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Search and development for new compounds to overcome drug resistance from natural sources

Research Project

Project/Area Number 07307022
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Chemical pharmacy
Research InstitutionHOKKAIDO UNIVERSITY

Principal Investigator

KOBAYASHI Jun'ichi  Hokkaido Univ., Fac.Pharmaceutical Sciences, Professor, 薬学部, 教授 (90221241)

Co-Investigator(Kenkyū-buntansha) YAMAMURA Shosuke  Keio Univ., Fac.Science and Technology, Prof., 理工学部, 教授 (40076708)
FUJI Kaoru  Kyoto Univ., Institute of Chemical Research, Professor, 化学研究所, 教授 (20027056)
TSURUO Takashi  The Univ.of Tokyo, Institute of Molecular and Cellular Biosciences, Professor, 分子細胞生物学研究所, 教授 (00012667)
IWASAKI Shigeo  The Kitasato Institute, Head director, 生物機能研究所, 部長 (00013326)
ITOKAWA Hideji  Tokyo Univ.Pharmaceutical and Life Science, Professor, 薬学部, 教授 (60057304)
Project Period (FY) 1995 – 1997
Project Status Completed (Fiscal Year 1997)
Budget Amount *help
¥22,600,000 (Direct Cost: ¥22,600,000)
Fiscal Year 1997: ¥6,100,000 (Direct Cost: ¥6,100,000)
Fiscal Year 1996: ¥8,000,000 (Direct Cost: ¥8,000,000)
Fiscal Year 1995: ¥8,500,000 (Direct Cost: ¥8,500,000)
Keywordsnatural products / multidrug-resistance / P-glycoprotein / antitumor / tubulin / mechanism of MDR / MDR modifier / MRSA
Research Abstract

In this research project, we have investigated on search and development for new compounds to overcome drug resisiance from natural sources.
1) From the Japanese yew Taxus cuspidata and the Chinese yew Taxus chinensis, new taxoids and related diterpenoids were isolated and the structures elucidated on the basis of spectroscopic data and chemical means. Some taxoids increased accumulation. of vincristine in multidrug-resistant cells and inhibited binding of azidopine to P-glycoprotein. Taxuspine C enhanced the chemotherapeufic effect of anticancer agent in vivo.2) A structure-activity relationship study RA-related cyclic peptides revealed that RA-VII showed the most potent antitumor activity. RA-VII is under a clinical phase I trial.3) Total synthesis of curacin A,a novel antimitotic agent isolated from a Caribbean cyanobacterium, and studies on the structure-activity relationships of ustiloxin D,antimitotic-cyclic peptidc produced by the rice plant pathogen, were carried out.4) Some new bioactive compounds which reversed multidrug resistance were isolated from actinomycetes and plants.5) MS-209 is a novel quinoline compound which can overcome multidrug resistance both in vitro and in vivo and is being evaluated in a clinical phase II study. We found that MDR reversal activity of PSC833, an analogue of cyclosporin A,was potentiated by MRK-16.6) Ribosylation by mycobacterial strains as a new mechanism of rifampin inactivation was found and these inactivated metabolites were isolated and the structures were determined.7) Seco-aglucovancomycins were synthesized by means of TTN oxidation as a key step. We found that interaction between bacterial cell wall model and these seco-aglucovancomycins consisted of hydrogen bondings and molecular shape fittings. Total synthesis of hapalosin, a cyclic peptide possessing multidrug resistance reversing activities was accomplished.

Report

(4 results)
  • 1997 Annual Research Report   Final Research Report Summary
  • 1996 Annual Research Report
  • 1995 Annual Research Report
  • Research Products

    (144 results)

All Other

All Publications (144 results)

