Search Results - "Porras, O H"

ATP steal between cation pumps: a mechanism linking Na+ influx to the onset of necrotic Ca2+ overload by Castro, J, Ruminot, I, Porras, O H, Flores, C M, Hermosilla, T, Verdugo, E, Venegas, F, Härtel, S, Michea, L, Barros, L F

“…We set out to identify molecular mechanisms underlying the onset of necrotic Ca(2+) overload, triggered in two epithelial cell lines by oxidative stress or…”
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Cytosolic [Ca2+] modulates basal GLUT1 activity and plays a permissive role in its activation by metabolic stress and insulin in rat epithelial cells by Quintanilla, R.A., Porras, O.H., Castro, J., Barros, L.F.

“…The aim of this work was to investigate the role of cytosolic free calcium ([Ca2+]c) in the stimulation of GLUT1 by metabolic stress and insulin. Chelation of…”
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Hyperosmotic shock induces both activation and translocation of glucose transporters in mammalian cells by Barros, L F, Barnes, K, Ingram, J C, Castro, J, Porras, O H, Baldwin, S A

“…The effect of osmotic stress on sugar transport was investigated in Clone 9 epithelial cells, which express the glucose uniporter GLUT1, and in 3T3-L1…”
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ATP steal between cation pumps: a mechanism linking Na influx to the onset of necrotic Ca overload

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Glutamate Triggers Rapid Glucose Transport Stimulation in Astrocytes as Evidenced by Real-Time Confocal Microscopy by Loaiza, Anitsi, Porras, Omar H, Barros, Luis Felipe

“…Glutamate stimulates glycolysis in astrocytes, a phenomenon that couples astrocytic metabolism with neuronal activity. However, it is not known whether…”
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Glutamate Mediates Acute Glucose Transport Inhibition in Hippocampal Neurons by Porras, Omar H, Loaiza, Anitsi, Barros, L. Felipe

“…Although it is known that brain activity is fueled by glucose, the identity of the cell type that preferentially metabolizes the sugar remains elusive. To…”
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Activation of GLUT1 by metabolic and osmotic stress: potential involvement of AMP-activated protein kinase (AMPK) by Barnes, Kay, Ingram, Jean C, Porras, Omar H, Barros, L Felipe, Hudson, Emma R, Fryer, Lee G D, Foufelle, Fabienne, Carling, David, Hardie, D Grahame, Baldwin, Stephen A

“…In the rat liver epithelial cell line Clone 9, the V(max) for glucose uptake is acutely increased by inhibition of oxidative phosphorylation and by osmotic…”
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Why glucose transport in the brain matters for PET by Barros, L. Felipe, Porras, Omar H., Bittner, Carla X.

“…Neuronal activity is fueled by glucose metabolism, a phenomenon exploited in basic research and clinical diagnosis using fluorodeoxyglucose positron emission…”
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ATP steal between cation pumps: a mechanism linking Na super(+) influx to the onset of necrotic Ca super(2+) overload by Castro, J, Ruminot, I, Porras, OH, Flores, C M, Hermosilla, T, Verdugo, E, Venegas, F, Hartel, S, Michea, L, Barros, L F

“…We set out to identify molecular mechanisms underlying the onset of necrotic Ca super(2+) overload, triggered in two epithelial cell lines by oxidative stress…”
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