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This article reviews the occurrence of ectopic sebaceous glands in hair follicle matrix during hair embryogenesis and reports no new clinical results, indicating unknown pathogenesis and clinical implications.

This research suggests that hair keratins evolved from claw keratins in a hairless ancestor, with Hoxc13 controlling their expression in tetrapods, evidenced by the knockout of Hoxc13 hindering claw formation in Xenopus tropicalis frogs.

This report describes a case of widespread Porokeratotic eccrine and hair follicle nevus in a 15-year-old woman with keratitis-ichthyosis-deafness syndrome, involving both eccrine ostia and hair follicle infundibula.

The study found that dermal EZH2 plays a crucial role in coordinating dermal fibroblast differentiation and epidermal development by modulating Wnt/β-catenin and retinoic acid signaling.

This study found that the progression of fetal skin development, marked by key features like the appearance of hair follicles and eccrine sweat glands, can help determine fetal age and predict congenital skin diseases.

In this study, Dsc 1 was highly expressed in certain layers of fetal epidermis and hair follicle but not in basal cells or oral mucosa, indicating its potential role in maintaining epithelial integrity.

This report describes a 1949 case of a young girl with a rare congenital ectodermal defect causing unique hair fragility, which had not been previously documented in the literature.

In this case report, a late preterm male infant presented with a pathogenic TP63 gene variant, consistent with Rapp-Hodgkin Syndrome, showing symptoms such as ichthyosiform erythroderma, cleft palate, and ankyloblepharon, highlighting the complex management and diagnostic challenges in such cases.

This study identifies two previously unreported pathogenic RIPK4 gene variants, suggesting a functional link with cell adhesion molecules in ectodermal dysplasias.

Integumentary organs adapt and evolve for survival, with potential uses in regenerative medicine.

This study found that MEIS2 expression in neural crest-derived cells is crucial for whisker and trigeminal nerve development in the mesenchyme, indicating an early role in epithelial placode formation and dermal condensation, independent of sensory innervation or Foxd1 expression.

This study suggests that exogenous retinoic acid can alter the morphogenesis pathway of developing skin appendages when applied during the placodal stage, leading to changes like feather formation in atypical regions of chick embryos.

This study found that ectodermal precursor cells derived from human induced pluripotent stem cells may enhance hair follicle morphogenesis through improved epithelial-mesenchymal interactions when cocultured with dermal cells.

This study reports that KRTAP-like proteins, which resemble keratin-associated proteins found in mammals, are also present in the cornified teeth of various lamprey species, suggesting these proteins may serve similar functions in skin appendages across different vertebrates despite independent evolutionary origins.

This study reported that the concept of the onychodermis, defined by CD10 expression, is present in the developing nail organ and may play a role in nail plate formation.

This case report details the dermoscopic features of oral lichen planus in a young adult male, using mucoscopy to reveal a tri-colored pattern with unique structures and vascular patterns.

In this study, EDA-A2 transgenic mice exhibited multifocal myodegeneration dependent on XEDAR, suggesting a potential role for XEDAR in skeletal muscle homeostasis.

This paper highlights advances in Developmental Dynamics, noting how epoa-deficient zebrafish can model Diamond-Blackfan anemia like disorders for drug screening, Alx4 mouse models offer insights into craniofacial development, and mTORC1 signaling is crucial for retinal development.

This study found that Middle Eastern patients with epidermolysis bullosa show specific correlations between their genetic variants and clinical features, which may aid in diagnosis and genetic counseling.

This study found that rete ridge morphogenesis in mammalian skin is directed by a BMP-dependent developmental program, which is evolutionarily distinct from other known pathways controlling the development of hair follicles, sweat glands, and fingerprint ridges.

This article reviews phenotypic variability linked to WNT10A nonsense mutations and does not present new research findings.

This study suggests that egfl6 expression in the pharyngeal pouches is not essential for craniofacial development in zebrafish.

This study found that T cytokeratins appear more gradually and with complex coexpression patterns in developing nail structures compared to the more abrupt transition in hair follicles.

This study found that Hoxc13-/- rabbits exhibit complete hair loss on the head and dorsum, providing a potential model for understanding human ECTD-9 and related dermatological conditions.

This study suggests that human embryonic stem cells may improve skin graft quality and functionality by enabling the identification and amplification of early ectodermal progenitors, pending confirmation from preclinical studies.

In this study, researchers found that the EDMTFH protein is present in specific layers of the chicken embryo skin and feathers, suggesting its role in feather mechanics and development.

This study established a new cell line from human hair follicle stem cells that maintains stem cell properties and differentiation capabilities, providing a useful in vitro model for stem cell research.

This study found that endothelial cells under serum deprivation significantly upregulated genes related to inflammation and coagulation, which may impact outcomes in tissue transfer procedures.

This case report describes a Thai male with TRPS1 who exhibited unique and unreported features such as hypoplastic mandibular condyles, double mental foramina, and distinctive hair abnormalities.