Renal Collecting Tubules
Mostrando 1-12 de 64 artigos, teses e dissertações.
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1. Development of the urinary system in guinea pig females (Cavia porcellus)
RESUMO: Os porquinhos-da-índia são modelos animais amplamente utilizados em pesquisas relacionadas a biologia do desenvolvimento. O objetivo deste trabalho foi demonstrar o processo de formação e diferenciação dos órgãos urinários em fêmeas da espécie no período pré-natal. Foram utilizadas quatro fêmeas aos 25, 30, 45 e >65 DG (dias de gestaç�
Pesq. Vet. Bras.. Publicado em: 30/09/2019
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2. Molecular identification and histological aspects of Renicola sloanei (Digenea: Renicolidae) in Puffinus puffinus (Procellariiformes): a first record
Resumo Renicolídeos são parasitos que habitam túbulos renais e ureteres de aves que se alimentam de moluscos e peixes. Puffinus puffinus, ave marinha migratória, foi registrada como hospedeiro definitivo de Renicola spp. Estudos relacionados com as espécies de renicolídeos e as lesões renais resultantes são importantes para o entendimento das causas
Rev. Bras. Parasitol. Vet.. Publicado em: 29/08/2019
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3. Renal Dose Dopamine Mediates the Level of Aquaporin-2 Water Channel (Aqp2) in Broiler Chickens
ABSTRACT Aquaporin 2 (AQP2) is a small protein located in the collecting tubules of kidneys; it plays an important role in the concentration and production of urine. The aim of this study was to determine the expression level of the AQP2 gene in the kidney of broiler chickens after the administration of renaldose dopamine. Broiler chickens (25 days-old) were
Rev. Bras. Cienc. Avic.. Publicado em: 2017-09
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4. Role of 11β-hydroxysteroid dehydrogenase 2 renal activity in potassium homeostasis in rats with chronic renal failure
Aldosterone concentrations vary in advanced chronic renal failure (CRF). The isozyme 11β-hydroxysteroid dehydrogenase 2 (11β-HSD2), which confers aldosterone specificity for mineralocorticoid receptors in distal tubules and collecting ducts, has been reported to be decreased or normal in patients with renal diseases. Our objective was to determine the role
Brazilian Journal of Medical and Biological Research. Publicado em: 2010-01
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5. Efeito da carbamazepina na reabsorção de água pelo ducto coletor medular interno de ratos normais e de ratos com diabetes insípido nefrogênico induzido pelo lítio / Effect of carbamazepine on water absorption in the inner medullary collecting duct from normal rats and from rats with lithium-induced diabetes insipidus
Carbamazepine (Carba) is an anticonvulsant and a psychotropic medication commonly used in the treatment of patients with intellectual disability (ID). This drug has been used to try to decrease the urinary volume in Diabetes Insipidus (DI) because Carba presents an antidiuretic effect, but the incidence of the hyponatremia in neurological patients is a commo
Publicado em: 2010
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6. Carcinoma renal dos ductos de Bellini
Two types primary epithelial tumours of the kidney have been distinguished, such as renal cell carcinoma (hypernephroma or Grawitz) deriving from proximal tubules and carcinoma arising in the urothelium of the kidney's collecting system. Mancilla-Jimenez e cols were the first to describe in 1976 an atypical papillary carcinoma of the kidney deriving from col
Revista do Colégio Brasileiro de Cirurgiões. Publicado em: 2002-06
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7. Effects of vasopressin antagonist on vasopressin binding, adenylate cyclase activation, and water flux.
We studied the effect of an arginine vasopressin (AVP) analogue, (1-[beta-mercapto-beta, beta-cyclopentamethylenepropionic acid],2-O-ethyltyrosine, 4-valine)AVP(d[CH2]5Tyr[Et]VAVP), on the stimulation of adenylate cyclase by various hormones in the isolated nephron segments and 3H-AVP binding to renal papillary membranes from the rat. The net water flux acro
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8. The nature of transtubular Na and K transport in isolated rabbit renal collecting tubules
In order to investigate the mechanism of Na and K transport, rabbit cortical collecting tubules were perfused in vitro and the concentrations of Na and K in lumen and bathing fluid and the transtubular electrical potential difference (PD) were measured.
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9. β1-Integrin is required for kidney collecting duct morphogenesis and maintenance of renal function
Deletion of integrin-β1 (Itgb1) in the kidney collecting system led to progressive renal dysfunction and polyuria. The defect in the concentrating ability of the kidney was concomitant with decreased medullary collecting duct expression of aquaporin-2 and arginine vasopressin receptor 2, while histological examination revealed hypoplastic renal medullary co
American Physiological Society.
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10. Response of the Distal Tubule and Cortical Collecting Duct to Vasopressin in the Rat
Renal micropuncture observations in the rat suggest that the entire “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 vasopressin. However, this portion of the renal tubule contains two segments that are morphologic
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11. Bicarbonate Secretion by Rabbit Cortical Collecting Tubules in Vitro
We previously reported that rabbit renal cortical collecting tubules can secrete bicarbonate in vitro (i.e., there can be net transport from bath to lumen, causing the concentration in the lumen to increase). Net bicarbonate secretion was observed most often when rabbits had been pretreated with NaHCO3 and were excreting alkaline urine before being killed fo
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12. Abnormal sodium pump distribution during renal tubulogenesis in congenital murine polycystic kidney disease.
Congenital polycystic kidney disease is characterized by the formation of large fluid-filled cysts in kidney tubules. It has been postulated that increased epithelial cell proliferation and altered transtubular fluid transport are necessary for cyst formation. To address the latter problem, we have studied the plasma membrane distribution of the alpha 1 and