La maladie de Parkinson en France (serveur d'exploration)

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Inactivation of protease nexin-1 by xanthine oxidase-derived free radicals

Identifieur interne : 001770 ( PascalFrancis/Curation ); précédent : 001769; suivant : 001771

Inactivation of protease nexin-1 by xanthine oxidase-derived free radicals

Auteurs : F. N. Bolkenius [France] ; D. Monard

Source :

RBID : Pascal:95-0402708

Descripteurs français

English descriptors

Abstract

Neuronal viability is affected by reactive oxygen species. Lipid peroxidation is often defined as a major reason for cellular breakdown. Additionally, certain indispensable proteins are possible targets for excessively formed reactive oxygen species. Evidence is given here that protease nexin-1 (PN-1), an endogenous thrombin inhibitor and neurite outgrowth promoter, is inactivated by xanthine oxidase-derived free radicals. Varying protection by superoxide dismutase and catalase was observed, depending on the reaction conditions. The water-soluble α-analogues-analogues MDL 74,406 (R(+ )-3,4-dihydro-6-hydroxy-N,N,N2,5,7,8-heptamethyl-2H-1-benzopyran-2-ethanaminium 4-methylbenzenesulfonate), MDL 74,180DA (2,3dihydro-2,2,4,6,7-pentamethyl-3-(4-methyl-piperazino)-I-benzofuran-5-ol dihydro-chloride) and trolox also protected PN-I. Neurodegeneration may be triggered by oxidative inactivation of protease inhibitors such as PN-I. Protection of PN-1 in Alzheimer's or Parkinson's diseases, could be a possible target for a therapeutic function of antioxidants in these diseases.
pA  
A01 01  1    @0 0197-0186
A02 01      @0 NEUIDS
A03   1    @0 Neurochem. int.
A05       @2 26
A06       @2 6
A08 01  1  ENG  @1 Inactivation of protease nexin-1 by xanthine oxidase-derived free radicals
A11 01  1    @1 BOLKENIUS (F. N.)
A11 02  1    @1 MONARD (D.)
A14 01      @1 Marion Merrell Dow res. inst. @2 67080 Strasbourg @3 FRA @Z 1 aut.
A20       @1 587-592
A21       @1 1995
A23 01      @0 ENG
A43 01      @1 INIST @2 18809 @5 354000051043110050
A44       @0 0000
A45       @0 1 p.1/4
A47 01  1    @0 95-0402708
A60       @1 P
A61       @0 A
A64 01  1    @0 Neurochemistry international
A66 01      @0 USA
C01 01    ENG  @0 Neuronal viability is affected by reactive oxygen species. Lipid peroxidation is often defined as a major reason for cellular breakdown. Additionally, certain indispensable proteins are possible targets for excessively formed reactive oxygen species. Evidence is given here that protease nexin-1 (PN-1), an endogenous thrombin inhibitor and neurite outgrowth promoter, is inactivated by xanthine oxidase-derived free radicals. Varying protection by superoxide dismutase and catalase was observed, depending on the reaction conditions. The water-soluble α-analogues-analogues MDL 74,406 (R(+ )-3,4-dihydro-6-hydroxy-N,N,N2,5,7,8-heptamethyl-2H-1-benzopyran-2-ethanaminium 4-methylbenzenesulfonate), MDL 74,180DA (2,3dihydro-2,2,4,6,7-pentamethyl-3-(4-methyl-piperazino)-I-benzofuran-5-ol dihydro-chloride) and trolox also protected PN-I. Neurodegeneration may be triggered by oxidative inactivation of protease inhibitors such as PN-I. Protection of PN-1 in Alzheimer's or Parkinson's diseases, could be a possible target for a therapeutic function of antioxidants in these diseases.
C02 01  X    @0 002A25D02
C03 01  X  FRE  @0 Proteinases @2 FE @5 01
C03 01  X  ENG  @0 Proteinases @2 FE @5 01
C03 01  X  SPA  @0 Proteinases @2 FE @5 01
C03 02  X  FRE  @0 Activité enzymatique @5 02
C03 02  X  ENG  @0 Enzymatic activity @5 02
C03 02  X  SPA  @0 Actividad enzimática @5 02
C03 03  X  FRE  @0 Inhibiteur enzyme @5 03
C03 03  X  ENG  @0 Enzyme inhibitor @5 03
C03 03  X  SPA  @0 Inhibidor enzima @5 03
C03 04  X  FRE  @0 Thrombin @2 NK @2 FE @2 FR @5 04
C03 04  X  ENG  @0 Thrombin @2 NK @2 FE @2 FR @5 04
C03 04  X  SPA  @0 Thrombin @2 NK @2 FE @2 FR @5 04
C03 05  X  FRE  @0 Radical libre @2 FX @5 05
C03 05  X  ENG  @0 Free radical @2 FX @5 05
C03 05  X  SPA  @0 Radical libre @2 FX @5 05
C03 06  X  FRE  @0 Xanthine oxidase @2 FE @5 06
C03 06  X  ENG  @0 Xanthine oxidase @2 FE @5 06
C03 06  X  SPA  @0 Xanthine oxidase @2 FE @5 06
C03 07  X  FRE  @0 Antioxydant @5 07
C03 07  X  ENG  @0 Antioxidant @5 07
C03 07  X  SPA  @0 Antioxidante @5 07
C03 08  X  FRE  @0 In vitro @5 08
C03 08  X  ENG  @0 In vitro @5 08
C03 08  X  SPA  @0 In vitro @5 08
C03 09  X  FRE  @0 Oxydation @5 10
C03 09  X  ENG  @0 Oxidation @5 10
C03 09  X  GER  @0 Oxidation @5 10
C03 09  X  SPA  @0 Oxidación @5 10
C03 10  X  FRE  @0 Rat @5 54
C03 10  X  ENG  @0 Rat @5 54
C03 10  X  SPA  @0 Rata @5 54
C03 11  X  FRE  @0 Nexin-1 @4 INC @5 78
C03 12  X  FRE  @0 Serpin @4 INC @5 81
C07 01  X  FRE  @0 Hydrolases @2 FE
C07 01  X  ENG  @0 Hydrolases @2 FE
C07 01  X  SPA  @0 Hydrolases @2 FE
C07 02  X  FRE  @0 Enzyme
C07 02  X  ENG  @0 Enzyme
C07 02  X  SPA  @0 Enzima
C07 03  X  FRE  @0 Serine endopeptidases @2 FE
C07 03  X  ENG  @0 Serine endopeptidases @2 FE
C07 03  X  SPA  @0 Serine endopeptidases @2 FE
C07 04  X  FRE  @0 Oxidoreductases @2 FE
C07 04  X  ENG  @0 Oxidoreductases @2 FE
C07 04  X  SPA  @0 Oxidoreductases @2 FE
C07 05  X  FRE  @0 Rodentia @2 NS
C07 05  X  ENG  @0 Rodentia @2 NS
C07 05  X  SPA  @0 Rodentia @2 NS
C07 06  X  FRE  @0 Mammalia @2 NS
C07 06  X  ENG  @0 Mammalia @2 NS
C07 06  X  SPA  @0 Mammalia @2 NS
C07 07  X  FRE  @0 Vertebrata @2 NS
C07 07  X  ENG  @0 Vertebrata @2 NS
C07 07  X  SPA  @0 Vertebrata @2 NS
N21       @1 225

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Pascal:95-0402708

Le document en format XML

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<s0>Rodentia</s0>
<s2>NS</s2>
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<s0>Vertebrata</s0>
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