Liver-specific gene expression in cultured human hematopoietic stem cells.
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Liver-specific gene expression in cultured human hematopoietic stem cells. / Fiegel, Henning C; Lioznov, Michael; Cortes-Dericks, Lourdes; Lange, Claudia; Kluth, Dietrich; Fehse, Boris; Zander, Axel R.
in: STEM CELLS, Jahrgang 21, Nr. 1, 1, 2003, S. 98-104.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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T1 - Liver-specific gene expression in cultured human hematopoietic stem cells.
AU - Fiegel, Henning C
AU - Lioznov, Michael
AU - Cortes-Dericks, Lourdes
AU - Lange, Claudia
AU - Kluth, Dietrich
AU - Fehse, Boris
AU - Zander, Axel R
PY - 2003
Y1 - 2003
N2 - Hematopoietic and hepatic stem cells share characteristic markers such as CD34, c-kit, and Thy1. Based on the recent observations that hepatocytes may originate from bone marrow, we investigated the potential of CD34(+) bone marrow cells to differentiate into hepatocytic cells in vitro. CD34(+) and CD34(-) human bone marrow cells were separated by magnetic cell sorting. Cells were cultured on a collagen matrix in a defined medium containing hepatocyte growth factor. Cell count and size were measured by flow cytometry, and reverse transcription polymerase chain reaction was carried out for the liver-specific markers CK-19 and albumin. During cell culture, CD34(+) cells showed an increasing cell number and proliferative activity as assessed by Ki-67 staining. Under the specified culture conditions, CD34(+) cells expressed albumin RNA and CK-19 RNA after 28 days, whereas CD34(-) cells did not show liver-specific gene expression. The results indicate that CD34(+) adult human bone marrow stem cells can differentiate into hepatocytic cells in vitro.
AB - Hematopoietic and hepatic stem cells share characteristic markers such as CD34, c-kit, and Thy1. Based on the recent observations that hepatocytes may originate from bone marrow, we investigated the potential of CD34(+) bone marrow cells to differentiate into hepatocytic cells in vitro. CD34(+) and CD34(-) human bone marrow cells were separated by magnetic cell sorting. Cells were cultured on a collagen matrix in a defined medium containing hepatocyte growth factor. Cell count and size were measured by flow cytometry, and reverse transcription polymerase chain reaction was carried out for the liver-specific markers CK-19 and albumin. During cell culture, CD34(+) cells showed an increasing cell number and proliferative activity as assessed by Ki-67 staining. Under the specified culture conditions, CD34(+) cells expressed albumin RNA and CK-19 RNA after 28 days, whereas CD34(-) cells did not show liver-specific gene expression. The results indicate that CD34(+) adult human bone marrow stem cells can differentiate into hepatocytic cells in vitro.
M3 - SCORING: Zeitschriftenaufsatz
VL - 21
SP - 98
EP - 104
JO - STEM CELLS
JF - STEM CELLS
SN - 1066-5099
IS - 1
M1 - 1
ER -