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Antiproliferative, Apoptotic, and Autophagic Activity of Ranibizumab, Bevacizumab, Pegaptanib, and Aflibercept on Fibroblasts: Implication for Choroidal Neovascularization
- Source :
- Journal of Ophthalmology, Vol 2015 (2015)
- Publication Year :
- 2015
- Publisher :
- Wiley, 2015.
-
Abstract
- Purpose. Choroidal neovascularization (CNV) is one of the most common complications of retinal diseases accompanied by elevated secretion of vascular endothelial growth factor (VEGF). Intravitreal anti-VEGFs (ranibizumab, bevacizumab, pegaptanib, and aflibercept) can suppress neovascularization, decrease vascular permeability and CNV size, and, thereby, improve visual function. The antiproliferative, apoptotic, and autophagic effect of anti-VEGF drugs on fibroblasts found in CNVs has not been yet explored. Methods. Concentration-dependent cellular effects of the four anti-VEGFs were examined in L929 fibroblasts over a 5-day period. The cell survival, mitotic and polykaryocytic indices, the level of apoptosis and autophagy, and the cellular growth kinetics were all assessed. Results. The anti-VEGFs could inhibit the survival, mitotic activity, and proliferation as well as increase the cellular heterogeneity, apoptosis, and autophagy of the fibroblasts in a dose-dependent manner. Cellular growth kinetics showed ranibizumab to be less aggressive, but three other anti-VEGFs showed higher antiproliferative and apoptotic activity and expressed negative cellular growth kinetics. Conclusions. The antiproliferative, apoptotic, and autophagic activity of anti-VEGFs upon fibroblasts may explain the cellular response and the etiology of CNV involution in vivo and serve as a good study model for CNV in vitro.
- Subjects :
- Ophthalmology
RE1-994
Subjects
Details
- Language :
- English
- ISSN :
- 2090004X and 20900058
- Volume :
- 2015
- Database :
- Directory of Open Access Journals
- Journal :
- Journal of Ophthalmology
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.50712372e3014c8dbbc3577b5f4e4494
- Document Type :
- article
- Full Text :
- https://doi.org/10.1155/2015/934963