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Glossary Hair Follicle Epithelium

layer of cells lining the hair-producing cavity in skin

The hair follicle epithelium is the layer of cells that lines the hair follicle, which is the small cavity in the skin from which hair grows. This epithelium plays a crucial role in the growth, cycling, and regeneration of hair, and it includes various specialized cells that contribute to the formation and maintenance of the hair shaft.

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Research

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Prolactin and Its Receptor Are Expressed in Murine Hair Follicle Epithelium, Show Hair Cycle-Dependent Expression, and Induce Catagen

research Prolactin and Its Receptor Are Expressed in Murine Hair Follicle Epithelium, Show Hair Cycle-Dependent Expression, and Induce Catagen

91 citations , May 2003 in “American Journal of Pathology”

This study found that prolactin and its receptor are expressed in the murine hair follicle epithelium, influencing hair cycle phases by down-regulating keratinocyte proliferation during anagen and inducing premature catagen.

research (Neuro-)endocrinology of epithelial hair follicle stem cells

42 citations , March 2008 in “Molecular and Cellular Endocrinology”

This review explores the potential (neuro-)endocrine influences on hair follicle epithelial stem cell biology and emphasizes the need for more systematic research, but it provides no new empirical results.

research VEGF165 modulates proliferation, adhesion, migration and differentiation of cultured human outer root sheath cells from central hair follicle epithelium through VEGFR-2 activation in vitro

35 citations , October 2013 in “Journal of Dermatological Science”

This study observed that VEGF165 increases proliferation and migration but alters adhesion properties of cultured human hair follicle cells, indicating a potential role for VEGF/VEGFR-2 in hair follicle regulation beyond angiogenesis.

research ILK modulates epithelial polarity and matrix formation in hair follicles

22 citations , December 2013 in “Molecular biology of the cell”

This study found that ILK deficiency disrupts hair follicle development by impairing cell polarity and laminin-511 assembly, but these defects can be partially reversed with exogenous laminin-511.

research Interfollicular epidermal stem-like cells for the recreation of the hair follicle epithelial compartment

14 citations , January 2021 in “Stem cell research & therapy”

This study suggests that interfollicular epidermal keratinocytes with stem-like features may serve as an alternative to follicular keratinocytes for hair regeneration by supporting hair follicle morphogenesis in vivo.

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Community Join

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community Researchers working on ways to regenerate lost hair from stem cells identified a recipe for normal hair regeneration in the lab. “A method for cyclical regeneration of hair follicles from hair follicle stem cells and will help make hair follicle regeneration therapy a reality in the near future.”

263 upvotes 5 years ago

Hair loss treatments like finasteride, minoxidil, and hair transplants have side effects and limitations. There is hope for future advancements in stem cell therapy and hair follicle regeneration, though skepticism about their effectiveness and timeline persists.

community Hair cloning breakthrough, this might just be the big one ?

418 upvotes 6 months ago

Japanese scientists discovered ABM cells, enabling successful human hair follicle cloning, potentially curing hair loss. The treatment may be available in Japan by 2028, but it will be expensive and require travel.

community DHT Isn’t the Only Factor in Hair Loss and That Might Be the Key to a Real Cure

373 upvotes 6 months ago

Hair loss involves more than just DHT, with genetic factors like TRPS affecting hair follicles. Treatments such as Amplifica's AMP-601 and AMP-303 target stem cells for potential hair growth solutions.

community The 2026 Breakthrough Pipeline: Top 5 Mind-Changing Hair Loss Treatments To Watch

1 week ago

New hair loss treatments include lab-grown hair cloning, scarless healing with verteporfin, GT20029 for receptor degradation, JAK inhibitors for follicle activation, and dermal papilla stem cell exosomes. These aim to regenerate hair rather than just slow hair loss.

community HairClone developing cell replacement treatments for Hair Loss

5 upvotes 7 years ago

HairClone is developing cell replacement treatments to rejuvenate and generate hair follicles, and has launched a crowdfunding campaign. A user expressed skepticism about the need for crowdfunding.

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Learn

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learn Hair Multiplication

extract, clone, and reinsert your own hair cells

learn Osteopontin

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

What role does Osteopontin play in protecting and repairing hair follicles? Osteopontin protects and repairs hair follicles by signaling cells to survive and recover.

learn Overview

learn Beta Polypeptide

learn Epidermal Growth Factor

learn Niacinamide

How does Niacinamide support the hair follicle’s nutrition? Niacinamide nourishes hair follicles by boosting energy production and supporting antioxidant defenses.

learn oleic acid

How does Oleic Acid support hair follicle strength and growth? Oleic acid strengthens hair follicles by enhancing hydration and reducing inflammation.

learn zinc PCA

Why is zinc important for preventing hair loss and supporting hair follicle function? Zinc is crucial for hair follicle health, supporting growth and repair processes.

learn Scalp Micropigmentation

Will scalp micropigmentation damage my existing hair or follicles? Scalp micropigmentation does not damage existing hair or follicles.

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Clinics

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Experts

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Unscored
SMP Specialist
Hairo Fallas
Newark, NJ, United States

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Hairo Fallas