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Different types of stem cells and their environments are key to skin repair and maintenance.

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.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Fibroblast growth factor receptor signaling controls cell development and repair, and its malfunction can cause disorders and cancer, but it also offers potential for targeted therapies.

Scientists turned rat thymus cells into stem cells that can help repair skin and hair.

Blocking the Wnt pathway could lead to new treatments for cancer and tissue repair but requires careful development to avoid side effects.

Skin's Regulatory T cells are crucial for maintaining skin health and could be targeted to treat immune-related skin diseases and cancer.

The TGF-β family helps control how cells change and move, affecting skin, hair, and organ development.

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

Procyanidin compounds from grape seeds were found to significantly increase mouse hair growth.

The three estrogen receptor genes are highly expressed in zebrafish neuromasts during development.

Wnt signaling is crucial for skin and hair development and its disruption can cause skin tumors.

Electrospun nanofibers show promise for enhancing blood vessel growth in tissue engineering but need further research to improve their effectiveness.

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

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

Macrophages are vital for skin healing, hair growth, salt balance, and cancer defense.

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

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

Keratinocytes control how melanocytes work.

BLIMP1 is essential for skin maintenance but not for defining sebaceous gland progenitors.

A new hydrogel with stem cells from human umbilical cords improves skin wound healing and reduces inflammation.

Possible new treatments for common hair loss include drugs, stem cells, and improved transplants.

Human amniotic membrane helps heal skin wounds faster and with less scarring.

Thyrotropin-Releasing Hormone helps heal wounds in frog and human skin.

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

Activin B improves wound healing and hair growth by helping stem cells move using certain cell signals.

Accurate diagnosis is key for treating different kinds of hair loss, and immune response variations may affect the condition and treatment results.

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

Skin aging is largely due to differences in stiffness and elasticity between skin layers, leading to wrinkles.

Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.