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Luis Beaugé

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Luis Beaugé; Graciela Berberián; Mariana Bollo; Alexandra Cousido; Reinaldo DiPolo; alberto podjarny
Metabolic regulation of the squid nerve Na(+)/Ca (2+) exchanger: recent developments.
Graciela Berberián; Reinaldo DiPolo; Alberto Podjarny; Luis Beaugé
Metabolic regulation of the squid nerve Na⁺/Ca²⁺ exchanger: recent kinetic, biochemical and structural developments.
Diego Forcato; Velia Posada; Luis Beaugé; Graciela Berberián
Optimal metabolic regulation of the mammalian heart Na(+)/Ca(2+) exchanger requires a spacial arrangements with a PtdIns(4)-5kinase.

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All Publications

2013: Luis Beaugé; Graciela Berberián; Mariana Bollo; Alexandra Cousido; Reinaldo DiPolo; alberto podjarny
Metabolic regulation of the squid nerve Na(+)/Ca (2+) exchanger: recent developments.
Advances in experimental medicine and biology 2013;961():149-61.
2012: Graciela Berberián; Reinaldo DiPolo; Alberto Podjarny; Luis Beaugé
Metabolic regulation of the squid nerve Na⁺/Ca²⁺ exchanger: recent kinetic, biochemical and structural developments.
Progress in biophysics and molecular biology 2012;108(1-2):47-63.
2010: Diego Forcato; Velia Posada; Luis Beaugé; Graciela Berberián
Optimal metabolic regulation of the mammalian heart Na(+)/Ca(2+) exchanger requires a spacial arrangements with a PtdIns(4)-5kinase.
Biochemical and biophysical research communications 2010;402(1):147-52.
2009: Graciela Berberián; Diego Forcato; Luis Beaugé
Key role of a PtdIns-4,5P2 micro domain in ionic regulation of the mammalian heart Na+/Ca2+ exchanger.
Cell calcium 2009;45(6):546-53.
2009: Graciela Berberián; Mariana Bollo; Guillermo Montich; Gretel Roberts; Joseph A Degiorgis; Reinaldo DiPolo; Luis Beaugé
A novel lipid binding protein is a factor required for MgATP stimulation of the squid nerve Na+/Ca2+ exchanger.
Biochimica et biophysica acta 2009;1788(6):1255-62.
2009: Daniel Raimunda; Mariana Bollo; Luis Beaugé; Graciela Berberián
Squid nerve Na+/Ca2+ exchanger expressed in Saccharomyces cerevisiae: up-regulation by a phosphorylated cytosolic protein (ReP1-NCXSQ) is identical to that of native exchanger in situ.
Cell calcium 2009;45(5):499-508.
2008: Ulrich Terpitz; Daniel Raimunda; Markus Westhoff; Vladimir Sukhorukov; Luis Beaugé; Ernst Bamberg; Dirk Zimmermann
Electrofused giant protoplasts of Saccharomyces cerevisiae as a novel system for electrophysiological studies on membrane proteins.
Biochimica et biophysica acta 2008;1778(6):1493-500.
2008: Reinaldo DiPolo; Luis Beaugé
In the squid axon Na+/Ca2+ exchanger the state of the Ca i-regulatory site influences the affinities of the intra- and extracellular transport sites for Na+ and Ca2+.
Pflügers Archiv : European journal of physiology 2008;456(3):623-33.
2008: Luis Beaugé; Reinaldo DiPolo
Dual effect of Nai+ on Ca2+ influx through the Na+/Ca2+ exchanger in dialyzed squid axons. Experimental data confirming the validity of the squid axon kinetic model.
American journal of physiology. Cell physiology 2008;294(1):C118-25.
2007: Velia Posada; Luis Beaugé; Graciela Berberián
In bovine heart Na+/Ca2+ exchanger maximal Ca2+i affinity requires simultaneously high pHi and PtdIns-4,5-P2 binding to the carrier.
Annals of the New York Academy of Sciences 2007;1099():171-4.
2007: Graciela Berberián; Reinaldo DiPolo; Luis Beaugé
Some biochemical properties of the upregulation of the squid nerve Na+/Ca2+ exchanger by MgATP and phosphoarginine.
