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This review discusses hair straightening techniques, products, and safety risks, providing guidance for dermatologists to advise patients effectively; it reports no new clinical results.

In this study using rats, finasteride-induced DHT deficiency led to morphological changes in seminiferous tubules, linked with altered junctional protein expression, potentially impairing fertility.

This journal overview describes the Dermatologic Surgery publication's focus on a wide range of skin surgery topics and reports no specific research findings.

This review discusses the management options for recurrent ischemic priapism, noting that ketoconazole, finasteride, and other hormonal therapies may be effective but can have significant side effects; it reports no new clinical findings.

Keratin proteins in epithelial cells are dynamic and crucial for cell processes and disease understanding.

This review discusses the history, structure, and biological significance of keratins, including the crystal structure of a keratin helical segment, without reporting new experimental results.

This study found that hair curvature in merino wool is influenced by differences in cell type length rather than the proportions of orthocortical and paracortical cells.

In this study, researchers using live mice observed that oncogenic Kras mutation disrupts hair follicle architecture by sustaining ERK signal activation, which affects stem cell behavior and tissue integrity.

This study found that K79+ keratinocytes migrate outward to help form the hair follicle lumen both during development and adult regeneration, revealing a novel mechanism of hair follicle formation in mice.

This review suggests that multifunctional cosmetic systems, particularly HIVEN Curl Code ®, may help control frizz and maintain curl definition in highly curly hair by utilizing various conditioning and biofunctional ingredients.

This study identified five distinct natural scalp whorl patterns and noted that White males have more distinct whorls, whereas African Americans and women often display a diffusion pattern.

This study suggests that the downregulation of BBS7 in occlusal hypofunctional periodontal ligament impairs Shh signaling, which is essential for maintaining periodontal ligament homeostasis.

This case report describes an 11-month-old boy with Menkes disease, highlighting symptoms such as developmental delays and poor therapeutic response due to significant brain and vascular abnormalities.

This study found that the ablation of Esrp1 and Esrp2 disrupts epithelial tight junctions by affecting Arhgef11 isoform expressions, highlighting a potential mechanistic link between splicing alterations and epithelial barrier defects.

This study found that using poly(ethylene imine) as a counterion reagent improved the colorability and shampoo fastness of bleached human hair when dyed with an acid dye.

This editorial reviews the roles and therapeutic potential of inward rectifying K+ channels in various physiological processes, highlighting their importance in health and disease but provides no new experimental results.

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

This study reports improvement in tinea capitis symptoms in two siblings after two months of treatment with ketoconazole lotion and shampoo, following initial findings of M. canis and Rhodotorulla infections.

This study reported that hydrogels created from keratins extracted from human hair exhibit antibacterial properties and enhance tissue regeneration, suggesting their potential use in full-thickness skin repair, as demonstrated by increased collagen production and improved healing in vivo.

This study found strong evidence linking a keratin gene anomaly to pachyonychia congenita, supporting its role in affecting skin, nails, hair, and mucosa.

This discussion provides a historical overview of modern hair restoration surgery and proposes a standardized graft classification system, but reports no new clinical results.

In this study, formaldehyde hair straighteners significantly damaged curly hair by reducing break stress and break extension, while glyoxylic acid had a milder effect; both treatments increased shear modulus and decreased water sorption.

In this study, ATP-sensitive potassium channel openers, diazoxide and minoxidil, reduced scratching in cholestatic mice, suggesting these channels may play a role in cholestatic itch, while the channel blocker glibenclamide increased scratching behavior.

This article reviews the genetic foundations of keratins in maintaining epithelial tissue integrity and links specific keratin variants to diverse ichthyosis forms, without presenting new clinical findings.

This report describes cases of localized alopecia in two girls following hairstyling marketed as the "Princess Package" at a major U.S. theme park, likely due to pressure ischemia and acute traction alopecia, with some regrowth observed but also areas of scarring.

This case report presents a 2-year-old girl with type B loose anagen syndrome diagnosed through a painless hair pull test, avoiding unnecessary further tests or referrals.