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Glossary Keratinocyte Proliferation

process where skin cells multiply to regenerate and heal

Keratinocyte proliferation refers to the process by which keratinocytes, the primary cells in the outer layer of the skin, multiply and produce new cells. This process is crucial for skin regeneration and healing, as it helps replace dead or damaged skin cells and maintain the skin's protective barrier. For professionals, understanding keratinocyte proliferation is essential for studying skin conditions and developing treatments for disorders like psoriasis and alopecia.

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Research

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Indications for a Brain-Hair Follicle Axis: Inhibition of Keratinocyte Proliferation and Up-Regulation of Keratinocyte Apoptosis in Telogen Hair Follicles by Stress and Substance P

research Indications for a brain‐hair follicle axis: inhibition of keratinocyte proliferation and up‐regulation of keratinocyte apoptosis in telogen hair follicles by stress and substance P

125 citations , September 2001 in “The FASEB Journal”

This study demonstrated that stress inhibited hair growth in mice, likely through substance P-dependent activation of immune cells, highlighting a brain-hair follicle connection.

research p63 Regulates Human Keratinocyte Proliferation via MYC-regulated Gene Network and Differentiation Commitment through Cell Adhesion-related Gene Network

82 citations , December 2011 in “Journal of Biological Chemistry”

This study discovered that a network controlled by the gene p63 is crucial for keratinocyte differentiation and is linked to MYC through cell adhesion-related pathways.

Differential Effects of Caffeine on Hair Shaft Elongation, Matrix and Outer Root Sheath Keratinocyte Proliferation, and Transforming Growth Factor-β2/Insulin-Like Growth Factor-1-Mediated Regulation of the Hair Cycle in Male and Female Human Hair Follicles In Vitro

research Differential effects of caffeine on hair shaft elongation, matrix and outer root sheath keratinocyte proliferation, and transforming growth factor‐β2/insulin‐like growth factor‐1‐mediated regulation of the hair cycle in male and female human hair folliclesin vitro

60 citations , May 2014 in “British Journal of Dermatology”

This study found that caffeine enhanced hair growth and keratinocyte proliferation in human hair follicles, with female follicles showing greater sensitivity than male ones.

research Reciprocal role of vitamin D receptor on β-catenin regulated keratinocyte proliferation and differentiation

49 citations , November 2013 in “The Journal of Steroid Biochemistry and Molecular Biology”

This study found that 1,25-dihydroxyvitamin D3/VDR inhibits β-catenin's role in keratinocyte proliferation but enhances its role in hair follicle differentiation.

The TFIID Subunit TAF4 Regulates Keratinocyte Proliferation and Has Cell-Autonomous and Non-Cell-Autonomous Tumor Suppressor Activity in Mouse Epidermis

research The TFIID subunit TAF4 regulates keratinocyte proliferation and has cell-autonomous and non-cell-autonomous tumour suppressor activity in mouse epidermis

28 citations , July 2007 in “Development”

In this study, inactivating the TAF4 subunit of transcription factor TFIID in mouse epidermis disrupted gene expression linked to skin and hair function, and increased tumor risk.

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community Is tazarotene potentially better than tretinoin in combination with topical minoxidil?

1 upvotes 10 months ago

Tazarotene may be more effective than tretinoin when combined with topical minoxidil for hair loss due to its selective binding to RAR-beta and gamma, though it can cause irritation. Tazarotene's potency can lead to indirect inflammatory reactions despite potentially causing less irritation than tretinoin.

community Anti-oxidants that reverse hairloss?

86 upvotes 5 years ago

Resveratrol and fisetin, found in red wine and strawberries, may promote hair growth by affecting hair follicle cells. Users discuss various treatments, including natural remedies like saw palmetto and topical applications, with mixed opinions on their effectiveness compared to pharmaceuticals like finasteride.

community Someone please offer reassurance

in Minoxidil 3 upvotes 1 month ago

A 19-year-old male is experiencing hair shedding while using oral minoxidil, ketoconazole, dermastamping, and saw palmetto, and is considering switching to finasteride for better results. Users suggest that saw palmetto may not be effective and recommend finasteride instead, while also discussing other treatments like rosemary oil, peppermint oil, and pumpkin seed oil.

community Weed/THC effects on hair growth/hair loss, and vitality of organ-culture human follicle studies (research review)

4 upvotes 1 year ago

Cannabis and THC may have mixed effects on hair, with some studies suggesting potential negative impacts on hair growth in isolated hair follicles, but these results are hard to apply to living humans. Treatments like minoxidil and finasteride are commonly used for hair loss, and the effects of cannabis might be neutral or vary based on individual factors.

community Sugars ARE important for hair growth | Glycosaminoglycans as Hair Growth Stimulant

74 upvotes 2 years ago

Glycosaminoglycans are important for hair growth, and combining minoxidil with tretinoin and Biopeptide-CL may enhance hair growth by boosting glycosaminoglycan levels and improving the hair follicle environment. Users discussed the potential effectiveness and future of these treatments.

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