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Keratin-associated proteins have ancient origins and were used for different purposes before being adapted for hair in mammals.

The TRPV3 gene mutation affects hair growth by keeping mice in the growth phase longer, which could help treat hair loss.

Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.

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

Human liver cells stick to hair protein materials mainly through the liver's asialoglycoprotein receptor.

Changes in keratin affect skin health and can lead to skin disorders like blistering diseases and psoriasis.

Keratin fibrils in hair form and stop growing at specific points in the follicle.

Keratin proteins are consistent across different hair types from the same person.

Three related Persian cats have a rare, likely hereditary skin condition causing hair loss and poor coat quality, with limited treatment options.

Keratin 33A is a key protein in goat winter coats, especially in high-producing breeds.

Overexpressing Tβ4 in goats' hair follicles increases cashmere production and hair follicle growth.

DNA profiling in forensics has improved, but predicting physical traits and ancestry from DNA has limitations and requires ethical consideration.

Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.

Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.

KAP-depleted hair causes less immune response and is more biocompatible for implants.

Scientists made structures that look like human hair follicles using stem cells, which could help grow hair without using actual human tissue.

Two drugs, ritlecitinib and brepocitinib, improved scalp hair loss condition markers.

Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.

Mice lacking Insig proteins had hair growth problems due to cholesterol buildup, but this was fixed by the drug simvastatin.

Keratin hydrogel from human hair helps rats recover better from spinal cord injuries.

Recombinant keratin K31 makes damaged hair thicker, stronger, and straighter.

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

Cyclosporin A helps mice grow hair by blocking a specific protein activity in skin cells.

Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.

Different hair protein amounts change the strength of keratin/chitosan gels, useful for making predictable tissue engineering materials.

The Wnt signaling pathway is not a major factor in the development of keratoacanthoma, a type of skin tumor.

A woman with a new PTCH gene mutation has both Gorlin syndrome and severe hair loss.

Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.

Certain RNA molecules are important for the development of wool follicles in sheep.

Stress can cause a type of hair loss in mice lacking the CCHCR1 gene.