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Growth Factors. 1994;11(2):145-52.

Receptor insertion into factor-dependent murine cell lines to develop specific bioassays for murine G-CSF and M-CSF and human GM-CSF.

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Walter and Eliza Hall Institute of Medical Research, P.O. Royal Melbourne Hospital, Victoria, Australia.


cDNAs encoding the receptors for murine G-CSF, M-CSF or human GM-CSF were inserted into the murine hemopoietic continuous cell lines Ba/F3 or FDC-P1 and sublines selected that were then responsive to proliferative stimulation by these growth factors. When used in microwell assays the Ba/F3 G-CSF receptor-expressing cell line was able to detect 100 pg G-CSF per ml, the Ba/F3 M-CSF receptor-expressing cell line 100-400 pg M-CSF per ml and the FDC-P1 line expressing the alpha- and beta-chains of the human GM-CSF receptor detected 5-10 pg/ml of GM-CSF in test material. These cell lines appear satisfactory for use as selective bioassays for these colony stimulating factors in material potentially containing a mixture of growth factors.

[Indexed for MEDLINE]

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