Research Topics
Species | Susana PuntaruloSummaryAffiliation: Universidad de Buenos Aires Country: Argentina Publications
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Detail Information
Publications
UV-B effects on Antarctic Chlorella sp cellsM S Estevez
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Argentina
J Photochem Photobiol B 62:19-25. 2001..Moreover, a significant decrease in the content of both lipid and water soluble antioxidants might contribute to establish oxidative stress in the cells...
Forms of iron binding in the cells and the chemical features of chelation therapyS Puntarulo
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
Mini Rev Med Chem 9:1136-46. 2009..This work reviews the main features of Fe binding in the cell and its association to these processes. The chemical nature of the Fe extracted by chelation therapy in pathophysiological situations is also analyzed...
Iron, oxidative stress and human healthSusana Puntarulo
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, 1113 Buenos Aires, Argentina
Mol Aspects Med 26:299-312. 2005....
Iron and radical content in Mya arenaria. Possible sources of NO generationPaula Mariela González
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, 1113 Buenos Aires, Argentina
Aquat Toxicol 89:122-8. 2008..16+/-0.06 pmol/(mg FW min). The data presented here document the detectable presence of highly reactive species in M. arenaria...
Ferritin-dependent radical generation in rat liver homogenatesIvan Rousseau
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, Junin 956, C1113AAD, Buenos Aires, Argentina
Toxicology 264:155-61. 2009..The data in tissue homogenates presented here showed that radical generation is associated to FER Fe release, and moreover that the FER protein itself was affected during this process...
Iron and nitrosative metabolism in the Antarctic mollusc Laternula ellipticaPaula Mariela González
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, 1113 Buenos Aires, Argentina
Comp Biochem Physiol C Toxicol Pharmacol 153:243-50. 2011..elliptica might contribute to restrict oxidative damage by a close link with Fe metabolism...
Fe allocation in liver during early stages of endotoxemia in Fe-overload ratsIvan Rousseau
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, Buenos Aires, Argentina
Toxicol Pathol 39:1075-83. 2011....
Exposure to nitric oxide protects against oxidative damage but increases the labile iron pool in sorghum embryonic axesSebastián Jasid
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, Buenos Aires, C1113AAD, Argentina
J Exp Bot 59:3953-62. 2008....
Exposure to nitric oxide increases the nitrosyl-iron complexes content in sorghum embryonic axesMarcela Simontacchi
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, Buenos Aires 1113, Argentina
Plant Sci 183:159-66. 2012..Moreover, demonstrate the presence of MNICs as one of the important components of the LIP, which could actively participate in Fe cellular mobilization...
Soybean ferritin: isolation, characterization, and free radical generationAndrea Galatro
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires C1113AAD, Argentina
J Integr Plant Biol 54:45-54. 2012..Moreover, the scavenging of these radicals by Ft itself could then lead to protein damage. However, Ft could also prevent cellular damage by the uptake of catalytically active Fe...
Exposure to excess dissolved iron in vivo affects oxidative status in the bivalve Mya arenariaPaula M Gonzalez
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, 1113 Buenos Aires, Argentina
Comp Biochem Physiol C Toxicol Pharmacol 152:167-74. 2010..Moreover, the second phase could be understood as the consequence of the exhaustion of cellular protective systems that could also involve NO...
In vivo supplementation with Ginkgo biloba protects membranes against lipid peroxidationAlejandro D Boveris
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Argentina
Phytother Res 21:735-40. 2007..The data presented here showed that Gb extracts were able to limit lipid peroxidation and scavenge lipid radicals in vivo and actively protect membranes from oxidative damage...
Early neuroprotective effect of nitric oxide in developing rat brain irradiated in uteroPablo Gisone
Laboratorio de Radiopatología, Autoridad Regulatoria Nuclear, Buenos Aires, Argentina
Neurotoxicology 24:245-53. 2003..Thus, increased NO steady-state concentration could be ascribed to an increase in NOS activity. Taken as a whole, these results suggest that NO might act to protect the developing brain from the cytotoxicity of reactive species...
Labile iron pool and ferritin content in developing rat brain gamma-irradiated in uteroElizabeth Robello
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
Neurotoxicology 30:430-5. 2009..The data presented in this work are the first experimental evidence suggesting that, as part of the network of the cellular response to limit irradiation-dependent injury, a complex interaction between Fe and NO could be triggered...
New insights on dimethylaminoethanol (DMAE) features as a free radical scavengerGabriela Malanga
Fisicoquímica, Facultad de Farmacia y Bioquimica, Junin 956, 1113 Buenos Aires, Argentina
Drug Metab Lett 6:54-9. 2012..DMAE ability to directly react with hydroxyl, ascorbyl and lipid radicals was tested employing in vitro assays, and related to the supplemented dose of the compound...
Liver preconditioning induced by iron in a rat model of ischemia/reperfusionMonica Galleano
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires CONICET, Buenos Aires, Argentina
Life Sci 89:221-8. 2011....
Nitric oxide and iron: effect of iron overload on nitric oxide production in endotoxemiaMonica Galleano
Physical Chemistry-PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, C1113AAD Buenos Aires, Argentina
Mol Aspects Med 25:141-54. 2004..Further studies will be required to assess the complex role of the Kupffer cells on iNOS induction and NO production...
