S L Arnaiz

Summary

Affiliation: Universidad de Buenos Aires
Country: Argentina

Publications

  1. ncbi request reprint Nitric oxide, superoxide, and hydrogen peroxide production in brain mitochondria after haloperidol treatment
    S L Arnaiz
    School of Pharmacy and Biochemistry, University of Buenos Aires, Argentina
    Nitric Oxide 3:235-43. 1999
  2. doi request reprint Age-related alterations in mitochondrial physiological parameters and nitric oxide production in synaptic and non-synaptic brain cortex mitochondria
    S Lores-Arnaiz
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, C1113AAD Buenos Aires, Argentina
    Neuroscience 188:117-24. 2011
  3. doi request reprint Mitochondrial function and nitric oxide production in hippocampus and cerebral cortex of rats exposed to enriched environment
    S Lores-Arnaiz
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Argentina
    Brain Res 1319:44-53. 2010
  4. ncbi request reprint Exposure to enriched environments increases brain nitric oxide synthase and improves cognitive performance in prepubertal but not in young rats
    S Lores-Arnaiz
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Argentina
    Behav Brain Res 184:117-23. 2007
  5. ncbi request reprint Hippocampal mitochondrial dysfunction with decreased mtNOS activity in prehepatic portal hypertensive rats
    Silvia Lores-Arnaiz
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Argentina
    Neurochem Int 47:362-8. 2005
  6. ncbi request reprint Brain mitochondrial nitric oxide synthase: in vitro and in vivo inhibition by chlorpromazine
    Silvia Lores-Arnaiz
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Argentina
    Arch Biochem Biophys 430:170-7. 2004
  7. ncbi request reprint Dopamine enhances mtNOS activity: implications in mitochondrial function
    Analia Czerniczyniec
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, C1113AAD, Buenos Aires, Argentina
    Biochim Biophys Acta 1767:1118-25. 2007
  8. ncbi request reprint Extensive enriched environments protect old rats from the aging dependent impairment of spatial cognition, synaptic plasticity and nitric oxide production
    S Lores-Arnaiz
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, C1113AAD Buenos Aires, Argentina
    Behav Brain Res 169:294-302. 2006
  9. doi request reprint Mitochondrial dysfunction as a mediator of hippocampal apoptosis in a model of hepatic encephalopathy
    J Bustamante
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, C1113AAD Buenos Aires, Argentina
    Mol Cell Biochem 354:231-40. 2011
  10. doi request reprint Paraquat induces behavioral changes and cortical and striatal mitochondrial dysfunction
    A Czerniczyniec
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
    Free Radic Biol Med 51:1428-36. 2011

