Abstract
Identification of the cellular origin of primary liver cancer remains challenging. Some data point toward liver stem cells (LSCs) or liver progenitor cells (LPCs) not only as propagators of liver regeneration, but also as initiators of liver cancer. LSCs exhibit a long lifespan and strong duplicative potential upon activation and are inclined to accumulate more mutations that can be passed down to the next generations. Recent evidence shows that dysregulation of signaling pathways associated with self-renewal of LSCs can drive their aberrant proliferation and even malignant transformation. If LSCs could be proved to be an initiator of liver carcinogenesis, they would be promising for ultra-early diagnosis and targeting therapy of liver cancer. This review mainly summarizes the potential role of LSCs in the carcinogenesis of primary liver cancer.
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Acknowledgements
This work is supported by the National Key Basic Research and Development Program of China (2010CB945600, 2011CB966202), the National Natural Science Foundation of China (30971462) and Shanghai Innovation Foundation (15JC1403900). We thank Prof. Xian Gong for the critical reading of the manuscript.
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X.-S. Zhi and J. Xiong have contributed to this work equally.
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Zhi, XS., Xiong, J., Zi, XY. et al. The potential role of liver stem cells in initiation of primary liver cancer. Hepatol Int 10, 893–901 (2016). https://doi.org/10.1007/s12072-016-9730-9
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DOI: https://doi.org/10.1007/s12072-016-9730-9