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Figure Caption
Fig. 3 S1
Sox9 activity is not perturbed by treatment in vivo.
(A) Timeline of treatment: Zebrafish larvae were treated continuously for four days during chondrogenesis. Medium was refreshed daily throughout the experiment to maintain Sm4 levels. (B) tg(col2a1:YFP) Sox9 reporter larvae marking cartilage (Mitchell et al., 2013). YFP levels were unaffected in presence of Sm4, and no changes in chondrogenesis were observed. mc: Meckel’s cartilage, ch: ceratohyal, hs: hyosymplectic. (C) qRT-PCR of yfp transcript levels in DMSO control and Sm4 treated larvae at a series of stages throughout chondrogenesis.
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