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The upper dermal sheath can regenerate hair in rats.

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

Skin health and repair depend on the signals between skin stem cells and their surrounding cells.

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.

Newborn skin cells can change into wound-healing cells more easily than adult ones, which might explain why baby skin heals without scars. Understanding this could help treat chronic wounds and prevent scarring.

Natural products may help treat hair loss by promoting hair growth with fewer side effects.

Epidermal Wnt/β-catenin signaling controls fat cell formation and hair growth.

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.

The gene HDC is important for the development of hair follicles in newborn mice.

Researchers made a detailed map of gene activity for different parts of human hair follicles to help create targeted hair disorder treatments.

Topical glucocorticoids thin the skin and change collagen structure.

CRH in the skin acts like the body's stress response system, affecting cell behavior and immune activity.

Dermal stem cells help regenerate hair follicles and heal skin wounds.

Different lab conditions and light treatment methods change how human skin cells respond to light therapy.

Grouping certain skin cells together activates a growth pathway that helps create new hair follicles.

Wnt proteins from certain skin cells are crucial for normal hair growth and renewal.

Alginate spheres help maintain hair growth potential in human cells for hair loss treatment.

Mechanical forces are crucial for shaping cells and forming tissues during development.

Scientists found a way to grow human hair cells in a lab that can create new hair when transplanted.

PDGF signaling is crucial for maintaining and renewing hair follicle stem cells, which could help treat hair loss.

Prominin-1 expressing cells in the dermal papilla help regulate hair follicle size and communication but don't aid in skin repair.

Dermal papillae cells, important for hair growth, come from multiple cell lines and can be formed by skin cells, regardless of their origin or hair cycle phase. These cells rarely divide, but their ability to shape tissue may contribute to their efficiency in inducing hair growth.

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

The dermal papilla interacts with the epidermis to control hair growth and development.

3D imaging shows clearer details of skin structure changes with age.

Collagen and TGF-β2 help maintain hair cell shape and youthfulness.

Different types of skin cells play specific roles in development, healing, and cancer.

Fibroblast state switching is crucial for skin healing and development.

Certain immune cells in the skin release a protein that stops hair growth by keeping hair stem cells inactive.

Platelet-Rich Plasma (PRP) increases the number of new hair follicles and speeds up hair formation.