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Collagen makes skin stiff, and preservation methods greatly increase tissue stiffness.

Mouse touch-sensitive nerve cells adjust their connections based on competition with other similar cells.

Two-photon microscopy helps observe hair follicle stem cell behaviors in mice.

Dynamic, light touch is sensed through a common mechanism involving Piezo2 channels in sensory axons.

Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.

Darier-White disease causes skin and nail issues, starts around age 20, worsens until 40-50, and has poor treatment options.

Low-Level Laser Therapy can stimulate healing and cell function, potentially leading to wider medical use.

Both cell and non-cell parts are important for rat whisker follicle regrowth.

RNA delivery is best for in-body use, while RNP delivery is good for outside-body use. Both methods are expected to greatly impact future treatments.

The nucleus is key in controlling skin growth and repair by coordinating signals, gene regulators, and epigenetic changes.

3D imaging of skin biopsies offers better accuracy but is time-consuming and can't clear melanin.

Epidermal stem cells don't use gap junctions to communicate.

The research found that postmortem root bands in hair are likely caused by the breakdown of a specific part of the hair's inner structure after death.

Hair microscopy is a simple and cost-effective method to help diagnose systemic diseases in children.

Confocal Laser Scanning Microscopy (CLSM) is a useful tool for studying how drugs interact with skin and diagnosing skin disorders, despite some limitations.

Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.

The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.

The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.

Climate-related nutritional stress may cause hair loss in juvenile male Guadalupe fur seals.

Dermoscopy has improved skin cancer diagnosis and has expanding applications in dermatology, but requires staying updated with new research and techniques.

UV radiation and visible light can damage hair, but there are ways to protect it.

The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.

Dermoscopy is a good, noninvasive way to see normal cat skin structures and could be useful for check-ups.

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

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.

Lanyu pigs show that partial-thickness wounds can partially regenerate important skin structures, which may help improve human skin healing.

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

Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.

A young cat had a rare hair condition with twisted hair shafts but stayed healthy.

Use good lighting, consistent positioning, and proper camera settings for effective hair disorder photos.