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Fig. 4. Expression of EphB2, EphB3, ephrin-B2 and ephrin-B1 in
RCAS-DNcTRß2-infected retinae. Flat-mounted E7 retina oriented with
dorsal towards the top, ventral towards the bottom, anterior (nasal) towards
the left and posterior (temporal) towards the right, injected with
RCAS-DNcTRß2 on which double in situ hybridization was carried out with
the following probes: EphB2 (purple signal, A) and RCAS (blue signal, B),
EphB3 (purple signal, C) and RCAS (blue signal, D), ephrin B2 (purple signal,
E) and RCAS (blue signal, F) and ephrin B1 (purple signal, G) and RCAS (blue
signal, H). X-gal staining of DF-1 cells transfected with DR4-lacZ
(TH-reporter) alone (I) and with DR4-lacZ+ RCAS-DNcTRß2 (J).