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Title

Dysfunctional uveoscleral pathway in a rat model of congenital glaucoma
Authors
Gatzioufas, Z
Hafezi, Farhad
Kopsidas, K
Thanos, S
Published in Journal of Physiology and Pharmacology. 2013, vol. 64, no. 3, p. 393-7
Abstract The purpose of the study was to investigate the presence of the uveoscleral pathway in the normotensive rat (NR) and in a rat model of congenital glaucoma (CGR). We injected the fluorescent tracer 70-kDa dextran rhodamine B in the anterior chamber of four NRs and four CGRs. At 10 and 60 minutes after injection, rats were euthanized by CO(2) inhalation and eyes were enucleated. Cryosections were prepared and analyzed using fluorescent microscopy. Hematoxylin-eosin staining and electron microscopy of the anterior chamber angle (ACA) were performed. At 10 minutes after injection, fluorescent tracer was detected in the iris root and ciliary processes of NRs and CGRs. At 60 minutes, NRs showed prominent signal in the suprachoroidal, whereas, in the CGRs, tracer was barely detectable. Histology of the anterior chamber revealed the presence of an open ACA and electron microscopy confirmed the normal structure of the ciliary body in CGRs. Conclusions: Our results document the presence of an uveoscleral pathway in the normotensive rat. The rat model of congenital glaucoma shows severe impairment of the uveoscleral pathway, suggesting that alterations of the uveoscleral outflow might play a role in the pathogenesis of CG.
Identifiers
PMID: 23959737
Full text
Article (Published version) (7.8 MB) - public document Free access
Other version: http://www.jpp.krakow.pl/
Structures
Faculté de médecine / Section de médecine clinique / Département des neurosciences cliniques
Research group Groupe Hafezi Farhad (ophtalmologie) (912)
Citation
(ISO format) 		GATZIOUFAS, Z et al. Dysfunctional uveoscleral pathway in a rat model of congenital glaucoma. In: Journal of physiology and pharmacology : an official journal of the Polish Physiological Society, 2013, vol. 64, n° 3, p. 393-7. https://archive-ouverte.unige.ch/unige:33191

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Deposited on : 2014-01-13

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