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Fig. 3. Wnt in regeneration. (A,B) Inverse gradients of Wnt
and Dkk proteins in Hydra pattern formation during budding and regeneration.
(C,D) Overlapping ring-like expression domains of hyWntA (C) and
hywnt6 (D) during Hydra bud formation (H. Bode and T. Holstein, unpublished).
(E,F) Zebrafish tail fin regeneration, which requires
Wnt/ß-catenin signaling (R. Moon, personal communication). Image courtesy
of Christi Stoick, University of Washington, Seattle, WA, USA. (A) Reproduced,
with permission, from Hobmayer et al.
(Hobmayer et al., 2000). (B)
Reproduced, with permission, from Guder et al.
(Guder et al., 2006).
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