Basolateral membrane
Basolateral membrane Na+/H+ antiport, Na+/base cotransport, and Na+ independent Cl /base exchange in the rabbit S3 proximal tubule
... of basolateral base efflux was mediated by a stilbene-sensitive Na+- independent Cl-/base exchange ...the basolateral membrane of the S3 proximal tubule differ from more proximal nephron ...
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Cellular heterogeneity of ammonium ion transport across the basolateral membrane of the hamster medullary thick ascending limb of Henle's loop
... The epithelia of the medullary thick ascending limb (MAL) consists of two cell types, high (HBC) and low basolateral conductance (LBC) cell, depending on the K+ conductance of the basolateral ...
9
Identification of a Basolateral Membrane Potassium Channel from Teleost Intestinal Epithelial Cells
... Single-channel current records from a basolateral membrane K+ channel in an excised, inside-out membrane patch bathed in 35 mmol I"1 K+ G35MES+0.5 2 +2 mmol I"1 Ca 2+ at Vm=0 and — 70mV[r] ...
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Preferential binding of vasoactive intestinal polypeptide to basolateral membrane of rat and rabbit enterocytes
... membranes of the rabbit ileum and rat jejunum was investigated. Specific binding of 125I- labeled VIP could be demonstrated only on the basolateral membrane and not on the brush border membrane. This ...
10
Calcium transport in canine renal basolateral membrane vesicles Effects of parathyroid hormone
... The effects of parathyroid hormone were studied on Ca2+ fluxes in canine renal proximal tubular basolateral membrane vesicles (BLMV). Efflux of Ca2+ from preloaded BLMV was found to be stimulated by an ...
11
Electrogenic sodium/bicarbonate cotransport in rabbit renal cortical basolateral membrane vesicles
... In the first experiment, we have identified an electrogenic cotransporter for bicarbonate and sodium in basolateral membrane vesicles from the rabbit renal cortex with the following find[r] ...
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Transintestinal Acetate Transport in a Herbivorous Teleost: Anion Exchange at the Basolateral Membrane
... A transintestinal transport model for volatile fatty acids is proposed in which specific anion antiporters, located on the brush-border and basolateral poles of the cell, exchange lumina[r] ...
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Decreased activity of folate transporters in lipid rafts resulted in reduced hepatic folate uptake in chronic alcoholism in rats
... Previous studies from our laboratory have shown the association of ethanol feeding with the folate malab- sorption in the absorptive tissues such as intestine, colon and kidney and have suggested decreased activity of ...
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Isolation of a novel aquaglyceroporin from a marine teleost (Sparus auratus): function and tissue distribution
... In man the duodenum and jejunum are the major sites of expression of AQP10, and these are also the sites for entrance and secretion of large volumes of water (Hatakeyama et al., 2001). A similar observation is made with ...
11
Cl absorption across the thick ascending limb is not altered in cystic fibrosis mice A role for a pseudo CFTR Cl channel
... Channel recording in cell-attached patches. Previous studies showed that the CTAL basolateral membrane contains a Cl 2 channel of z 9 pS. This channel is readily detected in the cell- attached configuration ...
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Functional characterization of a voltage gated anion channel from teleost fish intestinal epithelium
... Discussion The goby basolateral membrane union channel is unlike the Cl~ channel in other epithelia At least three pathways for chloride exit exist in the basolateral membrane of teleost[r] ...
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Intracellular chloride activities in canine tracheal epithelium Direct evidence for sodium coupled intracellular chloride accumulation in a chloride secreting epithelium
... the basolateral membrane under nonsecreting and secreting conditions at an activity ...apical membrane may be passive with an electrochemical driving force of 22 mV; and (c) stimulation of secretion ...
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Localization of the Blood Brain Barrier of an Insect: Electrical Model and Analysis
... The gradual depolarization of the basolateral membrane would be produced by the decreasing flow of current through the relatively high resistance of the basolateral membrane.. The differ[r] ...
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The Role of the Gp41 Membrane-Proximal Tyrosine Motif in Simian Immunodeficiency Virus Pathogenesis
... in membrane-proximal region of the envelope protein cytoplasmic tail domain is conserved across all primate ...the basolateral membrane in polarized cells, and its strict conservation implies that ...
217
Challenges and intriguing problems in comparative renal physiology
... the basolateral membrane is dependent on perfusion of the lumen with filtrate (or an appropriate substitute), (2) the basolateral membrane has a higher passive permeability to urate than the ...
8
Bestrophin 2 mediates bicarbonate transport by goblet cells in mouse colon
... Localization of Best2 in mouse and human colon. Frozen sections of paraformaldehyde-fixed mouse (A–F) and human (G and H) distal colon were stained with antibody against Best2 (green) and counter- stained with phalloidin ...
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Cellular bicarbonate protects rat duodenal mucosa from acid induced injury
... regulation following acute acid loading and in transep- ithelial bicarbonate secretion, we immunolocalized NBC1 protein variants in rat duodenum. For this pur- pose, rabbit affinity-purified polyclonal Ab’s were raised ...
11
Ischemia induced loss of epithelial polarity Role of the tight junction
... of basolateral membrane domain-specific lipids and NaK-ATPase into the apical membrane ...of membrane components into the alternate surface membrane ...
7
Section specific H+ flux in renal tubules of fasted and fed goldfish
... the basolateral membrane of A-type intercalated cells in the collecting duct, whereas pendrin (SLC26A4) is found in the apical membrane of the proximal tubule and B-type intercalated cells of the ...
8
Selective response of human airway epithelia to luminal but not serosal solution hypertonicity Possible role for proximal airway epithelia as an osmolality transducer
... apical membrane water permeability exceeding that of the basolateral membrane; (b) the cellular response to volume loss is a deactivation of the basolateral membrane K+ conductance and ...
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