distal tubule
Response of the Distal Tubule and Cortical Collecting Duct to Vasopressin in the Rat
... “distal tubule” (defined by the micropuncturist as that portion of the renal tubule extending between the macula densa and its first junction with another (renal tubule) may be responsive to ...
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Endogenous endothelins mediate increased distal tubule acidification induced by dietary acid in rats
... accessible distal tubules as described (16). This distal nephron segment is comprised of multiple epithelia (17) but we will hereafter refer to it as the “distal tubule” for ...simplicity. ...
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Luminal chloride modulates rat distal tubule bidirectional bicarbonate flux in vivo
... on distal tubule bicarbonate transport were studied in vivo in normally fed rats, overnight-fasted rats, and rats made mildly alkalotic by administration of desoxycorticosterone acetate ...same ...
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Distal tubule bicarbonate accumulation in vivo Effect of flow and transtubular bicarbonate gradients
... Accordingly: distal tubule tCO2 entry is demonstrable in both alkalotic and normal rats at high flow rates; increasing perfusate tCO2 concentration can suppress tCO2 entry; and entry can occur in the ...
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Micropuncture study of hypertonic mannitol diuresis in the proximal and distal tubule of the dog kidney
... in tubule fluid to plasma (TF:P) inulin ratios in both the proximal tubule ...and distal tubule ...0.98). Distal TF:P sodium ratios, in contrast, rose significantly ...proximal ...
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Increased sodium reabsorption in the proximal and distal tubule of caval dogs
... the distal tubule produced by this agent in caval ...fractional distal sodium load was significantly smaller in caval dogs during water diuresis and could not ...
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Evidence for enhanced distal tubule sodium reabsorption in chronic salt depleted dogs
... However, it seems clear from the present experiments that even when enhanced sodium reabsorption in the proximal tubule of chronic salt-depleted dogs is partially overcome by progressive[r] ...
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Renal bicarbonate reabsorption in the rat II Distal tubule load dependence and effect of hypokalemia
... load. Distal bicarbonate reabsorption increased in K-depleted ...early distal bicarbonate loads (481 +/- 40 pmol/min in controls and 444 +/- 50 pmol/min in K depletion), distal bicarbonate ...
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An in vivo microperfusion study of distal tubule bicarbonate reabsorption in normal and ammonium chloride rats
... For many years it has been thought that distal nephron hydrogen ion secretion can be importantly modulated by factors such as sodium delivery, sodium avidity, and potassium stores. Free flow micropuncture studies ...
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Combined Treatment of Severe Hyponatremia Due to Inappropriate Antidiuretic Hormone Secretion
... The rationale of adding DOCA to the classic treat- ment regimen of hypertonic saline and furosemide in acute hazardous SIADH is to improve sodium reabsorption in the distal tubule. This [r] ...
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Localization of proliferating cell nuclear antigen, vimentin, c Fos, and clusterin in the postischemic kidney Evidence for a heterogenous genetic response among nephron segments, and a large pool of mitotically active and dedifferentiated cells
... prominently expressed in the S3 segment 2-5 d postischemia. In the S3 segments in the outer stripe of the medulla cells that stained positively for PCNA also stained positively for vimentin. Clusterin, a marker for cell ...
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The Notch effector HRT1 gene plays a role in glomerular development and patterning of the Xenopus pronephros anlagen
... suppressing tubule and duct gene expression (Carroll and Vize, 1996; Wallingford et ...the distal tubule and duct compartments (Van Campenhout et ...and distal tubule differentiation in ...
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Renal bicarbonate reabsorption in the rat I Effects of hypokalemia and carbonic anhydrase
... and distal tubules to assess the participation of different nephron segments in bicarbonate ...the distal tubule, and micro-calorimetric methods used to quantitate bicarbonate ...
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Potentiation of tubuloglomerular feedback in the rat by thromboxane mimetic Role of macula densa
... the distal tubule (macula densa function intact), whereas the SNGFR measured from the proximal tubule (macula densa function interrupted) was not changed ...
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Effect of carbonic anhydrase inhibition on superficial and deep nephron bicarbonate reabsorption in the rat
... acetazolamide occurred in the superficial and deep loop of Henle and between the distal tubule and base collecting duct. Because water reabsorption in these segments could serve to generate transepithelial ...
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Cortical and Papillary Micropuncture Examination of Chloride Transport in Segments of the Rat Kidney during Inhibition of Prostaglandin Production: POSSIBLE ROLE FOR PROSTAGLANDINS IN THE CHLORURESIS OF ACUTE VOLUME EXPANSION
... decreased the urinary excretion rate of prostaglandins E 2 and F 2a . Clearance studies on the intact right kidney demonstrated no effect of either agent on glomerular filtration rate, but a significant reduction in ...
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Direct measurement of papillary collecting duct sodium transport in the rat Evidence for heterogeneity of nephron function during Ringer loading
... hyperoncotic albumin loading by comparing the delivery of sodium to the end of the distal tubule of superficial nephrons with papillary base delivery. During hydropenia (n = 14), sodium delivery to the base ...
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Revised 44_Lecture_Presentation_PC.ppt
... from renal artery Glomerulus Bowman’s capsule Proximal tubule Peritubular capillaries Distal tubule Efferent arteriole from glomerulus Collecting duct Branch of renal vein Vasa recta De[r] ...
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Search | Preprints
... proximal tubule, the distal tubule and the ...proximal tubule, primarily responsible for the recovery of filtered substances and reabsorption of salts, is expressing members from the SLC1, ...
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Negative regulators of sodium transport in the kidney: Key factors in understanding salt sensitive hypertension?
... the distal nephron (Table 1). The distal nephron (Figure 1) is composed of the distal convoluted tubule, the connecting tubule and various segments of the collecting ...the ...
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