Comparison of the effect of intravitreal bevacizumab and intravitreal fasudil on retinal VEGF, TNF alpha, and caspase 3 levels in an experimental diabetes model

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dc.contributor.authorÇelik, Fatih
dc.contributor.authorUlaş, Fatih
dc.contributor.authorÖzünal, Zeynep Güneş
dc.contributor.authorFırat, Tülin
dc.contributor.authorÇelebi, Serdal
dc.contributor.authorDoğan, Ümit
dc.date.accessioned2021-06-23T19:36:21Z
dc.date.available2021-06-23T19:36:21Z
dc.date.issued2014
dc.departmentBAİBÜ, Tıp Fakültesi, Cerrahi Tıp Bilimleri Bölümüen_US
dc.description.abstractAIM: To evaluate the influence of an intravitreal injection of bevacizumab and fasudil on the retinal vascular endothelial growth factor (VEGF), tumor necrosis factor alpha (TNF alpha), and caspase 3 levels in a diabetic rabbit model. METHODS: The study included 6 healthy rabbits (Group 1), 6 rabbits with experimentally induced diabetes mellitus (DM) (Group 2), 7 rabbits with experimentally induced DM to which intravitreal bevacizumab was administered (Group 3), and 7 rabbits with experimentally induced DM to which intravitreal fasudil was administered (Group 4). An intravitreal injection of 1.25mg/50 mu L bevacizumab in the right eye of rabbits in Group 3 and an intravitreal injection of 0.0064mg/50 mu L fasudil in the right eye of rabbits in Group 4 were administered on day 21 after the induction of DM. The studied eyes of the rabbits were enucleated three days after the intravitreal injection. The TNF alpha, VEGF, and caspase 3 levels were determined using the ELISA method. RESULTS: There was a statistically significant difference in the VEGF and caspase 3 levels between groups (P=0.005 and P=0.013, respectively), but the TNF alpha level did not differ significantly between groups (P=0.792). It was found that VEGF levels were significantly lower in Group 1 and Group 3 than in Group 2 using the Mann-Whitney Utest with the Bonferroni correction (P=0.004 for both comparison). There was no statistically significant difference between other groups with regard to VEGF levels (the P value ranged between 0.015 and 0.886). Although the P values of the caspase 3 levels were 0.015 for Group 1 and Group 4, 0.038 for Group 2 and Group 3, and 0.018 for Group 3 and Group 4, these P values remained above the threshold Pvalue of 0.0083, which was the statistically significant level for post hoc tests. CONCLUSION: An intravitreal injection of bevacizumab decreased both the VEGF level, which plays a role in angiogenesis, and the caspase 3 level, which plays a role in apoptosis. Although not as effective as bevacizumab, fasudil had a beneficial effect on the VEGF levels but significantly increased the caspase 3 levels.en_US
dc.identifier.doi10.3980/j.issn.2222-3959.2014.01.10
dc.identifier.endpage61en_US
dc.identifier.issn2222-3959
dc.identifier.issn2227-4898
dc.identifier.issue1en_US
dc.identifier.pmid24634864en_US
dc.identifier.scopus2-s2.0-84896469793en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage57en_US
dc.identifier.urihttps://doi.org/10.3980/j.issn.2222-3959.2014.01.10
dc.identifier.urihttps://hdl.handle.net/20.500.12491/7976
dc.identifier.volume7en_US
dc.identifier.wosWOS:000331497800010en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorÇelik, Fatih
dc.institutionauthorUlaş, Fatih
dc.institutionauthorÖzünal, Zeynep Güneş
dc.institutionauthorFırat, Tülin
dc.institutionauthorÇelebi, Serdal
dc.institutionauthorDoğan, Ümit
dc.language.isoenen_US
dc.publisherIjo Pressen_US
dc.relation.ispartofInternational Journal Of Ophthalmologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectbevacizumaben_US
dc.subjectcaspase 3en_US
dc.subjectexperimental diabetesen_US
dc.subjectfasudilen_US
dc.subjecttumor necrosis factor alphaen_US
dc.subjectvascular endothelial growth factoren_US
dc.titleComparison of the effect of intravitreal bevacizumab and intravitreal fasudil on retinal VEGF, TNF alpha, and caspase 3 levels in an experimental diabetes modelen_US
dc.typeArticleen_US

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