EPHA2 and Leber congenital amaurosis: The other in vitro study in a mouse atrial myocyte tumour cell line did not measure cell viability or function either, but found that treatment with LCA does not affect the activation of erythropoietin-producing human hepatocellular carcinoma receptor tyrosine kinase A2 (EphA2), which result in cell death (Jehle et al., 2012).