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The document concludes that while significant progress has been made in understanding skin biology and stem cells, more research is needed to fully understand their interactions with their environment.

Sostdc1 controls the size and number of hair and mammary gland structures.

Wound dressing absorbs fluid, regenerates hair follicles, and heals skin burns.

Protein tyrosine kinases are key in male pattern baldness, affecting skin structure, hair growth, and immune responses.

Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.

Adult human skin can grow new fine hair follicles after a deep exfoliation treatment.

The new lab-grown skin model is good for testing sunscreen's protection against DNA damage from UV light.

Skin stem cells are crucial for maintaining and repairing the skin and hair, using a complex mix of signals to do so.

Inflammatory acne damages skin stem cells and reduces their growth, leading to atrophic acne scars.

Researchers successfully used nude mice to study human hair growth, which could help with future hair research.

NGAL indicates abnormal skin cell differentiation.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.

Understanding how EDC genes are regulated can help develop better drugs for skin diseases.

A mutation in the Adam10 gene causes freckle-like spots on Hairless mice.

The document concludes that hair biology is complex and there are still unanswered questions about hair loss and follicle changes.

Removing Mediator 1 from certain mouse cells causes teeth to grow hair instead of enamel.

Activating β-catenin in mammary cells leads to changes that cause early-stage abnormal growths similar to skin structures.

New scaffold materials help heal severe skin wounds and improve skin regeneration.

Removing PLCg1 from skin cells caused thicker oil glands and less hair in mice.

Skin has specialized touch receptors that can tell different sensations apart.

Adult mice can grow new hair from skin wounds.

Disrupting Acvr1b in mice causes severe hair loss and thicker skin.

Foxi3 expression in developing teeth and hair is controlled by the ectodysplasin pathway.

Mice with the 'lanceolate hair' mutation have abnormal hair and skin similar to human Netherton's syndrome.

Some stem cells in the body rarely divide, which could help create better treatments for diseases and aging.

Lizards can regrow their tail scales with the same structure, distribution, and gender-specific features as the original ones, and this unique ability is not seen in adult mammals.

BMP2 and BMPR-IA may stop hair growth while Noggin may encourage it in yak skin.

Scientists developed a method to grow human fetal skin and digits in a lab for 3-4 weeks, which could help study skin features and understand genetic interactions in tissue formation.

The we/we wal/wal mice have defects in hair growth and skin layer formation, causing hair loss, useful for understanding alopecia.