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Glossary Retinoic Acid Signaling

regulates gene expression through vitamin A derivatives

Retinoic Acid Signaling, also known as RA signaling, is a biological pathway where retinoic acid, a derivative of vitamin A, binds to specific receptors in cells to regulate gene expression. This pathway is crucial for various physiological processes, including cell growth, differentiation, and embryonic development. In the context of hair biology, RA signaling can influence hair follicle development and cycling, potentially impacting conditions like alopecia.

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Research

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research 944 Non-coding double stranded RNA induces retinoic acid synthesis and retinoid signaling to control regeneration

April 2019 in “Journal of Investigative Dermatology”

This study identifies a mechanism where dsRNA activates TLR3 to induce RA production, promoting hair follicle regeneration in mice and suggesting a potential role in human tissue regeneration.

research 1410 Non-coding double stranded RNA induces retinoic acid synthesis and retinoid signaling to control regeneration

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

This study identified a novel mechanism by which dsRNA-induced TLR3 activation and retinoic acid pathways contribute to new hair follicle formation after deep wounds in mice and suggested a similar potential in humans.

Dermal EZH2 Simultaneously Orchestrates Wnt/β-Catenin Signaling Dependent Dermal Differentiation and Retinoic Acid Signaling Dependent Epidermal Proliferation During Murine Skin Development

research Dermal EZH2 simultaneously orchestrates Wnt/β-catenin signaling dependent dermal differentiation and retinoic acid signaling dependent epidermal proliferation during murine skin development

November 2020 in “bioRxiv (Cold Spring Harbor Laboratory)”

This study found that the Polycomb Repressive Complex 2, particularly its component Ezh2, is crucial in regulating dermal fibroblast differentiation and epidermal keratinocyte proliferation during murine skin development.

research Dynamic regulation of retinoic acid-binding proteins in developing, adult and neoplastic skin reveals roles for β-catenin and Notch signalling

84 citations , September 2008 in “Developmental biology”

This study found that cellular retinoic acid-binding proteins and fatty acid-binding proteins are dynamically expressed in skin development and respond differently to retinoic acid, β-catenin, and Notch signaling.

Spontaneous Tumor Regression in Keratoacanthomas Is Driven by Wnt/Retinoic Acid Signaling Cross-Talk

research Spontaneous tumour regression in keratoacanthomas is driven by Wnt/retinoic acid signalling cross-talk

51 citations , March 2014 in “Nature Communications”

This study suggests that activating retinoic acid signalling can inhibit Wnt signalling and induce regression in certain skin tumors, providing potential therapeutic strategies for tumor regression.

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learn retinol

Can retinol help enhance the absorption of ingredients like minoxidil or peptides? Retinol may enhance absorption of minoxidil and peptides by modifying skin barrier properties.

learn Retinyl Palmitate

learn Overview

learn retinoic acid

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community Tretinoin for some men(not all) can cause non-telogen effluvium hair loss

in Research/Science 5 upvotes 1 year ago

Tretinoin can cause non-telogen hair loss in some men by inducing catagen-like changes in hair follicles and through retinoid toxicity, especially when used with minoxidil. Some users report hair loss even when using retinoids on the face, while others experience benefits when combined with treatments like finasteride and minoxidil.

community Tazarotene shows strong standalone hair regrowth potential, not just a Minoxidil enhancer. Backed by VEGF, HF regeneration, and angiogenesis pathways. Here’s why.

135 upvotes 1 year ago

Tazarotene shows potential as a standalone treatment for hair regrowth by stimulating new hair follicle formation and promoting angiogenesis, similar to microneedling effects. It can be used topically without minoxidil, but users should start with a low concentration to avoid irritation.

community Dutasteride Literally Saves Your Hair

in Finasteride/Dutasteride 101 upvotes 2 years ago

Dutasteride significantly reduces scalp DHT levels and can save hair, though shedding is part of the process. Some users report success with dutasteride, while others struggle despite using it along with finasteride and oral minoxidil.

community DHT Itch and Oily Scalp Explained (and how to fix it)

90 upvotes 3 months ago

Malassezia overgrowth can worsen oily scalp and inflammation, contributing to hair loss. Treatments include antifungal shampoos, C6/C8 MCT oil, low-dose isotretinoin, finasteride, and dutasteride.

community What is the ultimate hair regrowth protocol

29 upvotes 1 year ago

The conversation covers aggressive hair regrowth treatments like Dutasteride, Minoxidil (oral and topical), RU58841, microneedling, and ketoconazole shampoo. It also mentions PRP, laser therapy, GHK-Cu injections, and hormone therapy for maximum regrowth.

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