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Aquaporin-1 Water Channel Expression in Human Kidney
(American Society for Nephrology, 1997-01)
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 ...
Direct immunogold labeling of aquaporin-4 in square arrays of astrocyte and ependymocyte plasma membranes in rat brain and spinal cord
(National Academy of Sciences, 1998-09-29)
Aquaporin (AQP) water channels are abundant in the brain and spinal cord, where AQP1 and AQP4 are believed to play major roles in water metabolism and osmoregulation. Immunocytochemical analysis of the brain recently ...
Specialized membrane domains for water transport in glial cells: high resolution immunogold cytochemistry of aquaporin-4 in rat brain
(Copyright held by the original publisher: Journal of Neuroscience, 1997-01-01)
Membrane water transport is critically involved in brain volume homeostasis and in the pathogenesis of brain edema. The cDNA encoding aquaporin-4 (AQP4) water channel protein was recently isolated from rat brain. We used ...
Isolation of the cDNA for erythrocyte integral membrane protein of 28 kilodaltons: member of an ancient channel family
(National Academy of Sciences, 1991-12-15)
CHIP28 is a 28-kDa integral membrane protein with similarities to membrane channels and is found in erythrocytes and renal tubules. A cDNA for CHIP28 was isolated from human fetal liver cDNA template by a three-step ...
Regulation of the Escherichia coli water channel gene aqpZ
(National Academy of Sciences, 1998-03-31)
Osmotic movement of water across bacterial cell membranes is postulated to be a homeostatic mechanism for maintaining cell turgor. The molecular water transporter remained elusive until discovery of the Escherichia coli ...
Adenovirus-mediated Expression of Aquaporin-5 in Epithelial Cells
(American Society for Biochemistry and Molecular Biology, 1996-09-06)
A recombinant adenovirus coding for rat aquaporin-5 was constructed and plaque purified. The recombinant adenovirus (AdrAQP5) mediated the expression of aquaporin-5 in rat and human salivary cell lines and in dog kidney ...
Aquaporin-1 water channel protein in lung: ontogeny, steroid-induced expression, and distribution in rat
(American Society for Clinical Investigation, 1996-05-15)
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 ...
Decreased membrane mechanical stability and in vivo loss of surface area reflect spectrin deficiencies in hereditary spherocytosis
(American Society for Clinical Investigation, 1988-08)
Whereas marked variations in the clinical manifestations of hereditary spherocytosis have long been recognized, we have only recently begun to define the molecular basis for this heterogeneity. An important unanswered ...
The human AQP4 gene: definition of the locus encoding two water channel polypeptides in brain
(National Academy of Sciences, 1996-10-01)
The aquaporin family of membrane water transport proteins are expressed in diverse tissues, and in brain the predominant water channel protein is AQP4. Here we report the isolation and characterization of the human AQP4 ...
Erythrocyte Mr 28,000 transmembrane protein exists as a multisubunit oligomer silimar to channel proteins
(American Society for Biochemistry and Molecular Biology, 1991-04-05)
A novel Mr 28,000 erythrocyte transmembrane protein was recently purified and found to exist in two forms, "28kDa" and "gly28kDa," the latter containing N-linked carbohydrate (Denker, B. M., Smith, B. L., Kuhajda, F. P., ...