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Regulation of Wnt7b but not Wnt4 expression by Hgf. WT mouse cells were treated with a Hgf-neutralizing antibody (H) or IGF-neutralizing antibody (I) before RNA extraction. C, control untreated cells. (A) RT-PCR was used to amplify the three isoforms (RTH, MHR and MLL) of Wnt7b as shown in Fig. 3. (B) RT-PCR for Wnt4 from cells treated as in A.