  • [Publications] X.-X.Wang: "Taxezopidine A,a novel taxoid from seeds of Japanese yew Taxus cuspidata" Tetrahedron Lett.38. 7587-7588 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] H.Shigemori: "Taxuspines X-Z,new taxoids from Japanese yew Taxus cuspidata" Chem. Pharm. Bull.45. 1205-1208 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] H.Morita: "Cyclic peptides from higher plants.39.Dichotomins F and C,cyclic peptides from Stellaria dichotoma var,lanceolata" J.Nat.Prod.60. 404-407 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] H.Morita: "Conformation of cyclic heptapeptides:Conformational analysis of segments D and E by distance geometry calculations" Chem.Pharm.Bull.45. 883-887 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Morita: "Interaction of arenastatin A with porcine brain tubulin" Biol.Pharm.Bull.20. 171-174 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] A.Nishikawa: "Design and synthesis of the side chain modified analogs of curacin A" Bioorg.Med.Chem.Lett.7. 2657-2660 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] M.-C.Rho: "Enhancement of drug accumulation by andrastin A produced by Penecillium sp" J.Antibiot.50. 149-153 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] T.Watanabe: "Regression of established tumors expressing P-glycoprotein by combinations of adriamycin,cyclosporin derivatives,and MRK-16 antibodies" J.Natl.Cancer Inst.89. 512-518 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] O.Nakanishi: "Potentiation of the antitumor activity by a novel quinoline compound,MS-209,in multidrug-resistant solid tumor cell lines" Oncology Res.9. 61-69 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Tanaka: "Formation of non-racemic E-and Z-olefins based on discrimination of enantiotopic carbonyl groups in α-diketones by a chiral phosphonate reagent" Tetrahedron Lett.38. 8943-8946 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Tanaka: "Use of 8,8'-dihydroxy-1,1'-binaphthalene as a chiral auxiliary for asymmetric Diels-Alder cycloadditions" Tetrahedron: Asymmetry. 8. 3637-3645 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Y.Tanaka: "Nocardicyclins A and B:new anthracycline antibiotics produced by Nocardia brasiliensis" J.Antibiot.50. 822-827 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Y.Tanaka: "Brasilinolide A,a new macrolide antibiotic produced by Nocardia brasiliensis: Producing strains,isolation and biological activity" J.Antibiot.50. 1036-1041 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] S.Yamamura: "Biomimetic syntheses of isodityrosine natural products,and an approach to chemistry and molocular recognition of secoaglucovancomycin and related oligopeptides" J.Synth.Org.Chem.55. 1029-1039 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Tanaka: "Structures of taxchinins L and M, two new diterpenoids from Taxus chinensis var. mairei" Chem.Pharm.Bull.49. 1770-1774 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Tanaka: "Asymmetric synthesis of uncommon α-amino acids by diastereoselective alkylation of a chiral glycine equivalent" Tetrahedron: Asymmetry. 7. 1771-1782 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Y.Tanaka: "Different rifampicin inactivation mechanisms in Nocardia and related taxa" Microbiol.Immunol.40. 1-4 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] T.Okuno: "Chemical study on hapalosin,a cyclic depsipeptide possessing multidrug resistance reversing activities:synthesis,structure and biological activity" Tetrahedron. 52. 14723-14734 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] T.Onoda: "Synthetic study on curacin A: a novel antimitotic agent from cyanobacterium Lyngbya majuscula" Tetrahedron. 52. 14543-14562 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] H.Morita: "Cyclic peptides from higher plants.XXVIII.Antitumour activity and hepatic microsomal biotransformation of cyclic pentapeptides,astins from Aster tataricus" Chem.Pharm.Bull.44. 1026-1032 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Y.Hitotsuyanagi: "Design and synthesis of an antitumor cyclic hexapeptide Rubia akane analogue possessing an unnatural amide configuration" J.Chem.Soc.,Chem.Commun.504-506 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] H.Hosoyama: "Taxuspines U,V,and W,new taxane and related diterpenoids from the Japanese yew Taxus cuspidata" Tetrahedron. 52. 2337-2342 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] X.