نتایج جستجو برای: aqp1
تعداد نتایج: 649 فیلتر نتایج به سال:
BACKGROUND Malignant mesothelioma (MM) is an aggressive tumor of the serosal membranes, mostly the pleura. It is related to asbestos exposure and has a poor prognosis. MM has a long latency period, and incidence is predicted to remain stable or increase until 2020. Currently, no biomarkers for a specific targeted therapy are available. Previously, we observed that expression of aquaporin 1 (AQP...
OBJECTIVES Clinical resistance to pentavalent antimonials results from an interplay between uptake, efflux and sequestration in Leishmania. Aquaglyceroporins (AQPs) have been shown to facilitate uptake of trivalent metalloids. Down-regulation of AQP1 in Leishmania results in resistance to trivalent antimony, whereas overexpression of AQP1 in drug-resistant parasites can reverse the resistance. ...
Propranolol, a nonselective β-adrenergic receptor blocker, is the first-line medical treatment for severe infantile hemangiomas (IH). We have shown in mice that propranolol-induced tumor growth inhibition was correlated with altered expression of Aquaporin-1 (AQP1), an aqueous channel modulated angiogenesis and cell migration. In IH, AQP1 made it possible to identify interstitial named telocyte...
Previous research usually focused on single protein or gene in tumor development, actually highly heterogeneous nature and different signaling pathways largely contribute to tumor progression and tumor patients' outcomes. Therefore, using combinatorial biomarkers to evaluate the prognostic features and guide management is gradually accepted and urgently needed. β-catenin is a well-known crucial...
INTRODUCTION Pulmonary fibrosis occurs due to fibroblast proliferation and collagen production in the lung and begins with alveolar inflammatory edema. Aquaporins (AQPs) play pivotal roles in lung fluid transport. In this study we establish the experimental model for pulmonary fibrosis in C57BL/6 mice to investigate expressions of AQP1 and AQP5 in lung tissue. MATERIAL AND METHODS Mice in mod...
Membranes are an integral component of many cellular functions and serve as a barrier to keep pathogenic bacteria from entering the nutrient-rich host cytosol. TANK-binding-kinase-1 (TBK1), a kinase of the IkappaB kinase family, is required for maintaining integrity of pathogen-containing vacuoles (PCV) upon bacterial invasion of host cells. Here we investigate how vacuolar integrity is maintai...
PURPOSE To investigate the involvement of aquaporin (AQP)-1 in lens epithelial cell water permeability and maintenance of lens transparency in experimental models of cataract formation. METHODS Comparative studies were performed on wild-type versus AQP1-null mice. Osmotic water permeability was measured in calcein-stained epithelial cells in intact lenses from fluorescence changes in response...
BACKGROUND The exocrine pancreas secretes large volumes of isotonic fluid, most of which originates from the ductal system. The role of aquaporin (AQP) water channels in this process is unknown. METHODS Expression and localisation of known AQP isoforms was examined in normal human pancreas, pancreatic adenocarcinoma, and pancreatic cell lines of ductal origin (Capan-1, Capan-2, and HPAF) usin...
Peritoneal dialysis involves diffusive and convective transports and osmosis through the highly vascularized peritoneal membrane. The capillary endothelium offers the rate-limiting hindrance for solute and water transport. It can be functionally described in terms of a three-pore model including transcellular, ultrasmall pores responsible for free-water transport during crystalloid osmosis. Sev...
Aquaporins 1 (AQP1) and 2 (AQP2) were expressed in the yeast secretory mutant sec6-4. The mutant accumulates post-Golgi, plasma membrane-targeted vesicles and may be used to produce large quantities of membrane proteins. AQP1 or AQP2 were inducibly expressed in yeast and were localized within isolated sec6-4 vesicles by immunoblot analysis. Secretory vesicles containing AQP1 and AQP2 exhibited ...
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