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Androgens can cause hair growth in some areas and hair loss on the scalp.

The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.

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

The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.

Light can turn on hair growth cells through a nerve path starting in the eyes.

Wounds can regenerate hair in young mice, but this ability declines with age, offering insights for improving tissue regeneration in the elderly.

SCD1 is crucial for skin health and overall energy balance.

Stem cells are crucial for skin repair and new treatments for chronic wounds.

Wnt signaling is crucial for skin and hair development and its disruption can cause skin tumors.

Cyclooxygenase-2 overexpression in mice skin causes hair loss like human androgenetic alopecia.

Three specific proteins can turn adult skin cells into hair-growing cells, suggesting a new hair loss treatment.

Thymic stromal lymphopoietin (TSLP) promotes hair growth, especially after skin injury.

The conclusion is that understanding how hair follicle stem cells live or die is important for maintaining healthy tissue and repairing injuries, and could help treat hair loss, but there are still challenges to overcome.

Nanotechnology could improve hair regrowth but faces challenges like complexity and safety concerns.

Non-coding RNAs are important for hair growth and could lead to new hair loss treatments, but more research is needed.

Stem cells control their future role by changing ERK signal timing, affecting tissue regeneration and cancer.

MicroRNAs are important for skin health and could be targets for new skin disorder treatments.

The TGF-β family helps control how cells change and move, affecting skin, hair, and organ development.

Adipose-derived stem cells show potential for skin rejuvenation and wound healing but require more research to overcome challenges and ensure safety.

Regulatory T cells help heal skin and grow hair, and their absence can lead to healing issues and hair loss.

Skin-derived stem cells can become various cell types, including germ cell-like and oocyte-like cells.

Certain RNA molecules are important for the development of wool follicles in sheep.

Bioengineered salivary glands in mice can produce saliva when tasting sour or bitter, but have different protein levels and nerve signals compared to natural glands.

Certain growth factors can promote hair growth in mice by activating hair growth-related proteins.

Genetic mutations cause various hair diseases, and whole genome sequencing may reveal more about these conditions.

New markers and pathways have been found in skin tumors, helping better understand and diagnose them.

Keratin extract from human hair was found to promote hair growth in mice.

The document concludes that alopecia has significant social and psychological effects, leading to a market for hair loss treatments.

Melanocyte development from neural crest cells is complex and influenced by many factors, and better understanding could help treat skin disorders.

A form of vitamin E promotes hair growth by activating a specific skin pathway.