PMID: 8943881Dec 1, 1996Paper

Establishment of human granulocyte-macrophage colony stimulating factor producing transgenic SCID mice

British Journal of Haematology
Y MiyakawaK Shimamura

Abstract

Previous work has shown the usefulness of severe combined immunodeficient (SCID) mice as in vivo models for the growth of normal human haemopoietic cells and leukaemic cells. Many approaches have been made to improve the engraftment of human haemopoietic cells in SCID mice. We established transgenic mice producing human granulocyte-macrophage colony stimulating factor (hGM-CSF) with the homozygote of the scid gene. Endogenous serum hGM-CSF levels were detected by ELISA [mean 9585 pg/ml (line A, n = 4); mean 1610 pg/ml (line B, n = 4)]. Expression of hGM-CSF was observed in all organs tested including the heart, lung, liver, kidney, spleen, thymus, bone marrow and brain of hGM-CSF transgenic (hGMTg) mice. Morphological analysis of organs and peripheral blood cell counts showed no differences between hGMTg mice and their littermates. Murine Ba/F3 cells expressing functional hGM-CSF alpha beta receptor (BAF/alpha beta cells) could be successfully engrafted in hGMTg SCID mice. The cells invaded multiple organs and caused death within a few weeks of transplantation, although they infiltrated only the spleen of their littermates. These results showed that these hGM-CSF-producing SCID mice are useful as an in vivo assay system for inv...Continue Reading

Citations

Feb 19, 1999·European Journal of Cancer : Official Journal for European Organization for Research and Treatment of Cancer (EORTC) [and] European Association for Cancer Research (EACR)·Y OshikaY Ueyama
Feb 14, 2012·Cellular & Molecular Immunology·Ryoji ItoMamoru Ito

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