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research The role of dexamethasone in mediating the contradictory effects of Wnt antagonists SFRP2 and SFRP3 on human hair follicle growth

October 2023 in “Scientific reports”

In this study, researchers found that the synthetic stress hormone dexamethasone caused opposite effects on hair growth-related proteins, reducing SFRP2 and increasing SFRP3, which respectively stimulate and inhibit hair follicle cell proliferation in human dermal papilla cells.

research Targeting Endogenous Wnt Antagonists for Therapy Development in AGA: a Focus on DKKs and sFRPs

March 2026 in “Stem Cell Reviews and Reports”

research Advances in hair growth

1 citations , January 2022 in “Faculty reviews”

This review discusses recent advances in understanding hair growth mechanisms and reviews current and emerging therapies, but it presents no new clinical results.

research Suppression of Wnt/β-catenin signaling by EGF receptor is required for hair follicle development

25 citations , September 2018 in “Molecular Biology of the Cell”

This study found that in mice lacking EGFR, elevated Wnt signaling disrupts hair follicle development by affecting cell proliferation and differentiation, revealing a critical role for EGFR in regulating these processes.

Identifying Novel Strategies for Treating Human Hair Loss Disorders: Cyclosporine A Suppresses the Wnt Inhibitor, SFRP1, in the Dermal Papilla of Human Scalp Hair Follicles

research Identifying novel strategies for treating human hair loss disorders: Cyclosporine A suppresses the Wnt inhibitor, SFRP1, in the dermal papilla of human scalp hair follicles

68 citations , May 2018 in “PLOS Biology”

This study demonstrates that inhibiting SFRP1 with the antagonist WAY-316606 enhances hair growth in human scalp hair follicles ex vivo by facilitating Wnt signalling.

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community Prolactin the Cause of Hair Loss? ABS-201 the Cure?

29 upvotes 2 months ago

Prolactin may contribute to hair loss, but targeting its receptor won't cure androgenetic alopecia. ABS-201 could be a useful alternative or adjuvant therapy, similar to JAK inhibitors, but not more effective than HMI-115.

community Most Promising Future Hair Loss Treatments In 2026

83 upvotes 1 week ago

Promising hair loss treatments in 2026 include GT20029, a topical androgen receptor degrader, and VDPHL01, an extended-release oral minoxidil, both offering safer alternatives with fewer side effects. Other treatments like sublingual minoxidil, OND-1, JW0061, TDM-105795, and AMP-303 are also being explored.

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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