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This study found that the curl in hair is due to the arrangement of different cell types, with shorter paracortical cells inside the curve and longer orthocortical cells outside.

This study reports that a 190,000 molecular weight protein, identified as trichohyalin, may play a matrix role in the development of inner root sheaths in hair follicles.

This study found that conserved DNA motifs and expression patterns in keratin genes suggest functional regulatory similarities in hair follicle differentiation across different mammalian species.

This study characterizes a type II keratin intermediate filament gene family involved in early sheep follicle differentiation, detailing gene expression patterns and sequences in hair cortical cells.

Hair differentiation starts earlier than thought, involving multiple type-II keratins.

This study observed that human hair macrofibrils predominantly exhibit a double-twist architecture with varying inter-macrofibril angles, advancing insights into their structural organization and mechanical implications.

In this study, researchers identified a putative ovine KAP24-1 gene in sheep, revealing four unique DNA sequences with some similarity to KRTAP24-1 sequences from other species.

This review examines over 271 candidate genes associated with economic traits in goats, highlighting their potential use in genetic markers and future breeding programs, and reports no new experimental results.

This study found that spermidine, a polyamine, plays an essential role in hair growth in sheep follicles, while spermine is not required for normal follicle function.

This study found that a combination of insulin-like growth factor-1 and epidermal growth factor significantly promoted hair follicle growth and development in both cultured hair follicles and rabbits.

In this study, researchers found that the evolutionary and structural features of the oFGF5 gene in sheep may influence hair follicle development and hair growth regulation.

This article reviews the role of sulfhydryl compounds, particularly cystine, in sulfur metabolism and the physiology of skin in both normal and pathological conditions, reporting no new findings.

This editorial discusses the biology and pathology of hair follicles, including factors like fungi and hair loss therapies, but provides no new research findings.

Improving knowledge and practices in animal fibre production is crucial to meet market demands and potentially revive natural fibres.

In this study of sheep across various breeds and ages, researchers found that Trichophyton mentagrophytes caused severe dermatophytosis, especially affecting young Shahbadi sheep during winter, leading to notable anemia and skin lesions.

This study identified a new genetic variant in the KRT71 gene responsible for a breed-specific form of hypotrichosis in Hereford cattle, potentially serving as a model for similar human conditions.

This study found no significant difference in CUX1 core promoter methylation levels between different lambskin patterns in Hu sheep, suggesting other mechanisms influence CUX1 expression related to hair follicle development.

This article reviews the historical discovery and validation of isocholesterol, confirming its identity as a distinct sterol but reports no new research findings.

This review summarizes how single-cell omics technologies have advanced understanding of cellular regulatory programs in sheep and goats, but highlights limitations in genomic annotation and integration with population genetics for molecular breeding.

This case report highlights a 42-year-old woman with systemic lupus erythematosus who exhibited fundus changes indicating retinal vasculitis, underlining the importance of regular ocular fundus examinations for early detection of severe disease complications.

This study found that Pomeranians with Alopecia X had fewer follicles per group, more fragile hair, and distinct hair cycle stages compared to non-alopecic Pomeranians, highlighting coat-type differences significant for diagnosing the condition.

This study developed a rapid method to extract proteins from human hair, revealing phosphorylation on serine and threonine residues in alpha-keratins and matrix proteins.

This review discusses the effects of IGF-1 on hair follicle cell proliferation and differentiation, highlighting its roles in paracrine signaling, apoptosis prevention, and hair growth, but reports no new clinical results.

This study reports that expressed mouse type Ia and type IIa trichocyte keratins were successfully assembled into intermediate filaments in vitro, while also suggesting that disulfide bond cross linking enhances their stability.

This study concluded that the curliness of human hair, regardless of ethnicity, originates from the inhomogeneous internal nanostructure due to differences in the distribution of two types of cortices.

This study found that in naturally curved human scalp hairs, distinct arrangements of cell types on either side of the hair fiber contribute to its curvature.

This study found that K15 is variably expressed in sheep and mouse hair follicles, with specific patterns suggesting a role in the early stages of keratinocyte differentiation.

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 suggests that acquired progressive kinking of hair, which typically appears at or after puberty, may be androgen dependent and could progress to male pattern baldness.

This article reviews the role of polyamines in hair follicle growth and discusses potential therapeutic applications but provides no new clinical results.