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. 2024 Jan 24;31(4):562–573. doi: 10.1038/s41417-024-00731-5

Fig. 4. METTL3 regulates RanGAP1 by recruiting YTHDF1 to promote the progression of CRC.

Fig. 4

A RIP assays showed the binding between the METTL3 protein and RanGAP1 mRNA. B The protein levels of RanGAP1 in METTL3 knockdown CRC cells. C m6A motifs were identified by MeRIP-seq in METTL3 silenced HCT116 and control group. D SRAMP website showed the potential site of m6A modification of RanGAP1 mRNA. E METTL3 knockdown reduced m6A modification of RanGAP1 mRNA in HCT116 cells. F Luciferase reporter assays showed the m6A modification affect the expression of RanGAP1. G RNA stability of RanGAP1 mRNA in downregulating METTL3 CRC cells and control cells after giving actinomycin D (5 μg/mL). H RIP assays showed the binding between the YTHDF1 protein and RanGAP1 mRNA in DLD1 cells. I The protein levels of RanGAP1 in YTHDF1 silenced CRC cells. J The protein expression levels in CRC cells transfected stably with the shNC+Control, shMETTL3+Control, shMETTL3+RanGAP1, shYTHDF1+Control and shYTHDF1 + RanGAP1. K–N The downtrend of proliferation, migration and invasion by shMETTL3 or shYTHDF1 of HCT116 and DLD1 were sectionally recurred because of RanGAP1 overexpressing.