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Juan Segura Aguilar
Juan Segura Aguilar
Professor, Molecular & Clinical Pharmacologt, Faculty of Medicine, University of Chile
Dirección de correo verificada de med.uchile.cl
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Guidelines for the use and interpretation of assays for monitoring autophagy
Autophagy 8 (4), 445–544., 2012
13462*2012
Quercetin may act as a cytotoxic prooxidant after its metabolic activation to semiquinone and quinoidal product
D Metodiewa, AK Jaiswal, N Cenas, E Dickancaité, J Segura-Aguilar
Free radical biology and medicine 26 (1-2), 107-116, 1999
6591999
Interactions of iron, dopamine and neuromelanin pathways in brain aging and Parkinson's disease
FA Zucca, J Segura-Aguilar, E Ferrari, P Muñoz, I Paris, D Sulzer, T Sarna, ...
Progress in neurobiology 155, 96-119, 2017
5962017
Protective and toxic roles of dopamine in Parkinson's disease
J Segura‐Aguilar, I Paris, P Muñoz, E Ferrari, L Zecca, FA Zucca
Journal of neurochemistry 129 (6), 898-915, 2014
5082014
Glutathione transferases catalyse the detoxication of oxidized metabolites (o-quinones) of catecholamines and may serve as an antioxidant system preventing degenerative …
S Baez, J Segura-Aguilar, M Widersten, AS Johansson, B Mannervik
Biochemical Journal 324 (1), 25-28, 1997
4311997
The role of DT-diaphorase in the maintenance of the reduced antioxidant form of coenzyme Q in membrane systems.
RE Beyer, J Segura-Aguilar, S Di Bernardo, M Cavazzoni, R Fato, ...
Proceedings of the National Academy of Sciences 93 (6), 2528-2532, 1996
3791996
Targeting the UPR transcription factor XBP1 protects against Huntington's disease through the regulation of FoxO1 and autophagy
RL Vidal, A Figueroa, FA Court, P Thielen, C Molina, C Wirth, B Caballero, ...
Human molecular genetics 21 (10), 2245-2262, 2012
2632012
Dopamine oxidation and autophagy
P Muñoz, S Huenchuguala, I Paris, J Segura-Aguilar
Parkinson’s disease 2012, 2012
2382012
On the mechanism of the Mn3+-induced neurotoxicity of dopamine: Prevention of quinone-derived oxygen toxicity by DT diaphorase and superoxide dismutase
J Segura-Aguilar, C Lind
Chemico-biological interactions 72 (3), 309-324, 1989
2241989
Cell lines as in vitro models for drug screening and toxicity studies
DD Allen, R Caviedes, AM Cárdenas, T Shimahara, J Segura-Aguilar, ...
Drug development and industrial pharmacy 31 (8), 757-768, 2005
2012005
Human class Mu glutathione transferases, in particular isoenzyme M2-2, catalyze detoxication of the dopamine metabolite aminochrome
J Segura-Aguilar, S Baez, M Widersten, CJ Welch, B Mannervik
Journal of Biological Chemistry 272 (9), 5727-5731, 1997
1551997
Copper neurotoxicity is dependent on dopamine‐mediated copper uptake and one‐electron reduction of aminochrome in a rat substantia nigra neuronal cell line
I Paris, A Dagnino‐Subiabre, K Marcelain, LB Bennett, P Caviedes, ...
Journal of neurochemistry 77 (2), 519-529, 2001
1532001
Regioselectivity and reversibility of the glutathione conjugation of quercetin quinone methide
MG Boersma, J Vervoort, H Szymusiak, K Lemanska, B Tyrakowska, ...
Chemical Research in Toxicology 13 (3), 185-191, 2000
1522000
Metabolic activation of dopamine o-quinones to o-semiquinones by NADPH cytochrome P450 reductase may play an important role in oxidative stress and apoptotic effects
J Segura-Aguilar, D Metodiewa, CJ Welch
Biochimica et Biophysica Acta (BBA)-General Subjects 1381 (1), 1-6, 1998
1421998
Are dopamine oxidation metabolites involved in the loss of dopaminergic neurons in the nigrostriatal system in Parkinson’s disease?
A Herrera, P Muñoz, HWM Steinbusch, J Segura-Aguilar
ACS Chemical Neuroscience 8 (4), 702-711, 2017
1362017
Glutathione transferase M2-2 catalyzes conjugation of dopamine and dopa o-quinones
A Dagnino-Subiabre, BK Cassels, S Baez, AS Johansson, B Mannervik, ...
Biochemical and biophysical research communications 274 (1), 32-36, 2000
1322000
DT-Diaphorase maintains the reduced state of ubiquinones in lipid vesicles thereby promoting their antioxidant function
L Landi, D Fiorentini, MC Galli, J Segura-Aguilar, RE Beyer
Free Radical Biology and Medicine 22 (1-2), 329-335, 1997
1311997
On the neurotoxicity mechanism of leukoaminochrome o-semiquinone radical derived from dopamine oxidation: mitochondria damage, necrosis, and hydroxyl radical formation
C Arriagada, I Paris, MJS de las Matas, P Martinez-Alvarado, S Cardenas, ...
Neurobiology of Disease 16 (2), 468-477, 2004
1212004
Neurotoxins and neurotoxic species implicated in neurodegeneration
J Segura-Aguilar, RM Kostrzewa
Neurotoxicity research 6, 615-630, 2004
1172004
Effect of superoxide dismutase on the autoxidation of various hydroquinones—a possible role of superoxide dismutase as a superoxide: semiquinone oxidoreductase
E Cadenas, D Mira, A Brunmark, C Lind, J Segura-Aguilar, L Ernster
Free Radical Biology and Medicine 5 (2), 71-79, 1988
1161988
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Artículos 1–20