Zebrafish wild type AB line was purchased from the China zebrafish resource center. MiR-202-5p-/- zebrafish were generated in our laboratory previously [17 (link)]. Fish were raised at 28 °C with 10 h darkness and 14 h light and were fed with commercial pellets twice a day. All embryos were collected after natural spawning and staged as previously reported [18 (link)].
ZBE3 cells derived from zebrafish embryos were cultured at 28 °C as previously described [19 (link)]. HEK 293T cells were maintained in Dulbecco’s modified Eagle’s medium (DMEM) supplemented with heat inactivated 10% FBS (Invitrogen, California, USA), pyruvate glucose, and L-glutamine (Gibco, California, USA), at 37 °C under a humidified atmosphere of air containing 5% CO2.
The anti-Flag (M20008) and anti-HA antibodies (M20013) were purchased from Abmart (Guangzhou, China). Anti-α-Tubulin (ab15246) and anti-GFP antibodies (G1544) were purchased from Abcam (London, Britain) and Sigma (Missouri, USA), respectively. The secondary antibodies goat anti-rabbit IgG-HRP and goat anti-mouse IgG-HRP were purchased from Invitrogen.
miRNA mimics for miR-202-5p, hsa-miR-202-5p, and negative controls of miRNA mimics (Ctrl-m) were purchased from Ribobio (Guangzhou, China).
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