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. 2018 Dec 28;24(48):5454–5461. doi: 10.3748/wjg.v24.i48.5454

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©The Author(s) 2018. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial.

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Glycosylation of prostaglandin-endoperoxide synthase 2 in colorectal cancer. The main form in colorectal cancer tissues is the glycosylated 72 kDa protein. This glycosylated prostaglandin-endoperoxide synthase 2 (PTGS2) is also expressed in several tumor colonic cell lines and can be deglycosylated after incubation of the cells with glucosamine or tunikamycin. After this treatment, PTGS2 is rapidly degraded via proteasomal activity. CRC: Colorectal cancer; PTGS: Prostaglandin-endoperoxide synthase.