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- MULLER CELLS AND DIABETIC-RETINOPATHY
- Universidade Estadual Paulista (UNESP)
- Muller cells provide nutrition for neural cells. We studied the structure and ultrastructure of Muller cells in the retina of thirty 3-month old Wistar rats; divided equally into 3 groups: normal rats, alloxan diabetic rats and treated alloxan diabetic rats. 1 and 12 months after induction of diabetes. We observed that the Muller cell nuclei under light microscope examination had hexagonal shape and higher density than the other nuclei. Differences between groups could be observed only by electron microscopy. In the diabetic rats, Muller cells presented dispersion of nuclear chromatin and electrondense nuclear granulations, with the presence of increased glycogen, dense bodies and lysosomes in the cytoplasm. The alterations were more frequent in the perivascular region and at 12 months. The treated diabetic rats exhibited some alterations we observed in diabetic rats. but these alterations were less intense. We conclude that, despite the treatment, the diabetic retinopathy continues to evolve.
- Brazilian Journal of Medical and Biological Research. São Paulo: Associação Bras Divulg Cientifica, v. 28, n. 9, p. 977-980, 1995.
- Associação Brasileira de Divulgação Científica (ABRADIC)
- MULLER CELL
- DIABETIC RETINOPATHY
- ALLOXAN DIABETES
- DIABETES IN RATS
- Acesso restrito
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