Annals of the New York Academy of Sciences 2007;1099():152-65.
2007: Reinaldo DiPolo; Luis Beaugé
The squid preparation as a general model for ionic and metabolic Na+/Ca2+ exchange interactions: physiopathological implications.
Annals of the New York Academy of Sciences 2007;1099():135-51.
2007: Velia Posada; Luis Beaugé; Graciela Berberián
Maximal Ca2+i stimulation of cardiac Na+/Ca2+ exchange requires simultaneous alkalinization and binding of PtdIns-4,5-P2 to the exchanger.
Biological chemistry 2007;388(3):281-8.
2006: Reinaldo DiPolo; Luis Beaugé
Sodium/calcium exchanger: influence of metabolic regulation on ion carrier interactions.
Physiological reviews 2006;86(1):155-203.
2005: Luis Beaugé; Reinaldo DiPolo
SEA-0400, a potent inhibitor of the Na+/Ca2+ exchanger, as a tool to study exchanger ionic and metabolic regulation.
American journal of physiology. Cell physiology 2005;288(6):C1374-80.
2004: Reinaldo DiPolo; Graciela Berberián; Luis Beaugé
Phosphoarginine regulation of the squid nerve Na+/Ca2+ exchanger: metabolic pathway and exchanger-ligand interactions different from those seen with ATP.
The Journal of physiology 2004;554(Pt 2):387-401.
2004: Shirley G Roberts; Graciela R Berberián; Luis Beaugé
[The enzyme H-ATPase of superior plants: a model for the comparative study of the type "P" ATPasas].
Revista de la Facultad de Ciencias Médicas (Córdoba, Argentina) 2004;61(1):54-60.
2003: Guillermo A Yudowski; Meirav Bar-Shimon; Daniel Tal; Rodolfo M González-Lebrero; Rolando C Rossi; Patricio J Garrahan; Luis Beaugé; Steven J D Karlish
Evidence for tryptophan residues in the cation transport path of the Na(+),K(+)-ATPase.
Biochemistry 2003;42(34):10212-22.
2003: Guillermo A Yudowski; M Bar Shimon; Rodolfo M González-Lebrero; Rolando C Rossi; Patricio J Garrahan; Steven J D Karlish; Luis Beaugé
Extracellularly applied Br-TITU inhibits the Na+/K+ pump by interacting with tryptophan at the entrance to the cation sites.
Annals of the New York Academy of Sciences 2003;986():287-9.
2002: Luis Beaugé; Carla Asteggiano; Graciela Berberián
Regulation of phosphatidylinositol-4,5-biphosphate bound to the bovine cardiac Na+/Ca2+ exchanger.
Annals of the New York Academy of Sciences 2002;976():288-99.
2002: Reinaldo DiPolo; Luis Beaugé
Intracellular ionic and metabolic regulation of squid nerve Na+/Ca2+ exchanger.
Annals of the New York Academy of Sciences 2002;976():224-36.
2002: Graciela Berberián; Carla Asteggiano; Cuong Pham; Shirley Roberts; Luis Beaugé
MgATP and phosphoinositides activate Na(+)/Ca(2+) exchange in bovine brain vesicles. Comparison with other Na(+)/Ca(2+) exchangers.
Pflügers Archiv : European journal of physiology 2002;444(5):677-84.
2002: Reinaldo DiPolo; Luis Beaugé
Ionic ligand interactions with the intracellular loop of the sodium-calcium exchanger. Modulation by ATP.
Progress in biophysics and molecular biology 2002;80(1-2):43-67.
2002: Reinaldo DiPolo; Luis Beaugé
MgATP counteracts intracellular proton inhibition of the sodium-calcium exchanger in dialysed squid axons.
The Journal of physiology 2002;539(Pt 3):791-803.
2001: Luis Beaugé
Breakdown of Na+/K+-exchanging ATPase phosphoenzymes formed from ATP and from inorganic phosphate during Na+-ATPase activity.
European journal of biochemistry / FEBS 2001;268(21):5627-32.
2001: Carla Asteggiano; Graciela Berberián; Luis Beaugé
Phosphatidyl inositol-4,5-bisphosphate bound to bovine cardiac Na+/Ca2+ exchanger displays a MgATP regulation similar to that of the exchange fluxes.
