Search Results - "MALNIC, G"

Maxi-K channels contribute to urinary potassium excretion in the ROMK-deficient mouse model of Type II Bartter's syndrome and in adaptation to a high-K diet by Bailey, M.A., Cantone, A., Yan, Q., MacGregor, G.G., Leng, Q., Amorim, J.B.O., Wang, T., Hebert, S.C., Giebisch, G., Malnic, G.

“…Type II Bartter's syndrome is a hereditary hypokalemic renal salt-wasting disorder caused by mutations in the ROMK channel (Kir1.1; Kcnj1), mediating potassium…”
Get full text

Genomic and nongenomic stimulatory effect of aldosterone on H+-ATPase in proximal S3 segments by Leite-Dellova, D C A, Malnic, G, Mello-Aires, M

“…The genomic and nongenomic effects of aldosterone on the intracellular pH recovery rate (pHirr) via H(+)-ATPase and on cytosolic free calcium concentration…”
Get more information

Changes in the activity and expression of protein phosphatase-1 accompany the differential regulation of NHE3 before and after the onset of hypertension in spontaneously hypertensive rats by Crajoinas, R. O., Pessoa, T. D., Rodrigues, M. V., Malnic, G., Girardi, A. C. C.

“…Aim The Na+/H+ exchanger NHE3 activity decreases in the proximal tubule of spontaneously hypertensive rats (SHRs) as blood pressure increases, and this…”
Get full text

Long-term regulation of vacuolar H+-ATPase by angiotensin II in proximal tubule cells by Carraro-Lacroix, L. R., Girardi, A. C. C., Malnic, G.

“…Long-term effects of angiotensin II (Ang II) on vacuolar H + -ATPase were studied in a SV40-transformed cell line derived from rat proximal tubules (IRPTC)…”
Get full text

Genomic and nongenomic dose-dependent biphasic effect of aldosterone on Na+/H+ exchanger in proximal S3 segment: role of cytosolic calcium by Leite-Dellova, D C A, Oliveira-Souza, M, Malnic, G, Mello-Aires, M

“…The effects of aldosterone on the intracellular pH recovery rate (pHirr) via Na+/H+ exchanger and on the [Ca2+]i were investigated in isolated rat S3 segment…”
Get more information

Physiological implications of the regulation of vacuolar H+-ATPase by chloride ions by Carraro-Lacroix, L R, Lessa, L M A, Fernandez, R, Malnic, G

“…Vacuolar H+-ATPase is a large multi-subunit protein that mediates ATP-driven vectorial H+ transport across the membranes. It is widely distributed and present…”
Get full text

Role of luminal anion and pH in distal tubule potassium secretion by Amorim, J B O, Bailey, M A, Musa-Aziz, R, Giebisch, G, Malnic, G

“…Potassium secretory flux (J(K)) by the distal nephron is regulated by systemic and luminal factors. In the present investigation, J(K) was measured with a…”
Get more information

Cell Biology of H+ Transport in Epithelia by Malnic, G

Get full text

Cl- and regulation of pH by MDCK-C11 cells by Tararthuch, A L, Fernandez, R, Malnic, G

“…The interaction between H(+) extrusion via H(+)-ATPase and Cl(-) conductance was studied in the C11 clone of MDCK cells, akin to the intercalated cells of the…”
Get full text

Effect of renoguanylin on hydrogen/bicarbonate ion transport in rat renal tubules by Lessa, L.M.A., Amorim, J.B.O., Fonteles, M.C., Malnic, G.

“…Renoguanylin (REN) is a recently described member of the guanylin family, which was first isolated from eels and is expressed in intestinal and specially…”
Get full text

Effect of chronic fish oil supplementation on renal function of normal and cachectic rats by Fernandez, R, Piechnik, J, Fabris, R, Malnic, G, Fernandes, L C

“…In the present study we determined the effect of chronic diet supplementation with n-3 PUFA on renal function of healthy and cachectic subjects by providing…”
Get full text

Cell pH and H(+) secretion by S3 segment of mammalian kidney: role of H(+)-ATPase and Cl(-) by Malnic, G, Geibel, J P

“…The role of H(+)-ATPase in proximal tubule cell pH regulation was studied by microperfusion techniques and by confocal microscopy. In a first series of…”
Get full text

H+ ATPase and Cl- interaction in regulation of MDCK cell pH by Fernández, R, Malnic, G

“…MDCK cells display several acid-base transport systems found in intercalated cells, such as Na+-H+ exchange, H+-K+ ATPase and Cl-/HCO-3 exchange. In this work…”
Get full text

Control of cell pH in the T84 colon cell line by Ramirez, M A, Toriano, R, Parisi, M, Malnic, G

“…Cell pH regulation was investigated in the T84 cell line derived from epithelial colon cancer. Cell pH was measured by ratiometric fluorescence microscopy…”
Get full text

Na+-independent proton secretion in MDCK-C11 cells by Fernandez, R, Oliveira-Souza, M, Malnic, G

“…In this work we studied the proton secretion mechanisms in recently cloned MDCK-C11 cells. We measured intracellular pH (pHi) in monolayers grown on permeable…”
Get full text

Chronic effect of parathyroid hormone on NHE3 expression in rat renal proximal tubules by Girardi, Adriana C.C., Titan, Silvia M.O., Malnic, Gerhard, Rebouças, Nancy A.

“…Chronic effect of parathyroid hormone on NHE3 expression in rat renal proximal tubules. The most abundant Na+/H+ exchanger in the apical membrane of proximal…”
Get full text

Factors affecting ammonium uptake by C11 clone of MDCK cells by Tararthuch, A L, Fernandez, R, Ramirez, M A, Malnic, G

“…In several tissues ammonium ions are able to use the transport pathways of other ions, particularly of K+. We investigated this possibility in the C11 clone of…”
Get full text

Renal bicarbonate reabsorption in the rat. IV: Bicarbonate transport mechanisms in the early and late distal tubule by WANG, T, MALNIC, G, GIEBISCH, G, CHAN, Y. L

“…Bicarbonate transport was studied in vivo by separate microperfusion experiments of early and late distal tubules. Total CO2 was measured by microcalorimetry…”
Get full text

Spontaneous water secretion in T84 cells: effects of STa enterotoxin, bumetanide, VIP, forskolin, and A-23187 by Toriano, R, Kierbel, A, Ramirez, M A, Malnic, G, Parisi, M

“…The regulated Cl(-) secretory apparatus of T84 cells responds to several pharmacological agents via different second messengers (Ca(2+), cAMP, cGMP). However,…”
Get more information

Permeation of NH3/NH4+ and cell pH in colonic crypts of the rat by Ramirez, M, Fernandez, R, Malnic, G

“…Colon cells are subjected to high concentrations of NH3 and NH4+, and a sizeable portion of this buffer is absorbed. The flux of these components into cells…”
Get full text