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Occluding Junctions in MDCK Cells: Modulation of Transepithelial Permeability by the Cytoskeleton
In MDCK cell monolayers the opening and resealing of occluding junctions can be induced by removal and restoration of calcium to the external medium. The overall changes in permeability of theExpand
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Occluding junctions and cytoskeletal components in a cultured transporting epithelium
MDCK cells form uninterrupted monolayers and make occluding junctions similar to those of natural epithelia. This aricle explores the relationship between these junctions and the cytoskeleton byExpand
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Trypanosoma cruzi: distribution of fluorescently labeled tubulin and actin in epimastigotes.
Cytoskeletal components were visualized in epimastigote forms of Trypanosoma cruzi by double immunofluorescence microscopy using monospecific antibodies against tubulin and against actin. IntenseExpand
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Isolation and characterization of actin from Entamoeba histolytica.
Actin has been identified and purified partially from trophozoites of Entamoeba histolytica HMI-IMSS by a procedure that minimizes proteolysis. In cellular extracts, Entamoeba actin wouldExpand
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Changes of actin cytoskeleton during swelling and regulatory volume decrease in cultured astrocytes.
Swelling of cultured astrocytes exposed to hyposmotic medium modified the organization of the filamentous actin (F-actin) cytoskeleton, making the actin network diffuse in the cell body butExpand
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Encelin: a fungal growth inhibitor.
A known sesquiterpene lactone, encelin, isolated from the Mexican species Montanoa speciosa (Compositae), was assayed for biocidal activity on fungal cells of Mucor rouxii. The results indicate thatExpand
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Actin in Mucor rouxii.
Rhodamine-conjugated phalloidin was used to analyze the actin distribution during hyphal formation in Mucor rouxii. The occurrence of actin patches in the cortical region of the cells was seen in theExpand
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[Localization of actin in trophozoites of Entamoeba histolytica (HMI)].
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3-Hydroxyencelin: synthesis and in vitro activity
Encelin, a known sesquiterpene lactone was isolated from a Mexican species of Montanoa speciosa (Compositae). It possesses a cross-conjugated enone function besides the group α,β-unsaturatedExpand
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