European journal of biochemistry / FEBS 2001;268(2):437-42.
2000: Luis Beaugé; M Siravegna; Graciela Berberián
Enzymatic synthesis of (32)P-labeled phosphoarginine.
Analytical biochemistry 2000;286(2):306-8.
2000: Reinaldo DiPolo; Graciela Berberián; Luis Beaugé
In squid nerves intracellular Mg(2+) promotes deactivation of the ATP-upregulated Na(+)/Ca(2+) exchanger.
American journal of physiology. Cell physiology 2000;279(5):C1631-9.
1999: Reinaldo DiPolo; Luis Beaugé
Metabolic pathways in the regulation of invertebrate and vertebrate Na+/Ca2+ exchange.
Biochimica et biophysica acta 1999;1422(1):57-71.
1998: Reinaldo DiPolo; Luis Beaugé
Differential up-regulation of Na+-Ca2+ exchange by phosphoarginine and ATP in dialysed squid axons.
The Journal of physiology 1998;507 ( Pt 3)():737-47.
1998: Graciela Berberián; C Hidalgo; Reinaldo DiPolo; Luis Beaugé
ATP stimulation of Na+/Ca2+ exchange in cardiac sarcolemmal vesicles.
The American journal of physiology 1998;274(3 Pt 1):C724-33.
1997: G Roberts; Luis Beaugé
Complex ATP-activation kinetics of plant H+-transporting ATPase may or may not require two substrate sites.
European journal of biochemistry / FEBS 1997;246(1):228-32.
1997: Reinaldo DiPolo; Graciela Berberián; D Delgado; Héctor Rojas; Luis Beaugé
A novel 13 kDa cytoplasmic soluble protein is required for the nucleotide (MgATP) modulation of the Na/Ca exchange in squid nerve fibers.
FEBS letters 1997;401(1):6-10.
1996: Graciela Berberián; Luis Beaugé
ATP stimulation of a Na+ gradient-dependent Ca2+ uptake in cardiac sarcolemmal vesicles.
Annals of the New York Academy of Sciences 1996;779():282-3.
1996: A Holgado; Luis Beaugé
Effects of external monovalent cations on Na(+)-Ca2+ exchange in cultured rat glial cells.
Annals of the New York Academy of Sciences 1996;779():279-81.
1996: Luis Beaugé; D Delgado; H Rojas; Graciela Berberián; Reinaldo DiPolo
A nerve cytosolic factor is required for MgATP stimulation of a Na+ gradient-dependent Ca2+ uptake in plasma membrane vesicles from squid optic nerve.
Annals of the New York Academy of Sciences 1996;779():208-16.
1996: Reinaldo DiPolo; Luis Beaugé
In squid axons phosphoarginine plays a key role in modulating Na-Ca exchange fluxes at micromolar [Ca2+]i.
Annals of the New York Academy of Sciences 1996;779():199-207.
1995: Reinaldo DiPolo; Luis Beaugé
Phosphoarginine stimulation of Na(+)-Ca2+ exchange in squid axons--a new pathway for metabolic regulation?
The Journal of physiology 1995;487 ( Pt 1)():57-66.
1995: A Holgado; Luis Beaugé
The Na(+)-Ca2+ exchange system in rat glial cells in culture: activation by external monovalent cations.
Glia 1995;14(2):77-86.
1994: Reinaldo DiPolo; Luis Beaugé
Effects of vanadate on MgATP stimulation of Na-Ca exchange support kinase-phosphatase modulation in squid axons.
The American journal of physiology 1994;266(5 Pt 1):C1382-91.
1993: Graciela Berberián; G Helguera; Luis Beaugé
ATP activation of plasma membrane yeast H(+)-ATPase shows complex kinetics independently of the degree of purification.
Biochimica et biophysica acta 1993;1153(2):283-8.
1993: Reinaldo DiPolo; Luis Beaugé
Effects of some metal-ATP complexes on Na(+)-Ca2+ exchange in internally dialysed squid axons.
The Journal of physiology 1993;462():71-86.
