Search Results - "Carra, Graciela E"
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The effects of amiloride and age on oxygen consumption coupled to electrogenic sodium transport in the human sigmoid colon
Published in Saudi journal of gastroenterology (01-09-2015)“…Aerobic metabolism is necessary for ion transport in many transporting epithelia, including the human colonic epithelium. We assessed the effects of the…”
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The Effect of Acute Hypoxia on Short-Circuit Current and Epithelial Resistivity in Biopsies from Human Colon
Published in Digestive diseases and sciences (01-09-2013)“…Background and Aims In isolated colonic mucosa, decreases in short-circuit current ( I SC ) and transepithelial resistivity ( R TE ) occur when hypoxia is…”
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3
Rectification of oxygen transfer through the rat colonic epithelium
Published in World journal of gastrointestinal pathophysiology (15-05-2017)“…AIM To assess whether higher sensitivity of colonic epithelium to hypoxia at the serosal side is associated with oxygen transfer asymmetry.METHODS Rats were…”
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Electrogenic transport, oxygen consumption, and sensitivity to acute hypoxia of human colonic epithelium
Published in International journal of colorectal disease (01-09-2011)“…Introduction It is recognized that epithelial ion transport depends on oxygen supply, but this dependence has not been characterized in the human colon in…”
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Aldosterone increases oxygen consumption of rectal epithelia of normal, sodium-deprived and sodiumloaded rats
Published in Acta gastroenterologica latinoamericana (01-09-2015)“…The colonic epithelium is a classical aldosterone target, but the effect of the hormone on the oxygen consumption rate (QO2 ) of this tissue is unknown…”
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Effects of Chronic Hypoxia on Electrogenic Transport and Transport-related Oxygen Consumption in Rat Distal Colon
Published in Digestive diseases and sciences (01-06-2008)“…The distal colon epithelium of rats submitted to chronic hypoxia shows higher short-circuit current ( I sc ) which, unlike non-hypoxic rat epithelium, has an…”
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Oxygen consumption and chloride secretion in rat distal colon isolated mucosa
Published in Digestive diseases and sciences (01-09-2003)“…The aerobic metabolic cost of chloride secretion was studied in rat distal colon isolated mucosa under several conditions by simultaneous measurement of…”
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Indomethacin reduces short-circuit current and oxygen consumption in normal and chronically hypoxic rat colon
Published in Acta gastroenterologica latinoamericana (01-09-2006)“…Chronic hypobaric hypoxia is a physiological environmental stressor. While its effects on most major organ systems have been extensively studied, few works…”
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Increased oxygen consumption caused by cAMP- and Ca(2+)-mediated chloride secretion in rat distal colon
Published in Acta gastroenterologica latinoamericana (2005)“…Epithelial ion transport is dependent on ATP supply provided by aerobic metabolism. In the rat distal colon chloride secretion accounts for the largest portion…”
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Chronic hypobaric hypoxia effects on rat colon in vitro sensitivity to acute hypoxia and amiloride
Published in Digestive diseases and sciences (01-05-2002)“…Chronic hypoxia induces many physiological changes, but little is known about its effects on colonic epithelial function. Isolated distal colon mucosa from…”
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Pharmacological suppression of rat distal colon chloride secretion requires two blockers
Published in Acta gastroenterologica latinoamericana (2003)“…Rat distal colon epithelium is frequently employed to assess the effect of natural and synthetic chemicals on chloride secretion. Inhibition of chloride…”
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Rat colon epithelium response to hypoxia is modified by intrinsic innervation blockade
Published in Acta gastroenterologica latinoamericana (1997)“…Short-circuit current (Isc) and transepithelial potential difference (PD) of rat distal colon decrease during acute hypoxia and overshoot on reoxygenation. It…”
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Aldosterone increases oxygen consumption of rectal epithelia of normal, sodium-deprived and sodiumloaded rats
Published in Acta gastroenterologica latinoamericana (01-01-2015)“…Introducción. El colon es un blanco clásico de la aldosterona, pero su efecto sobre el consumo de oxígeno (QO2) del epitelio se desconoce. Objetivos. Evaluar…”
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Oxygen diffusive barriers of rat distal colon : Role of subepithelial tissue, mucosa, and mucus gel layer
Published in Digestive diseases and sciences (01-11-2000)“…The contributions of subepithelial tissue, mucosa, and mucus gel layer as restraints for oxygen diffusion in rat distal colon in vitro were assessed by…”
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15
Indomethacin reduces short-circuit current and oxygen consumption in normal and chronically hypoxic rat colon
Published in Acta gastroenterologica latinoamericana (01-01-2006)“…La hipoxia hipobárica crónica es un estresante ambiental fisiológico. Aunque sus efectos se han estudiado en la mayoría de los sistemas orgánicos, hay pocos…”
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Increased oxygen consumption caused by cAMP- and Ca2+-mediated chloride secretion in rat distal colon
Published in Acta gastroenterologica latinoamericana (01-01-2005)“…El transporte iónico epitelial exige aporte de ATP provisto por el metabolismo aeróbico. En el colon distal de rata, la secreción de cloruro explica la mayor…”
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