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This study found that metabolite levels in hair samples differ significantly by hair color and segment, leading to recommendations for best practices in hair metabolomic studies.

This study found that bleached hair showed optimal protein structural integrity and tensile strength at pH 5, with significant changes in cross-linking, water content, and diameter at more alkaline or acidic levels.

This study suggests that inhibitors of steroidogenic enzymes may have therapeutic potential for certain behavioral disorders linked to dopaminergic hyperfunction, despite concerns about their endocrine impacts.

In this study, BPA rapidly increased dendritic spine and synapse densities in cultured rat hippocampal neurons, with involvement of estrogen receptors and ERK1/2 and p38 pathways, but disrupted dihydrotestosterone's effects on synaptic plasticity.

This review discusses indole-based bifunctional aldose reductase inhibitors and antioxidants for diabetic complications and chronic inflammation-related pathologies, but reports no new clinical results.

This study found that stress hormones, particularly CRF, can inhibit hair growth and induce hair loss by affecting human dermal papilla cells and hair follicles, suggesting a functional HPA axis in these cells.

This article describes the efficient synthesis of (S)-N-(2-bromo-6-methoxypyridin-4-yl)-2-hydroxy-2,4-dimethylpentanamide, a novel topical antiandrogen, with high purity and enantiomeric excess but reports no pharmacological results.

This laboratory study found that nonanal, a plant scent compound, may stimulate growth factors and cell proliferation in human hair follicle dermal papilla cells, suggesting a cAMP-mediated mechanism.

In this study, complexation with cyclodextrins was reported to increase the solubility of FIN for potential use in aqueous formulations for treating male androgenic alopecia.

Among cultured sebocytes, this study found that bilobetin significantly inhibited lipid production induced by IGF-1, suggesting potential for use in acne treatment.

Skin health and diseases are closely linked to metabolic processes.

This article discusses melanocyte development from neural crest cells and reports no new experimental results; the authors suggest a broader range of functions for melanocytes than previously recognized.

This study found that the uptake of molecules by hair is influenced by both hydrophobic and ionic charge interactions, with binding affinity decreasing as pH approaches the solute's dissociation constant.

This article discusses fluconazole's pharmacological and physicochemical properties and methods for its analysis, but reports no new clinical results.

This study observed that ethyl glucuronide (EtG) concentrations in hair decreased significantly during an abstinent period, suggesting possible wash-out effects or other factors affecting EtG levels.

In this study, whole-genome sequencing of Lanping black-boned sheep identified ERBB4 and ROR1 genes as potentially important in their distinctive hyperpigmentation, enhancing understanding of their genetic evolution from Lanping normal sheep.

This study reports two cases of fatal metformin intoxication with hair concentrations significantly higher than those in subjects under treatment, marking the first use of hair analysis for such cases.

This study identified key lipid differences between black and white hair in individuals with premature greying, highlighting vitamin D3 as a potential target for further research in understanding this condition.

This study found that optimizing chitosan-tripolyphosphate nanoparticles can enhance the sustained percutaneous delivery of caffeine, with certain conditions affecting stability and release rates.

This study found that NIH hairless mice exhibit abnormalities in hair growth and immune-related pathways, with Pik3r1 and Pik3r3 identified as key genes for further investigation.

This study found that treating a 3D hair dermal papilla model with rice bran extract and electromagnetic fields increased melanogenesis, suggesting potential for vitiligo and white hair therapies.

This study describes an analytical technique combining field-enhanced sample stacking with dispersive liquid-liquid microextraction, offering improved sensitivity for detecting finasteride and its metabolite in urine samples from patients treated for androgenetic alopecia.

SA linked to mitochondrial issues and oxidative stress, while AGA involves disrupted hair growth genes.

This study found that Si Jun Zi Tang may have anti-aging effects in mice, linked to inhibition of the PI3K-AKT and P38 MAPK signaling pathways.

This review discusses the impact of sarcoptic mange on wombats and evaluates antiparasitic drugs like ivermectin, moxidectin, and fluralaner for treating the disease, but it presents no new clinical results.

Using a combination of specific cell cycle regulators is better for safely keeping hair root cells alive indefinitely compared to cancer-related methods.

This study found that in a mouse model of Leigh syndrome, rapamycin alters brain proteome and may extend survival by targeting protein kinase C.

This study found that restoring hypothalamic NPY levels in mice delayed aging-related characteristics such as fat loss, hair loss, and memory decline, suggesting that maintaining these levels could be important for counteracting aging and its effects.

This study found that NKIRAS2 expression affects skin tumor suppression and HRAS-driven transformation in mice, indicating its role in carcinogenesis depends on expression level and cellular context.

This review discusses molecular signaling pathways and nutritional factors influencing feather growth and regeneration in poultry and offers no new results; the authors suggest these insights may guide strategies for producing superior plumage.