A novel cell-cell junction system: the cortex adhaerens mosaic of lens fiber cells
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چکیده
منابع مشابه
A novel cell-cell junction system: the cortex adhaerens mosaic of lens fiber cells.
The anucleate prismoid fiber cells of the eye lens are densely packed to form a tissue in which the plasma membranes and their associated cytoplasmic coat form a single giant cell-cell adhesive complex, the cortex adhaerens. Using biochemical and immunoprecipitation methods in various species (cow, pig, rat), in combination with immunolocalization microscopy, we have identified two different ma...
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BACKGROUND Trichoplax adhaerens is the best-known member of the phylum Placozoa, one of the earliest-diverging metazoan phyla. It is a small disk-shaped animal that glides on surfaces in warm oceans to feed on algae. Prior anatomical studies of Trichoplax revealed that it has a simple three-layered organization with four somatic cell types. RESULTS We reinvestigate the cellular organization o...
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PURPOSE To investigate the structural remodeling in gap junctions associated with cholesterol redistribution during fiber cell maturation in the adult chicken lens. We also evaluated the hypothesis that the cleavage of the COOH-terminus of chick Cx50 (formerly Cx45.6) during fiber cell maturation would affect the gap junction remodeling. METHODS Freeze-fracture TEM and filipin cytochemistry w...
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Two intrinsic membrane proteins of calf lens fiber cells can be phosphorylated by a soluble bovine lens cAMP-dependent protein kinase and rabbit muscle cAMP-dependent protein kinase. After electrophoresis of the phosphorylated membranes, 32P comigrates with the lens main intrinsic protein at 26-27 kDa and with a minor band of protein that migrates at 19-20 kDa. 32P is also found with proteins t...
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ژورنال
عنوان ژورنال: Journal of Cell Science
سال: 2003
ISSN: 1477-9137,0021-9533
DOI: 10.1242/jcs.00815