Meteorin acts as a molecular determinant of CNG.(A) Schematic representation of metrn CRISPR mutation (red). (B) Confocal z-sections of metrn, id1, and cdh11 mRNA in the ventricle (white dotted outline) at 6 dpf in wild-type and metrn−/− embryos. (C) Quantification of percent survival of adult wild-type and metrn+/− animals. (D) Confocal maximum z-projection of nucGFP+ number (white arrowheads) in the ventricle (white dotted outline) at 6 dpf in Tg(gfap:nucGFP) wild-type and metrn−/− embryos. (E) Quantification of Tg(gfap:nucGFP)+ number at 6 dpf over various manipulations of the differentiation pathway. (F) Quantification of Tg(gfap:nucGFP)+ number after wash-in/wash-out of S31-201 at different time points. Crossover between the curves indicates a functional role between 4–5 dpf. Data are represented as mean ± SEM. Scale bar equals 10 μm. Statistics summarized in S1 Table. See S1 Data for raw data. aa, amino acid; CNG, cardiac nexus glia; dpf, days postfertilization; mpf, months postfertilization; V, ventricle.
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