نتایج جستجو برای: aqp1
تعداد نتایج: 649 فیلتر نتایج به سال:
BACKGROUND Diuretic agents are widely used on the treatment of water retention related diseases, among which acetazolamide (AZA) acts originally as a carbonic anhydrase (CA) inhibitor. Aquaporin-1 (AQP1) being located in renal proximal tubules is required for urine concentration. Previously our lab has reported AZA putatively modulated AQP1. Aim of this study is to testify our hypothesis that r...
To evaluate the relationship between aquaporin-1 (AQP1) expression and the cell volume of red blood cells (RBCs), canine peripheral RBCs were separated according to specific gravity, and expression of the AQP1 protein on the membrane of RBCs was compared using anti-dog AQP1 polypeptide serum. Western blot analysis indicated that there was no significant difference in AQP1 expression between lar...
The pattern of aquaporin-1 water channel protein (AQP1) expression in the human kidney was analyzed by immunocytochemistry using semi-thin and optimized high-resolution immunoelectron microscopy based on freeze-substituted and Lowicryl HM20 embedded tissue. In addition, in situ hybridization was used to determine AQP1 mRNA distribution. Immunoblots revealed a 28-kd band and a 35- to 45-kd band ...
Malignant pleural mesothelioma (MPM) is an aggressive cancer. MPM cells express aquaporin-1 (AQP1) that in other cancers has been shown to participate in the tumor metastasis processes. However, in MPM patients AQP1 overexpression is an independent prognostic factor favoring survival. In this study we aimed at evaluating the role of AQP1 in cell adhesion, migration, and tumor sphere formation i...
At birth water is rapidly reabsorbed from the distal lung in preparation for alveolar gas exchange. To investigate a potential role for the AQP1 water channel in development, lung membranes from fetal and perinatal rats were analyzed by immunoblot. First expression of AQP1 was noted in fetal rat lung at E19 (19th day of the 21-day gestation). The level of AQP1 increased fivefold from the last g...
Many studies have determined that AQP1 plays an important role in edema formation and resolution in various tissues via water transport across the cell membrane. The aim of this research was to determine both if and how AQP1 is associated with cardiac ischemic injury, particularly the development of edema following myocardial infarction (MI). AQP1+/+ and AQP1-/- mice were used to create the MI ...
Previous studies reported that a subpopulation of mouse and rat trigeminal neurons express water channel aquaporin-1 (AQP1). In this study we make a comparative investigation of AQP1 localization in the human and mouse trigeminal systems. Immunohistochemistry and immunofluorescence results showed that AQP1 was localized to the cytoplasm and cell membrane of some medium and small-sized trigemina...
Aquaporin-1 (AQP1) water channel plays a critical role for water reabsorption in the urinary concentrating mechanism. AQP1 expression in renal cells is upregulated by hypertonicity, but not urea, suggesting the requirement of an osmotic gradient. To investigate whether AQP1 expression is regulated by apical and/or basolateral hypertonicity, murine renal medullary mIMCD-K2 cells grown on permeab...
The aquaporin-1 (AQP1) water channel protein is expressed in multiple mammalian tissues by several different developmental programs; however, the genetic regulation is undefined. The proximal promoter of mouse Aqp1 contains multiple putative cis-acting regulatory elements, and mouse erythroleukemia (MEL) cells are a well-characterized model for erythroid differentiation. Corticosteroid or dimet...
The water channel aquaporin 1 (AQP1) has been implicated in tumor progression and metastasis. It is hypothesized that AQP1 expression can facilitate the transmembrane transport leading to changes cell structure promote migration. Its impact neuroblastoma not addressed so far. objectives of this study have determine whether dependent on hypoxia, demonstrate functionally relevant for migration, f...
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