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Gene expression in wool follicles changes with growth cycles, offering insights into wool and human hair growth.

This article provides guidelines for molecular genetic testing of congenital adrenal hyperplasia due to 21-hydroxylase deficiency, focusing on quality requirements, methodologies, and variant classification; it reports no new clinical results.

This study identified more than 100 genetic loci associated with hair color variation in Europeans, explaining a significant portion of the trait's heritability and advancing understanding of hair pigmentation.

This study describes the first case of female pseudohermaphroditism due to a novel homozygous glucocorticoid receptor gene mutation, indicating possible pre- and postnatal virilization in affected females.

Mice with extra sheep genes had hair that fell out and regrew in cycles.

This study reports that human hair follicle stem cells express different surface markers than mouse stem cells, facilitating their isolation and potentially aiding in the development of cell-based skin treatments.

This narrative review explores gender differences in the epidemiology, risk factors, and effects of COVID-19, emphasizing the need for further analysis using comprehensive gender indicators to shape effective public health strategies and policies.

In this study, a novel mutation in the glucocorticoid receptor gene was identified in a young woman, impairing glucocorticoid signaling and leading to generalized glucocorticoid resistance.

This review explores the current understanding of genetic and hormonal influences on male androgenetic alopecia and female pattern hair loss, providing guidance for clinicians but reports no new results.

Finasteride affects male rat genitalia development, causing abnormalities during specific pregnancy days.

This study applied semantic text-mining to identify phenotypes linked to over 6,000 diseases, demonstrating that these phenotypes can accurately identify known disease-associated genes, creating a human disease network based on phenotypic similarity.

This study reported successful repigmentation without scarring in patients with localized and segmental vitiligo after epidermal grafting, but the Koebner phenomenon hindered similar results in some with generalized vitiligo.

Among Japanese patients with generalized vitiligo, this study found a genetic susceptibility to autoimmune diseases, particularly autoimmune thyroid disease, within families.

This study found that the mK6alpha and mK6beta genes in mice are regulated differently at the mRNA level, with implications for understanding K6 gene evolution and function in mammals.

This study found that three genetic loci, including the newly identified JMJD1C, are associated with circulating testosterone and dihydrotestosterone levels, explaining a small portion of their variance in European men.

In this study, genetic variation in the CYP19A1 gene, particularly the common rs4646 C allele, was associated with an increased risk of female pattern hair loss, especially in women under 40.

This study identified changes in transcription factor gene expression across various signaling pathways during inner ear hair cell regeneration in birds, revealing patterns and potential new pathways for future investigation.

Repetin is a protein involved in skin and hair development, binding calcium and compensating for other proteins when needed.

This study observed specific expression patterns of three zebrafish estrogen receptor genes during development, highlighting robust co-expression of esr2a and esr2b in primary neuromasts, branchial arches, and other tissues.

The research identified six functional hair keratin genes and four pseudogenes, providing insights into hair formation and gene organization.

This research observed that sheep and rabbit KAP6 genes, expressed in hair follicle cells, have high sequence similarity and indicate conservation due to evolutionary selection pressures.

This study found that RSL4 in Arabidopsis thaliana regulates genes necessary for root hair elongation by controlling proteins involved in cell signaling, cell wall modification, and secretion.

This study found that mutations in the FGF5 gene are the primary genetic factor causing long hair in domestic cats through an autosomal recessive mechanism.

This review discusses the complexities and uncertainties in the pathways and mechanisms for disulfide bond formation in multicellular organisms and reports no new experimental findings.

Four genetic risk spots found for hair loss, with WNT signaling involved and a link to curly hair.

This study found that trichoscopy can diagnose genetic hair shaft abnormalities without plucking or cutting hair, by visualizing characteristic features in a single session.

This study discovered nine human type I hair keratin genes, including a transcribed pseudogene, in a 190 kbp genomic region, revealing three gene subclusters based on sequence homologies.

This study found that the differential expression of α- and β-keratin genes in feathers may explain their morphological and structural diversity, highlighting the chicken as a model for studying keratin-related diseases.

This study detailed the structure and amino acid composition of sheep trichohyalin, noting its presence in various tissues and suggesting a possible functional role beyond structural support in hair follicles.

This study found that a heterozygous missense mutation in ATR is associated with a hereditary cancer syndrome, manifested by oropharyngeal cancer and other anomalies, in an autosomal-dominant inheritance pattern across a five-generation family.