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Lgr5 is a marker for active, long-lasting stem cells in mouse hair follicles.

Nerve signals are crucial for hair follicle stem cells to become skin stem cells and help in wound healing.

Hoxc13 gene is essential for hair, nail, and papilla development.

Keratin expression reflects cell organization and differentiation, not causes it.

Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.

Matriptase is crucial for keeping epithelial tissues healthy and functioning properly.

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.

Adult female acne treatment should be personalized, considering individual preferences and pregnancy, using various topical and oral medications while managing side effects and resistance.

Notch/CSL signaling controls hair follicle differentiation through Wnt5a and FoxN1.

p63 is essential for activating and differentiating stem cells in the nose's olfactory tissue.

Removing both KLK5 and KLK7 proteins can prevent death and skin issues in Netherton syndrome.

The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.

Wnt signaling is essential for forming the skin's spinous layer through a BMP-FGF pathway.

Vitiligo affects overall health and self-esteem, needing more research and awareness.

Short-chain fatty acids from *Cutibacterium acnes* cause skin inflammation, contributing to acne.

Keratin proteins are crucial for healthy skin, but mutations can cause skin disorders with no effective treatments yet.

Maintaining DNA health in stem cells is key to preventing aging and tissue breakdown.

The study identified and characterized new keratin genes linked to hair follicles and epithelial tissues.

Msx2 and Foxn1 are both crucial for hair growth and health.

European guidelines recommend regular eye and ear exams, skin care, vitamin D supplements, and cautious use of medications for managing congenital ichthyoses.

Smad-4 and Smad-7 are key in hair follicle development, with other Smads being less important.

Steroid sex hormones activate matriptase in prostate cancer cells but not in breast cancer cells.

p63 is essential for controlling epithelial stem cells and tissue health.

miR-22, a type of microRNA, controls hair growth and its overproduction can cause hair loss, while its absence can speed up hair growth.

Mutations in the hairless gene in mice affect its expression and lead to a range of developmental issues in multiple tissues.

Disrupting Stat3 in hair follicle stem cells greatly reduces skin tumor formation.

HIV can cause various nail and hair disorders, important for early diagnosis and treatment.

Exosomes can improve skin health and offer new treatments for skin repair and rejuvenation.

Nude mice with grafted human skin developed scars similar to human hypertrophic scars.

People with atopic dermatitis are more likely to develop other skin conditions due to shared genetics and immune pathways.