1993: Reinaldo DiPolo; Luis Beaugé
In squid axons the Ca2+i regulatory site of the Na+/Ca2+ exchanger is drastically modified by sulfhydryl blocking agents. Evidences that intracellular Ca2+i regulatory and transport sites are different.
Biochimica et biophysica acta 1993;1145(1):75-84.
1993: Reinaldo DiPolo; H Rojas; Luis Beaugé
[Regulation of the Na/Ca exchanger].
Acta científica venezolana 1993;44(2):103-10.
1992: M Campos; Luis Beaugé
Effects of magnesium and ATP on pre-steady-state phosphorylation kinetics of the Na+,K(+)-ATPase.
Biochimica et biophysica acta 1992;1105(1):51-60.
1992: Graciela Berberián; Luis Beaugé
Phosphatase activity and potassium transport in liposomes with Na+,K(+)-ATPase incorporated.
Biochimica et biophysica acta 1992;1103(1):85-93.
1991: G Roberts; Graciela Berberián; Luis Beaugé
Some properties of the H-ATPase activity present in root plasmalemma of Avena sativa L. Two different enzymes or one enzyme with two ATP sites?
Biochimica et biophysica acta 1991;1064(1):131-8.
1991: Graciela Berberián; Luis Beaugé
Phosphorylation of Na,K-ATPase by acetyl phosphate and inorganic phosphate. Sidedness of Na+, K+ and nucleotide interactions and related enzyme conformations.
Biochimica et biophysica acta 1991;1063(2):217-25.
1991: Luis Beaugé; Reinaldo DiPolo
Effects of monovalent cations on Na-Ca exchange in nerve cells.
Annals of the New York Academy of Sciences 1991;639():147-55.
1991: Reinaldo DiPolo; Luis Beaugé
Regulation of Na-Ca exchange. An overview.
Annals of the New York Academy of Sciences 1991;639():100-11.
1990: G Blanco; G Berberian; Luis Beaugé
Detection of a highly ouabain sensitive isoform of rat brainstem Na,K-ATPase.
Biochimica et biophysica acta 1990;1027(1):1-7.
1990: M Condrescu; H Rojas; A Gerardi; Reinaldo DiPolo; Luis Beaugé
In squid nerve fibers monovalent activating cations are not cotransported during Na+/Ca2+ exchange.
Biochimica et biophysica acta 1990;1024(1):198-202.
1990: Reinaldo DiPolo; Luis Beaugé
Asymmetrical properties of the Na-Ca exchanger in voltage-clamped, internally dialyzed squid axons under symmetrical ionic conditions.
The Journal of general physiology 1990;95(5):819-35.
1989: Reinaldo DiPolo; Luis Beaugé; H Rojas
In dialyzed squid axons Ca2+i activates Ca2+o-Na+i and Na+o-Na+i exchanges in the absence of Ca chelating agents.
Biochimica et biophysica acta 1989;978(2):328-32.
1989: Reinaldo DiPolo; Luis Beaugé
Asymmetrical properties of the Na-Ca exchanger in voltage clamped, internally dialyzed squid axons under symmetrical ionic conditions.
Acta physiologica Scandinavica. Supplementum 1989;582():14.
1988: Reinaldo DiPolo; Luis Beaugé
An ATP-dependent Na+/Mg2+ countertransport is the only mechanism for Mg extrusion in squid axons.
Biochimica et biophysica acta 1988;946(2):424-8.
1988: Reinaldo DiPolo; Luis Beaugé
Ca2+ transport in nerve fibers.
Biochimica et biophysica acta 1988;947(3):549-69.
1988: M Campos; Luis Beaugé
Binding of manganese ions to the Na+/K+-ATPase during phosphorylation by ATP.
Biochimica et biophysica acta 1988;944(2):242-8.
1988: M Campos; Graciela Berberián; Luis Beaugé
Phosphatase activity of Na+/K+-ATPase. Enzyme conformations from ligands interactions and Rb occlusion experiments.
Biochimica et biophysica acta 1988;940(1):43-50.
1988: M Campos; Graciela Berberián; Luis Beaugé
Some total and partial reactions of Na+/K+-ATPase using ATP and acetyl phosphate as a substrate.
Biochimica et biophysica acta 1988;938(1):7-16.
