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Morphology of tight junctions in the ciliary epithelium of rabbits during arachidonic acid-induced breakdown of the blood-aqueous barrier (1986)

Noske, Walter ; Hirsch, Michel

Springer

Cell & tissue research 245 (1986), S. 405-412

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ISSN: 1432-0878

Keywords: Blood-aqueous barrier ; Tight junctions ; Freeze fracture ; Complementary replicas ; Arachidonic acid ; Rabbit

Source: Springer Online Journal Archives 1860-2000

Topics: Biology , Medicine

Notes: Summary A reversible breakdown of the blood-aqueous barrier in the iridial processes of rabbits has been induced by arachidonic acid as demonstrated by the passage of horseradish peroxidase at places through the tight junctions. Freeze-fracture images reveal very discontinuous Pface ridges. However, the analysis of complementary replicas demonstrates that discontinuities of P-face ridges are always complemented by particles or short bars found in the E-face furrows. Though the problem exists of correlating freeze-fracture images of the junctional structure to the focal passage of horseradish peroxidase, the data suggest that the discontinuities of P-face ridges cannot be the structural counterpart of the passage of horseradish peroxidase. Alternative pathways of horseradish peroxidase are discussed in context with the offset bifibrillary model of the junction.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00213948

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Foreward (1986)

Hirsch, P. B.

New York, NY : Wiley-Blackwell

Journal of Electron Microscopy Technique 3 (1986), S. 1-2

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ISSN: 0741-0581

Keywords: Life and Medical Sciences ; Cell & Developmental Biology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Natural Sciences in General