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This review discusses three aspects of cell fate specification across Metazoa and reports no new experimental results, highlighting the formation of nematode equivalence groups, evolution of echinoderm skeletogenic mesoderm, and adult cell fate regulation.

This case report describes a rare autosomal dominant hair shaft disorder, monilethrix, observed in three consecutive generations of a family, with gradual improvement noted with age.

This review discusses novel molecular techniques in skin appendage research and summarizes the distribution of key molecules, but it reports no new experimental results.

This study reports that different adhesion molecules play distinct roles in the morphogenesis of feathers and hair, influencing processes such as mesenchymal condensation, epithelial folding, and cell death.

This case report describes a 6-year-old girl diagnosed with monilethrix despite no familial history and treated with a topical minoxidil trial.

This case report describes a diagnosis of cutaneous pilus migrans in a 19-month-old girl, highlighting its rarity and distinction from larva migrans, and confirming it through microscopic examination.

In this study, researchers discovered that the MafB gene, which is important for macrophage differentiation, shows high expression in the pancreas and is influenced by sex steroids, with varied expression patterns in hamster tissues and during reproductive phases.

In this study, researchers identified specific Se6OMT enzymes in *S. epigaea* involved in the cepharanthine biosynthetic pathway, providing insights into their substrate promiscuity and essential genetic components for metabolic engineering and synthetic biology applications of cepharanthine production.

This study found that the FER/MLO signaling module plays a crucial role in calcium oscillations and ROS production in root hair tip growth, with the MLO15 protein regulating these processes and restoring disrupted growth and signaling in fer mutant root hairs.

This study found that melatonin receptor genes play a key regulatory role in the development of goose skin feather follicles during embryonic development.

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 suggests that the MAEG protein may facilitate epithelial–mesenchymal interactions during hair follicle development by binding to RGD-binding integrins like α8β1.

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 study discovered that the transcription factor FoxA is crucial for the regeneration of the planarian pharynx, revealing its new role in organ-specific regeneration.

This study discovered two new species of mites in the hair follicles of squirrel monkeys from South America, potentially causing follicle damage due to secondary infection.

This study found that the miR-140-y-TCF4 axis regulates the proliferation of goose embryonic dermal fibroblast cells by affecting the Wnt signaling pathway, highlighting its role as a dynamic regulator during skin and feather follicle development.

This study found that in sheep, the microRNA oar-miR-377 regulates hair follicle development by targeting the SLC24A2 gene, and identified a genetic variation associated with wool quality, suggesting potential markers for breeding.

This study describes a Japanese family with monilethrix and found no clear genotype/phenotype correlation in cases with the E413K mutation in hHb6.

This report describes two cases of monilethrix in Afghan siblings, detailing the hair disorder's clinical presentation and potential influences on hair growth, such as hormonal changes and iron supplementation.

This study observed that in wild snowshoe hares, gene expression patterns during seasonal coat color change show a consistent lag between gene expression and visible coat color changes.

This study identified two novel point mutations in the hHb6 gene associated with monilethrix, suggesting these mutations could serve as diagnostic markers for this genetic hair disorder.

This study found that the transcription factor Meis2 is crucial for the maturation and innervation of sensory neurons responsible for light touch in mice, with its absence leading to reduced touch sensitivity.

This report describes a boy with ectodermal dysplasias who was genetically diagnosed due to newly discovered TSPEAR gene variants, which have now been associated with this condition.

This article discusses the discovery of the first known menstruating rodent, the spiny mouse, and proposes that a significant increase in progesterone during the luteal phase is a unique feature of menstruating species, but reports no new experimental results.

In this study, forced expression of the transcription factor cDermo-1 in chicken dermis led to the formation of ectopic feather buds and enhanced feather growth, demonstrating its role in initiating skin appendage development.

This study identified a mutation in the KRTHB6 gene in two monilethrix families of Indian origin, linking specific genetic variations to different severities of hair defects within the families.

This case report describes a rare occurrence of ectodermal dysplasia features in a 14-year-old with MBTPS1 gene variants, expanding the known spectrum of related disorders.

This article outlines methods to study the skin and its molecular traits, focusing on interpretation and techniques applicable to mouse models, including diverse assays and approaches like electron microscopy and large-scale lipid analyses.

In this study, researchers found that the cornification process in the nuptial pads of Xenopus frogs involves the expression of the type II hair keratin homolog, krt59, and is regulated by the transcription factor hoxc13, showing similarities to mammalian hair evolution.

This study investigated a spontaneous mutation in mice resulting in hair abnormalities and elevated IgE levels, which resembles human Netherton's syndrome and monilethrix.