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All Journal IJRETINA - International Journal of Retina
Ressa Yuneta
Department of Ophthalmology, Faculty of Medicine, Universitas Indonesia Cipto Mangunkusumo Hospital, Indonesia
Health Professions Medicine & Pharmacology Public Health

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LEVELS OF HYPOXIA INDUCIBLE FACTOR-1α (HIF-1α) AND INTERCELLULAR ADHESION MOLECULE-1 (ICAM-1) AFTER INTRAVITREAL BEVACIZUMAB IN PROLIFERATIVE DIABETIC RETINOPATHY Ressa Yuneta; Tjahjono Darminto Gondhowiardjo; Rahayuningsih Dharma; Sri Widia A. Jusman; Joedo Prihartono; Andi Arus Victor
International Journal of Retina Vol 2 No 1 (2019): International Journal of Retina (IJRetina) - INAVRS
Publisher : Indonesian Vitreoretinal Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35479/ijretina.2019.vol002.iss001.60

Abstract

Purpose: to assess the levels of Hypoxia-inducible factor-1α (HIF-1α) and intercellular adhesion molecule-1 (ICAM-1) in vitreous of proliferative diabetic retinopathy patients which were given intravitreal bevacizumab (IVB), as well as its relation to the central macular thickness (CMT) measured prior to vitrectomy. Methods: thirty-two eyes were randomized into two groups, one that received an IVB injection at 1-2 weeks previtrectomy and the control group which did not receive any injection. Measurement of HIF-1α and ICAM-1 was conducted using enzyme-linked immunosorbent assay (ELISA). The CMT were measured at the initial visit, prior to vitrectomy, and at follow up time (2, 4, and 12 weeks postoperatively) using Stratus OCT. Results: The mean levels of HIF-1α vitreous (ng/mg protein) in the control group and IVB respectively 0.020 (0.006; 0.077) and 0.029 (0.016; 0.21). Vitreous levels of ICAM-1 (ng /mL) in control group and IVB group were 20.10 (3.41; 40.16) and 23.33 (0.63; 68.5). The mean levels of HIF-1α and ICAM-1 vitreous obtained did not differ significantly between the two groups. Conclusion: The levels of HIF-1α and ICAM-1 in PDR patients do not decrease after one injection of intravitreal Bevacizumab 1-2 weeks prior to vitrectomy. The concentration of vitreous HIF-1α and ICAM-1 are not directly related to the CMT.
Co-Authors Andi Arus Victor Joedo Prihartono Rahayuningsih Dharma Sri Widia A. Jusman Tjahjono Darminto Gondhowiardjo