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A cross-bred lamb with severe skin and movement issues had ichthyosis fetalis but normal vitamin A levels.

The patient with both scarring and non-scarring hair loss showed complex immune reactions and improved with steroid treatment.

Hormones, especially androgens, play a key role in causing acne, and treatments like hormone control pills and hormone-blocking medications can help.

Some medications for inflammation can cause a condition with scalp rashes and hair loss, often linked to Crohn's disease, and may require treatment changes to prevent permanent hair loss.

Good nutrition may help prevent premature hair graying.

Transplanted hair follicles show significant changes after FUE, needing more research.

The new scalp treatment preserves hair color, reduces hair loss, and maintains hair strength.

Androgens and other hormones affect hair growth and skin conditions like acne.

Cortisone may help hair regrow by altering the local environment, with regrowth starting 3-4 weeks after treatment, but its use is not widely recommended.

The main difference in hair loss for lupus patients is smaller and fewer sebaceous glands.

Scalp psoriasis can cause different types of hair loss, with some patients developing permanent hair loss, and treatment may be stopped due to skin reactions.

Cicatricial alopecia, a permanent hair loss condition, is mainly caused by damage to specific hair follicle stem cells and abnormal immune responses, with gene regulator PPAR-y and lipid metabolism disorders playing significant roles.

The recipient site can affect the growth and survival of transplanted hair but not its thickness.

Trichoscopy helps diagnose and monitor hair loss, showing different signs at various stages of hair thinning.

Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.

Artificial skin development has challenges, but new materials and understanding cell behavior could improve tissue repair. Also, certain growth factors and hydrogel technology show promise for advanced skin replacement therapies.

Hairless mice lack fur due to a genetic mutation affecting skin response, not hormone issues.

Hair restoration surgeons have improved follicular unit excision (hair transplant method) by using innovative tools and techniques, reducing hair damage and increasing success rates.

The we/we wal/wal mice have defects in hair growth and skin layer formation, causing hair loss, useful for understanding alopecia.

Intense pulsed light treatment mainly damages pigmented hair parts but spares stem cells, allowing hair to regrow.

Hairless mammals have genetic changes in both their protein-coding and regulatory sequences related to hair.

The gene HDC is important for the development of hair follicles in newborn mice.

GRK2 is essential for healthy hair follicle function, and its absence can lead to hair loss and cysts.

Early treatment of children's hair loss, which can be caused by various factors, is important due to its emotional impact.

Genetic defects and UV radiation cause skin damage and aging.

The document concludes that permanent hair loss conditions are complex, require early specific treatments, and "secondary permanent alopecias" might be a more accurate term than "secondary cicatricial alopecia."

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

TGase 3 helps build hair structure by forming strong bonds between proteins.

Certain human skin cells marked by CD44 and ALDH are rich in stem cells capable of long-term skin renewal.

GasderminA3 is important for normal hair cycle transitions by controlling Wnt signaling.