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Aging changes skin cells, leading to different DNA methylation and gene activity, affecting cell metabolism and aging signs.

Merkel cells are more densely found in hairless skin areas like palms and soles.

Epidermal growth factor boosts growth of hair follicle cells.

Eph/ephrin signaling is important for skin cell behavior and could be targeted to treat skin diseases.

Hair follicles and sweat glands show different keratin staining patterns.

Epidermal stem cells show promise for skin repair and regeneration.

K31 can identify clear secretory cells in human sweat glands.

Scalp hair follicle cells help protect and heal skin in certain skin conditions.

Fatty acid composition in human skin, mouth, and hair cells varies with keratinization, and cultured cells show essential fatty acid deficiency.

Immortalized human dermal papilla cells were created that grow better and can still help form hair.

Human hair follicle dermal cells can effectively replace other cells in engineered skin.

Basal cell epithelioma resembles fetal hair follicles, not adult or fetal skin.

Murine fetal epidermal stem cells can help regenerate hair follicles.

Major histocompatibility antigens are found in specific skin cells and structures, but not in sweat glands.

The study created hair-bearing skin models that lack a key protein for skin layer attachment, limiting their use for certain skin disease research.

Epigenetic mechanisms control skin development by regulating gene expression.

Cathepsin E is crucial for normal skin cell differentiation and development.

The ventral matrix is the main source of the nail plate.

Balanced protease activity is crucial for healthy skin and hair development.

Desmosomes are crucial for human skin development, increasing in density as the skin matures.

The skin's layers protect, sense, and regulate the body's internal balance, but can be prone to cancer.

Skin has a larger surface area than thought, certain skin cells improve skin flap survival, better trials for skin conditions in children are needed, Stevens-Johnson syndrome rates vary by age and race, and better skin barrier function may reduce inflammation in the elderly.

The document concludes that skin stem cells are important for hair growth and wound healing, and could be used in regenerative medicine.

Keratinocytes from dog hair follicles can create a functional skin layer in a lab model, useful for dog skin therapy.

The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.

Environmental cues can change the fate and function of epithelial cells, with potential for cell therapy.

A new method helps grow skin cells from humans and mice more easily and quickly.

The method increases stem-like cells for better skin regeneration.

EGFR deficiency causes significant changes in skin cells and hair follicles.