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CTFA NAME 4-N-butylresorcinol
INCI NAME no
CAS N° 19879-61-8
FORMULA EMPIRICA C10 H14 O2
NOME COMMERCIALE Rucinol
PRODUTTORE Kuraray Co. LTD -Japan-
Vi aggiungo un piccolo sunto purtroppo in lingua inglese e dato il poco tempo non mi andava di tradurlo chiedo venia, in ogni caso se volete approfondire la ricerca e metto anche I riferimenti bibliografici per recuperare i testi non come fa qualcuno………………….. (scherzo)
Titre du document / Document title
Inhibitory effects of 4-n-butylresorcinol on tyrosinase activity and melanin synthesis
Auteur(s) / Author(s)
KIM Dong-Seok ; KIM So-Young ; PARK Seo-Hyoung ; CHOI Yeong-Gon ; KWON Sun-Bang ; KIM Myo-Kyoung ; NA Jung-Im ; YOUN Sang-Woong ; PARK Kyoung-Chan ;
Résumé / Abstract
In this study, we investigated the effects of 4-n-butylresorcinol on melanogenesis in a spontaneously immortalized mouse melanocyte cell line, Mel-Ab. Our results show that 4-n-butylresorcinol significantly inhibits melanin synthesis in a concentration-dependent manner. In addition, it was also found to inhibit the activity of tyrosinase, the rate-limiting melanogenic enzyme. Several reports have indicated that the activation of extracellular signal-regulated kinase (ERK) or of Akt reduces melanin synthesis via microphthalmia-associated transcription factor (MITF) down-regulation. Accordingly, we examined the effects of 4-n-butylresorcinol on the ERK and Akt signaling pathways. 4-n-Butylresorcinol did not induce ERK, Akt activation, or MITF degradation, and had no effect on cAMP response element binding protein (CREB) phosphorylation, which stimulates MITF expression. In contrast, 4-n-butylresorcinol strongly reduced tyrosinase activity in a cell-free system. Moreover, 4-n-butylresorcinol showed an additive effect in combination with hinokitiol, which reduces MITF expression. These results show that the hypopigmentary effect of 4-n-butylresorcinol results from its direct inhibition of tyrosinase.
Revue / Journal Title
Biological & pharmaceutical bulletin (Biol. pharm. bull.) ISSN 0918-6158 Biological and pharmaceutical bulletin
Source / Source
2005, vol. 28, no12, pp. 2216-2219 [4 page(s) (article)]
Langue / Language
Anglais
Editeur / Publisher
Maruzen, Tokyo, JAPON (1993) (Revue)
Localisation / Location
INIST-CNRS, Cote INIST : 18096, 35400013288197.0080
A se non basta vi posto anche un link cosi Laura puo studiare un poco, a proposito complimenti stai diventando sempre più brava, io propongo alla grande capa Lola il passaggio di livello.
http://www.ncbi.nlm.nih.gov/entrez/quer ... t=Abstract
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