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Systemic frequencies of T helper 1 and T helper 17 cells in patients with age-related macular degeneration: A case-control study

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Vis graf over relationer

Age-related macular degeneration (AMD) is a degenerative disease of the retina and a leading cause of irreversible vision loss. We investigated the systemic differences in the frequency of T helper (Th) 1 and Th17 cells in patients with non-exudative and exudative AMD and compared to age-matched controls. Flow cytometry was used to determine the systemic frequency of Th1 (CD4+CXCR3+IL12RB2+) and Th17 (CD4+CCR6+IL23R+) cells, and percentage of CD4+ T-cells expressing CXCR3, IL12RB2, CCR6, IL23R, and co-expressing CXCR3 and CCR6. The frequency of Th1 cells and CXCR3+ CD4+ T-cells was lower in patients with exudative AMD. A significant age-dependent decrement in Th1 was observed in controls, but not in non-exudative or exudative AMD. This may be related to the CXCR3+ CD4+ T-cells, which showed similar pattern in controls, but not in non-exudative or exudative AMD. No significant group differences were observed for the frequency of Th17 cells. Correlation networks found several differences between controls and AMD. These data suggests the involvement of the adaptive immune system in AMD and supports the notion of AMD as a systemic disease. Our observations warrant further investigation into the role of the adaptive immune system in the pathogenesis of AMD.

OriginalsprogEngelsk
TidsskriftScientific Reports
Vol/bind7
Udgave nummer1
Sider (fra-til)605
ISSN2045-2322
DOI
StatusUdgivet - 4 apr. 2017

ID: 52217691