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Updated: May 28, 2026
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Advanced Animal Model of Colorectal Metastasis in Liver: Imaging Techniques and Properties of Metastatic Clones
Published on: November 30, 2016
APOBEC3G promotes liver metastasis in an orthotopic mouse model of colorectal cancer and predicts human hepatic
Qingqing Ding1, Chun-Ju Chang, Xiaoming Xie
1Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
The Journal of Clinical Investigation
|October 12, 2011
Summary
Researchers identified key genes, including APOBEC3G, that drive colorectal cancer liver metastasis. These genes may help predict metastasis risk and offer new diagnostic and treatment targets.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Colorectal cancer is a leading cause of cancer death in the U.S.
- Liver metastasis occurs in one-third of patients who die from colorectal cancer.
- The molecular mechanisms driving colorectal cancer liver metastasis are not well understood.
Purpose of the Study:
- To identify genes and molecular mechanisms critical for colorectal cancer liver metastasis.
- To explore the potential of identified genes as biomarkers for hepatic metastasis.
- To elucidate novel pathways involved in colorectal cancer progression.
Main Methods:
- Utilized functional selection in an orthotopic mouse model of colorectal cancer.
- Analyzed gene expression in human hepatic metastasis and primary colorectal tumors.
- Investigated the role of APOBEC3G in promoting metastasis via microRNA regulation.
Main Results:
- Identified APOBEC3G, CD133, LIPC, and S100P as key genes in colorectal cancer liver metastasis.
- Found high expression of these genes in human hepatic metastases and primary tumors.
- Discovered that APOBEC3G promotes metastasis by inhibiting miR-29, which suppresses MMP2.
Conclusions:
- The identified genes (APOBEC3G, CD133, LIPC, S100P) are crucial for colorectal cancer liver metastasis.
- These genes show potential as predictive biomarkers for hepatic metastasis.
- A novel mechanism involving APOBEC3G, miR-29, and MMP2 in metastasis was revealed, offering potential therapeutic targets.
