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Keratin structure changes during keratinization, but the exact model remains uncertain.

This study found that during hair follicle morphogenesis in embryos, the expression pattern of the Hoxc13 gene and skin thickness show similar trends, suggesting possible regulatory mechanisms within Hoxc13 intron regions.

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

In this study, researchers found that trichothiodystrophy hair brittleness is linked to abnormalities in sulfur content and structural organization, making it prone to breakage.

In this study, clinicians are advised to perform trichography regularly on Pomeranians with HCA, as significant hair abnormalities, especially TN, may affect hair quality; further research is needed to understand the underlying mechanisms and treatment options.

This study found that the K6/ODC transgenic mouse model is highly sensitive to identifying genotoxic carcinogens, showing 100% concordance with traditional rodent bioassays.

This study found that untargeted hair metabolomics analysis detected significantly altered endogenous biomolecules, potentially serving as biomarkers for identifying oxidative cosmetic hair treatments like bleaching.

This study found that induced COX-2 expression in adult transgenic mice led to hair follicle miniaturization and enlargement of sebaceous glands, and suggests that targeting the PGD2 pathway might reverse these effects.

This study found that the small molecule honokiol may protect against inflammation, collagen breakdown, and cell damage caused by cigarette smoke in skin cells cultured in vitro.

This study suggests that using combined oral contraceptives does not increase hair glucocorticoid levels, but hair treatments should be considered as a confounder in stress biomarker assessments.

This study found that calanthoside, a compound isolated from Calanthe species, promotes the proliferation of human hair follicle dermal papilla cells more effectively than minoxidil.

This meeting underscored that hair testing is a crucial and evolving area in forensic and toxicological science, emphasizing advancements in analytical methods and its importance in public health and legal medicine.

This study optimized the reaction conditions for the stereoselective hydrogenation of a compound used in manufacturing finasteride and dutasteride, improving the selectivity for the desired isomer.

This study found that purified humic acids from oxidized coal enhance plant growth by modulating oxidative stress and influencing photobiological processes, with improved root growth and enzyme activity linked to antioxidant and pro-oxidant properties.

This article suggests that testosterone therapy might be considered if other treatments fail, but emphasizes discussing potential risks and benefits with patients before prescribing.

This study reported that newly synthesized nonsteroidal compounds were effective at inhibiting prostatic 5 alpha reductase isozyme 2, especially the compound with an N, N-diisopropylcarbamoyl substituent, suggesting potential for treating benign prostatic hyperplasia.

In this study, the researchers found that micronizing hinokitiol using supercritical carbon dioxide impacted its particle size, with increased temperature enlarging particles and increased pressure reducing them.

This study found that a hair tonic formulated with 0.3% cocoa bean extract demonstrated the best physical stability and effectively promoted hair growth in mice, with results comparable to a positive control when used twice daily for two weeks.

This study found that certain molecular quantum descriptors can be directly correlated with the biological activity of benzo[c]quinolizin-3-ones, potentially aiding in the identification and design of active compounds.

In this study, DPHC from the brown alga Ishige okamurae demonstrated potential to prevent androgenic alopecia by inhibiting hair loss and promoting hair growth through multiple cellular mechanisms.

This abstract highlights that Theobroma cacao, commonly associated with chocolate, has potential benefits for hair health beyond its culinary appeal, though specific results are not reported.

This review presents analytical methods for estimating Thuja occidentalis in homeopathic mother tincture but reports no new clinical results, emphasizing its broad application in homeopathy.

In this study, oxidation hair dye formulations tested on mice showed no evidence of causing systemic toxicity or cancer over an 18-month period.

Scientists made glow-in-the-dark dots from human hair that can detect iron, prevent counterfeiting, and reveal fingerprints.

This study used advanced chromatographic and mass spectrometric techniques to develop a method for reliably detecting 17 hair growth compounds in consumer products, aiming to enhance regulatory compliance and ensure consumer safety against illicit compounds.

This study determined the crystal structure and conformation of synthesized 17x-Acetoxy-pregn-4,6-diene-3,20-dione, revealing specific molecular interactions and structural details in an orthorhombic crystal system.

This study identified trichohyalin as an early differentiation marker in hair follicles, with potential structural roles related to alpha-helical formations, based on the partial characterization of its cDNA in sheep.