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Omar Pignataro

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Romina María Pagotto; Omar P Pignataro; Casandra Monzón; Marcos Besio Moreno; Carolina Mondillo
Proliferative effect of histamine on MA-10 Leydig tumor cells mediated through HRH2 activation, transient elevation in cAMP production, and increased extracellular signal-regulated kinase phosphorylation levels.
Mariela C Marazita; Marcelo Martí; M Florencia Ogara; Omar P Pignataro; Silvina V Sonzogni; Nelson J Dusetti; Eduardo T Cánepa
CDK2 and PKA mediated-sequential phosphorylation is critical for p19INK4d function in the DNA damage response.
Maximiliano Dasso; Roberto A Diez; Romina Pagotto; Omar P Pignataro; María E Sales
Effect of bitter compounds on amylase secretion in murine submandibular glands: Signaling pathway mechanisms.

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All Publications

2012: Romina María Pagotto; Omar P Pignataro; Casandra Monzón; Marcos Besio Moreno; Carolina Mondillo
Proliferative effect of histamine on MA-10 Leydig tumor cells mediated through HRH2 activation, transient elevation in cAMP production, and increased extracellular signal-regulated kinase phosphorylation levels.
Biology of reproduction 2012;87(6):150.
2012: Mariela C Marazita; Marcelo Martí; M Florencia Ogara; Omar P Pignataro; Silvina V Sonzogni; Nelson J Dusetti; Eduardo T Cánepa
CDK2 and PKA mediated-sequential phosphorylation is critical for p19INK4d function in the DNA damage response.
PloS one 2012;7(4):e35638.
2011: Maximiliano Dasso; Roberto A Diez; Romina Pagotto; Omar P Pignataro; María E Sales
Effect of bitter compounds on amylase secretion in murine submandibular glands: Signaling pathway mechanisms.
Biochimica et biophysica acta 2011;1810(12):1212-9.
2011: C Martinez Calejman; F Astort; J M Di Gruccio; Esteban Martín Repetto; M Mercau; Elian Giordanino; R Sanchez; Omar P Pignataro; Pablo Arias; Cora B Cymeryng
Lipopolysaccharide stimulates adrenal steroidogenesis in rodent cells by a NFκB-dependent mechanism involving COX-2 activation.
Molecular and cellular endocrinology 2011;337(1-2):1-6.
2009: Barbara Piotrkowski; Casandra M Monzón; Romina M Pagotto; Cecilia G Reche; Marcos Besio; Cora B Cymeryng; Omar P Pignataro
Effects of heme oxygenase isozymes on Leydig cells steroidogenesis.
The Journal of endocrinology 2009;203(1):155-65.
2009: F Astort; Esteban Martín Repetto; C Martínez Calejman; J M Cipelli; R Sánchez; J M Di Gruccio; M Mercau; Omar P Pignataro; Pablo Arias; Cora B Cymeryng
High glucose-induced changes in steroid production in adrenal cells.
Diabetes/metabolism research and reviews 2009;25(5):477-86.
2009: Carolina Mondillo; Romina María Pagotto; Bárbara Piotrkowski; Cecilia Gabriela Reche; Zoraida Judith Patrignani; Cora Beatriz Cymeryng; Omar P Pignataro
Involvement of nitric oxide synthase in the mechanism of histamine-induced inhibition of Leydig cell steroidogenesis via histamine receptor subtypes in Sprague-Dawley rats.
Biology of reproduction 2009;80(1):144-52.
2008: Eulalia de la Torre; Ana María Genaro; María L Ribeiro; Romina Pagotto; Omar P Pignataro; María E Sales
Proliferative actions of muscarinic receptors expressed in macrophages derived from normal and tumor bearing mice.
Biochimica et biophysica acta 2008;1782(2):82-9.
2007: N Grion; Esteban Martín Repetto; Yael Pomeraniec; C Martinez Calejman; F Astort; R Sanchez; Omar P Pignataro; Pablo Arias; Cora B Cymeryng
Induction of nitric oxide synthase and heme oxygenase activities by endotoxin in the rat adrenal cortex: involvement of both signaling systems in the modulation of ACTH-dependent steroid production.
