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Updated: Apr 8, 2026

Advanced Animal Model of Colorectal Metastasis in Liver: Imaging Techniques and Properties of Metastatic Clones
Published on: November 30, 2016
Molecular targets and pathways involved in liver metastasis of colorectal cancer
Ulrich H Weidle1, Fabian Birzele, Achim Krüger
1Institut für Molekulare Immunologie und Experimentelle Onkologie, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Str. 22, 81675, Munich, Germany.
Abstract:
We here summarize the current view of molecular mechanisms involved in the dissemination process of colorectal cancer cells to the liver as deduced from preclinical models. We focus on molecular aspects of the current understanding of the biology of liver metastases formation and survival, both being crucial for identification and validation of possible therapeutic targets and review the latest findings elucidating some features of the liver as a metastatic niche. In more detail, we outline the role of proteases and of major pathways such asc-MET signaling and its modulation by factors such as MACC1 and TIMP1, as well as Notch and TGFβ signaling. The relevance of these signalling pathways during tumor-stroma interactions in this context will be addressed. In addition, the functional role and validation of targets such as PRL3, Trop-2, L1CAM, S100A4, S100P, CD133, LIPC, and APOBEC3G are summarized.
Insights
This study reviews molecular mechanisms of colorectal cancer liver metastasis using preclinical models. It highlights key pathways and targets for developing new therapies against liver metastases.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Metastasis
Background:
- Colorectal cancer (CRC) frequently metastasizes to the liver.
- Understanding liver metastasis mechanisms is crucial for effective treatment strategies.
Purpose of the Study:
- To summarize molecular mechanisms of CRC liver metastasis.
- To review the liver as a metastatic niche.
- To identify potential therapeutic targets.
Main Methods:
- Review of preclinical models of CRC liver metastasis.
- Analysis of molecular pathways involved in metastasis and survival.
- Summary of validated therapeutic targets.
Main Results:
- Key molecular pathways include c-MET signaling, Notch, and TGFβ.
- Proteases, MACC1, and TIMP1 play significant roles.
- The liver's unique features as a metastatic niche are elucidated.
- Several targets like PRL3, Trop-2, and CD133 are validated.
Conclusions:
- Molecular insights into CRC liver metastasis provide a basis for targeted therapies.
- Understanding tumor-stroma interactions is vital for therapeutic development.
- Further research into identified pathways and targets can improve patient outcomes.
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