Search Results - "Bull, Paulina"

Differential role of extracellular histidines in copper, zinc, magnesium and proton modulation of the P2X7 purinergic receptor by Acuña‐Castillo, Claudio, Coddou, Claudio, Bull, Paulina, Brito, Jocelyn, Huidobro‐Toro, J. Pablo

“…The P2X7 receptor is a non‐selective cationic channel activated by extracellular ATP, belonging to the P2X receptor family. To assess the role of extracellular…”
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Synaptic Clustering of PSD-95 Is Regulated by c-Abl through Tyrosine Phosphorylation by de Arce, Karen Perez, Varela-Nallar, Lorena, Farias, Olivia, Cifuentes, Alejandra, Bull, Paulina, Couch, Brian A, Koleske, Anthony J, Inestrosa, Nibaldo C, Alvarez, Alejandra R

“…The c-Abl tyrosine kinase is present in mouse brain synapses, but its precise synaptic function is unknown. We found that c-Abl levels in the rat hippocampus…”
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The copper-dependent ACE1 transcription factor activates the transcription of the mco1 gene from the basidiomycete Phanerochaete chrysosporium by Canessa, Paulo, Alvarez, Jose Miguel, Polanco, Ruben, Bull, Paulina, Vicuna, Rafael

“…Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile and Instituto Milenio de Biología…”
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The PcACE1 transcription factor from Phanerochaete chrysosporium contains a Cys- and Ser-rich transactivation domain by Barham, Feiruz, Roman, Patricia, Bull, Paulina

“…Transcription factor Ace1 from Saccharomyces cerevisiae regulates the expression of target genes when the copper concentration reaches 200 ìÌ levels. We are…”
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Dissecting the Facilitator and Inhibitor Allosteric Metal Sites of the P2X4 Receptor Channel by Coddou, Claudio, Acuña-Castillo, Claudio, Bull, Paulina, Huidobro-Toro, J. Pablo

“…Zinc and copper are atypical modulators of ligand-gated ionic channels in the central nervous system. We sought to identify the amino acids of the rat P2X4…”
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Apical Sorting of Hepatitis B Surface Antigen (HBsAg) is Independent of N-Glycosylation and Glycosylphosphatidylinositol-Anchored Protein Segregation by Marzolo, María Paz, Bull, Paulina, González, Alfonso

“…We have used the hepatitis B surface antigen (HBsAg) as a tool to explore mechanisms by which polarized epithelial cells address specific proteins to their…”
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Histidine 140 Plays a Key Role in the Inhibitory Modulation of the P2X4 Nucleotide Receptor by Copper but Not Zinc by Coddou, Claudio, Morales, Bernardo, González, Jorge, Grauso, Marta, Gordillo, Felipe, Bull, Paulina, Rassendren, Francois, Huidobro-Toro, J.Pablo

“…To elucidate the role of extracellular histidines in the modulation of the rat P2X4 receptor by trace metals, we generated single, double, and triple histidine…”
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The xylanolytic enzyme system from the genus Penicillium by Chávez, Renato, Bull, Paulina, Eyzaguirre, Jaime

“…In nature, there are numerous microorganisms that efficiently degrade xylan, a major component of lignocellulose. In particular, filamentous fungi have…”
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The acetyl xylan esterase II gene from Penicillium purpurogenum is differentially expressed in several carbon sources, and tightly regulated by pH by Chávez, Renato, Schachter, Karen, Navarro, Claudio, Peirano, Alessandra, Bull, Paulina, Eyzaguirre, Jaime

“…The expression of the acetyl xylan esterase II (axeII) gene from Penicillium purpurogenum is repressed by glucose and induced by xylan, as well as to a small…”
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Structure analysis of the endoxylanase A gene from penicillium purpurogenum by Chávez, R, Almarza, C, Schachter, K, Peirano, A, Bull, P, Eyzaguirre, J

“…Penicillium purpurogenum produces several endoxylanases, two of which (XynA and XynB) have been purified and characterized. XynB has been sequenced, and it…”
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4‐Bromo‐2,5‐dimethoxyphenethylamine (2C‐B) and structurally related phenylethylamines are potent 5‐HT 2A receptor antagonists in Xenopus laevis oocytes by Villalobos, Claudio A, Bull, Paulina, Sáez, Patricio, Cassels, Bruce K, Huidobro‐Toro, J Pablo

