{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T01:46:36Z","timestamp":1760147196899,"version":"build-2065373602"},"reference-count":68,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2023,1,16]],"date-time":"2023-01-16T00:00:00Z","timestamp":1673827200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cancers"],"abstract":"<jats:p>Background: As colorectal cancer (CRC) patients with peritoneal metastases (PM) have a poor prognosis, new treatment options are currently being investigated for CRC patients. Specific biomarkers in the primary tumor could serve as a prediction tool to estimate the risk of distant metastatic spread. This would help identify patients eligible for early treatment. Aim: To give an overview of previously studied DNA and RNA alterations in the primary tumor correlated to colorectal PM and investigate which gene mutations should be further studied. Methods: A systematic review of all published studies reporting genomic analyses on the primary tissue of CRC tumors in relation to PM was undertaken according to PRISMA guidelines. Results: Overall, 32 studies with 18,906 patients were included. BRAF mutations were analyzed in 17 articles, of which 10 found a significant association with PM. For all other reported genes, no association with PM was found. Two analyses with broader cancer panels did not reveal any new biomarkers. Conclusion: An association of specific biomarkers in the primary tumors of CRC patients with metastatic spread into peritoneum could not be proven. The role of BRAF mutations should be further investigated. In addition, studies searching for potential novel biomarkers are still required.<\/jats:p>","DOI":"10.3390\/cancers15020549","type":"journal-article","created":{"date-parts":[[2023,1,17]],"date-time":"2023-01-17T02:58:16Z","timestamp":1673924296000},"page":"549","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["DNA and RNA Alterations Associated with Colorectal Peritoneal Metastases: A Systematic Review"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5352-8704","authenticated-orcid":false,"given":"Danique J. I.","family":"Heuvelings","sequence":"first","affiliation":[{"name":"NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, 6229 ER Maastricht, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8120-4248","authenticated-orcid":false,"given":"Anne G. W. E.","family":"Wintjens","sequence":"additional","affiliation":[{"name":"NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, 6229 ER Maastricht, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2350-1521","authenticated-orcid":false,"given":"Julien","family":"Luyten","sequence":"additional","affiliation":[{"name":"Department of General Surgery, Maastricht University Medical Center (MUMC+), 6202 AZ Maastricht, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1192-0729","authenticated-orcid":false,"given":"Guus E. W. A.","family":"Wilmink","sequence":"additional","affiliation":[{"name":"Department of General Surgery, Maastricht University Medical Center (MUMC+), 6202 AZ Maastricht, The Netherlands"},{"name":"Faculty of Science and Engineering, Maastricht University, 6229 ER Maastricht, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3699-2534","authenticated-orcid":false,"given":"Laura","family":"Moonen","sequence":"additional","affiliation":[{"name":"Department of Pathology, Maastricht University Medical Center (MUMC+), 6202 AZ Maastricht, The Netherlands"},{"name":"GROW\u2013School for Oncology and Reproduction, Maastricht University, 6229 ER Maastricht, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3016-2989","authenticated-orcid":false,"given":"Ernst-Jan M.","family":"Speel","sequence":"additional","affiliation":[{"name":"Department of Pathology, Maastricht University Medical Center (MUMC+), 6202 AZ Maastricht, The Netherlands"},{"name":"GROW\u2013School for Oncology and Reproduction, Maastricht University, 6229 ER Maastricht, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ignace H. J. T.","family":"de Hingh","sequence":"additional","affiliation":[{"name":"GROW\u2013School for Oncology and Reproduction, Maastricht University, 6229 ER Maastricht, The Netherlands"},{"name":"Department of General Surgery, Catharina Ziekenhuis, 5623 EJ Eindhoven, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nicole D.","family":"Bouvy","sequence":"additional","affiliation":[{"name":"Department of General Surgery, Maastricht University Medical Center (MUMC+), 6202 AZ Maastricht, The Netherlands"},{"name":"GROW\u2013School for Oncology and Reproduction, Maastricht University, 6229 ER Maastricht, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrea","family":"Peeters","sequence":"additional","affiliation":[{"name":"Department of Clinical Epidemiology and Medical Technology Assessment, Maastricht University Medical Centre (MUMC+), 6202 AZ Maastricht, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,1,16]]},"reference":[{"key":"ref_1","first-page":"8928","article-title":"Molecular biomarkers for the detection of metastatic colorectal cancer cells","volume":"20","author":"Kamiyama","year":"2014","journal-title":"World J. 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