ArticleCancer science2025
CDX2 Promoter-Controlled Oncolytic Adenovirus Suppresses Tumor Growth and Liver Metastasis of Colorectal Cancer.
Article in Cancer science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- Review
- CDX2 Promoter-Controlled Oncolytic Adenovirus Suppresses Tumor Growth and Liver Metastasis of Colorectal Cancer.Cancer science · 2025Article
- Synergy of oncolytic adenovirus and immune checkpoint inhibitors: transforming cancer immunotherapy paradigms.Frontiers in immunology · 2025Review
- Case report: Local and systemic combination therapy: endoscopic injection of an oncolytic virus with PD-1 inhibitor for an elderly patient with advanced gastrointestinal cancer.Frontiers in immunology · 2025Article
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Authors and funding
5 authors.
Funding
Abstract
Colorectal cancer (CRC) is the second leading cause of cancer death worldwide, and liver metastasis (CRLM) is the most common among its distant metastases. We have recently generated a CDX2 promoter-controlled oncolytic adenovirus (Ad5/3-pCDX2) that showed an anticancer effect for CDX2-positive upper gastrointestinal tumors. Here, we reported the anticancer effect of Ad5/3-pCDX2 for CDX2-positive CRC and CRLM, and its combination efficacy with 5-fluorouracil (5FU) in vitro and in vivo. We used HT29 as CDX2-positive, and LS174T and SW480 as CDX2-negative CRC cell lines. Without 5FU, Ad5/3-pCDX2 killed HT29 but not LS174T and SW480 cells. In vitro, 5FU exposure upregulated CDX2 mRNA levels in all three cell lines. The 5FU combination enhanced the cytocidal effect and virus replication of Ad5/3-pCDX2 in CDX2-negative LS174T. In mouse xenograft models, Ad5/3-pCDX2 monotherapy suppressed the HT29 subcutaneous tumor growth compared to the control group. The 5FU plus Ad5/3-pCDX2 combination therapy showed a remarkable antitumor effect over the efficacy of Ad5/3-pCDX2 monotherapy. In the LS174T subcutaneous tumor, although Ad5/3-pCDX2 monotherapy did not show an antitumor effect, the 5FU plus Ad5/3-pCDX2 combination therapy significantly suppressed the tumor growth compared to the Ad5/3-pCDX2 monotherapy. In mice with HT29 liver metastasis, intrasplenic injection of Ad5/3-pCDX2 induced virus replication in liver tumors and thus successfully attenuated tumor growth. In conclusion, Ad5/3-pCDX2 showed a significant anticancer effect that was enhanced by 5FU treatment in not only CDX2-positive but also negative CRCs. Ad5/3-pCDX2 is a promising therapeutic modality for metastatic CRC such as CRLM.
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