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K39 and K40 are the last keratins expressed in hair development, completing the hair keratin catalog.

This review discusses the potential carcinogenic effects of anabolic androgenic steroids, particularly regarding Leydig cell tumors, and highlights the need for preventive information campaigns due to associated health risks.

This study found that a newly identified gene, mK17n, may explain the lack of nail issues in mK17 null mice by compensating for mK17's function in the nail bed.

This study identified a 195 bp duplication in crested chickens that causes large crest feathers and can be associated with cerebral hernia in some breeds, but not all.

In this study, KRTAP28-1 variants were associated with wool fibre diameter in sheep, suggesting potential as a gene marker for reducing fibre diameter.

This review discusses the roles of glucocorticoids and glucocorticoid receptors, and it explores potential genetic and non-genetic causes of glucocorticoid resistance or hypersensitivity syndromes, reporting no new clinical results.

This review summarizes the clinical features and molecular causes of Primary Generalized Glucocorticoid Resistance, highlighting new findings from the characterization of mutations in the NR3C1 gene, but reports no new experimental results.

This study examined noninvasive tissue samples, including buccal swabs, hair follicles, saliva, and urine cell pellets, and found hair follicles and urine cell pellets promising for transcriptomic and clinical analyses due to their sample quality and performance in disease-relevant applications.

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.

This review summarizes current research on molecular pathways, such as Wnt and Notch, that regulate feather follicle development in yellow-feathered broilers, highlighting their potential impact on poultry carcass quality and suggesting areas for future study.

This article discusses intra-host single-nucleotide variants in SARS-CoV-2, highlighting their potential to inform on virus strain diversity, immune escape, and drug design, but it reports no new clinical results.

This study explored the genetic basis of fiber diameter in alpacas, identifying candidate genomic regions including four significant areas on VPA6, VPA9, VPA29, and an unassigned scaffold, using whole genome association analysis and a custom SNP microarray.

This study found that DKK1-targeting siRNA, which may activate the Wnt/β-catenin signaling pathway, showed hair growth results in mice similar to those treated with the FDA-approved minoxidil, suggesting potential as an androgenetic alopecia therapy.

This study found that Magra sheep with high-luster wool exhibited significantly higher expression of keratin genes, suggesting that increased keratin protein levels may be crucial for wool luster.

This research reports that KCV and its palmitoylated derivatives show strong effectiveness in strengthening hair proteins, indicating their potential for use in advanced hair care products.

This study identified a missense variant in the EDA gene of a male cat, which likely caused hypohidrotic ectodermal dysplasia, characterized by hair and teeth abnormalities; this represents the first report of such a genetic condition in cats.

This study identified novel mitochondrial DNA variations in PCOS patients from Pakistan, which may serve as genetic predisposition markers, highlighting especially the potential pathogenicity of frameshift mutations in the MT-ND2 gene.

This study found that in Pomeranians with Alopecia X, key genes in the Wnt and Shh signaling pathways and stem cell markers are downregulated, which may explain the absence of anagen hair follicles.

This report describes two cases of glucocorticoid resistance syndrome highlighting genetic diversity; one patient improved with low-dose dexamethasone despite negative genetic testing, while the other is monitored with a novel NR3C1 variant.

Women with PCOS often experience depression and anxiety, affecting their quality of life.

This review discusses the potential of stem cell-derived extracellular vesicles for improving diabetic wound healing and highlights their mechanisms, limitations, and challenges, but provides no new clinical findings.

This narrative review concluded that facial aging involves complex anatomical changes that require multimodal rejuvenation approaches, integrating fillers, collagen stimulators, botulinum toxin, and energy-based devices for effective results, while emphasizing the need for scientific evidence and patient safety in aesthetic treatments.

This study reports that sebaceous glands can regenerate after injury through stem cell plasticity, with hair-follicle-derived stem cells replacing sebaceous gland progenitors and playing a crucial role in the regeneration process, which is dependent on FGFR2 signaling and aided by hair growth induction.

This review discusses the interplay between dermatology and psychology in psychodermatology, highlighting the impact of neuroendocrine stress pathways on skin diseases and the importance of considering skin of color.

This review discusses the developmental origins and diversity of dermal fibroblasts, focusing on their roles in epidermal and hair follicle growth, but reports no clinical results.

This study identified polymorphisms in HGT-KRTAP7-1 and KRTAP8-1 genes in Argentine llamas that may impact fiber characteristics by altering amino acid residues critical for keratin-associated protein properties.

This study found that low-passage exosomes from dermal papilla cells enhance hair follicle stem cell proliferation and that miR-218-5p may serve as a potential biomarker and therapeutic target for hair growth.

This study found that mutations in the TULP3 gene are associated with progressive degeneration of the liver, kidney, and heart in adults, highlighting the importance of early detection and management.

This review discusses advances in forensic DNA profiling, highlighting new genetic markers and methods for identifying unknown individuals, but reports no new research findings.

The document explains how to determine your tax bracket and the effects of income changes on taxes.