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Researchers found genes for cysteine-rich proteins that form the protective layer of hair in humans and sheep.

S100A3 protein is crucial for hair shaft formation in mice.

Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.

PDI helps restore over-bleached hair's strength and structure by attaching special peptides.

Adenosine helps hair grow longer and stronger by boosting certain growth factors and signaling pathways.

Amino acid supplements may not be necessary for all women with chronic hair loss.

Amino acid supplements may not be necessary for all women with chronic hair loss.

Cysteine formation on hair indicates damage, best detected at pH 4.5.

Scientists found out how a specific protein in human hair cuticles behaves and is structured.

Lack of cystatin M/E causes thin hair and dry skin.

N-acetyl-cysteine shows promise in treating various diseases and may improve skin and hair conditions, but more research is needed on dosages and long-term effects.

N-acetyl cysteine and metformin both improved fertility in women with PCOS equally, but N-acetyl cysteine had fewer side effects.

Antioxidants can block the cancer-fighting effects of doxorubicin.

N-acetyl-cysteine improves hair growth and is safe for treating early male hair loss.

Not having enough cystatin M/E protein causes less hair growth and dry skin.

Mustard gas exposure causes hair loss, but treating with N-acetylcysteine can prevent it.

Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.

Cysteine and arginine are essential for hair growth and thickness.

Rosehip extract improves hair treatment and waving efficiency with cysteine but not with thioglycolate.

Behavioral therapy, N-acetyl cysteine, and olanzapine may help treat trichotillomania.

Different keratin types have unique amino acid patterns that are evolutionarily conserved.

Hair keratin-associated proteins are essential for strong hair, with over 80 genes showing specific patterns and variations among people.

A second domain of high sulfur KAP genes on chromosome 21q23 is crucial for hair structure.

Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.

Hair proteins have weak spots in their α-helical segments.

Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.

The study found that variations in hair protein genes are likely due to evolutionary deletions or duplications.

Sheep have a unique gene, KAP8-2, that humans don't have, which may affect wool properties.

Cystatin M/E helps in the final stages of hair and nail formation by controlling certain enzymes.

Hair keratins evolved from ancient proteins, diversifying through gene changes, crucial for forming claws and later hair in mammals.