-x.Wang: "Taxuspines Q,R,S,and T,new taxoids from the Japanese yew Taxus cuspidata" Tetrahedron. 52. 12159-12164 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] J.Kobayashi: "Effects of taxoids from Taxus cuspidata on microtubule depolymerization and vincristine accumulation in MDR cells" Bioorg.Med.Chem.Lett.7. 393-398 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Nakamura: "Interaction between cell wall model of vancomycin resistant strain and aglucovancomycin synthetic analogs" Tetrahedron Lett.37. 191-192 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] M.Naito: "Potentiation of the reversal activity of SDZ PSC833 on multi-drug resisfance by ananti-P-glycoprotein monoclonal antibody MRK-16" Int.J.Cancer. 67. 435-440 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Mikami: "DT-diaphoras as a critical determinant of sensitivity to mitomycin C in human colon and gastric carcinoma cell lines" Cancer Res.56. 2823-2326 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] T.Watanabe: "Modulation of multidrug resistance by SDZ PSC 833 in leukemic and solid-tumor-bearing mouse models" Jpn.J.Cancer Res.87. 184-193 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] M.Hayashi: "Chlovalicin,a new cytocidal antibiotic produced by Sporothrix sp.FO-4649.I.Taxonomy,fermentation,isolation and biological activities" J.Antibiot.49. 631-634 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Y.Koiso: "Effect of arenastatin A and its synthetic analogs on microtubule assembly" Chem.-Biol.Interactions. 102. 183-191 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] E.R.Dabbs: "Ribosylation by mycobacterial strains as a new mechanism of rifampicin inactivation" Antimicrob. Agents Chemother.39. 1007-1009 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] E.R.Dabbs: "Rifampicin inactivation by Bacillus species" J.Antibiot. 48. 815-819 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Nakamura: "Synthetic studies on vancomycin: Synthesis of seco-aglucovancomycins" Tetrahedron Lett.36. 8621-8624 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Nakamura: "Conformational analysis of aglucovancomycin analogs" Tetrahedron Lett.36. 8625-8628 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Nakamura: "Interaction between bacterial cell wall model and aglucovancomycin or its syntheticanalogs" Tetrahedron Lett.36. 8629-8632 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] S.Takamatsu: "Lousianins A,B,C,and D:non-steroidal growth inhibitors of testosterone-responsive SC 115 cells" J.Antibiotic.48. 1090-1094 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] W.Sato: "Reversal of multidrug resistance by a novel quinoline derivative,NS-209." Cancer Chemother.Pharmacol.35. 271-277 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Ohsumi: "N-Alkylated 1,4-dihydropyridines:New agents to overcome multidrug resistance" Chem.Pharm.Bull.43. 818-828 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] J.F.Eliason: "Novel dithiane analogues of tiapamil with high activity to overcome multidrug resistance in vitro" Biochem.Pharmacol.50. 187-196 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Fuji: "Structure of nine new diterpenoids from Taxus chinensis" Tetrahedron. 51. 10175-10188 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Fuji: "Ring opening of optically active cis-disubstituted aziridino alcohols:an enantiodivergent synthesis of functionalized amino alcohol derivatives" Heterocycles. 42. 701- (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] J.Kobayashi: "Taxuspines E〜H,and J,new taxoids from the Japanese yew Taxus cuspidata" Tetrahedron. 51. 5971-5978 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] X.Wang: "Taxuspines K,L,and M,new taxoids from Japanese yew Taxus cuspidata" Tetrahedron. 52. 2337-2342 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] J.Kobayashi: "Taxuspine D,a new taxane diterpene from Taxus cuspidata with potent inhibitory activity against Ca^<2+>-induced depolymerization of microtubules" Experientia. 41. 592-595 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] T.Inoue: "Regioselective synthesis of 14-membered biaryl ethers;Total synthesis of RA-VII and deoxubouvardin" Chem.Pharm.Bull.43. 1325-1335 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] H.Morita: "Cyclic peptide from higher plants.Part 21.Thionation of the antitumor cyclic pentapeptides astins A,B,and C,from Aster tartaricus." J.Chem.Soc.,Perkin Trans.1. 