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Research
5 / 1000+ resultsresearch Metabolic pathway of Cis-UCA upon Ultraviolet B (UVB) exposure using ¹H Nuclear Magnetic Resonance (NMR) spectroscopy, Molecular Docking and cell viability of human keratinocytes (HaCaT) cell lines
This study investigates the metabolic pathway of cis-urocanic acid (cis-UCA) upon UVB exposure, using NMR spectroscopy, molecular docking, and cell viability assays with human keratinocytes (HaCaT). The research reveals that cis-UCA can react with reactive sulphur species (RSS) donors without the involvement of the glutathione-S-transferase (GST) enzyme, leading to the formation of a new compound, 4-imidazoleacrylic acid-3-thiol. The study also finds that the formation of glutathione and cysteine conjugates can occur non-enzymatically, challenging the previously proposed GST-dependent pathway. Molecular docking shows that the glutathione conjugate has a higher binding affinity with GST than sulforaphane, suggesting a regulatory role. In vitro studies demonstrate that UVB exposure with cis-UCA reduces cell viability, but the presence of sulphide donors mitigates this toxicity, highlighting their protective role. This research provides new insights into cis-UCA metabolism and suggests an alternative RSS-driven pathway, impacting our understanding of UCA's role in UVB-induced skin reactions.
research Synthesis and 5α-Reductase Inhibitory Activity of C21 Steroids Having 1,4-diene or 4,6-diene 20-ones and 4-Azasteroid 20-Oximes
Three specific 4-azasteroid-2-oximes showed strong enzyme inhibition, but less than finasteride.
research The Antiandrogenic Action of 4–Androsten–3–one–17β– Carboxylic Acid and Its Methyl Ester on Hamster Flank Organ1
The chemicals 17βC and its methyl ester can block the effects of testosterone on hamster skin but not the effects of DHT.
research Involvement of 4‐hydroxy‐2‐nonenal in pollution‐induced skin damage
Pollution increases a compound in the skin that can lead to faster aging and more inflammation.
![[4-t-Butylphenyl]-N-(4-imidazol-1-yl phenyl)sulfonamide (ISCK03) Inhibits SCF/c-kit Signaling in 501mel Human Melanoma Cells and Abolishes Melanin Production in Mice and Brownish Guinea Pigs](/images/research/4eb017dc-711d-4926-bcd0-c3b8f48e3a99/small/19974.jpg)
research [4-t-Butylphenyl]-N-(4-imidazol-1-yl phenyl)sulfonamide (ISCK03) inhibits SCF/c-kit signaling in 501mel human melanoma cells and abolishes melanin production in mice and brownish guinea pigs
ISCK03 stops melanin production in human melanoma cells and lightens skin color in mice and guinea pigs.
Community Join
5 / 1000+ resultscommunity 4 months of oral 1mg fin daily and topical minox every other day.
community 4 and a half months - Progress
A 33-year-old is experiencing positive hair regrowth after 4.5 months using 0.5mg finasteride, topical minoxidil, ketoconazole shampoo, and a 0.5mm derma stamp. They had initial shedding but now see less hair loss, with no sexual side effects and improved libido.
community 4 months on oral fin and topical min
The user has been using oral finasteride and topical minoxidil for 4 months and is questioning if there's regrowth. Responses suggest that diffuse thinning takes longer to show results, but there is some progress noted.
community 4 months Fin+Min. Daily. Hairline looks promising
A 40-year-old user reports promising hairline improvement after 4 months of using 1mg finasteride daily and 5% minoxidil foam 2-2.5 times daily. The hairline vellus hair appears to be turning terminal.
community 4 months of very inconsistent use
The user experienced some hair regrowth after 4 months of inconsistent use of topical finasteride and minoxidil, with no noticeable side effects. Others suggest trying oral finasteride and minoxidil for better consistency.