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This study found that human hair follicles emit electromagnetic fields due to metabolic activity linked to S100 proteins, visualized using a novel microscopic technique with nano-sized iron particles.

This study examined the unique structural features of sinus hair follicles in the shrew Sorex unguiculatus, which suggest a specialization for vibration sensing.

This notice provides information about JAMA Dermatology's website usage policy, and no research findings are reported.

This study characterized the mouse profilaggrin gene, finding it structurally identical to its human counterpart, and noted differences in protein-coding regions that could impact epidermal differentiation.

This study found that fibroblasts from highly regenerative mammals, such as spiny mice and rabbits, exhibit unique metabolic characteristics, including a preference for glycolysis and specific mitochondrial features, which may contribute to their resistance to oxidative stress and support tissue regeneration.

This study identified two evolutionarily conserved ultra-high-sulfur keratin proteins in human and sheep hair follicles, which are specifically expressed in the hair cuticle during the late stages of fiber development.

This study found that examining the microscopic and ultramicroscopic structures of donkey and horse hair can help differentiate between the species based on distinct differences in hair cuticle and brain substance patterns.

This study used phase contrast hard x-ray microscopy to capture detailed images of healthy human hair, revealing distinct structures such as the medulla, cortex, and cuticular layer.

This study found that cashmere has a significantly smaller mean fiber diameter compared to sheep and goat wool, and identified key proteins that may influence this difference.

This study developed a method for extracting proteins from micro-sized human head hairs, facilitating proteomic analysis even with limited hair sample availability.

This study observed that in live rodents, actin filaments adjust their structure to facilitate membrane transfer between cellular compartments; linear filaments stabilize fused membranes, while branched filaments, connected by the protein Ezrin, drive integration, demonstrating actin's role in adapting to membrane biophysical changes.

In this study, the researchers found that optic atrophy 1 (OPA1) is involved in the transition between filamentous and rounded mitochondria in hair follicle dermal papilla cells, potentially influencing cellular energy dynamics.

This study reports pseudopili annulati in a dark-haired Chinese girl, identifying the unique appearance and structural characteristics of her hair without finding abnormalities in the cuticle and cortex.

This study observed that hair fibers in older women become more curved with age, decreasing hair luster due to their disordered alignment and structural differences between the convex and concave sides.

This study utilized the DNP–SANS technique on human hair for the first time and found significant changes in the SANS profile dependent on polarization conditions, providing insights into the structural composition and dynamic properties of keratin and its associated proteins.

This article outlines a protocol for scanning electron microscopy of murine skin and primary keratinocyte monolayers, providing a guide for sample preparation and examination.

The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.

This study observed that human hair macrofibrils predominantly exhibit a double-twist architecture with varying inter-macrofibril angles, advancing insights into their structural organization and mechanical implications.

In this study, researchers employed a modified coaxial electrospinning technique to create core-sheath nanofibers, which improved the transdermal delivery of finasteride compared to traditional monolithic nanofibers, showing enhanced penetration rates throughout the testing period.

This study developed an improved reference genome for the African spiny mouse using long Nanopore sequencing reads, potentially aiding future research into the species' remarkable tissue regeneration capabilities.

This study found that electrospinning membranes with smaller fiber diameters significantly improved skin wound healing by promoting cell proliferation and encouraging reparative macrophage transformation.

This study observed defects in hair cuticle cross-linking in some, but not all, mouse mutants with sparse or structurally unsound hair.

This study presents a method for extracting and measuring cyclic AMP in small amounts of skin tissue, finding varying levels in the dermis, epidermis, and hair follicles.

This study found that hair shaft keratin proteins can be reliably identified from samples as small as 0.12 cm, suggesting their potential forensic utility with typical casework sample sizes.

Sulphur in hair follicles increases from the bulb and then levels off, while other elements vary in distribution.

This study found that a new 3D image analysis method from SEM images enables quick and accurate measurement of cuticle scale heights in hair fibers.

This study identified a target relationship between miR-148a, miR-10a, and BMP7, suggesting these microRNAs influence dermal papilla cell proliferation and may regulate hair follicle growth.

The researchers reported that mast cell and nerve fiber interactions in mouse skin are highly selective for nerve fiber types and vary depending on the hair cycle phase.

This study found that levels of the protein MAGP-1, important for skin elasticity, decrease with aging and photoexposure, potentially contributing to skin fragility, sagging, and enlarged pores.