2327-2331 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] S.Funayama: "Cytocidal and antimicrobial activities of flavonoids" Natural Medicines. 49. 322-328 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] X.-X.Wang: ""Taxzopidine A,a novel taxoid from seeds of Japanese yew Taxus cuspidata"" Tetrahedron Lett.38. 7587-7588 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] H.Shigemori: ""Taxuspines X-Z,new taxoids from Japanese yew Taxus cuspidata"" Chem.Pharm.Bull. 45. 1205-1208 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] H.Morita: ""Cyclic peptides from higher plants. 39. Dichotomins F and C,cyclic pepties from Stellaria dichotoma var. lanceolta"" J.Nat.Prod.60. 404-407 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] H.Morita: ""Conformation of cyclic heptapeptides : Conformational analysis of segments D and E by distance geometly calculations"" Chem.Pharm.Bull. 45. 883-887 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Morita: ""Interaction of arenastatin A with porcine brain tubulin"" Biol.Pharm.Bull.20. 171-174 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] A.Nishikawa: ""Design and synthesis of the side chain modified analogs of curacin A"" Bioorg.Med.Chem.Lett.7. 2657-2660 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] M.-C.Rho: ""Enhancement of drug accumulation by andrastin A produced by Penicillium sp." J.Antibiot.50. 149-153 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] T.Watanabe: ""Regression of established tumors expressing glycoprotein by combinations of adriamycin, cyclosporin derivatives, and MRK-16 antibodies"" J.Natl.Cancer Inst.89. 512-518 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] O.Nakanishi: ""Potentiation of the antitumor activity by a novel quinoline compound, MS-209, in multidrug-resistant solid tumor cell lines"" Oncology Res.9. 61-69 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Tanaka: ""Formation of non-racemic E-and Z-olefins based on discrimination of enantiotopic carbonyl groups in alpha-diketones by a chiral phosphonate reagent"" Tetrahedron Lett.38. 8943-8946 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Tanaka: ""Use of 8,8'-dihydroxy-1,1'-binaphthalene as a chiral auxiliaty for asymmetric Diels-Alder cycloadditions"" Tetrahedron : Asymmetry. 8. 3637-3645 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Y.Tanaka: ""Nocardicyclins A and B : new anthracycline antibiotics produced by Nocardia brasiliensis"" J.Antibiot.50. 822-827 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Y.Tanaka: ""Brasilinolide A,a new macrolide antibiotic produced by Nocardia brasiliensis : Producing strains, isolation and biological activity"" J.Antibiot.50. 1036-1041 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] S.Yamamura: ""Biomimetic syntheses of isodityrosine natural products, and an approach to chemistry and molecular recognition of secoaglucovancomycin and related oligopeptides"" J.Synth.Org.Chem.55. 1029-1039 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Tanaka: ""Structures of taxchinins L and M,two new diterpenoids from Taxus chinensis var. mairei"" Chem.Pharm.Bull.49. 1770-1774 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Tanaka: ""Asymmetric synthesis of uncommon alpha-amino acids by diastereoselective alkylation of a chiral glycine equivalent"" Tetrahedron : Asymmetry. 7. 1771-1782 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Y.Tanaka: ""Different rifampicin inactivation mechanisms in Nocardia and related taxa"" Microbiol.Immunol.40. 1-4 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] T.Okuno: ""Chemical study on hapalosin, a cyclic depsipeptide possessing multidrug resistance reversing activities : synthesis, structure and biological activity"" Tetrahedron. 52. 14723-14734 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] T.Onoda: ""Synthetic study on curacin A : a novel antimitotic agent from cyanobacterium Lyngbya majuscula"" Tetrahedron. 52. 14543-14562 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] H.Morita: ""Cyclic peptides from higher plants. XXVIII.Antitumour activity and hepatic microsomal biotransformation of cyclic pentapeptides, astins, from Aster tataricus "" Chem.Pharm.Bull.44. 1026-1032 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Y.Hitotsuyanagi: ""Design and synthesis of an antitumor cyclic hexapeptide Rubia akane analogue possessing an unnatural amide configuration"" J.Chem.Soc., Chem.Commun.503-504

