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Mammals might fail to regenerate not because they lack the right cells, but because of how cells respond to their surroundings, and changing this environment could enhance regeneration.

Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.

New methods have greatly improved our understanding of stem cell behavior and roles in the body.

Human hair follicle stem cells can turn into multiple cell types but lose some of this ability after being grown in the lab for a long time.

The FOXN1 gene is crucial for developing immune cells and preventing immune disorders.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

The peptide IMT-P8 can effectively deliver proteins into the skin and cells for potential skin treatments.

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

Drugs targeting the JAK/STAT pathway can improve atopic dermatitis but vary in effectiveness for vitiligo and alopecia areata, with generally mild safety concerns.

Eph/ephrin signaling is important for skin cell behavior and could be targeted to treat skin diseases.

A gene variant in KRT71 causes the curly fur in Selkirk Rex cats.

PDGF signaling is crucial for maintaining and renewing hair follicle stem cells, which could help treat hair loss.

Mice can correct hair follicle orientation without certain genes, but proper overall alignment needs those genes.

Transit-amplifying cells are crucial for tissue repair and can contribute to cancer when they malfunction.

Single Blimp1+ cells can create functional sebaceous gland organoids in the lab.

Activin activation in skin cells speeds up wound healing without affecting scar quality.

Rapamycin treatment helps with mitochondrial disease by reducing PKC levels.

Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.

Transgender patients need proper skin care, especially when undergoing hormone treatments, to manage issues like acne and hair loss.

The study created hair-bearing skin models that lack a key protein for skin layer attachment, limiting their use for certain skin disease research.

The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.

Oncogenic K-ras causes rapid cancerous changes in the mouth's lining.

Human nails and hair follicles have similar gene activity, especially in the cells that contribute to their growth and development.

A circular RNA helps cashmere goat hair cells become hair follicles by blocking a molecule to boost a gene important for hair growth.

Orobanche rapum extract rejuvenates skin and protects skin bacteria, leading to healthier skin.

Deleting Snai2 and Snai3 causes fatal autoimmunity.

Modified stem cells that overexpress a specific protein can improve hair growth and reduce hair abnormalities in mice.

Stem cell treatments can potentially treat baldness, with one trial showing hair growth after injecting a hair-stimulating complex, and no safety issues were reported.

Thiosulfate may help hair grow faster in mice and works well with a common hair growth treatment.

Eastern Red Bat hair contains various glycerophospholipids, mainly phosphatidylcholine.