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Review
. 2014 Aug;3(4):199-206.
doi: 10.3978/j.issn.2304-3881.2014.06.02.

Are hematopoietic stem cells involved in hepatocarcinogenesis?

Antonio Facciorusso  1 , Matteo Antonino  1 , Valentina Del Prete  1 , Viviana Neve  1 , Maria Principia Scavo  1 , Michele Barone  1
Affiliations
Review

Are hematopoietic stem cells involved in hepatocarcinogenesis?

Antonio Facciorusso et al. Hepatobiliary Surg Nutr. 2014 Aug.

Abstract

THE LIVER HAS THREE CELL LINEAGES ABLE TO PROLIFERATE AFTER A HEPATIC INJURY: the mature hepatocyte, the ductular "bipolar" progenitor cell termed "oval cell" and the putative periductular stem cell. Hepatocytes can only produce other hepatocytes whereas ductular progenitor cells are considerate bipolar since they can give rise to biliary cells or hepatocytes. Periductular stem cells are rare in the liver, have a very long proliferation potential and may be multipotent, being this aspect still under investigation. They originate in the bone marrow since their progeny express genetic markers of donor hematopoietic cells after bone marrow transplantation. Since the liver is the hematopoietic organ of the fetus, it is possible that hematopoietic stem cells may reside in the liver of the adult. This assumption is proved by the finding that oval cells express hematopoietic markers like CD34, CD45, CD 109, Thy-1, c-kit, and others, which are also expressed by bone marrow-derived hematopoietic stem cells (BMSCs). Few and discordant studies have evaluated the role of BMSC in hepatocarcinogenesis so far and further studies in vitro and in vivo are warranted in order to definitively clarify such an issue.

Keywords: Hepatocellular carcinoma (HCC); carcinogenesis; hematopoietic; stem cells.

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Figures

Figure 1
Figure 1
Physiology of stem cells and their differentiation.
See this image and copyright information in PMC

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