... in (B 4) showing RPE65c staining (B 5), GS staining (B 6), merged RPE65c and GS staining (B 7), and DAPI staining(B 8), respectively. White arrows indicate overlapped signals in the area of Mu ¨ ller ... immunostaining of RPE65c (B 1), GS(B 2), merged RPE65c and GS staining (B 3), and 4¢,6-diamidino-2-phenylindole (DAPI) staining (B 4), respectively. (B5- 8) High magnificationimages of the boxed area in ... containing atRE in the presence of 1mM bipyridine (B) and liposomes containing atRE, in the presence of 1 mM bipyridine and 6 mM FeSO4(C). The generated retinoidswere analyzed by HPLC. The...