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. 2022 Feb 26;29:10732748221081369. doi: 10.1177/10732748221081369

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© The Author(s) 2022

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 2. — Expression of PER2 in CRC cell lines. (A) Detect the expression of PER2 in CRC cell lines by western blot analysis; (B) statistical results of the expression of PER2 in CRC cell lines by western blot analysis; (C) PER2 expression in CRC cell lines as determined by qPCR (**** P <.0001); (D) periodic changes in PER2 expression in RKO cells as detected by qPCR (**P<.01, **** P <.0001). PER2, Period 2; CRC, Colorectal cancer.