{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,21]],"date-time":"2026-05-21T12:21:34Z","timestamp":1779366094403,"version":"3.53.0"},"reference-count":23,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2023,5,22]],"date-time":"2023-05-22T00:00:00Z","timestamp":1684713600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cancer Medicine"],"published-print":{"date-parts":[[2023,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Colorectal cancer (CRC) is one of the most common and lethal malignancies which including colon and rectum cancer. Tripartite motif containing 55 (TRIM55) is an E3 ubiquitin ligase belonging to the TRIM family. Although the aberrant TRIM55 expression has been implicated in several tumors, its functional role, and molecular mechanisms in CRC remain unknown.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Immunohistochemical studies, qRT\u2010PCR, and Western blot were performed to analyze the expression of TRIM55 in CRC patients and cell lines. TRIM55 expression and its relevance to clinical traits and prognosis were further explored in the TCGA database, and in our 87 clinical samples. Subsequently, we performed a series of functional assays to explore the effect of TRIM55 on CRC progression. Finally, the molecular mechanism of TRIM55 was investigated by immunoprecipitation and ubiquitination analyses.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Here, we demonstrated that TRIM55 was markedly downregulated in CRC cell lines and tumors from CRC patients. Moreover, overexpression of TRIM55 could suppress CRC cell growth in vitro and inhibit CRC xenograft tumor development in vivo. Additionally, TRIM55 overexpression dampened CRC cell migration and invasion. Further bioinformatics analysis indicated that TRIM55 suppressed cyclin D1 and c\u2010Myc expression. Mechanistically, co\u2010immunoprecipitation assay revealed that TRIM55 directly interacted with c\u2010Myc and down\u2010regulated its protein expression level via protein ubiquitination. Intriguingly, c\u2010Myc overexpression partially antagonized the function of TRIM55 overexpression.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Taken together, our findings suggest that TRIM55 inhibits CRC tumor development via, at least in part, enhancing protein degradation of c\u2010Myc. Targeting TRIM55 could provide a new therapeutic approach for CRC patients.<\/jats:p><\/jats:sec>","DOI":"10.1002\/cam4.6020","type":"journal-article","created":{"date-parts":[[2023,5,22]],"date-time":"2023-05-22T11:44:46Z","timestamp":1684755886000},"page":"13511-13521","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["<scp>TRIM55<\/scp> inhibits colorectal cancer development via enhancing protein degradation of <scp>c\u2010Myc<\/scp>"],"prefix":"10.1002","volume":"12","author":[{"given":"Min","family":"Lin","sequence":"first","affiliation":[{"name":"Central Laboratory, Sanmen People's Hospital of Zhejiang Province  Taizhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zejun","family":"Fang","sequence":"additional","affiliation":[{"name":"Central Laboratory, Sanmen People's Hospital of Zhejiang Province  Taizhou 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