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The hair follicle bulge is an important area for adult stem cells involved in hair growth and repair, with potential for medical use needing more research.

Hair and skin can regenerate without bulge stem cells due to other compensating cells.

Hair loss in male pattern baldness involves muscle degeneration and increased scalp fat.

Human alpha defensin 5 helps heal wounds, reduce bacteria, and grow hair on burned skin.

A protein called EGFR protects hair follicle stem cells, and when it's disrupted, hair follicles can be damaged, but blocking certain pathways can restore hair growth.

Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.

Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.

SCD1 is important for hair growth by keeping the connection in skin cells where hair stem cells live stable.

Skin and hair renewal is maintained by both fast and slow cycling stem cells, with hair regrowth primarily driven by specific stem cells in the hair follicle bulge. These cells can also help heal wounds and potentially treat hair loss.

Scientists found the best time to transplant human stem cells for hair growth is between days 16-18 when they have the right markers and growth potential.

Blocking EGFR can lead to hair loss due to inflammation and stem cell damage.

Hair follicle biology advancements may lead to better hair growth disorder treatments.

Skin and hair can help us understand organ regeneration, especially how certain stem cells might be used to form new organs.

Dogs could be good models for studying human hair growth and hair loss.

Skin stem cells are maintained by signals from nearby cells and vary in their ability to renew and mature.

The review concludes that accurate diagnosis of different types of hair loss requires proper biopsy techniques and understanding the hair growth cycle and underlying causes.

Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.

Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.

Hair follicles offer promising targets for delivering drugs to treat hair and skin conditions.

Recognizing the different stages of alopecia areata is crucial for accurate diagnosis and treatment.

Dermoscopy helps diagnose frontal fibrosing alopecia by distinguishing it from other hair loss conditions.

Patient-derived melanocytes can potentially treat vitiligo by restoring skin pigmentation.

Wnt/ß-catenin signaling is crucial for regulating skin stem cells and hair growth, with the right levels and timing needed for proper function.

Hair loss is a rare but recognized symptom of pemphigus vulgaris, with patients usually regrowing hair after treatment.

The conclusion is that accurate diagnosis of different types of hair loss requires careful examination of tissue samples and understanding of clinical symptoms.

The study suggests that the arrector pili muscle is important for hair health and its damage might contribute to hair loss.

Both human platelet lysate and minoxidil can promote hair growth, but they affect different genes and cell survival rates.

The review highlights the importance of stem cells in hair health and suggests new treatment strategies for hair loss conditions.

Restoring immune privilege in hair follicles could help treat certain types of hair loss.

Photodynamic therapy can remove nonpigmented hair in mice and might work for humans.