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] H.Hosoyama: ""Taxuspines U,V,and W,new taxane and related diterpenoids from the Japanese yew Taxus cuspidata"(1996)" Tetrahedron. 52. 2337-2342 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] X.-X.Wang: ""Taxuspines Q,R,S,and T,new taxoids from the Japanese yew Taxus Cuspidata "" Tetrahedron. 52. 12159-12164 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] J.Kobayashi.: ""Effects of taxoids from Taxus cuspidata on microtubule depolymerization and vincristine accumulation in MDR cells"" Bioorg.Med.Chem.Lett.7. 393-398 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Nakamura: ""Interaction between cell wall model of vancomycin resistant strain and aglucovancomycin synthetic analogs"" Tetrahedron Lett. 37. 191-192 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] M.Naito: ""Potentiation of the reversal activity of SDZ PSC833 on multi-drug resistance by an anti-P-glycoprotein monoclonal antibody MRK-16"" Int.J.Cancer.67. 435-440 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Mikami: ""DT-diaphoras as a critical determinant of sensitivity to mitomycin C in human colon and gastric carcinoma cell lines"" Cancer Res.56. 2823-2826 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] T.Watanabe: ""Modulation of multidrug resistance by SDZ PSC 833 in leukemic and solid-tumor-bearing mouse models"" Jpn.J.Cancer Res.87. 184-193 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] M.Hayashi: ""Chlovalicin, a new cytocidal antibiotic produced by Sporothrix sp. FO-4649. I.Taxonomy, fermentation, isolation and biological activities"" J.Antibiot. 49. 631-634 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Y.Koiso: ""Effect of arenastatin A and its synthetic analogs on microtubule assembly"" Chem.-Biol.Interactions. 102. 183-191 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] E.R.Dabbs: ""Ribosylation by mycobacterial strains as a new mechanism of rifampicin inactivation"" Antimicrob.Agents Chemother.39. 1007-1009 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] E.R.Dabbs: ""Rifampicin inactivation by Bacillus species"" J.Antibiot.48. 815-819 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Nakamura: ""Synthetic studies on vancomycin : Synthesis of seco-aglucovancomycins"" Tetrahedron Lett. 36. 8621-8624 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Nakamura: ""Conformational analysis of aglucovancomycin analogs"" Tetrahedron Lett.36. 8625-8628 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Nakamura: ""Interaction between bacterial cell wall model and aglucovancomycin or its synthetic analogs"" Tetrahedron Lett.36. 8629-8632 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] S.Takamatsu: ""Lousianins A,B,C,and D : non-steroidal growth inhibitors of testosterone-responsive SC 115 cells"" J.Antibiotic.48. 1090-1094 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] W.Sato: ""Reversal of multidrug resistance by a novel quinoline derivative, NS-209"" Cancer Chemother. Pharmacol.35. 271-277 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Ohsumi: ""N-Alkylated 1,4-dihydropyridines : New agents to "overcome multidrug resistance"" Chem.Pharm.Bull.43. 818-828 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] J.F.Eliason: ""Novel dithiane analogues of tiapamil with high activity to overcome multidrug resistance in vitro"" Biochem.Pharmacol.50. 187-196 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Fuji: ""Structure of nine new diterpenoids from Taxus chinensis"" Tetrahedron. 51. 10175-10188 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Fuji: ""Ring opening of optically active cis-disubstituted aziridino alcohols : an enantiodivergent synthesis of functionalized amino alcohol derivatives"" Heterocycles. 42. 701 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] J.Kobayashi: ""Taxuspines E-H,and J,new taxoids from the Japanese yew Taxus cuspidata "" Tetrahedron. 51. 5971-5978 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] X.-X.Wang: ""Taxuspines K,L,and M,new taxoids from Japanese yew Taxus cuspidata "" Tetrahedron. 52. 