1988: G Blanco; Luis Beaugé
Pools of (Na+,K+)-ATPase isoforms in unborn and adult rats can be detected by their sensitivity to strophanthidin, but have similar reactivity to Na, K and ATP.
Progress in clinical and biological research 1988;268A():271-8.
1987: Reinaldo DiPolo; Luis Beaugé
The squid axon as a model for studying plasma membrane mechanisms for calcium regulation.
Hypertension 1987;10(5 Pt 2):I15-9.
1987: Reinaldo DiPolo; Luis Beaugé
Characterization of the reverse Na/Ca exchange in squid axons and its modulation by Cai and ATP. Cai-dependent Nai/Cao and Nai/Nao exchange modes.
The Journal of general physiology 1987;90(4):505-25.
1987: Reinaldo DiPolo; Luis Beaugé
In squid axons, ATP modulates Na+-Ca2+ exchange by a Ca2+i-dependent phosphorylation.
Biochimica et biophysica acta 1987;897(3):347-54.
1987: Reinaldo DiPolo; Luis Beaugé
Plasma membrane mechanisms for intracellular calcium regulation in squid axons.
Acta physiologica et pharmacologica latinoamericana : organo de la Asociación Latinoamericana de Ciencias Fisiológicas y de la Asociación Latinoamericana de Farmacología 1987;37(4):437-44.
1985: Graciela Berberián; Luis Beaugé
Phosphatase activity of (Na+ + K+)-ATPase. Ligand interactions and related enzyme forms.
Biochimica et biophysica acta 1985;821(1):17-29.
1984: Reinaldo DiPolo; Luis Beaugé
Interactions of physiological ligands with the Ca pump and Na/Ca exchange in squid axons.
The Journal of general physiology 1984;84(6):895-914.
1984: Luis Beaugé; Graciela Berberián; M Campos
Potassium-p-nitrophenyl phosphate interactions with (Na+ + K+)-ATPase. Their relevance to phosphatase activity.
Biochimica et biophysica acta 1984;773(1):157-64.
1984: Luis Beaugé; Graciela Berberián
Acetyl phosphate can act as a substrate for Na+ transport by (Na+ + K+)-ATPase.
Biochimica et biophysica acta 1984;772(3):411-4.
1983: Luis Beaugé; H Rojas; Reinaldo DiPolo
In squid axons intracellular Mg2+ is essential for ATP-dependent Na+ efflux in the absence and presence of strophanthidin.
Biochimica et biophysica acta 1983;728(3):463-6.
1983: Luis Beaugé; G Berberian
The effects of several ligands on the potassium-vanadate interaction in the inhibition of the (Na+ + K+)-ATPase and the Na+, K+ pump.
Biochimica et biophysica acta 1983;727(2):336-50.
1983: Reinaldo DiPolo; Luis Beaugé
The calcium pump and sodium-calcium exchange in squid axons.
Annual review of physiology 1983;45():313-24.
1982: Reinaldo DiPolo; Luis Beaugé
The effect of pH on Ca2+ extrusion mechanisms in dialyzed squid axons.
Biochimica et biophysica acta 1982;688(1):237-45.
1982: Reinaldo DiPolo; H Rojas; Luis Beaugé
Ca entry at rest and during prolonged depolarization in dialyzed squid axons.
Cell calcium 1982;3(1):19-41.
1981: Reinaldo DiPolo; Luis Beaugé
The effects of vanadate on calcium transport in dialyzed squid axons. Sidedness of vanadate-cation interactions.
Biochimica et biophysica acta 1981;645(2):229-36.
1981: Luis Beaugé; Reinaldo DiPolo; L Osses; F Barnola; M Campos
A (Ca2+, Mg2+)-ATPase activity in plasma membrane fragments isolated from squid nerves.
Biochimica et biophysica acta 1981;644(1):147-52.
1981: Luis Beaugé; Reinaldo DiPolo
An ATP-dependent sodium-sodium exchange in strophanthidin poisoned dialysed squid giant axons.
The Journal of physiology 1981;315():447-60.
1980: Reinaldo DiPolo; Luis Beaugé
A new internal perfusion method for transport studies in squid giant axons.
Biochimica et biophysica acta 1980;600(3):853-9.