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Alopecia areata is likely an autoimmune disease with unclear triggers, involving various immune cells and molecules, and currently has no cure.

Hair disorders are caused by a complex mix of biology, genetics, hormones, and environmental factors, affecting hair growth and leading to conditions like alopecia.

New treatments targeting T-cell pathways are needed for better alopecia areata management.

The article discusses how to fix bad results from hair restoration surgery, with different doctors suggesting methods like adding more grafts, moving transplanted hair, or using smaller grafts.

Using a blow dryer in a certain way can cause localized hair damage with bubble formation inside the hair.

The authors' 10-year experience shows that a personalized approach to hair restoration surgery, using various techniques, leads to natural results and high patient satisfaction.

Human alpha defensin 5 helps heal wounds, reduce bacteria, and grow hair on burned skin.

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

Scientists found the best time to transplant human stem cells for hair growth is between days 16-18 when they have the right markers and growth potential.

Scalp reduction gives the most natural result for significant crown baldness, despite potential complications, and a systematic approach to surgical hair restoration results in few complications and high graft survival.

The Foxn1(-/-) nude mouse shows disrupted and expanded skin stem cell areas due to high Lhx2 levels.

Dog skin with hair loss, when transplanted to mice, regrew hair, suggesting the hair loss cause is likely body-wide, not skin-specific.

MDSC-Exo can treat autoimmune alopecia areata and promote hair regrowth in mice.

New treatments for skin and hair repair show promise, but further improvements are needed.

Melanocyte transplantation can safely restore skin color, especially in stable vitiligo, but must be chosen carefully based on the disease phase.

The document concludes that skin grafts are essential for repairing tissue loss, with various types available and ongoing research into substitutes to improve outcomes and reduce donor site issues.

New methods for skin and nerve regeneration can improve healing and feeling after burns.

Regulatory T cells help heal skin and grow hair, and their absence can lead to healing issues and hair loss.

Certain diets may help with hair growth in people with different types of hair loss.

The research found that different types of fibroblasts are involved in wound healing and that some blood cells can turn into fat cells during this process.

Ruxolitinib helps protect skin stem cells and keeps skin healthy in mice with skin GVHD.

Human skin xenografting could improve our understanding of skin development, renewal, and healing.

Scientists successfully created and transplanted bioengineered hair follicles that function like natural ones, suggesting a new treatment for hair loss.

T-cell reconstitution after thymus transplantation can cause hair whitening and loss.

The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.

Hair follicle culture helps develop new treatments for hair loss.

Stem cell therapy is a promising approach for hair regrowth despite potential side effects.

Stem cells can help regenerate hair follicles.

Baldness might be caused by scalp weight pressing on hair follicles.

NIR-II imaging effectively tracked stem cells that helped repair facial nerve defects in rats.