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In this proteomic analysis, the researchers found that transitioning from crimped to straight wool in Tan sheep is linked to significant changes in wool protein expression, revealing distinct patterns of keratins and keratin-associated proteins that could influence wool quality and economic value.

This article discusses the biology of cosmetic aging and the chemical pathways involved, emphasizing research advancements that aid clinicians in rejuvenating skin and increasing scalp hair density, but it provides no new results.

In this study, researchers explored how hair follicle orientation is affected in the rosette fancy mouse and found that a mutation in the PCP gene Fzd6 caused reversed hair orientations in the posterior region, leading to the formation of unique whorls.

This study reports a case of cystic panfolliculoma, highlighting the role of epithelial-mesenchymal interactions in its pathogenesis and explaining its histological resemblance to trichofolliculoma.

In this case report, the authors describe a rare cystic panfolliculoma in an 84-year-old man's right conchal bowl, noting its potential to mimic other tumors like basal cell carcinoma, which complicates diagnosis.

This study found that a topical hair ampoule containing human follicle stem cells significantly improved hair growth and scalp coverage in women with androgenetic alopecia after four months of use.

The cuneate nucleus has two main neuron types: relay neurons and interneurons.

This study found that a highly resistant structure, located at the interface between the cuticle and cortex of human hair, acts as a penetration barrier, which the authors propose to name the "cuticle anchored resistant base" or CARB.

This study proposed the existence of a membrane-like structure between the cuticle and cortex in human hair, which may provide strong protection against external stimuli.

This study of pilomatrixoma cases in children reveals that these benign tumors typically present as painless masses under the eyebrow and can be effectively treated with surgical excision, though rare rapid growth may occur.

This study suggests that degraded human hair shafts are highly resistant to contamination by exogenous DNA, making them a valuable source for forensic and ancient DNA analysis.

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 the HS III element in the K14 gene's regulatory sequence promotes gene expression in inner root sheath keratinocytes, highlighting cooperative interactions in keratinocyte-specific gene regulation.

This study isolated and sequenced the complete gene rKAP4L1, which encodes a cysteine-rich hair keratin-associated protein in rabbit hair follicles.

This study found that emodin from Polygonum multiflorum showed 5alpha-reductase inhibitory activity, which was more potent than alizarin but less potent than riboflavin.

Lustre mutant sheep have normal hair structure and proteins but differ in felting properties.

Keratin fibers in hair twist left-handed.

This study found that straight crimp mutant wool differs from crimpy wool in the layout of cortical cells and the relative proportions of keratin and keratin-associated proteins.

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 developed a straightforward HPTLC method for detecting nicotine and cotinine in human plasma and urine, concluding that liquid-liquid extraction with methanol: chloroform: ammonia achieved optimal separation and is applicable for forensic analysis of lethal nicotine intoxication.

In this study, researchers identified six unique genetic variants of a sheep gene, KRTAP19-3, with specific variants linked to changes in wool fibre traits, such as increased fibre diameter variability, suggesting these genetic differences affect wool characteristics in Chinese Tan sheep.

In this study, the synthesis and testing of new pyrroloquinoline derivatives identified compound 7p, which showed low micromolar cytotoxic activity against MCF-7 and HeLa cells, highlighting its potential for development into a potent anticancer agent.

This study on Sdr16c5/Sdr16c6-null mice found that inactivating these genes significantly increased Meibomian gland secretions and altered lipid profiles but had a subtle impact on sebogenesis, suggesting the genes control a bifurcation point in meibogenesis pathways.

This study found that dermal condensates are specified before hair follicle niche formation and require FGF20 and Wnt signaling for precursor specification, advancing understanding of niche formation and function during development.

This study introduces PROMETHEUS, a framework that organizes causal claims from scientific texts into navigable and persistent "causal atlases," enhancing research by highlighting localized evidence, agreement, and contradictions within complex data sets.

This case report identifies a new type of hair matrix tumor called "rippled pattern trichomatricoma," distinguished by its unique cell arrangement and differentiation features.