The Journal of endocrinology 2007;194(1):11-20.
2007: María E Scassa; Mariela C Marazita; Julieta M Ceruti; Abel L Carcagno; Pablo F Sirkin; Marcela González-Cid; Omar P Pignataro; Eduardo T Cánepa
Cell cycle inhibitor, p19INK4d, promotes cell survival and decreases chromosomal aberrations after genotoxic insult due to enhanced DNA repair.
DNA repair 2007;6(5):626-38.
2007: Carolina Mondillo; András Falus; Omar P Pignataro; Erna Pap
Prolonged histamine deficiency in histidine decarboxylase gene knockout mice affects Leydig cell function.
Journal of andrology 2007;28(1):86-91.
2006: Verónica A Biron; M Mercedes Iglesias; María F Troncoso; Marcos Besio-Moreno; Zoraida J Patrignani; Omar P Pignataro; Carlota Wolfenstein-Todel
Galectin-1: biphasic growth regulation of Leydig tumor cells.
Glycobiology 2006;16(9):810-21.
2006: Esteban Martín Repetto; Vanesa Pannunzio; Francisco Astort; Camila Martinez Calejman; Marcos Besio Moreno; Omar P Pignataro; Cora B Cymeryng
Characterization of L-arginine transport in adrenal cells: effect of ACTH.
American journal of physiology. Endocrinology and metabolism 2006;291(2):E291-7.
2005: Carolina Mondillo; Zoraida J Patrignani; Cecilia Reche; Elena Rivera; Omar P Pignataro
Dual role of histamine in modulation of Leydig cell steroidogenesis via HRH1 and HRH2 receptor subtypes.
Biology of reproduction 2005;73(5):899-907.
2005: Mónica B Frungieri; Artur Mayerhofer; Karina Zitta; Omar P Pignataro; Ricardo S Calandra; Silvia I Gonzalez-Calvar
Direct effect of melatonin on Syrian hamster testes: melatonin subtype 1a receptors, inhibition of androgen production, and interaction with the local corticotropin-releasing hormone system.
Endocrinology 2005;146(3):1541-52.
2004: José M Sainz; Cecilia Reche; Miriam Rábano; Carolina Mondillo; Zoraida J Patrignani; José María Macarulla; Omar P Pignataro; Miguel Trueba
Effects of nitric oxide on aldosterone synthesis and nitric oxide synthase activity in glomerulosa cells from bovine adrenal gland.
Endocrine 2004;24(1):61-71.
2003: Astrid Chamson-Reig; Eleonora M Sorianello; Paolo N Catalano; Marina Fernandez; Omar P Pignataro; Carlos Libertun; Victoria A Lux-Lantos
Gonadotropin-releasing hormone signaling pathways in an experimental ovarian tumor.
Endocrinology 2003;144(7):2957-66.
2002: Lydia Puricelli; Cecilia J Proietti; Cecilia J Proiettii; Leticia Labriola; Mariana Salatino; Maria Balañá; Julio A Aguirre Ghiso; Ruth Lupu; Omar P Pignataro; Eduardo H Charreau; Elisa Bal de Kier Joffé; Patricia V Elizalde
Heregulin inhibits proliferation via ERKs and phosphatidyl-inositol 3-kinase activation but regulates urokinase plasminogen activator independently of these pathways in metastatic mammary tumor cells.
International journal of cancer. Journal international du cancer 2002;100(6):642-53.
2002: Mónica B Frungieri; Karina Zitta; Omar P Pignataro; Silvia I Gonzalez-Calvar; Ricardo S Calandra
Interactions between testicular serotoninergic, catecholaminergic, and corticotropin-releasing hormone systems modulating cAMP and testosterone production in the golden hamster.
Neuroendocrinology 2002;76(1):35-46.
2002: Xing Jia Wang; Matthew T Dyson; Carolina Mondillo; Zoraida J Patrignani; Omar P Pignataro; Douglas M Stocco
Interaction between arachidonic acid and cAMP signaling pathways enhances steroidogenesis and StAR gene expression in MA-10 Leydig tumor cells.
