Aqueous humor cytokine levels through microarray analysis and a sub-analysis based on optical coherence tomography in wet age-related macular degeneration patientsopen access
- Authors
- Joo, Jin-Ho; Kim, Hyejee; Shin, Jae-Ho; Moon, Sang Woong
- Issue Date
- Nov-2021
- Publisher
- BMC
- Keywords
- AMD; Aqueous humor; Cytokine; OCT
- Citation
- BMC OPHTHALMOLOGY, v.21, no.1
- Journal Title
- BMC OPHTHALMOLOGY
- Volume
- 21
- Number
- 1
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/74687
- DOI
- 10.1186/s12886-021-02152-6
- ISSN
- 1471-2415
1471-2415
- Abstract
- Background To identify disease-specific cytokine and growth factor profile differences in the aqueous humor between wet age-related macular degeneration (AMD) patients and age-matched controls and to correlate their levels with the optical coherence tomography (OCT) findings. Methods Aqueous humors were obtained from 13 wet AMD eyes and 10 control eyes. Twenty cytokines and growth factors were measured using a RayBio antibody microarray technology in wet AMD and control eyes. Results The samples obtained from wet AMD patients exhibited a significantly increased expression of MCP-1, MIP-1 alpha, MIP-1 beta, and vascular endothelial growth factor (VEGF). Subretinal fluid (SRF) patients showed significantly lower levels of proinflammatory cytokines, such as IL-1 alpha and GM-CSF, than those without SRF. Pigment epithelial detachments (PED) patients showed lower levels of inflammatory cytokines, such as GM-CSF, IFN-gamma, and TNF-alpha, than those without PED. Subretinal tissue (SRT) patients showed a higher level of IFN-gamma than those without SRT. Compared with the controls, type 1 macular neovascularization (MNV) patients showed increased levels of MCP-1, MIP-1 alpha, and MIP-1 beta, but not VEGF (p = 0.083). However, type 2 MNV patients showed increased levels of MCP-1 and VEGF (p = 0.040 and p = 0.040). Conclusion Inflammatory cytokines varied according to the type of AMD- and OCT-based parameters. Our observation of low levels of VEGF in patients with type 1 MNV implies that the inhibition of VEGF alone appears to be insufficient treatment for these patients and that cytokines such as MCP-1, MIP-1 alpha, and MIP-1 beta should be modulated. And the presence of SRF in MNV may be associated with a positive prognosis because we found relatively low levels of proinflammatory cytokines.
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