PMID: 8971636Oct 1, 1996Paper

Ultrastructural localization of a synaptic ribbon protein recognized by antibody B16

Journal of Neurocytology
G W Balkema, R Rizkalla

Abstract

This study examines the immunolabelled structures in the mouse retina following incubation with a monoclonal antibody (B16) that recognizes a highly conserved antigen found in retinas from lizards, frogs, fish, birds, mice, rats, rabbits, cats, and monkeys. This paper focuses on observations in the murine retina. The B16 labelling pattern in the retina was compared with that of two synaptic vesicle antigens: SV2 and anti-synaptophysin in the outer plexiform layer were more diffuse and apparently filled the entire presynaptic terminal whereas B16 labelling was more restricted and labelled a discrete structure resembling a semi-ellipse or an arc with the ends pointing to the inner nuclear layer and the middle curve facing the outer nuclear layer (1-2 microns long by < 0.05 micron in width). The structure labelled in the inner plexiform layer resembles a short bar (0.8 micron long by < 0.05 micron in width) that is confined to the inner half the inner plexiform layer. Cryo-ultra microtomy was used to examine the ultrastructural distribution of the labelling, because the B16 epitope is sensitive to fixation and plastic embedding. The tissue was incubated with the B16 antibody and visualized with goat-anti-mouse 10 nm gold particles...Continue Reading

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Citations

Jul 13, 2000·Microscopy Research and Technique·C W Morgans
Oct 19, 1999·The Journal of Comparative Neurology·T H Nguyen, G W Balkema
Jul 4, 2001·Journal of Neuroscience Research·A SurguchovI Surgucheva
Sep 6, 2001·BioEssays : News and Reviews in Molecular, Cellular and Developmental Biology·D Lenzi, H von Gersdorff

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