In vitro hepatic differentiation of human umbilical cord blood and bone marrow cells

Yun Jae Jung, Kyung Ha Ryu, Kyung A. Cho, So Youn Woo, Ju Young Seoh, Su Jin Cho, Sun Young Joo, Kwon Yoo, Han Ho-Seoung

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10 Scopus citations

Abstract

The purpose of the present study was to investigate whether human umbilical cord blood (UCB) as well as bone marrow (BM) can generate hepatocyte lineage cells in a simple culture condition. Mononuclear cells (MNCs) separated from UCB and BM were cultured in the presence of fibroblast growth factor (FGF)-1, FGF-2, stem cell factor (SCF), and hepatocyte growth factor (HGF). The cultured cells were analyzed for morphology and for the expression of mRNAs and/or proteins of hepatocyte lineage markers. Both the UCB and BM MNCs grown in the given culture condition yielded large, round cells that were adherent to the culture dishes. RT-PCR analysis showed that mRNAs of albumin (ALB), cytokeratin (CK)-18, and alpha-fetoprotein were expressed from day 7 in both the UCB- and BM-derived cells. Immunofluorescent staining showed that the large, round cells expressed not only ALB and CK-19 but also proliferating cell nuclear antigen, implying the proliferative potential of hepatocyte lineage cells. Therefore, UCB as well as BM can give rise to hepatocyte lineage cells in the simple culture condition with HGF, SCF, FGF-1, and FGF-2. These cells may be one of the potential candidates of cell sources for the cytotherapy of hepatic disease, although it remains to be determined if the hepatocyte lineage cells are derived from plastic hematopoietic stem cells or from liver stem cells that reside in UCB or BM.

Original languageEnglish
Pages (from-to)481-491
Number of pages11
JournalPediatric Hematology and Oncology
Volume25
Issue number6
DOIs
StatePublished - Aug 2008

Bibliographical note

Funding Information:
Received 17 January 2007; accepted 2 May 2008. This research was supported by a grant (05092KFDA374) from Korea Food & Drug Administration in 2005. Address correspondence to Kyung-Ha Ryu, MD, PhD, Department of Pediatrics, Ewha Womans University Graduate School of Medicine, 911-1 Mok-dong, Yangchun Gu, Seoul, 158-710, Republic of Korea. E-mail: ykh@ewha.ac.kr

Keywords

  • Bone marrow
  • Cord blood
  • Hepatic lineage differentiation
  • Hepatoblast

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