ZFIN Image: Sánchez-Iranzo et al., 2018, Fig. 9

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Figure Caption

Fig. 9

Trabecular tbx5a-derived cardiomyocytes within the cortical myocardium are surrounded by Laminin. Immunofluorescence with anti-Laminin, anti-GFP, and anti-Myosin Heavy Chain (MHC) on ventricle sections. a–f Uninjured adult tbx5a:GFP ventricle. Laminin expression was observed in the cortical layer but not in the trabecular layer showing a complementary pattern with tbx5a:GFP (n = 3/3). g–r Double transgenic tbx5a:mCherry-p2a-CreER^T2;ubb:loxP-lacZ-loxP-GFP adult fish were treated with 4-Hydroxytamoxifen (4-OHT) from 84 to 72 and 60 to 48 hours before cryoinjury. Hearts were fixed at 90 days postinjury (dpi). GFP⁺ cells marking the tbx5a lineage within the cortical layer were surrounded by Laminin staining (n = 6/6). at, atrium; ba, bulbus arteriosus; v, ventricle. Scale bars, a, g 100 µm, c, m 25 μm, and h, n 10 µm

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