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Fig. 5

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ZDB-IMAGE-180817-26
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Figures for Hofsteen et al., 2018
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Figure Caption

Fig. 5

ALPK2 Inhibits WNT/β-Catenin Signaling to Promote Cardiogenesis

(A) Transcripts abundance of ALPK2 in control and ALPK2 shRNA-transfected cardiac progenitor cells (CPCs) derived from human embryonic stem cells (hESCs).

(B) Flow cytometric plot and graphs quantifying venus expression driven by β-catenin activated reporter (BAR) in live CPCs following control or ALPK2 shRNA transfection as hESCs.

(C) Western blot protein expression analysis of WNT/β-catenin signaling modulators in wild-type and CRISPR/Cas9-mediated ALPK2 mutant hESC-derived CPCs (ALPK2Δ10) treated with a small molecule direct tankyrase inhibitor XAV939 (1 μM).

(D) Western blotting for the WNT/β-catenin signaling target LEF1 in wild-type and ALPK2Δ10 cells with or without the addition of XAV939 (0 or 1 μM).

(E) TNNT2 flow cytometry quantification of day 14 cardiomyocytes derived from wild-type and ALPK2Δ10 hESCs treated with XAV939 (0, 1, 5 μM).

(F) Representative images of heat shocked (hs) wild-type and hsWnt8b transgenic zebrafish carrying a transgene for the epicardium (tcf21:DsRed) at 96 hpf. Fish were counterstained with an activated leukocyte cell adhesion molecule (ALCAM; magenta).

N = 3–5 biological replicates, and data are displayed as mean ± SEM. * = p ≤ 0.05. See also Figure S4.

Figure Data
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