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Journal Abstract Search

201 related items for PubMed ID: 10549872

  • 1. 19-oxygenated derivatives of androst-4-ene-6,17-dione and androst-5-ene-4,17-dione as catalytic probes for the active site of aromatase.
    Numazawa M, Yamada K, Kidokoro K.
    Biol Pharm Bull; 1999 Oct; 22(10):1134-6. PubMed ID: 10549872
    [Abstract] [Full Text] [Related]

  • 2. Mechanism for aromatase inactivation by a suicide substrate, androst-4-ene-3,6,17-trione. The 4 beta, 5 beta-epoxy-19-oxo derivative as a reactive electrophile irreversibly binding to the active site.
    Numazawa M, Mutsumi A, Tachibana M.
    Biochem Pharmacol; 1996 Oct 25; 52(8):1253-9. PubMed ID: 8937433
    [Abstract] [Full Text] [Related]

  • 3. Studies directed toward a mechanistic evaluation of aromatase inhibition by androst-5-ene-7,17-dione. Time-dependent inactivation by the 19-nor and 5 beta, 6 beta-epoxy derivatives.
    Numazawa M, Tachibana M.
    Steroids; 1997 Jul 25; 62(7):516-22. PubMed ID: 9253790
    [Abstract] [Full Text] [Related]

  • 4. Kinetic analysis of reversible inhibition of 16alpha-hydroxyandrostenedione aromatization in human placental microsomes by suicide substrates of androstenedione aromatization.
    Numazawa M, Mutsumi A, Tachibana M, Yoshimura A.
    Biol Pharm Bull; 2003 Jun 25; 26(6):890-2. PubMed ID: 12808307
    [Abstract] [Full Text] [Related]

  • 5. 4-Oxygenated androst-5-en-17-ones and their 7-oxo derivatives as aromatase inhibitors.
    Numazawa M, Tachibana M, Tateda Y.
    J Steroid Biochem Mol Biol; 1996 Jul 25; 58(4):431-8. PubMed ID: 8903428
    [Abstract] [Full Text] [Related]

  • 6. Probing the binding pocket of the active site of aromatase with 6-ether or 6-ester substituted androst-4-ene-3,17-diones and their diene and triene analogs.
    Numazawa M, Shelangouski M, Nagasaka M.
    Steroids; 2000 Dec 25; 65(12):871-82. PubMed ID: 11077085
    [Abstract] [Full Text] [Related]

  • 7. Androst-5-ene-7,17-dione: a novel class of suicide substrate of aromatase.
    Numazawa M, Mutsumi A, Hoshi K, Tanaka Y.
    Biochem Biophys Res Commun; 1992 Jul 15; 186(1):32-9. PubMed ID: 1632774
    [Abstract] [Full Text] [Related]

  • 8. Competitive inhibition and suicide inactivation of human placental aromatase by androst-4-ene-3,6-dione derivatives and 3 alpha-methoxyandrost-4-ene-6,17-dione.
    Numazawa M, Mutsumi A, Kigawa H.
    Chem Pharm Bull (Tokyo); 1990 Nov 15; 38(11):3076-80. PubMed ID: 2085891
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  • 10. 19-oxygenations of 3-deoxy androgens, potent competitive inhibitors of estrogen biosynthesis, with human placental aromatase.
    Numazawa M, Nagaoka M, Morio M, Kamiyama T.
    J Steroid Biochem Mol Biol; 1999 Dec 31; 71(5-6):173-9. PubMed ID: 10704906
    [Abstract] [Full Text] [Related]

  • 11. Probing the active site of aromatase with 2-methyl-substituted androstenedione analogs.
    Numazawa M, Watari Y, Yamada K, Umemura N, Handa W.
    Steroids; 2003 Aug 31; 68(6):503-13. PubMed ID: 12906935
    [Abstract] [Full Text] [Related]

  • 12. Time-dependent aromatase inactivation by 4 beta,5 beta-epoxides of the natural substrate androstenedione and its 19-oxygenated analogs.
    Numazawa M, Yoshimura A, Tachibana M, Shelangouski M, Ishikawa M.
    Steroids; 2002 Mar 31; 67(3-4):185-93. PubMed ID: 11856542
    [Abstract] [Full Text] [Related]

  • 13. Enzymic aromatization of 6-alkyl-substituted androgens, potent competitive and mechanism-based inhibitors of aromatase.
    Numazawa M, Yoshimura A, Oshibe M.
    Biochem J; 1998 Jan 01; 329 ( Pt 1)(Pt 1):151-6. PubMed ID: 9405288
    [Abstract] [Full Text] [Related]

  • 14. 6-Phenylaliphatic-substituted androst-4-ene-3,17-diones as aromatase inhibitors: structure-activity relationships.
    Numazawa M, Yamaguchi S.
    J Steroid Biochem Mol Biol; 1998 Oct 01; 67(1):41-8. PubMed ID: 9780028
    [Abstract] [Full Text] [Related]

  • 15. Further studies on 6-alkylandrost-4-ene-3,17-diones as aromatase inhibitors: elongation of the 6-alkyl chain.
    Numazawa M, Oshibe M.
    Steroids; 1995 Aug 01; 60(8):506-11. PubMed ID: 8539792
    [Abstract] [Full Text] [Related]

  • 16. Structure-activity relationships of 2alpha-substituted androstenedione analogs as aromatase inhibitors and their aromatization reactions.
    Numazawa M, Handa W, Hasegawa C, Takahashi M.
    J Steroid Biochem Mol Biol; 2005 Dec 01; 97(4):353-9. PubMed ID: 16209922
    [Abstract] [Full Text] [Related]

  • 17. 19-Oxygenation of C19-steroids with an A, B-ring enone structure, competitive inhibitors of estrogen biosynthesis, with human placental aromatase.
    Numazawa M, Yamada K, Nagaoka M.
    Biol Pharm Bull; 2001 Apr 01; 24(4):332-5. PubMed ID: 11305590
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  • 19. [Development of aromatase inhibitors and analysis of their inhibitory activities].
    Numazawa M.
    Yakugaku Zasshi; 1998 Dec 01; 118(12):539-53. PubMed ID: 9921263
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