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. 2020 Jul 23;11(7):566. doi: 10.1038/s41419-020-02795-1

Fig. 3. YTHDC1 and SRSF3 are responsible for the mRNA fusion gene export process.

Fig. 3

a Screening of mRNA export-related proteins that are specifically responsible for PML-RARα mRNA. b PML-RARα was diminished after knockdown of SRSF3 or YTHDC1 in NB4 cells. The data were obtained from three independent experiments. c Wright–Giemsa staining assays showed that phenotypes of the nuclei changed to a lobulated morphology after inhibiting YTHDC1 or SRSF33. Scale bar represents 20 μm. d Representative graphs for the flow cytometric analysis of myeloid markers of CD11b, CD14, and CD15 in NB4 when the YTHDC1 and SRSF3 were knocked down. Histogram plots show the statistical values. Error bars reflect ± SEM in three independent experiments. Error bars reflect ± SEM in three independent experiments (***p < 0.001). e YTHDC1 and SRSF3 transcripts expressions do not change significantly after knockdown of MALAT1 in NB4 cells. f Fusion mRNA transport process was dependent on YTHDC1. RNA FISH assay for testing PML-RARα mRNA transport by transfecting constructs of PML-RARα-EGFP-12×MS2bs and YTHDC1-MS2 upon knocking down MALAT1 in HEK-293T cells. Scale bar represents 4 μm. Data are shown as the means ± s.e.m.; n = 3 independent experiments.