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. Author manuscript; available in PMC: 2007 Mar 12.
Published in final edited form as: Mech Dev. 2006 Sep 10;124(1):11–22. doi: 10.1016/j.mod.2006.09.001

Figure 1.

Figure 1

MT1-MMP and GelA expression is activated early during Xenopus laevis development. Total RNA (200 ng/reaction) from whole animals at indicated stages was analyzed by RT-PCR using specific primers for MT1-MMP, GelA, and histone H4 (as a loading control). Note that the expression of MT1-MMP was detected in gastrulae (by stage 12) while GelA becomes detectable by stage 30, prior to hatching around stages 35/36. The age in days when the embryos or tadpoles develop into the indicated stages are indicated at the bottom.