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Scientists developed a method to grow human fetal skin and digits in a lab for 3-4 weeks, which could help study skin features and understand genetic interactions in tissue formation.

Certain treatments can increase protein binding to natural hair but are less effective on permed hair.

Genetic variations in hair keratin proteins exist but don't significantly affect hair structure.

Bird foot scales develop differently and can repair but not fully regenerate due to the lack of specialized stem cell areas.

Alopecia areata can be reversed by JAK inhibitors, promoting hair regrowth.

Bleaching damages hair by reducing the quality of keratin and keratin-associated proteins.

Key genes and RNAs related to hair growth in sheep were identified, aiding future breeding improvements.

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

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

Hydrangea serrata extract may promote hair growth and improve hair health.

Recombinant keratins can form useful structures for medical applications, overcoming natural keratin limitations.

Dermal papilla cells are key for hair growth and color, influencing hair type and size, and their interaction with stem cells could help treat hair loss and color disorders.

K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.

The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.

Cell polarity signaling controls tissue mechanics and cell fate, with complex interactions and varying pathways across species.

The research identified key proteins that affect wool fiber thickness in Angora rabbits.

Genetic mutations can cause hair growth disorders by affecting key genes and signaling pathways.

Hair loss in Androgenetic Alopecia is caused by genetics, aging, and lifestyle, leading to hair follicle shrinkage and related health risks.

Blocking the Mitochondrial Pyruvate Carrier causes stress in hair follicles, which can be reduced by an ISR inhibitor.

The study concluded that a protein important for hair strength is regulated by certain molecular processes and is affected by growth phases.

Plant extracts may help prevent or reverse hair graying.

Human hair keratins can be turned into useful 3D biomedical scaffolds through a freeze-thaw process.

Alopecia areata and vitiligo share immune system dysfunction but differ in specific immune responses and affected areas.

Androgens reduce BMP2, which weakens the ability of certain cells to help hair stem cells become different types of cells.

Hormones and genes affect hair growth and male baldness.

Scaffoldin helps form hard skin structures in chicken embryos.

Luteolin can reduce hair graying in mice, with external treatment being more effective.

Tiny needles with valproic acid can effectively regrow hair.

Alopecia areata involves immune activation in the scalp, suggesting treatments targeting TH1, TH2, and IL-23 pathways.

Non-coding RNAs are important for hair growth and could lead to new hair loss treatments, but more research is needed.