Molecular and cellular endocrinology 2002;188(1-2):55-63.
2001: Victoria A Lux-Lantos; Damasia Becú-Villalobos; M Bianchi; Estela B Rey-Roldán; Astrid Chamson-Reig; Omar P Pignataro; Carlos Libertun
GABA(B) receptors in anterior pituitary cells. Mechanism of action coupled to endocrine effects.
Neuroendocrinology 2001;73(5):334-43.
2000: AG Del Rio; Ana María Blanco; Omar P Pignataro; Hugo Niepomniszcze; Guillermo Juvenal; Mario A Pisarev
High-affinity binding of T3 to epididymis nuclei.
Archives of andrology 2000;44(3):187-91.
1999: Astrid Chamson-Reig; Omar P Pignataro; Carlos Libertun; Victoria A Lux-Lantos
Alterations in intracellular messengers mobilized by gonadotropin-releasing hormone in an experimental ovarian tumor.
Endocrinology 1999;140(8):3573-80.
1999: Stella Maris Vázquez; Omar P Pignataro; IA Luthy
Alpha2-adrenergic effect on human breast cancer MCF-7 cells.
Breast cancer research and treatment 1999;55(1):41-9.
1998: Claudia A Bertuccio; Fernando R Ibarra; Omar P Pignataro; J Toledo; Leonardo A Paz; Elvira E Arrizurieta; Rodolfo S Martin
Regulation of cell cyclic AMP in medullary thick ascending limb of Henle in a rat model of chronic renal failure.
Acta physiologica Scandinavica 1998;164(1):107-14.
1997: Laura V Bocanera; León Krawiec; D Silberschmidt; Omar P Pignataro; Guillermo Juvenal; LB Pregliasco; Mario A Pisarev
Role of cyclic 3'5' guanosine monophosphate and nitric oxide in the regulation of iodide uptake in calf thyroid cells.
The Journal of endocrinology 1997;155(3):451-7.
1997: K Del Punta; M E Sanchez-Ruiz; Omar P Pignataro
[Regulation of testicular steroidogenesis by nitric oxide].
Medicina 1997;57(3):337-40.
1996: K Del Punta; Eduardo H Charreau; Omar P Pignataro
Nitric oxide inhibits Leydig cell steroidogenesis.
Endocrinology 1996;137(12):5337-43.
1995: C Bertuccio; Fernando R Ibarra; Omar P Pignataro; J Toledo; Elvira E Arrizurieta; Rodolfo S Martín
Cellular adaptation of the rat medullary thick ascending limb to chronic renal failure.
Medicina 1995;55(4):329-33.
1995: E A Vladusic; Omar P Pignataro; L E Bussmann; Eduardo H Charreau
Regulation of the cholesterol ester cycle and progesterone synthesis by juvenile hormone in MA-10 Leydig tumor cells.
The Journal of steroid biochemistry and molecular biology 1995;52(1):83-90.
1984: Tomás Santa Coloma; H Martin Garraffo; Omar P Pignataro; Eduardo H Charreau; Eduardo G Gros
Biosynthesis of bufadienolides in toads. V. The origin of the cholesterol used by toad parotid glands for biosynthesis of bufadienolides.
Steroids 1984;44(1):11-22.
1984: J C Calvo; J P Radicella; Omar P Pignataro; Eduardo H Charreau
Effect of a second injection of human chorionic gonadotropin on the desensitized Leydig cells.
Molecular and cellular endocrinology 1984;34(1):31-8.
1983: Omar P Pignataro; J P Radicella; J C Calvo; Eduardo H Charreau
Mitochondrial biosynthesis of cholesterol in Leydig cells from rat testis.
Molecular and cellular endocrinology 1983;33(1):53-67.
1981: Eduardo H Charreau; J C Calvo; K Nozu; Omar P Pignataro; K J Catt; M L Dufau
Hormonal modulation of 3-hydroxy-3-methylglutaryl coenzyme A reductase activity in gonadotropin-stimulated and -desensitized testicular Leydig cells.
The Journal of biological chemistry 1981;256(24):12719-24.