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Dynamics of local levels of cytokines in patients with corneal ectasias after UV cross-linking

Poster Details

First Author: A.Khalimov RUSSIA

Co Author(s):    M. Bikbov   N. Shevchuk   G. Bikbova        

Abstract Details


To study the dynamics of cytokine levels in tears of patients with tear corneal ectasis after UV cross-linking.


Ufa Eye Research Institute, Ufa, Russia


We examined 24 patients (15 men, 9 women) with keratectasis, average age 30,3±2,5 years. 11 control healthy individuals. CCL was performed according to standard procedures Epi-off, Riboflavin + UVA irradiation 15 min, 370 nm, 3 mW / cm ². Observation periods were 3, 7 and 14 days after the CCL. In tears TNF-α, IL-1β and IF-α were determined by ELISA 450 nm wavelength.


No differences in the levels of cytokines, depending on the sex of the patients have been identified. In patients with keratectasis was a significant increase in the local concentration of TNF-α and IF-α at a normal level of IL-1β. On day 3 after CCL is registered the transient increase in content of IF-α, IL-1β in tear. Changes in levels of cytokines may be associated with immunological response to deepithelialization and UV irradiation of the cornea.


In patients with keratectasis was detected the elevation of TNF-α and IF-α in tears. Corneal cross-linking contributes to momentarily increase in local levels of IL-1β and IF-α, causing no significant inflammatory response. FINANCIAL INTEREST: NONE

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