Establishment of a variety of human bone marrow stromal cell lines by the recombinant SV40‐adenovirus vector

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Abstract
Various human bone marrow stromal cell lines were established from the adherent cell populations by introduction of the recombinant SV40‐adenovirus vector with an infection or electric poration procedure. As compared with DMA transfection, the vector introduction was able to immortalize the cells with more than 100 times higher efficiency. Morphological and cytochemical analyses indicated that various cloned cell lines with different properties were isolated by the vector introduction. All the established cell lines expressed SV40 large T antigen. These results provided the evidence indicating that the recombinant SV40‐adenovirus vector was a useful tool to establish a variety of cell lines with different biological activities from human bone marrow stroma.