2337-2342 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] J.Kobayashi: ""Taxuspine D,a new taxane diterpene from Taxus cuspidata with potent inhibitory activity against Ca^<2+>-induced depolymerization of microtubules"" Experientia. 41. 592-595 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] T.Inoue: ""Regioselective synthesis of 14-membered biaryl ethers ; Total synthesis of RA-VII and deoxubouvardin"" Chem.Pharm.Bull.43. 1325-1335 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] H.Morita: ""Cyclic peptide from higher plants. Part 21. Thionation of the antitumor cyclic pentapeptides astins A,B,and C,from Aster tartaricus."" J.Chem.Soc., Perkin Trans.1. 2327-2331 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] S.Funayama: "Cytocidal and antimicrobial activities of flavonoids" Natural Medicines. 49. 322-328 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] X.-X.Wang: "Taxezopidine A,a novel taxoid from seeds of Japanese yew Taxus cuspidata" Tetrahedron Lett.38. 7587-7588 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] H.Shigemori: "Taxuspines X〜Z,new taxoids from Japanese yew Taxus cuspidata" Chem.Pharm.Bull.45. 1205-1208 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] H.Morita: "Cyclic peptides from higher plants.39.Dichotomins F AND C,cyclic peptides from Stellaria dichotoma var.lanceolata" J.Nat.Prod.60. 404-407 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] H.Morita: "Conformation of cyclic heptapeptides:Conformational analysis of segments D and E by distance geometry calculations" Chem.Pharm.Bull.45. 883-887 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] K.Morita: "Interaction of arenastatin A with porcine brain tubulin" Biol.Pharm.Bull.20. 171-174 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] A.Nishikawa: "Design and synthesis of the side chain modified analogs of curacin A" Bioorg.Med.Chem.Lett.7. 2657-2660 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] M.-C.Rho: "Enhancement of drug accumulation by andrastin A produced by Penicillium sp." J.Antibiot.50. 149-153 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] T.Watanabe: "Regression of established tumors expressing P-glycoprotein by combinations of adriamycin,cyclosporin derivatives,and MRK-16 antibodies" J.Natl.Cancer Inst.89. 512-518 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] O.Nakanishi: "Potentiation of the antitumor activity by a novel quinoline compound,MS-209,in multidrug-resistant solid tumor cell lines" Oncology Res.9. 61-69 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] K.Tanaka: "Formation of non-racemic E-and Z-olefins based on discrimination of enantiotopic carbonyl groups in α-diketones by a chiral phosphonate reagent" Tetrahedron Lett.38. 8943-8946 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] K.Tanaka: "Use of 8,8′-dihydroxy-1,1′-binaphthalene as a chiral auxiliary for asymmetric Diels-Alder cycloadditions" Tetrahedron:Asymmetry. 8. 3637-3645 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Y.Tanaka: "Nocardicyclins A and B:new anthracycline antibiotics produced by Nocardia brasiliensis" J.Antibiot.50. 822-827 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Y.Tanaka: "Brasilinolide A,a new macrolide antibiotic produced by Nocardia brasiliensis:Producing strains,isolation and biological activity" J.Antibiot.50. 1036-1041 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] S.Yamamura: "Biomimetic syntheses of isodityrosine natural products,and an approach to chemistry and molecular recognition of secoaglucovancomycin and related oligopeptides" J.Synth.Org.Chem.55. 1029-1039 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] X.-x. Wang: "Taxuspines Q, R, S, and T, new taxoids from the Japanese yew Taxus cuspidata" Tetrahedron. 52. 12159-12164 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] H. Hosoyama: "Taxuspines U, V, and W, new taxane and related diterpenoids from the Japanese yew Taxus cuspidata" Tetrahedron. 52. 2337-2342 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] J. Kobayashi: "Effects of taxoids from Taxus cuspidata on microtubule depolymerization and vincristine accumulation in MDR cells" BioMed. Chem. Lett.7. 393-398 (1997)

