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This study describes the anatomy of arrector pili muscles in scalp hair follicular units, proposing a model where a single muscle structure is shared by all follicles within a unit.

Oxidation changes the structure of hair protein filaments, causing them to compact and rearrange.

Stem cells in mouse nails are found in the nail matrix and may control nail growth.

In this study, R-CSLM showed promise in evaluating hair shaft diseases by providing high-quality images of hair structures, although further development is necessary for follicle and perifollicular area analysis.

This study found that human C-tactile afferents respond to hair deflection, suggesting a functionally relevant anatomical relationship to hair follicles similar to that observed in mice.

This study found that human hair follicle dermal papilla cells and keratinocytes self-assembled differently in 3D spheroid co-cultures, providing insights into cell distribution and organogenesis during skin regeneration.

This study reported no Cx30 expression in normal interfollicular human epidermis and minimal expression in some skin structures, with faint detection in porokeratosis of Mibelli patient skin.

Sfrp2 increases during hair follicle catagen phase and slows keratinocyte growth.

This study identified 15 Iranian patients with PLEC variants linked to various plectinopathies and highlighted a novel association between a homozygous nonsense variant in PLEC and a rare combination of disorders including EB pruriginosa, muscular dystrophy, and congenital myasthenic syndrome.

In this study, researchers created a mutant mouse lacking the first cut repeat in the Cux/CDP protein, resulting in curly vibrissae and wavy hair, supporting the role of Cux/CDP's DNA binding domains in gene regulation during development.

This article explains the structure and multifunctional roles of the human skin, including its protective, regulatory, and sensory functions, but does not report new research findings.

This paper proposes a systematic approach to evaluating scalp itch using the SCALLP acronym and highlights the importance of classifying cases based on the presence of dermatological lesions and hair loss, but it reports no new clinical findings.

This review discusses the role of defensin peptides in stem cell activation for potential skin rejuvenation therapies and reports no new clinical findings, emphasizing the need for further studies.

This study reports that the white rhinoceros has a unique integumentary structure among large herbivores, characterized by thick epidermis, organized collagen bundles, and the presence of coiled sweat glands.

This article discusses the minimal research on hair growth physiology and highlights Dr. Masumi Inaba's contributions to understanding androgenetic alopecia, but reports no new experimental results.

In this study, the researchers found that scalp sensitivity decreased by less than 39% in patients who underwent hair transplant surgery compared to healthy controls.

The document explains how hair follicles develop, their structure, and how they grow.

This study found that treating male rats with human hair follicle stem cells improved memory function impaired by streptozotocin and increased both neurotrophic and inflammatory markers, suggesting potential neuroprotective effects in this model.

This case report describes a 55-year-old woman with alopecia areata whose condition improved rapidly and did not recur after the surgical resection of a thymoma, suggesting a potential immunological link between alopecia areata and thymoma that warrants further investigation.

This study found that immunohistochemistry for calretinin may identify certain cutaneous adnexal tumors with follicular differentiation towards cells of the outer root sheath.

This study found that harp seal vibrissal innervation studies focusing only on lateral vibrissae may overestimate total innervation by about 20%, highlighting the importance of considering the entire snout.

This study suggests that the epidermis of monotremes and marsupials exhibits a more primitive pattern of protein distribution compared to eutherian mammals, with differences in loricrin distribution and keratinocyte maturation.

This study examined developing hair cortex with electron microscopy and found that keratin fibrils form between specific regions in hair follicles and aggregate into twisted cables.

This study observed that in mouse fetuses, reticular contraction by actomyosin is involved in dermal regeneration, and differences in actin and α-SMA localization may determine the switch between regeneration and scar formation, suggesting potential insights for wound regeneration therapy.

In this case study, electron microscopy revealed that harlequin ichthyosis involves giant mitochondria in keratinocytes and abnormal lamellar granule development, which may contribute to pathogenesis through altered lipid metabolism.

The cuneate nucleus has two main neuron types: relay neurons and interneurons.

This article reviews the regulation of gene expression and assembly of intermediate filaments but presents no new findings.

This study identified trichohyalin as an early differentiation marker in hair follicles, with potential structural roles related to alpha-helical formations, based on the partial characterization of its cDNA in sheep.