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Expression of neurotrophins and regenerations-associated genes. Quantitative PCR was performed on corneas after lamellar flap surgery and gene expression compared to fellow eye was determined at weeks 2, 4 and 8. More than 2 fold increase was considered significant. Among neurotrophins, Bdnf is most significantly expressed. Among regeneration-associated genes, Sprr1s is most significantly expressed. Gene expression was determined in triplicate/time point.
