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Keloid scars may form due to changes in skin cell characteristics and specific protein signaling.

Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

A substance called compound-1 could help increase hair growth by maintaining prostaglandin levels in hair follicles.

The TRPV3 ion channel is important for skin and hair health and could be a target for treating skin conditions.

Disrupted cholesterol production impairs hair follicle stem cells, leading to hair loss.

Human hair follicle cells can grow hair when put into mouse skin if they stay in contact with mouse cells.

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.

TGF-β2 plays a key role in human hair growth and development.

Human hair follicles may provide a noninvasive way to diagnose diseases and have potential in regenerative medicine.

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

Advanced therapies like gene, cell, and tissue engineering show promise for hair regrowth in alopecia, but their safety and effectiveness need more verification.

Understanding hair follicle development can help treat hair loss, skin regeneration, and certain skin cancers.

Blocking cholesterol production may help control hair loss in Primary Cicatricial Alopecia by affecting key regulators.

Different fibroblasts play key roles in skin healing and scarring.

Apple extract called procyanidin B-2 was found to greatly increase hair growth.

Caffeine improves hair growth, thickness, and reduces shedding.

Topical 0.1% tacrolimus significantly improved ear infections in cats.

TNFα, IFNγ, and Substance P significantly affect prolactin levels in human skin, suggesting new treatments for skin and hair conditions.

CD34 marks potential stem cells in dog hair follicles.

Blue light promotes hair growth by interacting with specific receptors in hair follicles.

Proteins like aPKC and PDGF-AA, substances like adenosine and ATP, and adipose-derived stem cells all play important roles in hair growth and health, and could potentially be used to treat hair loss and skin conditions.

Natural products like plant extracts can help promote hair growth and could be used to treat hair loss.

Steroids, particularly estrogens and 5α-reductase inhibitors, affect blood vessel-related hair growth processes in hair follicle cells.

Growing hair cells with dermal cells can potentially treat hair loss.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.

Human hair follicles can grow and stay healthy for up to 8 days in a lab setting.

C/EBPalpha and C/EBPbeta are crucial for normal skin and oil gland cell development in adult mice.

Testosterone and dihydrotestosterone can slow down the growth of certain hair follicle cells.

Sex hormones and antiandrogens can either stimulate or inhibit human hair follicle cell growth depending on the dose.

Certain sex hormones and antiandrogens can either slow down or speed up the growth of human hair follicle cells depending on their concentration.