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Glossary Wnt inhibitor

substance that blocks cell growth and differentiation signals

A Wnt inhibitor is a substance that blocks the Wnt signaling pathway, which is crucial for various cellular processes, including cell growth and differentiation. In the context of hair biology, inhibiting the Wnt pathway can affect hair follicle development and regeneration, potentially influencing conditions like alopecia (hair loss).

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research Exosomal miRNA-181a-5p from the cells of the hair follicle dermal papilla promotes the hair follicle growth and development via the Wnt/β-catenin signaling pathway

25 citations , March 2022 in “International journal of biological macromolecules”

This study found that exosomal miR-181a-5p promotes hair follicle growth and development in vitro by activating the Wnt/β-catenin signaling pathway and suppressing hair follicle stem cell apoptosis.

research WIF1 Is Expressed by Stem Cells of the Human Interfollicular Epidermis and Acts to Suppress Keratinocyte Proliferation

18 citations , January 2013 in “Journal of Investigative Dermatology”

WIF1 helps keep skin stem cells inactive to prevent excessive cell growth.

research Inhibition of class I HDACs preserves hair follicle inductivity in postnatal dermal cells

6 citations , December 2021 in “Scientific Reports”

This study found that inhibiting class I histone deacetylases in postnatal mouse dermal cells preserved their ability to induce hair follicles during culture by increasing specific gene expressions and activating the Wnt signaling pathway.

research High-throughput screening of small molecule Wnt/β-catenin activators for hair and nail growth

March 2026 in “Communications Biology”

This study identified nine compounds that activate Wnt signaling, with aminoacridine and proflavine especially promoting hair and nail regeneration in mouse models, highlighting new therapeutic candidates from existing FDA-approved and natural compounds.

research Androgenetic alopecia-associated cytokines

July 2014 in “International Journal of Dermatology and Venereology”

This review discusses how androgens and cytokines may interact in androgenetic alopecia and reports no new results; the authors note the need for further research.

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community mangifera indica (mango oil) inhibits dkk1, dht TYPE 2 and activate wnt signal in vivo

6 upvotes 3 years ago

Mango oil may inhibit DKK1 and DHT, potentially aiding hair growth by activating the Wnt signaling pathway. A user plans to test mango leaves juice and other Ayurvedic products for hair regrowth.

community Why does this industry still revolve around 5-AR inhibitors?

40 upvotes 5 years ago

Hair loss treatments still rely heavily on minoxidil, finasteride, and RU58841, with little innovation. Future treatments like stem cell therapy and RNA technology show promise but are not yet available.

community Korean scientists breakthrough in hair regeneration targeting CXXC5 protein and WNT Signaling Pathway

53 upvotes 8 years ago

A potential non-invasive topical treatment targeting the WNT Signaling Pathway for hair regeneration is being researched, with positive results on human hair follicle cells. Current effective treatments for hair loss include Minoxidil, finasteride, and hair transplantation.

community The mechanism of androgenic alopecia

36 upvotes 11 months ago

DHT may inhibit hair growth by affecting mitochondrial function, leading to hair follicle miniaturization. Treatments like minoxidil and PP405 may promote hair growth by altering metabolic pathways, potentially counteracting DHT's effects.

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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