Collaborators

Detail Information

Publications16

  1. ncbi request reprint Nitric oxide, superoxide, and hydrogen peroxide production in brain mitochondria after haloperidol treatment
    S L Arnaiz
    School of Pharmacy and Biochemistry, University of Buenos Aires, Argentina
    Nitric Oxide 3:235-43. 1999
    ..This inhibition does not seem to be caused by increased NO or ONOO- formation...
  2. doi request reprint Age-related alterations in mitochondrial physiological parameters and nitric oxide production in synaptic and non-synaptic brain cortex mitochondria
    S Lores-Arnaiz
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, C1113AAD Buenos Aires, Argentina
    Neuroscience 188:117-24. 2011
    ..Non-synaptic mitochondria would be more resistant to age-related dysfunction and oxidative damage...
  3. doi request reprint Mitochondrial function and nitric oxide production in hippocampus and cerebral cortex of rats exposed to enriched environment
    S Lores-Arnaiz
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Argentina
    Brain Res 1319:44-53. 2010
    ..Our results suggest that in hippocampus and cerebral cortex, EE exposure protects mitochondria against calcium-induced MPT maintaining a convenient membrane potential, which assures a continuous energy supply...
  4. ncbi request reprint Exposure to enriched environments increases brain nitric oxide synthase and improves cognitive performance in prepubertal but not in young rats
    S Lores-Arnaiz
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Argentina
    Behav Brain Res 184:117-23. 2007
    ..These results support the hypothesis that brief exposure to EE and training produce effects on behavioral performance and on biochemical parameters in an age-dependent manner...
  5. ncbi request reprint Hippocampal mitochondrial dysfunction with decreased mtNOS activity in prehepatic portal hypertensive rats
    Silvia Lores-Arnaiz
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Argentina
    Neurochem Int 47:362-8. 2005
    ..It is concluded that the moderate increase in plasma ammonia that followed portal hypertension was the potential primary cause of the observed alterations...
  6. ncbi request reprint Brain mitochondrial nitric oxide synthase: in vitro and in vivo inhibition by chlorpromazine
    Silvia Lores-Arnaiz
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Argentina
    Arch Biochem Biophys 430:170-7. 2004
    ..Results indicate that chlorpromazine inhibits brain mtNOS activity in vitro and can exert the same action in vivo...
  7. ncbi request reprint Dopamine enhances mtNOS activity: implications in mitochondrial function
    Analia Czerniczyniec
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, C1113AAD, Buenos Aires, Argentina
    Biochim Biophys Acta 1767:1118-25. 2007
    ..This work provides evidence that in the studied conditions, dopamine modifies mitochondrial function by a nitric oxide-dependent pathway...
  8. ncbi request reprint Extensive enriched environments protect old rats from the aging dependent impairment of spatial cognition, synaptic plasticity and nitric oxide production
    S Lores-Arnaiz
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, C1113AAD Buenos Aires, Argentina
    Behav Brain Res 169:294-302. 2006
    ..Complex I activity was 70-80% increased in EE as compared to SE rats. A significant increase in the area of NADPH-d reactive neurons was observed in the parietotemporal cortex and CA1 hippocampal region of EE animals...
  9. doi request reprint Mitochondrial dysfunction as a mediator of hippocampal apoptosis in a model of hepatic encephalopathy
    J Bustamante
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, C1113AAD Buenos Aires, Argentina
    Mol Cell Biochem 354:231-40. 2011
    ..In addition, in vitro studies performed in mitochondria from sham animals showed that mitochondrial permeability transition (MPT) could be a mitochondrial mediator of the apoptotic signaling in the presence of NH(4) (+) and calcium...
  10. doi request reprint Paraquat induces behavioral changes and cortical and striatal mitochondrial dysfunction
    A Czerniczyniec
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
    Free Radic Biol Med 51:1428-36. 2011
    ..We demonstrate that paraquat induced alterations in nonmotor symptoms and cortical and striatal mitochondrial dysfunction...
  11. ncbi request reprint Long-term angiotensin II inhibition increases mitochondrial nitric oxide synthase and not antioxidant enzyme activities in rat heart
    Lidia E Costa
    Instituto de Investigaciones Cardiologicas, Facultad de Medicina, Universidad de Buenos Aires, Argentina
    J Hypertens 20:2487-94. 2002
    ..To provide insight into the subcellular mechanisms involved in the improvement of cardiovascular structure and function by long-term inhibition of the renin-angiotensin system...
  12. doi request reprint Age related changes from youth to adulthood in rat brain cortex: nitric oxide synthase and mitochondrial respiratory function
    Juanita Bustamante
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, Buenos Aires C1113AAD, Argentina
    Neurochem Res 33:1216-23. 2008
    ..During rat growth, the respiratory function seems to be modulated by NO produced by the different NOS enzymes: nNOS, eNOS and mtNOS present in the cytosol and in the mitochondria...
  13. ncbi request reprint Brain nitric oxide synthases and mitochondrial function
    Juanita Bustamante
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
    Front Biosci 12:1034-40. 2007
    ..All these results seems to be clearly related with the reversible and concentration-dependent attenuation of the respiratory chain by NO...
  14. ncbi request reprint Reactions of peroxynitrite in the mitochondrial matrix
    L B Valdez
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University Hospital, School of Medicine, University of Buenos Aires, Argentina
    Free Radic Biol Med 29:349-56. 2000
    ..An intramitochondrial steady state concentration of about 2 nM ONOO- was calculated, taking into account the rate constants and concentrations of ONOO- coreactants...
  15. ncbi request reprint Improvement of mouse brain mitochondrial function after deprenyl treatment
    A Czerniczyniec
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, C1113AAD, Buenos Aires, Argentina
    Neuroscience 144:685-93. 2007
    ....
  16. doi request reprint Dopamine modifies oxygen consumption and mitochondrial membrane potential in striatal mitochondria
    Analia Czerniczyniec
    Laboratory of Free Radical Biology, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, C1113AAD Buenos Aires, Argentina
    Mol Cell Biochem 341:251-7. 2010
    ....