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This study demonstrates that (9+2) topological patterns derived from fractal fiber sets exist, with nine total patterns and only two being independent or fundamental.

This study reports that trichocyte intermediate filaments from rat vibrissae and human hair follicles may contain a hollow region at their core, suggesting unique structural properties.

This study identified two types of hard alpha-keratin filament assemblies in developing human hair follicles, which may help investigate the structural framework of mammalian keratin appendages.

In this study, molecular dynamics simulations indicated that the Glu413Lys mutation in human hair keratin significantly affects the stability of coiled coil structures, whereas Glu413Asp showed no impact on stability.

This study found that the curl in hair is due to the arrangement of different cell types, with shorter paracortical cells inside the curve and longer orthocortical cells outside.

In this study, transfection experiments showed that mutations in the K85 gene affect filament formation with K35, which may impact hair formation related to ectodermal dysplasia.

Oxidized trichocyte keratin has a helical dislocation in its structure.

This study re-examined the structure of lanceolate endings in rat vibrissae, suggesting that their apical cones may function as a transducer site for detecting hair movements.

This study demonstrated that hair shaft bipolarity is triggered by a gap in follicle electromagnetic fields, potentially impacting blood coagulation through an observed positive electric field.

This article reports electron microscope studies on the structure of hair and wool, but it does not present new clinical findings.

This study developed a multiscale model to understand human hair fiber mechanics and found that the yield stress decreases linearly with temperature, supported by both simulations and experimental stretching of hair fibers.

In this study, researchers developed a mathematical model of outer hair cell hair bundles that replicates experimental responses to mechanical stimuli, providing insights into the stimulus-dependent adaptation mechanisms and the functional significance of their three-row stereocilia configuration in mammalian hearing.

This study reports that over 70% of responding dermatologists prescribed topical minoxidil, but a small percentage accounted for most prescriptions and few reported complications beyond local irritation.

This letter addresses feedback on a study about the effects of platelet-rich plasma on female androgenetic alopecia, particularly discussing the magnification choices for measuring hair density and caliber.

This study found that subcutaneous administration of Botulinum toxin type A significantly reduced histamine-induced itch intensity and neurogenic inflammation in human skin compared to saline.

This study found that in mice with alopecia areata, a single subcutaneous injection of botulinum neurotoxin serotype A significantly reduced hair loss and stimulated hair follicle regeneration.

This study found that Botox® was most effective at a 25 U/ml concentration, while Dysport® and Neurobloc® were optimal at 100 U/ml for producing anhidrotic areas after injections.

This commentary reviews the findings of a study on platelet-rich plasma therapy for female androgenetic alopecia and suggests further evaluation of its quantitative effectiveness despite promising preliminary results.

Using synchrotron X-ray imaging, this study mapped the complex innervation of male rat vibrissa follicles, revealing distinct types of myelinated afferent neurons and patterns of axonal organization that may inform sensory processing in the brainstem.

This review discusses the use of trichoscopy for diagnosing mimickers of patterned hair loss and assessing donor sites before hair transplant surgery, and reports no new clinical results.

This study reported that a new surgical technique resulted in minimal scars visible to the naked eye in most cases, suggesting a significant improvement over conventional closure techniques.

This study presents a new surgical technique that frequently results in minimal scars visible to the naked eye, marking a significant improvement over traditional methods.

This study hypothesizes that the curling of hair may result from the contraction of the Arrector Pili Muscle, contributing to the diverse types of curly hair.

This study proposed a network model for the cross-linked structure of keratin-associated proteins in hair and wool fibers, suggesting notable differences between the two, potentially affecting hair fiber elasticity.

This study discovered previously unknown structures in human hair shafts that may stabilize hair structurally and physicochemically.

This issue information abstract introduces a collection of articles, including one on hair keratins' unique filament formation, without reporting new experimental findings itself.

Hair follicles form hard α-keratin filaments in four steps, showing structural differences.

In this study, researchers identified a three-step process underlying age-related curved hair from cyclical extension: surface lipid transfer, specific disulfide bond cleavage, and unraveling of α-helices into β-structures, which may inform care strategies to manage hair curvature.

In this study, researchers estimated that 80% of patients infected with SARS-CoV-2 experienced at least one long-term symptom, with fatigue being the most common.