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Trichoepitheliomas can be hard to distinguish from other skin conditions and often start in teenage years.

A specific signal from hair cells controls the tightening of the surrounding muscle, which is necessary for hair shedding.

Storing hair follicle micrografts for longer times can cause them to enter a state similar to the natural hair shedding phase, which might impact hair transplant results.

SCD1 is important for hair growth by keeping the connection in skin cells where hair stem cells live stable.

Pigs without the Hairless gene showed skin and thymus changes, useful for studying human hair disorders.

The document concludes that hair loss is complex, affects many people, has limited treatments, and requires more research on its causes and psychological impact.

Aminoguanidine increases a specific growth signal in stored hair grafts, which may help them survive better after being transplanted.

Keloid skin disorder involves abnormal fibroblast activation and immune response, linked to a group of genes including FGF11.

Photodynamic therapy can remove nonpigmented hair in mice and might work for humans.

Faulty LEF1 activation causes faster skin cell differentiation in premature aging syndrome.

Melanocyte-associated antigens may play a key role in alopecia areata and could be targets for new treatments.

Triple horizontal scalp biopsies are 98% accurate in diagnosing hair loss, better than single biopsies.

The document concludes that the skin is a complex organ providing protection, sensation, and healing, with challenges in treating conditions like itchiness.

Aminoguanidine increases VEGF in stored hair micrografts, potentially improving their viability after transplant.

Manipulating cell cleanup processes could help treat hair loss.

Activating TRPMLs helps human cells important for hair growth and increases hair growth in mice.

Giant solitary trichoepithelioma is a rare, usually non-cancerous hair follicle tumor that can sometimes turn into skin cancer.

Sunlight exposure damages hair follicles, but certain stem cell-derived particles can reduce this damage and help with hair regeneration.

Dexamethasone affects hair growth by altering levels of proteins that either promote or inhibit hair follicle growth.

The document concludes that using stem cells to regenerate hair follicles could be a promising treatment for hair loss, but there are still challenges to overcome before it can be used clinically.

A rare benign skin nodule was found on the buttock, a unique location for this condition.

Trichogerminoma is a rare, benign skin tumor from hair cells, with a small risk of becoming cancerous.

New treatments for hair loss could involve using stem cells and a process called the Wnt/beta-catenin pathway to stimulate hair growth.

Alopecia areata causes patchy hair loss and involves immune system disruptions.

Glycyrrhizic acid and licorice extract can significantly reduce unwanted hair growth.

Keratin hydrogels from human hair show promise for tissue engineering and regenerative medicine.

Integrin alphavbeta6 is important for wound healing and hair growth, and blocking it may improve these processes.

Calreticulin has roles in healing, immune response, and disease beyond its known functions in the endoplasmic reticulum.

Jumonji genes are important for development and their mutations can cause abnormalities, especially in the heart and brain.

The document concludes that more research is needed to better understand and treat primary cicatricial alopecias, and suggests a possible reclassification based on molecular pathways.