“…We recently described that several 2‐(2,5‐dimethoxy‐4‐substituted phenyl)ethylamines (PEAs), including 4‐I=2C‐I, 4‐Br=2C‐B, and 4‐CH 3 =2C‐D analogs, are…”
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Galectin-8 binds specific β1 integrins and induces polarized spreading highlighted by asymmetric lamellipodia in Jurkat T cells by Cárcamo, Claudia, Pardo, Evelyn, Oyanadel, Claudia, Bravo-Zehnder, Marcela, Bull, Paulina, Cáceres, Mónica, Martínez, Jorge, Massardo, Loreto, Jacobelli, Sergio, González, Alfonso, Soza, Andrea

“…Integrin-mediated encounters of T cells with extracellular cues lead these cells to adhere to a variety of substrates and acquire a spread phenotype needed for…”
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Dissecting the Facilitator and Inhibitor Allosteric Metal Sites of the P2X sub(4) Receptor Channel: CRITICAL ROLES OF CYS super(132) FOR ZINC POTENTIATION AND ASP super(138) FOR COPPER INHIBITION by Coddou, Claudio, Acuna-Castillo, Claudio, Bull, Paulina, Huidobro-Toro, JPablo

“…Zinc and copper are atypical modulators of ligand-gated ionic channels in the central nervous system. We sought to identify the amino acids of the rat P2X…”
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Dissecting the Facilitator and Inhibitor Allosteric Metal Sites of the P2X₄ Receptor Channel: CRITICAL ROLES OF CYS¹³² FOR ZINC POTENTIATION AND ASP¹³⁸ FOR COPPER INHIBITION by Coddou, Claudio, Acuña-Castillo, Claudio, Bull, Paulina, Huidobro-Toro, J. Pablo

“…Zinc and copper are atypical modulators of ligand-gated ionic channels in the central nervous system. We sought to identify the amino acids of the rat P2X₄…”
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Reactive Oxygen Species Potentiate the P2X 2 Receptor Activity through Intracellular Cys 430 by Coddou, Claudio, Codocedo, Juan F., Li, Shuo, Lillo, Juan G., Acuña-Castillo, Claudio, Bull, Paulina, Stojilkovic, Stanko S., Huidobro-Toro, J. Pablo

“…P2X receptor channels (P2XRs) are allosterically modulated by several compounds, mainly acting at the ectodomain of the receptor. Like copper, mercury, a metal…”
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half-life of the T-cell receptor/peptide-major histocompatibility complex interaction can modulate T-cell activation in response to bacterial challenge by Carreño, Leandro J, Bueno, Susan M, Bull, Paulina, Nathenson, Stanley G, Kalergis, Alexis M

“…T-cell activation results from engagement of the T-cell receptor (TCR) by cognate peptide-major histocompatibility complex (pMHC) complexes on the surface of…”
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Production of a heterologous recombinant protein using fragments of the glyceraldehyde-3-phosphate dehydrogenase promoter from Penicillium camemberti by Espinosa, Yeison, Trebotich, Jovanka, Sepúlveda, Francisco, Cadena, Jeisson, Vargas-Straube, María-José, Vaca, Inmaculada, Bull, Paulina, Levicán, Gloria, Chávez, Renato

“…The biotechnological applications of cheese-ripening fungi have been limited by a lack of genetics tools, in particular the identification and characterization…”
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Extracellular histidine residues identify common structural determinants in the copper/zinc P2X2 receptor modulation by Lorca, Ramón A., Coddou, Claudio, Gazitúa, M. Consuelo, Bull, Paulina, Arredondo, Cristián, Huidobro‐Toro, J. Pablo

“…To assess the mechanism of P2X2 receptor modulation by transition metals, the cDNA for the wild‐type receptor was injected to Xenopus laevis oocytes and…”
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Differential role of extracellular histidines in copper, zinc, magnesium and proton modulation of the P2X 7 purinergic receptor by Acuña‐Castillo, Claudio, Coddou, Claudio, Bull, Paulina, Brito, Jocelyn, Huidobro‐Toro, J. Pablo

“…The P2X 7 receptor is a non‐selective cationic channel activated by extracellular ATP, belonging to the P2X receptor family. To assess the role of…”
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Reactive Oxygen Species Potentiate the P2X2 Receptor Activity through Intracellular Cys430 by Coddou, Claudio, Codocedo, Juan F, Li, Shuo, Lillo, Juan G, Acuna-Castillo, Claudio, Bull, Paulina, Stojilkovic, Stanko S, Huidobro-Toro, J. Pablo

“…P2X receptor channels (P2XRs) are allosterically modulated by several compounds, mainly acting at the ectodomain of the receptor. Like copper, mercury, a metal…”
Get full text