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Evolutions of the Management of Colorectal Cancer Liver Metastasis: A Bibliometric Analysis.

ABSTRACT: Background: Tremendous progress has been made in the treatment of colorectal cancer liver metastasis (CRCLM) in recent decades, and thousands of papers have been published. Therefore, we conducted a bibliometric analysis of articles related to CRCLM treatment to explore its evolution. Materials and Methods: The Clarivate Analytics Web of Science (WOS) Core Collection database was searched through June 2020 using terms related to CRCLM treatment. We analyzed the bibliographic information of the literature related to CRCLM treatment and explored the research topics to understand its evolution over time. Results: We identified 3436 records related to CRCLM treatment in the WOS database. The total number of times these documents were cited ranged 0-2352, and the years of publication spanned 1976-2020. The greatest numbers of articles were published in the United States, Japan, and France. Among institutions, Memorial Sloan-Kettering Cancer Center, MD Anderson Cancer Center, and Oslo University Hospital published the most articles. Regarding authors, Jarnagin WR, Adam R, Vauthey JN published the most articles. The research topics of these articles included systemic chemotherapy, molecular targeted therapy, the outcome of liver resection, prognosis prediction, hepatic artery infusion, radiofrequency ablation, and two-stage hepatectomy. Conclusion: Bibliometric analysis of studies related to CRCLM treatment can help doctors and researchers quickly understand the development trend in this field. These data emphasize the current management of patients with CRCLM, and they can potentially guide the direction of future research.

SUBMITTER: Jin B

PROVIDER: S-EPMC8120180 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Liver metastasis is one of the major causes of death in colorectal cancer (CRC) patients. To understand this process, we investigated whether the gene expression profiling of matched colorectal carcinomas and liver metastases could reveal key molecular events involved in tumor progression and metastasis. We performed experiments using a cDNA microarray containing 17,104 genes with the following tissue samples: paired tissues of 25 normal colorectal mucosa, 27 primary colorectal tumors, 13 normal liver and 27 liver metastasis, and 20 primary colorectal tumors without liver metastasis. To remove the effect of normal cell contamination, we selected 4,583 organ-specific genes with a false discovery rate (FDR) of 0.0067% by comparing normal colon and liver tissues using significant analysis of microarray, and these genes were excluded from further analysis. We then identified and validated 46 liver metastasis-specific genes with an accuracy of 83.3% by comparing the expression of paired primary colorectal tumors and liver metastases using prediction analysis of microarray. The 46 selected genes contained several known oncogenes and 2 ESTs. To confirm that the results correlated with the microarray expression patterns, we performed RT-PCR with WNT5A and carbonic anhydrase II. Additionally, we observed that 21 of the 46 genes were differentially expressed (FDR = 2.27%) in primary tumors with synchronous liver metastasis compared with primary tumors without liver metastasis. We scanned the human genome using a cDNA microarray and identified 46 genes that may play an important role in the progression of liver metastasis in CRC. Keywords: gene expression profiling using cDNA microarray We performed 17K cDNA microarray with the amplified RNAs from the following tissue samples: normal colorectal mucosa, primary colorectal tumors, normal liver and liver metastasis tumors, and primary colorectal tumors without liver metastasis. Organ-specific genes in normal colon and liver tissues were excluded from the pre-filtered genes, and then we discovered and validated liver metastasis-specific genes commonly up-regulated in the primary colorectal tumors and liver metastasis tumors. To confirm the microarray data, we performed a RT-PCR of two genes (WNT5A and carbonic anhydrase II) in the primary colorectal tumors with and without liver metastases.

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Evolutions of the Management of Colorectal Cancer Liver Metastasis: A Bibliometric Analysis.

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