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27-Hydroxycholesterol (27-HC) is an endogenous oxysterol with multiple biological functions, including activity as a selective estrogen receptor modulator (SERM) (a mixed, tissue-specific agonist-antagonist of the estrogen receptor (ER)) and as an agonist of the liver X receptor (LXR). It is a metabolite of cholesterol that is produced by the enzyme CYP27A1.

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dbo:abstract
  • 27-Hydroxycholesterol (27-HC) is an endogenous oxysterol with multiple biological functions, including activity as a selective estrogen receptor modulator (SERM) (a mixed, tissue-specific agonist-antagonist of the estrogen receptor (ER)) and as an agonist of the liver X receptor (LXR). It is a metabolite of cholesterol that is produced by the enzyme CYP27A1. A link between high cholesterol and breast cancer has been identified, and it has been proposed that this is due to 27-HC production by CYP27A1. Because of its estrogenic action, 27-HC stimulates the growth of ER-positive breast cancer cells, and has been implicated in limiting the effectiveness of aromatase inhibitors in the treatment of breast cancer. As such, identified CYP27A1 inhibitors, including the marketed drugs anastrozole, fadrozole, bicalutamide, dexmedetomidine, ravuconazole, and posaconazole, have been proposed as potential adjuvant therapies in ER-positive breast cancer. (en)
  • Il 27-idrossicolesterolo (27-HC) è un ossisterolo endogeno dotato di molteplici funzioni biologiche, compresa l'attività di modulatore selettivo del recettore degli estrogeni (SERM), di agonista-antagonista misto tessuto-specifico del recettore degli estrogeni (ER) e di agonista del recettore X del fegato (LXR). È un metabolita del colesterolo prodotto dall'enzima CYP27A1. È stato identificato un legame tra il colesterolo alto e il cancro al seno, per cui è stato proposto che ciò sia dovuto alla produzione di 27-HC da parte del CYP27A1. A causa della sua azione estrogenica, il 27-HC stimola la crescita di cellule del cancro al seno ER-positive ed è stato inoltre implicato nel limitare l'efficacia degli inibitori dell'aromatasi nel trattamento del cancro al seno. Pertanto, gli inibitori identificati del CYP27A1, inclusi i farmaci commercializzati, come l'anastrozolo, il fadrozolo, il bicalutamide, la dexmedetomidina, il ravuconazolo e il posaconazolo, sono stati proposti come potenziali terapie coadiuvanti nel trattamento del carcinoma mammario ER-positivo. (it)
  • 27-ヒドロキシコレステロール (27-Hydroxycholesterol) は、コレステロールの代謝物質。 (ja)
  • 27-羟基胆固醇(英語:27-Hydroxycholesterol,缩写27-HC)是一种内源性的氧化胆固醇,有着多重生物学功能,包括選擇性雌激素受體調節物(SERM)活性,肝X受体(LXR)激动剂等,由细胞色素P450氧化酶CYP27A1催化胆固醇生成。 (zh)
dbo:iupacName
  • Cholest-5-ene-3β,27-diol (en)
  • (1R,3aS,3bS,7S,9aR,9bS,11aR)-1-[(2R,6R)-7-Hydroxy-6-methylheptan-2-yl]-9a,11a-dimethyl-2,3,3a,3b,4,6,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-cyclopenta[a]phenanthren-7-ol (en)
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  • Cholest-5-ene-3β,27-diol (en)
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  • 27-ヒドロキシコレステロール (27-Hydroxycholesterol) は、コレステロールの代謝物質。 (ja)
  • 27-羟基胆固醇(英語:27-Hydroxycholesterol,缩写27-HC)是一种内源性的氧化胆固醇,有着多重生物学功能,包括選擇性雌激素受體調節物(SERM)活性,肝X受体(LXR)激动剂等,由细胞色素P450氧化酶CYP27A1催化胆固醇生成。 (zh)
  • 27-Hydroxycholesterol (27-HC) is an endogenous oxysterol with multiple biological functions, including activity as a selective estrogen receptor modulator (SERM) (a mixed, tissue-specific agonist-antagonist of the estrogen receptor (ER)) and as an agonist of the liver X receptor (LXR). It is a metabolite of cholesterol that is produced by the enzyme CYP27A1. (en)
  • Il 27-idrossicolesterolo (27-HC) è un ossisterolo endogeno dotato di molteplici funzioni biologiche, compresa l'attività di modulatore selettivo del recettore degli estrogeni (SERM), di agonista-antagonista misto tessuto-specifico del recettore degli estrogeni (ER) e di agonista del recettore X del fegato (LXR). È un metabolita del colesterolo prodotto dall'enzima CYP27A1. (it)
rdfs:label
  • 27-Hydroxycholesterol (en)
  • 27-Idrossicolesterolo (it)
  • 27-ヒドロキシコレステロール (ja)
  • 27-羟基胆固醇 (zh)
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