نتایج جستجو برای: AQP1
تعداد نتایج: 649 فیلتر نتایج به سال:
Abstract Background: Choroid plexus (CP) is a branched structure made up of a single layer of epithelial cells and blood capillaries, forming the blood-CSF-barrier. The CSF (cerebrospinal fluid) is mainly produced from the CP. Aquaporin1 (AQP1), water channels that are highly expressed on the apical side of the membrane in choroid plexus, have a major role in mediating water transport across th...
BACKGROUND Aquaporin 1 (AQP1) overexpression has been shown to be associated with uncontrolled cell replication, invasion, migration, and tumor metastasis. We aimed to evaluate AQP1 expression in lung adenocarcinomas and to examine its association with clinicopathological features and prognostic significance. We also investigated the association between AQP1 overexpression and epithelial-mesenc...
Deletion of AQP1 in mice results in diminished urinary concentrating ability, possibly related to reduced NaCl- and urea gradient-driven water transport across the outer medullary descending vasa recta (OMDVR). To quantify the role of AQP1 in OMDVR water transport, we measured osmotically driven water permeability in vitro in microperfused OMDVR from wild-type, AQP1 heterozygous, and AQP1 knock...
Background: Aquaporin-1 (AQP1) is a glycoprotein that mediates osmotic water transport. Its expression has been found to be correlated with the swelling of Schwann cells. Hypoxia has been reported to play an important role in inducing the expression of AQP1 during Schwann cell swelling. However, the mechanism that regulates AQP1 expression in Schwann cells remains obscure. Methods: The expressi...
Aquaporin1 (AQP1) belongs to a highly conserved family of aquaporin proteins which facilitate water flux across cell membranes. Although emerging evidences indicated the cytoplasm was important for AQP1 localization, the function of AQP1 corresponding to its cytoplasmic distribution has rarely been explored until present. In our clinical study, we reported for the first time that AQP1 was local...
The aquaporin-1 (AQP1) water channel is a potentially important drug target, as AQP1 inhibition is predicted to have therapeutic action in edema, tumor growth, glaucoma, and other conditions. Here, we measured the AQP1 inhibition efficacy of 12 putative small-molecule AQP1 inhibitors reported in six recent studies, and one AQP1 activator. Osmotic water permeability was measured by stopped-flow ...
Expression of aquaporin-1 in the peritoneal tissues: localization and regulation by hyperosmolality.
OBJECTIVE The purpose of this study was to determine the localization of the aquaporin-1 (AQP1) water channel in peritoneal tissues and the effect of hyperosmolality on the peritoneal expression and function of AQP1. METHODS Immunohistochemical localization of AQP1 was identified in rat peritoneal tissues. Cultured rat peritoneal mesothelial cells (RPMCs) were exposed to hyperosmolality by ad...
Inflammation serves an important role in the progression of osteoarthritis (OA), and IL‑1β may act as a catabolic factor on cartilage, reducing the synthesis of primary cartilage components type II collagen and aggrecan. Aquaporin 1 (AQP1) is a 28‑kDa water channel formed of six transmembrane domains on the cell membrane. AQP1 is highly expressed in the anus, gallbladder and liver, and is moder...
STUDY DESIGN Case series. OBJECTIVE Intervertebral disc (IVD) degeneration is the cause of spondylosis. The pathogenesis is poorly understood, but disc dehydration often plays a role. In this study, we aim to identify and quantify aquaporin-1 (AQP1) in ex vivo human degenerated IVDs obtained intraoperatively and to investigate the relationship between AQP1 levels and magnetic resonance imagin...
The pathophysiology of glandular dysfunction in Sjögren's syndrome (SS) has not been fully elucidated. Previously, we reported the presence of autoantibodies to AQP-5 in patients with SS, which was associated with a low resting salivary flow. The purpose of this study was to investigate the presence of anti-AQP1 autoantibodies. To detect anti-AQP1 autoantibodies, cell-based indirect immunofluor...
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