- Eph/ephrin expression in the adult rat visual system following localized retinal lesions: localized and transneuronal up-regulation in the retina and superior colliculus. Rodger, J., Symonds, A.C., Springbett, J., Shen, W.Y., Bartlett, C.A., Rakoczy, P.E., Beazley, L.D., Dunlop, S.A. Eur. J. Neurosci. (2005)