thioredoxin;
redox;
oxidative stress;
nucleus;
protein oxidation;
glutathione;
D O I:
10.1016/S0014-5793(03)00430-7
中图分类号:
Q5 [生物化学];
Q7 [分子生物学];
学科分类号:
071010 ;
081704 ;
摘要:
Thioredoxin 1 (Trx1) is a key redox control system within the nucleus, yet little is known about the sensitivity of nuclear Trx1 to oxidative stress. The present study compared oxidant-induced changes in the redox states of nuclear Trx1, cytoplasmic Trx1, and cellular glutathione (GSH). Nuclear Trx1 was more reducing than cytoplasmic Trx1 and cellular GSH in proliferating cells. tert-Butylhydroperoxide caused an increase in the total amount of nuclear Trx1, but this was accompanied by a 60 mV oxidation. Thus, the increase in nuclear Trx1 levels did not correspond to an increase in the overall reducing capacity of Trx1 in the nucleus. (C) 2003 Federation of European Biochemical Societies. Published by Elsevier Science B.V. All rights reserved.
机构:
Univ Fed Sao Paulo, Dept Bioquim Biol Mol, Sao Paulo, Brazil
Univ Fed Sao Paulo, CTCMol, Ctr Cellular & Mol Therapy, Sao Paulo, BrazilUniv Fed Sao Paulo, Dept Bioquim Biol Mol, Sao Paulo, Brazil
Ogata, Fernando Toshio
Batista, Wagner Luiz
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h-index: 0
机构:
Univ Fed Sao Paulo, Dept Ciencias Biol, Sao Paulo, BrazilUniv Fed Sao Paulo, Dept Bioquim Biol Mol, Sao Paulo, Brazil
Batista, Wagner Luiz
Sartori, Adriano
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机构:
Univ Fed Sao Paulo, Dept Bioquim Biol Mol, Sao Paulo, Brazil
Univ Fed Sao Paulo, CTCMol, Ctr Cellular & Mol Therapy, Sao Paulo, BrazilUniv Fed Sao Paulo, Dept Bioquim Biol Mol, Sao Paulo, Brazil
Sartori, Adriano
Gesteira, Tarsis Ferreira
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机构:
Univ Fed Sao Paulo, Dept Bioquim Biol Mol, Sao Paulo, Brazil
Univ Fed Sao Paulo, CTCMol, Ctr Cellular & Mol Therapy, Sao Paulo, BrazilUniv Fed Sao Paulo, Dept Bioquim Biol Mol, Sao Paulo, Brazil
Gesteira, Tarsis Ferreira
Masutani, Hiroshi
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h-index: 0
机构:
Kyoto Univ, Dept Biol Responses, Kyoto, JapanUniv Fed Sao Paulo, Dept Bioquim Biol Mol, Sao Paulo, Brazil
Masutani, Hiroshi
Arai, Roberto Jun
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h-index: 0
机构:
NYU, Sch Med, Dept Pharmacol, New York, NY USAUniv Fed Sao Paulo, Dept Bioquim Biol Mol, Sao Paulo, Brazil
Arai, Roberto Jun
Yodoi, Junji
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机构:
Kyoto Univ, Dept Biol Responses, Kyoto, JapanUniv Fed Sao Paulo, Dept Bioquim Biol Mol, Sao Paulo, Brazil
Yodoi, Junji
Stern, Arnold
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h-index: 0
机构:
NYU, Sch Med, Dept Pharmacol, New York, NY USAUniv Fed Sao Paulo, Dept Bioquim Biol Mol, Sao Paulo, Brazil
Stern, Arnold
Monteiro, Hugo Pequeno
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h-index: 0
机构:
Univ Fed Sao Paulo, Dept Bioquim Biol Mol, Sao Paulo, Brazil
Univ Fed Sao Paulo, CTCMol, Ctr Cellular & Mol Therapy, Sao Paulo, BrazilUniv Fed Sao Paulo, Dept Bioquim Biol Mol, Sao Paulo, Brazil