 4

learn Apple stem cell

learn Stem Cell Factor

What is stem cell factor and why is it used in hair growth treatments? Stem cell factor promotes hair growth by signaling cell survival and division.
How does stem cell factor help activate dormant hair follicles? Stem cell factor activates dormant hair follicles by signaling through the c-Kit receptor.

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