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. 2022 Feb 14;7:40. doi: 10.1038/s41392-021-00865-0

Fig. 5.

Fig. 5

CircPUM1 maintains mitochondrial homeostasis by regulating the mitochondrial complex III assembly. a Co-IP analysis for the binding affinity between UQCRC2 and UQCRC1 after knockdown of circPUM1 in KYSE30 cell. b Co-IP analysis for the binding affinity between UQCRC2 and UQCRC1 after overexpressing circPUM1 in KYSE410 cell. c, d Fluorescence microscope was used to observe the change of mitochondrial membrane potential (MMP) after knocking down circPUM1 and UQCRC2 in KYSE30 cell, the scale bar is 200 μm. e Flow cytometry was used to analyze the MMP after overexpressing circPUM1 in KYSE410 cells. f Flow cytometry was used to analyze the ROS generation after knocking down circPUM1 and UQCRC2 in KYSE30 cells. g Flow cytometry was used to analyze the ROS generation after overexpressing circPUM1 in KYSE410 cells. h Flow cytometry was used to analyze the MitoSox generation after knocking down circPUM1 and UQCRC2 in KYSE30 cells. i Flow cytometry was used to analyze the MitoSox generation after overexpressing circPUM1 in KYSE410 cells. j Super Resolution Microscope was used to observe mitochondrial morphology after knocking down circPUM1 in KYSE30 cell