Does hepatomegaly alter iron-dependent oxidative effects in human plasma?Monica Galleano
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Argentina
Hum Exp Toxicol 22:401-5. 2003..The data presented here suggest that abnormal liver condition affects iron-dependent oxidative stress in plasma. Moreover, alpha-T does not seem to be the main antioxidant to control iron-dependent oxidative stress in plasma...
Lipid radical generation in polar (Laternula elliptica) and temperate (Mya arenaria) bivalvesMaria Susana Estevez
Physical Chemistry-PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, , 1113, Buenos Aires, Argentina
Comp Biochem Physiol B Biochem Mol Biol 132:729-37. 2002..L. elliptica had a higher content of alpha-tocopherol and beta-carotene than M. arenaria. Our data suggest that increased lipid radical content in the membranes of cold-adapted organisms could be related to iron content...
Ascorbyl radical/ascorbate ratio in plasma from iron overloaded rats as oxidative stress indicatorMonica Galleano
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, Argentina
Toxicol Lett 133:193-201. 2002..On this regard, evaluation of A*/AH(-) ratio did not help to discriminate between the possible involved mechanisms...
Chloroplasts as a nitric oxide cellular source. Effect of reactive nitrogen species on chloroplastic lipids and proteinsSebastián Jasid
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
Plant Physiol 142:1246-55. 2006..Data reported here suggest that NO is an endogenous metabolite in soybean chloroplasts and that reactive nitrogen species could exert either antioxidant or prooxidant effects on chloroplast macromolecules...
A kinetic approach to assess oxidative metabolism related features in the bivalve Mya arenariaPaula Mariela González
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
Theory Biosci 131:253-64. 2012..This data can be further used as a basis to assess the cellular response to stress in a simple system as the bivalve M. arenaria that can then be compared to cells of higher organisms...
Mitochondrial ferritin in animals and plantsAndrea Galatro
Physical Chemistry PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
Front Biosci 12:1063-71. 2007....
The effect of seasonality on oxidative metabolism in Nacella (Patinigera) magellanicaGabriela Malanga
Centro Austral de Investigaciones Científicas CADIC CONICET c c 92 9410 Ushuaia, Tierra del Fuego, Argentina
Comp Biochem Physiol A Mol Integr Physiol 146:551-8. 2007..Together, the data indicate that both oxygen and nitrogen radical generation rates in N. (P.) magellanica are strongly dependent on season...
Oxidative stress and HIF-1 DNA binding during stressful cold exposure and recovery in the North Sea eelpout (Zoarces viviparus)Katja Heise
Alfred-Wegener-Institute for Polar and Marine Research, Physiology of Marine Animals, Am Handelshafen 12, 27570 Bremerhaven, Germany
Comp Biochem Physiol A Mol Integr Physiol 143:494-503. 2006..Notably the non-enzymatic antioxidant defense (e.g. glutathione) may play an important role for eelpout ROS scavenging capacity under cold stress...
Oxidative stress in limpets exposed to different environmental conditions in the Beagle ChannelGabriela Malanga
, C.C. 92 9410 Ushuaia, Tierra del Fuego, Argentina
Aquat Toxicol 69:299-309. 2004..It is likely that N. (P.) magellanica has a particular evolutionary adaptation to extreme environmental conditions by keeping iron content low and antioxidant activities high...
The role of nitric oxide in the radiation-induced effects in the developing brainPablo Gisone
Nuclear Regulatory Authority, Scientific Support, Radiopathology Laboratory, Libertador 8250 C1429BNP Buenos Aires, Argentina
In Vivo 18:281-92. 2004....
Formation of reactive species and induction of antioxidant defence systems in polar and temperate marine invertebrates and fishDoris Abele
Alfred Wegener Institut for Polar and Marine Research, Marine Ecophysiology Ecotoxicology, Columbusstr 27568 Bremerhaven, Germany
Comp Biochem Physiol A Mol Integr Physiol 138:405-15. 2004....
Oxidative stress during stressful heat exposure and recovery in the North Sea eelpout Zoarces viviparus LKatja Heise
Alfred-Wegener Institute for Polar and Marine Research, Physiology of Marine Animals, Am Handelshafen 12, 27570 Bremerhaven, Germany
J Exp Biol 209:353-63. 2006..We suppose that the more oxidized redox state during extreme heat may interfere with the hypoxic signaling response...
Reactive species and apoptosis of neural precursor cells after gamma-irradiationPablo Gisone
Nuclear Regulatory Authority, Radiopathology Laboratory, Avenida del Libertador 8250 (C1429BNP) Buenos Aires, Argentina
Neurotoxicology 27:253-9. 2006..However, despite this NO initial protective effect and its role modulating the response against gamma-radiation, NO generation was not able of fully preventing radiation-induced apoptosis...
Marine invertebrate mitochondria and oxidative stressEoris Abele
Alfred Wegener Institute for Polar and Marine Research, Dept Marine Animal Physiology and Function, D 27570 Bremerhaven, Germany
Front Biosci 12:933-46. 2007..A new concept is proposed, showing how the cross talk of reactive O2 species in metabolically low marine invertebrates could support their outstanding hypoxia tolerance under non-stressed conditions...
