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External factors can cause skin cancer cells that usually don't spread to grow and form tumors in mice.

Skin stem cells maintain and repair the outer layer of skin, with some types being essential for healing wounds.

The skin's dermal layer contains true stem cells with diverse functions and interactions that need more research to fully understand.

Milia may come from the outer part of the hair follicle.

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.

Scientists turned mouse stem cells into skin cells that can grow into skin layers and structures.

A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.

The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.

Treating melasma in men is difficult, especially for the deeper skin layers, and may need more than just topical treatments.

The skin is the largest organ, protecting the body, regulating temperature, and producing hormones.

Overexpression of activin A in mice skin causes skin thickening, fibrosis, and improved wound healing.

New research suggests that skin cell renewal may not require a special type of cell previously thought to be essential.

Cytokeratin 19 and cytokeratin 15 are key markers for monitoring the quality and self-renewing potential of engineered skin.

Different skin stem cells help heal wounds, with hair follicle cells becoming more important over time.

Changes in keratin affect skin health and can lead to skin disorders like blistering diseases and psoriasis.

Ashy dermatosis may be linked to atopy and thyroid disease and can be treated with topical steroids.

The hair follicle bulge is an important area for adult stem cells involved in hair growth and repair, with potential for medical use needing more research.

A rare benign skin tumor showed unusual features of sebaceous and sweat glands, important for correct diagnosis.

Certain skin cells near the base of hair muscles may help renew and stabilize skin, possibly affecting skin disorder understanding.

The skin protects the body, regulates temperature, senses touch, and makes vitamin D.

Removing centrosomes from skin cells leads to thinner skin and stops hair growth, but does not greatly affect skin cell differentiation.

SOX2 is crucial for skin cell function and hair growth, and it plays a role in skin cancer and wound healing.

The mTurq2-Col4a1 mouse model shows that cells can divide while attached to stable basement membranes during development.

Decreased IGF-1R expression may contribute to sacrococcygeal pilonidal sinus development.

Keratin 15 is not a reliable sole marker for identifying epidermal stem cells because it's found in various cell types.

The nude gene causes skin cell overgrowth and improper development, leading to hair and urinary issues.

GLI2 increases follistatin production in human skin cells.

Skin and hair can regenerate after injury due to changes in gene activity, with potential links to how cancer spreads. Future research should focus on how new hair follicles form and the processes that trigger their creation.

Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.

Mouse stem cells from hair follicles can improve wound healing and reduce scarring.