TUBB3 and retinoblastoma: Rather, in retinoblastoma cells, retinal-loukoumasomes were immunolabeled by tubulin antibodies including the anti-neuronal-loukoumasome beta-III tubulin antibody SDL.3D10, a second beta-III tubulin antibody Tu-20, an alpha-tubulin antibody and a detyrosinated tubulin antibody.