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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 130 for “"tubule"”.
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Distal tubule bicarbonate reabsorption.
… bicarbonate reabsorption in the surface distal tubule of rats made acidotic by ammonium chloride treatment. During acute metabolic acidosis, the effects of sodium delivery, water reabsorption, inhibition of carbonic anhydrase, and addition of the anion channel blocker SITS were determined. In …
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EFFECTS OF CATECHOLAMINES ON RENAL CORTICAL TUBULE FUNCTION.
EFFECTS OF CATECHOLAMINES ON RENAL CORTICAL TUBULE FUNCTION.
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Adaptability of the distal convoluted tubule in magnesium homeostasis.
Contains fulltext : 127106.pdf (Publisher’s version ) (Open Access)
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Drosophila as a model for the Anopheles Malpighian tubule
The insect Malpighian tubule is involved in osmoregulation, detoxification and immune function, physiological processes which are essential for insect development and survival. As the Malpighian tubules contain many ion channels and transporters, they could be an effective tissue for targeting with …
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TUBULE DENSITY, MOISTURE CONTENT AND MECHANICAL PROPERTIES OF DONKEY HOOF HORN
… methods, normal values for moisture content, tubule density and mechanical properties for donkey hoof horn were established. Novel methods for investigating regional differences in these hoof horn parameters were also validated in this study. The protocols for, and calculations used in, …
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Mechanisms of Regulation of Proximal Tubule Sodium Transporters in Obesity-Induced Hypertension
… this study was to determine the role of proximal tubule transporters on the renal sodium handling in obese hypertensive (OP) and lean normotensive (OR) rats. An acute increase in renal perfusion pressure resulted in a blunted natriuretic response in OP vs. OR rats and indicated that increased …
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Acidification of Luminal Fluid by the Rabbit Cortical Collecting Tubule Studied in Vitro
… the ability of the rabbit cortical collecting tubule, studied in vitro, to acidify its luminal fluid. The antimony electrode was adapted to allow the continuous measurement of the pH of perfusion fluid as it exitted from the distal end of perfused nephron segments.
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Developmental Origins of Renal Connecting Tubule and Collecting Duct: Role of Aqp2+ Progenitor Cells
<p>The connecting tubule interconnects the nephron and collecting duct, which arise from kidney mesenchyme and the ureteric bud, respectively, to generate the functional tubular networks. The collecting duct is comprised of principal cells and intercalated cells, which bear different molecular …
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Role Of Type Ii Phosphatidylinositol 4-Kinases In Endosomal Tubule Dynamics During Melanosome Biogenesis
… molecular mechanisms by which BLOC-1 facilitates tubule formation are not entirely known, but several studies suggest that phosphatidylinositol-4-phosphate (PtdIns4P) and the type II PtdIns-4-kinases, PI4KIIα and PI4KIIβ, may play a role. Moreover, PI4KIIα and PI4KIIβ interact respectively with …
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Modulation of innate immunity by the cGMP signalling pathway in the drosophila malpighian tubule
… To do this, the Drosophila Malpighian (renal) tubule was used as a model system. The Malpighian tubule is a very well characterised, extensively studied epithelial tissue and for a number of years has comprised the model system of choice with regards to the study of the epithelial roles of …
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An electrophysiological study of ion transport across the isolated perfused malpighian tubule of Onymacris plana
… and electrical gradients across the Malpighian tubules of Onymacris plana is fundamental to the understanding of the transport mechanisms of fluid across the basolateral and apical membranes. Until now no one has investigated the isolated perfused Malpighian tubule of Onymacris plana and …
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Polyploidy and Mitotic Cell Death are Two Distinct HIV-1 Vpr-Driven Outcomes in Renal Tubule Epithelial Cells
… to viral proteins. Expression of Vpr in renal tubule epithelial cells (RTECs) induces G2 arrest, apoptosis and polyploidy. The ability of a subset of cells to overcome the G2/M block and progress to polyploidy is not well understood. Polyploidy frequently associates with a bypass of cell death …
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Effects of Doca(+ Deoxycorticosterone Acetate) and Amiloride on Sodium and Potassium Transport by the Isolated Cortical Collecting Tubule of Rabbit
Made available in DSpace on 2014-12-14T13:39:38Z (GMT). No. of bitstreams: 1 7624155.pdf: 3902358 bytes, checksum: 62b6ca409fbfaeb2e8c5ddef810c0744 (MD5) Previous issue date: 1976
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Non-selective, calcium-permeable channels in the apical membrane of rabbit renal tubules and in the basolateral membrane of human renal tubules : an exploratory patch clamp study
… membrane of various segments of rabbit renal tubules and in the basolateral membrane of human tubules, using the patch clamp technique. The rabbit tubule segments comprised proximal straight tubules (PST), thick ascending limbs (TAL), distal convoluted tubules (OCT), and cortical collecting …
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Functional Characterization of Amphiphysin in Drosophila melanogaster
… at the larval neuromuscular junction and the t-tubule membranes of muscles. amph mutants were viable and had normal synaptic transmission, results that were inconsistent with a role for Amph in SV endocytosis. However, amph mutants had impaired locomotion, which may reflect a defect in the …
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The interconnected roles of spastin and protrudin in endosomal sorting
Endosomal tubule fission is associated with endoplasmic reticulum (ER)-endosome membrane contact sites and several ER proteins are required for efficient endosomal tubule fission. Our lab has previously identified two hereditary spastic paraplegia (HSP)- associated proteins, spastin (SPG4) and …
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A ROLE FOR ANGIOTENSIN-(1-7) TO ATTENUATE ADVANCED GLYCATION END PRODUCT -INDUCED MYOFIBROBLAST TRANSITION IN THE NRK-52E RENAL PROXIMAL TUBULE CELL LINE
… to mesenchymal transition (EMT) of the proximal tubules cells. Advanced glycated end product (AGEs) including methylglyoxal-modified albumin (MGA) may contribute to the development and progression of diabetic nephropathy via activation of the receptors for AGE (RAGE) and the RAS. The RAS is …
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Studies on diuresis in the New Zealand earwig, Anisolabis littorea (White)
… some degree of dehydration. A Malpighian tubule bioassay preparation enabled the physiological activity of extracts of the terminal abdominal ganglia and pharmacologically actives substances to be monitored. Results obtained suggest that substances are present in the terminal abdominal …
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