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This report on two Indian male siblings with monilethrix highlights trichoscopy's role in diagnosing this condition, which can be complicated by early-onset androgenetic alopecia.

In this study, transiently activating the sonic hedgehog signaling pathway in chickens transformed reticulate scales on the feet into feathers comparable to body feathers, without ongoing treatment, suggesting this pathway affects the diversity of bird skin appendages.

In this study, researchers documented the first instance of alopecia in bats within the Puebla region, specifically affecting two Artibeus jamaicensis and one Choeronycteris mexicana, possibly linked to environmental stress from human activities interfering with their nutrition.

This case report describes an eight-year-old Kashmiri boy diagnosed with monilethrix, a rare genetic hair disorder, characterized by a beaded appearance and fragility of the hair shaft.

This study found that scanning electron microscopy revealed considerable abnormalities in hair morphology in MPS I, II, IIIA, and IIIB patients, potentially related to heparan sulfate accumulation.

In this study, researchers identified loss of function variants in the HR gene as likely causes of the distinct roaning hair coat seen in lykoi cats.

This study found that brindled mottled mice, a model of Kinky hair syndrome, exhibited abnormal development of catecholamine neurons, with increased TH-immunoreactive neurons and altered neurochemical profiles compared to controls.

This study found that zebrafish with a mutation in the GDP-fucose biosynthesis gene exhibited enhanced and faster regeneration of mechanosensory hair cells, implicating the importance of this gene and Notch signalling regulation in hair cell regeneration mechanisms.

This study found that the unique crest feather formation in Polish chickens is driven by a 195-bp duplication in the HoxC10 gene region, which alters gene expression by modifying the genomic structure, suggesting a mechanism for diverse integumentary appendages in birds.

New mutations in hair keratin genes cause the rare hair disorder monilethrix.

In this case report, researchers identified a novel homozygous missense mutation in the MBTPS2 gene associated with the mild form of IFAP syndrome in a 7-year-old boy.

This study demonstrated that the FER/MLO signaling module regulates calcium dynamics and ROS accumulation in root hair growth, with the constitutively active MLO (faNTA) able to restore normal development and signaling in specific mutant genotypes, highlighting MLO15's role in root hair tip growth regulation.

This study suggests that the ANE syndrome mutation in yeast Nop4, analogous to human RBM28, disrupts protein folding and protein-protein interactions, contributing to ribosomal dysfunction.

This study suggests that mouse lineage specification during pre-implantation development involves distinct timing and mechanisms for trophectoderm and inner cell mass differentiation, challenging existing models.

This study found that the HoxC gene cluster plays a critical role in the development of ectodermal organs, including hair and nails, with mammalian-specific enhancers increasing transcription levels during development.

This study identified a new Demodex species causing demodicosis in a zoo koala, successfully treated with daily oral ivermectin.

This study found that exposure to sex steroid biosynthesis inhibitors increases the expression of piRNA pathway genes in frog larvae, suggesting these genes play a role in gonadal sex differentiation.

This study observed that the catagen phase in hairless mice displayed a slower shortening of the mutant epithelial column, resulting in longer total follicle length and abnormalities in the connective tissue sheath and glassy membrane.

This study observed that developing mammary organs in Monodelphis domestica show mammary hairs in 12-week-old females, which disappear by 18 weeks, with findings suggesting shared characteristics between their nipples and eutherian nipples, supporting the evolutionary link between mammary glands and hair organs.

This study found that changes in the expression of the Agouti gene contribute to the pale pigmentation in beach mice, with implications for melanocyte development and localization.

This study revealed that basement membrane dynamics are crucial to hair follicle development, influencing progenitor cell behavior and cell division patterns in developing mouse hair follicles.

In this study, specific genetic polymorphisms in the KRT71 gene were associated with hairless and curly phenotypes in Sphynx and Devon Rex cats.

This study found that the fuzzy mutation in mice is linked to both structural hair defects and accelerated hair follicle cycling, influencing the regulation of hair cycle phases such as catagen and anagen.

In this study, researchers found that synchronization between expanding epithelial cells and background mesenchymal cells in the mouse hair cycle may be maintained by inhibitory regulation, with potential mediators of this regulation identified.

This study found that Sonic hedgehog signaling is crucial for Merkel cell development around hair follicles in mice, with Polycomb repressive complex 2 loss causing ectopic Merkel cells across all hair types.

This study identified multiple loss of function variants in the HR gene linked to the unique hair coat phenotype in lykoi cats, also known as werewolf cats.

This study used atomic force microscopy to image surface structures of human epidermal melanocytes, hair follicle amelanotic melanocytes, and mouse melanoma cells, revealing differences in branch structure and granule distribution.

This paper compiles previously observed similarities in biomagnetic fields emitted by human hair and mouse vibrissa follicles, with findings supporting distinctive patterns of biomagnetic activity skewed to one side.

In this study, researchers identified key miRNAs and target genes involved in hair follicle development in Merino sheep, providing insights that could aid in improving sheep breeding for wool quality.