Streptozotocin-induced diabetes, and the optic nerve blood barrier

Archivos de la Sociedad Española de Oftalmología
R AlemánI Castaño

Abstract

To study the features of the endoneurial micro-vessels of the optic nerve in streptozotocin-induced diabetic animals. Optic nerves from control and streptozotocin-induced diabetic animals were studied by light and transmission electron microscopy. Patency was determined by indirect immunofluorescence albumin detection. The expression of major histocompatibility complex class II molecules was performed by direct immunofluorescence. The endoneurial vessels were counted, and the endothelial cell, the basement membrane, and the surface of the transverse section of the nerve were measured. Vessels of diabetic rats showed vessel wall thickening, preservation of pericytes, an increase in endothelial cell transcytosis, and an increased number of perivascular macrophage cells. It may be concluded that the effects of hyperglycaemia on the inner vessels of the optic nerve are more similar to the cerebral diabetic vessels than to the retinal vessels in diabetic animals.

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Citations

Feb 14, 2021·Journal of Chemical Neuroanatomy·İzem Olcay Şahin
Jul 18, 2018·Brain Research·Henrique Rocha MendonçaAna Maria Blanco Martinez

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