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The cornified cell envelope forms a protective barrier in skin and hair, using specific proteins and lipids to maintain effectiveness.

Hormones control keratin production in skin and hair.

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

Dandruff might be caused by changes in how hair follicles naturally release oils and an immune response to this imbalance.

Using neurohormones to control keratin can lead to new skin disease treatments.

Hair follicles can regrow in wounded adult mouse skin using a process like embryo development.

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.

Understanding gene expression in hair follicles can reveal insights into hair growth and disorders.

The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.

The document concludes that understanding hair follicle biology can lead to better hair loss treatments.

The conclusion is that proper signaling is crucial for hair growth and development, and errors can lead to cancer or hair loss.

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

Skin needs dermal β-catenin activity for hair growth and skin cell multiplication.

Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.

Wnt ligands are crucial for hair growth and repair.

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.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Stem cell therapy, particularly using certain types of cells, shows promise for treating hair loss by stimulating hair growth and development, but more extensive trials are needed to confirm these findings.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.

Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.

A genetic change in the EDAR gene causes the unique hair traits found in East Asians.

Fatty acid transport protein 4 is essential for skin and hair development.

The document concludes that understanding the genes and pathways involved in hair growth is crucial for developing treatments for hair diseases.

The EDAR gene greatly affects hair thickness in Asian populations.

Blocking β-catenin in skin cells improves hair growth during wound healing.

Activating the Wnt/β-catenin pathway could lead to new hair loss treatments.

Hair follicle regeneration needs special conditions and young cells.

EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.