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Scientists created a new 3D skin model from cells of plucked hairs that works like real skin and is easier to get.

The back of the scalp has more nerve fibers than the front, which may explain why some people feel more sensitivity there.

Surgical therapies for vitiligo vary in effectiveness, with combination therapy and medical tattooing recommended for better results.

Finasteride helps female-pattern hair loss.

The secretions of mesenchymal stem cells could be used for healing without using the cells themselves.

The document concludes that understanding how the skin's immune system and inflammation work is complex and requires more research to improve treatments for skin diseases.

Epithelial stem cells are crucial for tissue renewal and repair, and understanding them could improve treatments for damage and cancer.

Fat-related cells are important for initiating hair growth.

Nerve signals are crucial for hair follicle stem cells to become skin stem cells and help in wound healing.

Nerves are crucial for the regeneration of various body parts in many animals.

The Multi-Organ-Chip improves the growth and quality of skin and hair in the lab, potentially replacing animal testing.

ATP-dependent chromatin-remodeling complexes are crucial for gene regulation, cell differentiation, and organ development in mammals.

Chitosan nanofiber scaffolds improve skin healing and are promising for wound treatment.

Stress-related substance P may lead to hair loss and negatively affect hair growth.

Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.

Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.

The WNT signaling pathway is important in many diseases and targeting it could offer new treatments.

EGFR inhibitors often cause skin problems and other side effects, but these are usually reversible and can be managed to keep patients comfortable.

MIM is crucial for hair follicle formation and regeneration by controlling cilia formation and hedgehog signaling through its interaction with Cortactin and Src.

MicroRNA-214 is important for skin and hair growth because it affects the Wnt pathway.

Growth factors and cytokines are important for hair growth and could potentially treat hair loss, but more research is needed to overcome challenges before they can be used in treatments.

Hair follicle stem cells helped heal a severe scalp burn without needing traditional skin grafts.

TCDD speeds up skin barrier formation by increasing certain gene expressions.

Smart biomaterials that guide tissue repair are key for future medical treatments.

The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.

HFMs can help study hair growth and test potential hair growth drugs.

Lymphocytes, especially CD8+ T cells, play a key role in causing alopecia areata, and targeting them may lead to new treatments.

Keratin 79 marks a new group of cells that are key for creating and repairing the hair follicle's structure.

The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.

Disruptions in hair follicle fibroblast dynamics can cause hair growth problems.