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This report describes an 11-year-old boy with Netherton syndrome who developed Cushing syndrome after using low-potency hydrocortisone ointment extensively, highlighting caution with long-term topical treatments in such conditions.

This study suggests that androgens enhance growth factor production in dermal fibroblasts, which in turn may alter keratinocyte differentiation and contribute to acne lesion formation.

In this study, targeting the expression of a keratin KRT5/KRT8 chimeric cDNA in keratin-deficient mice partially restored structural defects in epidermal cells, but did not fully normalize skin health.

Loose anagen hair syndrome in children may improve with age, but treatment results vary.

This study observed that epidermal growth factor and fibroblast growth factor have distinct roles in sheep skin, with EGF involved in differentiation and FGF in bulb proliferation and fiber growth.

This study found that hair analysis is an effective non-invasive method for assessing metabolic fluctuations, showing stable advanced glycation end products levels that correlate with age and differ significantly between diabetic and non-diabetic rats.

In this study, nail involvement was observed in 42.8% of children with alopecia areata, yet often went unrecognized, indicating that clinical and dermoscopic evaluations can improve detection and provide important prognostic information.

This study found that pelage abnormalities in Harlequin mutant mice are linked to severe AIF deficiency and associated with altered expression of genes related to hair structure.

This study reports that structural abnormalities in the inner root sheath of hair follicles may cause the hair shaft to be loosely attached in patients with loose anagen hair syndrome.

This review discusses the multifaceted roles of hair follicles in skin health, including potential contributions to skin neoplasias, and reports no new results.

This review examines the role of P-cadherin in skin and hair biology, emphasizing its importance in human hair growth, cycling, and pigmentation, and reports no new research findings.

This article highlights causes of otitis externa in small animals and proposes an investigative approach; it reports no new findings.

This article discusses the psychological impact of skin imperfections and suggests establishing a Cosmetic Dermatology Service within public health systems to address these issues ethically.

This study found that AP-2α and AP-2β transcription factors are crucial for maintaining adult skin homeostasis, with their inactivation in keratinocytes leading to impaired differentiation, hair abnormalities, and inflammation, highlighting their key regulatory roles.

This article presents an overview of uncombable hair syndrome, emphasizing its clinical and molecular characteristics and noting systemic manifestations such as neuropsychiatric, ophthalmic, and cardiopulmonary issues.

This article proposes a new classification system for cutaneous adnexal cysts based on their origin in the folliculo-sebaceous unit and sweat glands, aiming to clarify their categorization and origins.

This study identified specific reflectance confocal microscopy features that help differentiate scarring from non-scarring alopecia, providing a non-invasive diagnostic tool.

This study concluded that the process of mummification disfigures facial features, making identification challenging, but commercial shrunken heads retain more defining features compared to ceremonial ones.

This study found that COX-2 expression in normal rat skin is linked to the hair cycle, with varying levels observed in different skin structures during anagen, catagen, and telogen phases.

This review highlights evidence supporting the potential of blue light therapy as a non-invasive treatment for managing skin and hair conditions by modulating interactions between the skin microbiome and its host.

This case study reported that in a 67-year-old woman with Netherton syndrome, treatment with dupilumab improved skin inflammation and pruritus and was associated with significant improvements in hair growth and structure, including the resolution of "bamboo" hair.

This article explains that proliferating trichilemmal tumors, originating in the hair follicle, can exhibit low-grade malignant potential, and recommends wide excision to minimize recurrence risk, but reports no new clinical findings.

This study found that the novel dot-block method can effectively measure early- and advanced-glycation products in hair, suggesting its potential for monitoring diabetes progression and other chronic conditions.

The enzyme PA-PLA1α is important for proper hair follicle development.

This study found that disrupting the Sox21 gene in mice led to progressive hair loss and regrowth, identifying Sox21 as a key regulator of hair shaft cuticle differentiation.

This study extended a skin diffusion model to include a porous pathway, effectively explaining the permeability of both polar and lipophilic solutes through the stratum corneum.

This study reveals that transglutaminase activity is widespread in integumentary structures of mammals and birds, suggesting it plays a significant role in the cornification of hard skin appendages like nails and feathers.

This report discusses a 77-year-old man with primary onycholemmal carcinoma, a rare nail bed tumor, emphasizing its slow growth, diagnostic challenges, and treatment typically involving surgical removal.

This review discusses the role of connexin mutations in various human disorders, highlighting their impact on ectodermal epithelial phenotypes like hearing loss and skin abnormalities, but it presents no new clinical findings.

In this study, transgenic mice altered to express a Clim-inhibiting molecule under a keratin promoter showed corneal degradation and hair follicle failure, highlighting Clim proteins' role in maintaining these tissues.