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Circ_0002137 Knockdown Suppresses Tumorigenesis of OS in Xenograft Model. A, Tumour growth curves of circ_0002137 inhibitor and si‐NC transfected U2OS cells and MG‐63 in nude mice. ***P < .001. B, The graph of tumour weight indicated circ_0002137 could suppressed the tumour growth in OS model. ***P < .001; **P < .01. C, D, qRT‐PCR was used to evaluate the mRNA level of Ki‐67 and caspase 3 in nodules. ***P < .001; **P < .01
