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Different signals work together to change gene activity and guide hair follicle stem cells to become specific cell types.

Epidermal stem cells help heal severe skin wounds and have potential for medical treatments.

Fingerprints form uniquely before birth due to specific genetic pathways and local signals.

A new tool can analyze hair to detect changes due to hormones, genetics, and aging.

CRISPR/Cas9 has improved precision and control but still faces clinical challenges.

Inositol and arginine solutions improve hair follicle health and turnover.

Stem cells can help other stem cells by producing supportive factors.

Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.

Stem cell therapies show promise for hair regrowth but need more research to confirm effectiveness.

The study showed that hair follicle stem cells can maintain and organize themselves in a lab setting, keeping their ability to renew and form hair and skin.

Different fields of expertise must work together to better understand hair growth and create effective hair loss treatments.

Fibroblasts, cells usually linked to tissue repair, also help regenerate various organs and their ability decreases with age. Turning adult fibroblasts back to a younger state could be a new treatment approach.

The study showed that some hair follicle stem cells wake up to grow hair while others stay asleep, and that the environment around them is important for hair growth.

Wounds heal without scarring in early development but later result in scars, and studying Wnt signaling could help control scarring.

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

Nanofiber scaffolds help wounds heal by delivering drugs directly to the injury site.

Progesterone and related compounds may help control seizures linked to the menstrual cycle but have limitations that need addressing.

New compounds were made that block an enzyme linked to breast cancer better than existing treatments.

Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.

Retinoids are effective for skin conditions like severe acne and psoriasis but must be used with caution due to potential side effects and risks during pregnancy.

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

Hair analysis is better than urine and blood for detecting past drug use.

A protein from fat-derived stem cells, DKK1, is linked to hair loss and blocking it may help treat alopecia areata.

Dermal-epidermal interactions are crucial for hair growth and maintenance.

Recombinant keratin materials may better promote skin cell differentiation than natural keratin.

The study found stem cells in minor salivary glands that can differentiate and are involved in tumor formation when exposed to tobacco.

The nervous system helps control stem cell behavior and immune responses, affecting tissue repair and maintenance.

Some natural compounds may help overcome drug resistance in certain cancers, but more research is needed.

The skin has about 230,000 touch-sensitive nerve fibers, with high concentrations in the hands and face.

Scientists have improved 3D models of human skin for research and medical uses, but still face challenges in perfectly replicating real skin.