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UVB exposure in human skin causes macrophages to produce more IL-10 and less IL-12, leading to immunosuppression.

Scientists have improved 3D models of human skin for research and medical uses, but still face challenges in perfectly replicating real skin.

Hair follicle-derived IL-7 and IL-15 are crucial for maintaining skin-resident memory T cells and could be targeted for treating skin diseases and lymphoma.

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

Blocking the CXCR3 receptor reduces T cell accumulation in the skin and prevents hair loss in mice.

Hair follicles are essential for skin health, aiding in hair growth, wound healing, and immune function.

Skin bacteria, specifically Staphylococcus aureus, help in wound healing and hair growth by using IL-1β signaling. Using antibiotics on skin wounds can slow down this natural healing process.

MG53 helps reduce skin damage caused by nitrogen mustard.

Different cell types work together to repair skin, and targeting them may improve healing and reduce scarring.

Researchers successfully grew horse skin cells that produce pigment from hair follicle samples.

Improved understanding of stem cell mechanisms can enhance skin tissue engineering.

Two-photon microscopy effectively tracks live stem cell activity in mouse skin with minimal harm and clear images.

Activating ER-β, not ER-α, improves skin cell growth and wound healing.

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.

Animal models have helped understand hair loss from alopecia areata and find new treatments.

The document concludes that alopecia has significant social and psychological effects, leading to a market for hair loss treatments.

Wounds on the face usually heal with scars, but understanding how some wounds heal without scars could lead to better treatments.

A new painless method to collect hair follicles helps study DNA damage and aging.

Hydrangea serrata extract may promote hair growth and improve hair health.

GPR39 is linked to certain cells in the sebaceous gland and helps with skin healing.

Stem cells can help regenerate hair follicles.

Memory T cells in the skin balance staying put and moving into the blood, clustering around hair follicles, and increasing in number after infection.

Faulty inflammasome activation may lead to autoimmune skin diseases and could be a target for new treatments.

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

Gamma delta T cells in the skin help with healing and defense but can also cause autoimmune issues, and more research is needed to understand how they are activated.

Keratinocytes help heal skin wounds by interacting with immune cells and producing substances that kill pathogens.

Prolactin affects the production of different keratins in human hair, which could lead to new treatments for skin and hair disorders.

Certain transcription factors are key in controlling skin stem cell behavior and could impact future treatments for skin repair and hair loss.

Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.

Proteins like aPKC and PDGF-AA, substances like adenosine and ATP, and adipose-derived stem cells all play important roles in hair growth and health, and could potentially be used to treat hair loss and skin conditions.