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GlossaryHair Follicle Stem Cells

specialized cells in hair follicles that regenerate hair and skin

Hair Follicle Stem Cells (HFSCs) are specialized cells located in the bulge region of hair follicles. They play a crucial role in the growth and regeneration of hair by periodically activating to produce new hair shafts and contribute to the repair of skin injuries. These cells have the unique ability to self-renew and differentiate into various cell types, making them essential for maintaining healthy hair and skin.

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Research

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research Lgr5 marks cycling, yet long-lived, hair follicle stem cells

835 citations , October 2008 in “Nature Genetics”

Lgr5 is a marker for active, long-lasting stem cells in mouse hair follicles.

research Multipotent nestin-positive, keratin-negative hair-follicle bulge stem cells can form neurons

419 citations , March 2005 in “Proceedings of the National Academy of Sciences”

Hair-follicle stem cells can become neurons.

research Conditional telomerase induction causes proliferation of hair follicle stem cells

414 citations , August 2005 in “Nature”

Activating TERT in mice skin boosts hair growth by waking up hair follicle stem cells.

research Nerve-Derived Sonic Hedgehog Defines a Niche for Hair Follicle Stem Cells Capable of Becoming Epidermal Stem Cells

396 citations , May 2011 in “Cell stem cell”

Nerve signals are crucial for hair follicle stem cells to become skin stem cells and help in wound healing.

research Keratin 15 Promoter Targets Putative Epithelial Stem Cells in the Hair Follicle Bulge

387 citations , November 2003 in “Journal of Investigative Dermatology”

The K15 promoter effectively targets stem cells in the hair follicle bulge.

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Community Join

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community Anyone here have a lot of knowledge on hair follicle stem cells and progenitor cells for PP405?

in Chat 4 upvotes 7 months ago

Hair follicle stem cells remain in bald individuals, but progenitor cells do not, raising questions about hair regrowth claims by Pelage. PP405 is discussed as a potential treatment, with skepticism about its effectiveness compared to existing treatments like Minoxidil and Finasteride.

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

in Research/Science 1391 upvotes 11 months 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 Functional hair follicles grown from stem cells: Scientists have created natural-looking hair that grows through the skin using human induced pluripotent stem cells (iPSCs), a major scientific achievement that could revolutionize the hair growth industry.

170 upvotes 7 years ago

Scientists have grown natural-looking hair from stem cells, potentially revolutionizing hair growth treatments. Concerns include cost, DHT resistance, and the need for future procedures.

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

6 upvotes 11 years ago

community A cure for baldness? Stem cell researchers race to regenerate follicles from hair resistant to loss

24 upvotes 12 years ago

Researchers are working on regenerating hair follicles using stem cells, but a cure for baldness is still years away. Current treatments mentioned include Minoxidil, finasteride, and RU58841.

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Learn

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learn Stem Cell Factor

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

learn SCUBE3

a signaling molecule from dermal papilla cells being actively researched

learn Follistatin

glycoprotein that inhibits TGF-β and promotes hair growth by antagonizing activin

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