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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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- 학술저널
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- 2022.5
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Purpose: To evaluate the effect of alcohol on vascular endothelial growth factor (VEGF) expression in retinal pigment epithelium (RPE) cells and angiogenesis of vascular endothelial cells.
Methods: To investigate the direct effect of alcohol on VEGF expression, RPE cells were exposed to bevacizumab 0.5 mg/mL, ethanol 600 mMol, and bevacizumab 0.5 mg/mL + ethanol 600 mMol, and the amount of VEGF expression was detected by Enzyme-Linked Immunosorbent Assay. In another experiment, RPE cells were treated with bevacizumab 0.5 mg/mL, ethanol 600 mMol, VEGF 5 ng/mL, bevacizumab 0.5 mg/mL + ethanol 600 mMol, and bevacizumab 0.5 mg/mL + VEGF 5 ng/mL for 24 hours; the medium was then used in the human umbilical vein endothelial cells (HUVEC) capillary tube formation assay to investigate the effect on the formation of new vessels. To analyze angiogenesis, the number of extremities, branches and total branch length were analyzed using the ImageJ software.
Results: No significant increase was observed for VEGF expression in the ethanol group. VEGF expression was also not detected in the bevacizumab and bevacizumab + ethanol groups. For HUVEC capillary tube formation, the number of extremities in ethanol, VEGF, bevacizumab + ethanol, and bevacizumab + VEGF groups were significantly increased as compared to control. Also, the number of branches and total branch length showed statistically significant increase in the ethanol and VEGF groups.
Conclusions: This study demonstrates that alcohol has a positive effect on new vessel formation but does not increase VEGF in RPE cells. These results imply that consuming alcohol may be associated with neovascularization or the disease activity of age-related macular degeneration and anti-VEGF treatment response.
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