Retinal histogenesis and cell differentiation in an elasmobranch species, the small-spotted catshark Scyliorhinus canicula.

Journal of Anatomy
Ruth Bejarano-EscobarJavier Francisco-Morcillo

Abstract

Here we present a detailed study of the major events in the retinal histogenesis in a slow-developing elasmobranch species, the small-spotted catshark, during embryonic, postnatal and adult stages using classical histological and immunohistological methods, providing a complete neurochemical characterization of retinal cells. We found that the retina of the small-spotted catshark was fully differentiated prior to birth. The major developmental events in retinal cell differentiation occurred during the second third of the embryonic period. Maturational features described in the present study were first detected in the central retina and, as development progressed, they spread to the rest of the retina following a central-to-peripheral gradient. While the formation of both plexiform layers occurs simultaneously in the retina of the most common fish models, in the small-spotted catshark retina the emergence of the outer plexiform layer was delayed with respect to the inner plexiform layer. According to the expression of the markers used, retinal cell differentiation followed a vitreal-to-scleral gradient, with the exception of Müller cells that were the last cell type generated during retinogenesis. This vitreal-to-scleral progres...Continue Reading

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Citations

Dec 19, 2013·TheScientificWorldJournal·Guadalupe Álvarez-HernánJavier Francisco-Morcillo
Oct 29, 2015·Journal of Fish Biology·T Pavón-MuñozJ Francisco-Morcillo
Jul 1, 2015·Experimental Eye Research·Ruth Bejarano-EscobarJavier Francisco-Morcillo
Apr 8, 2015·Experimental Eye Research·Nuria Sánchez-Farías, Eva Candal
Jul 6, 2016·Frontiers in Neuroanatomy·Nuria Sánchez-Farías, Eva Candal
Apr 19, 2018·The Journal of Comparative Neurology·Ji-Jie PangSamuel M Wu
Jun 22, 2019·Developmental Dynamics : an Official Publication of the American Association of Anatomists·José Antonio de Mera-RodríguezJavier Francisco-Morcillo
Jul 12, 2017·Journal of Anatomy·Ruth Bejarano-EscobarJavier Francisco-Morcillo
Mar 28, 2018·Journal of Anatomy·Guadalupe Álvarez-HernánJavier Francisco-Morcillo
Sep 23, 2018·Brain Structure & Function·A Docampo-SearaMiguel Ángel Rodríguez Díaz
Jun 25, 2021·Experimental Eye Research·Guadalupe Álvarez-HernánJavier Francisco-Morcillo

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