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Fig. 5. TGFß ligands and receptors are expressed in P10 rat retina. (A-F)
Immunolocalization of TGFßRI (red, A) and II (red, D) glast-positive (C,F
green) cell bodies (arrowheads) and processes (arrows) in central retina.
(G-I) TGFß2 (red) is expressed by ß3 tubulin-positive (green)
neurons of the inner retina (arrowheads). (J) RT-PCR analysis shows that
transcripts for TGFß ligands 1 and 3, as well as for receptors I and II,
are expressed in P10 rat retinas. (K) Quantitative RT-PCR showing TGFß2
is expressed 12-fold higher than TGFß1 at P10. Scale bar: 50 µm.