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Glossary hair follicle niche

specialized skin microenvironment regulating hair growth and regeneration

The hair follicle niche is a specialized microenvironment within the skin where hair follicles reside. It contains various cells, signaling molecules, and extracellular matrix components that work together to regulate hair growth, cycling, and regeneration. This niche plays a crucial role in maintaining the health and function of hair follicles, and disruptions in this environment can lead to conditions like alopecia.

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Research

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research Stem cell dynamics in the hair follicle niche

135 citations , December 2013 in “Seminars in Cell & Developmental Biology”

This review examines the literature on the molecular and cellular makeup of the hair follicle niche and how it influences stem cell behavior during hair regeneration, but does not provide new experimental results.

research 1374 Cell-cell interaction in the hair follicle niche in androgenetic alopecia

April 2023 in “Journal of Investigative Dermatology”

This study identified distinct myeloid subsets in the scalp of men with androgenetic alopecia, potentially revealing new drug targets for treatment.

The Mesenchymal Niche of the Hair Follicle Induces Regeneration by Releasing Primed Progenitors from Inhibitory Effects of Quiescent Stem Cells

research The Mesenchymal Niche of the Hair Follicle Induces Regeneration by Releasing Primed Progenitors from Inhibitory Effects of Quiescent Stem Cells

35 citations , July 2018 in “Cell Reports”

This study found that the dermal papilla of the hair follicle regulates stem cell quiescence and regeneration by modulating Shh and Wnt signaling pathways, highlighting the importance of signaling cross talk in regeneration.

Review of Human Hair Follicle Biology: Dynamics of Niches and Stem Cell Regulation for Possible Therapeutic Hair Stimulation for Plastic Surgeons

research Review of Human Hair Follicle Biology: Dynamics of Niches and Stem Cell Regulation for Possible Therapeutic Hair Stimulation for Plastic Surgeons

22 citations , October 2018 in “Aesthetic Plastic Surgery”

This review discusses the latest understanding of androgenetic alopecia, including stem cell niches in hair follicles, and highlights emerging treatments like growth factors and platelet-rich plasma without new clinical findings.

research Brief Report: Requirement of TACE/ADAM17 for Hair Follicle Bulge Niche Establishment

14 citations , June 2012 in “Stem Cells”

This study found that depletion of TACE in mouse hair follicles led to impaired stem cell maintenance and hair loss, implicating TACE and EGFR signaling in hair follicle stem cell homeostasis.

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Community Join

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community Fully functional hair follicle regeneration through the rearrangement of stem cells and their niches

4 upvotes 11 years ago

Hair follicle regeneration through stem cell rearrangement is discussed, focusing on bioengineered cellular structures rather than traditional hair transplants. Treatments mentioned include Minoxidil, finasteride, and RU58841.

community "Hair Follicle Stem Cells are quiescent 99% of the time and permanently reside in the hair follicle"

in Research/Science 1391 upvotes 1 year ago

Hair follicles are mostly dormant but can be reactivated with treatments like minoxidil, finasteride, and microneedling. A new drug, PP405, shows promise for hair regrowth but may not be available until 2027-2028.

community Do hair follicles dies or are dormant ?

in Finasteride/Dutasteride 92 upvotes 1 year ago

Hair follicles can be dormant and potentially revived with treatments like finasteride and minoxidil, but irreversible loss occurs if certain structures are destroyed. Early intervention is more effective, and additional methods like microneedling may help.

community PP405 Won't Work Long Term: Hair Follicle Damage Due to Abuse of the ISR System

67 upvotes 11 months ago

PP405 may damage hair follicles if used long-term, suggesting cycling might be necessary. Combining it with finasteride could help maintain hair growth.

community Dutasteride SAVES your hair follicles: MAJOR BS on people who say it destroyed their hair permanently.

158 upvotes 2 years ago

The conversation discusses the effectiveness of hair loss treatments, specifically finasteride and dutasteride. The conclusion is that dutasteride significantly reduces DHT levels and may be more effective than finasteride for long-term hair retention, with some users reporting personal experiences and side effects.

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Learn

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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 Stemoxydine

chemical from L'Oreal that encourages hair to enter growth phase

learn Rapamycin

mTOR regulator and immunosuppressant used more recently for anti-aging and hair regrowth

learn Microneedling

technique to create small wounds in skin to activate collagen production and hair growth

learn Thymosin Beta 4

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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SMP Specialist
Hairo Fallas
Newark, NJ, United States

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Hairo Fallas