Overlapping and specific patterns of GDNF, c-ret and GFRα mRNA expression in the developing chicken retina
GDNF and the GDNF receptors, c-Ret, GFRα1 and 2 mRNA is expressed in the developing chicken retina. GDNF labelling was mainly found in embryonic day 4-5 retina but weak labelling could also be found over scattered retinal cells at later stages. c-ret labelling was found over ganglion cells, amacrine and horizontal cells; the preferred GDNF receptor (GFRα1) over amacrine and horizontal cells; and t
