Figure 1
- ID
- ZDB-FIG-220314-70
- Publication
- Qi et al., 2022 - Apelin signaling dependent endocardial protrusions promote cardiac trabeculation in zebrafish
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(A-D) Confocal projection images of the heart of Tg(myl7:mCherry-CAAX); Tg(cdh5:Gal4ff); Tg(UAS:LIFEACT-GFP) zebrafish at 24 (A), 48 (B), 60 (C) and 72 (D) hpf. (A-A’’) Endocardial protrusions (arrows) towards the myocardium at 24 hpf. (B-B’’) Endocardial protrusions (arrows) and touchdowns (asterisks) with the myocardium at 48 hpf. (C-C’’’) Endocardial protrusions (arrows) during CM delamination (arrowheads) at 60 hpf. (C’’’) 3D surface rendering of the area in the yellow box in C’. (D-D’’’) Endocardial protrusions (arrows) during trabecular assembly and expansion (arrowheads) at 72 hpf. (D’’’) 3D surface rendering of the area in the yellow box in D’. (A’’’’-D’’’’) Schematics of endocardial protrusions, endocardial touchdowns, CM delamination, and trabecular expansion. Black asterisks indicate delaminating CMs; purple asterisks indicate trabeculae. (E-H) Still images from a spinning disc time-lapse movie of a 48 hpf Tg(myl7:mCherry-CAAX); Tg(cdh5:Gal4ff); Tg(UAS:LIFEACT-GFP) heart; white asterisks indicate endocardial touchdowns; numbers in the bottom right corner refer to seconds. All images are ventral views, anterior to the top. V, ventricle; A, atrium.
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