    • Related Report
      1996 Annual Research Report
  • [Publications] Y. Hitotsuyanagi: "Design and synthesis of an antitumor cyclic hexapeptide Rubia akane analogue possessing an unnatural amide configuration" J. Chem. Soc., Chem. Commun.506-504 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] H. Morita: "Cyclic peptides from higher plants. XXVIII. Antitumour activity and hepatic microsomal biotransformation of cyclic pentapeptides, astins, from Aster tataricus" Chem. Pharm. Bull.44. 1026-1032 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] T. Onoda: "Synthetic study on curacin A : a novel antimitotic agent from cyanobacterium Lyngbya majuscula" Tetrahedron. 52. 14543-14562 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Y. Koiso: "Effect of arenastain A and its synthetic analogs on microtubule assembly" Chem.-Biol. Interractions. 102. 183-191 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] K. Morita: "Interaction of arenastatin A with porcine brain tubulin" Biol. Pharm. Bull.20. 171-174 (1997)

    • Related Report
      1996 Annual Research Report
  • [Publications] M. Hayashi: "Chlovalicin, a new cytocidal antibiotic produced by Sporothrix sp. FO-4649. 1. Taxonomy, fermentation, isolation and biological activities" J. Antibiot.49. 631-634 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] T. Watanabe: "Modulation of multidrug resistance by SDZ PSC 833 in leukemic and solid-tumor-bearing mouse models" Jpn. J. Cancer Res.87. 184-193 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] K. Mikami: "DT-diaphoras as a critical determinant of sensitivity to mitomycin C in human colon and gastric carcinoma cell lines" Cancer Res.56. 2823-2326 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] M. Naito: "Potentiation of the reversal activity of SDZ PSC833 on multi-drug resistance by an anti-P-glycoprotein monoclonal antibody MRK-16" Int. J. Cancer. 67. 435-440 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] K. Tanaka: "Structures of taxchinins L and M, two new diterpenoids from Taxus chinensis var. mairei" Chem. Pharm. Bull.49. 1770-1774 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] K. Tanaka: "Asymmetric synthesis of uncommon α-amino acids by diastereoselective alkylation of a chiral glycine equivalent" Tetrahedron : Asymmetry. 7. 1771-1782 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Y. Tanaka: "Different rifampicin inactivation mechanisms in Nocardia and related taxa" Microbiol. Immunol.40. 1-4 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Y. Tanaka: "Changes in menaquinone composition associated with the growth phase and medium composition in Amycolatopsis species" Microbio. Cult. Coll.12. 11-16 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] K. Nakamura: "Interaction between cell wall model of vancomycin resistant strain and aglucovancomycin synthetic analogs" Tetrahedron Lett.37. 191-192 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] T. Okuno: "Chemical study on hapalosin, a cyclic depsipeptide possessing multidrug resistance reversing activities : synthesis, structure and biological activity" Tetrahedron. 52. 14723-14734 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] J.Kobayashi: "Taxuspines E〜H,and J,new taxoids from the Japanese yew Yaxus cuspidata" Tetrahedron. 51. 5971-5978 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] X.Wang: "Taxuspines K,L,and M,new taxoids from Japanese yew Taxus cuspidata" Tetrahedron. 52. 2337-2342 (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] J.Kobayashi: "Taxuspine D,a new taxane diterpene from Taxus cuspidata with potent inhibitory activity against Ca^<2+>-induced depolymerization of microtubules" Experientia. 41. 592-595 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] T.Inoue: "Regioselective synthesis of 14-membered biaryl ethers;Total synthesis of RA-VII and deoxubouvardin" Chem.Pharm.Bull.43. 1325-1335 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] H.Morita: "Cyclic peptide from higher plants.Part 21.Thionation of the antitumor cyclic pentapeptides astins A,B,and C,from Aster tartaricus." J.Chem.Soc.,Perkin Trans.1. 2327-2331 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] S.Funayama: "Cytocidal and antimicrobial activities of flavonoids" Natural Medicines. 49. 322-328 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] S.Takamatsu: "Lousianins A,B,C,and D:non-steroidal growth inhibitors of testosterone-responsive SC 115 cells" J.Antibiotic.48. 1090-1094 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] W.Sato: "Reversal of multidrug resistance by a novel quinoline derivative,NS-209." Cancer Chemother.Pharmacol.35. 271-277 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] K.Ohsumi: "N-Alkylated 1,4-dihydropyridines:New agents to overcome multidrug resistance" Chem.Pharm.Bull.43. 818-828 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] J.F.Eliason: "Novel dithiane analogues of tiapamil with high activity to overcome multidrug resistance in vitro" Biochem.Pharmacol.50. 187-196 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] K.Fuji: "Structure of nine new diterpenoids from Taxus chinensis" Tetrahedron. 51. 10175-10188 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] K.Fuji: "Ring opening of optically active cis-disubstituted aziridino alcohols:an enantiodivergent synthesis of functionalized amino alcohol derivatives" Heterocycles. 42. 701- (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] E.R.Dabbs: "Ribosylation by mycobacterial strains as a new mechanism of rifampicin inactivation" Antimicrob.Agents Chemother.39. 1007-1009 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] E.R.Dabbs: "Rifampicin inactivation by Bacillus species" J.Antibiot.48. 815-819 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Y.Tanaka: "Different rifampicin inactivation mechanisms in Nocardia and related taxa" Microbiol.Immunol.40. 1-4 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] K.Nakamura: "Synthetic studies on vancomycin:Synthesis of seco-aglucovancomycins" Tetrahedron Lett.36. 8621-8624 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] K.Nakamura: "Conformational analysis of aglucovancomycin analogs" Tetrahedron Lett.36. 8625-8628 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] K.Nakamura: "Interaction between bacterial cell wall model and aglucovancomycin or its syntheticanalogs" Tetrahedron Lett.36. 8629-8632 (1995)

    • Related Report
      1995 Annual Research Report

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Published: 1995-04-01   Modified: 2016-04-21  

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