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J Neuroimmunol. 1994 Jun;52(1):9-17.

Cytokines in the central nervous system: expression of macrophage colony stimulating factor and its receptor during development.

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Department of Pathology, Columbia University College of Physicians & Surgeons, New York, NY 10032.


To investigate the potential role of cytokines in the development of the central nervous system, we analyzed the production of cytokine mRNA transcripts by S1-nuclease protection analysis in the brains of Swiss-Webster mice during fetal development and after birth. Cytokines studied were interleukin (IL)-1 alpha, IL-2, IL-3, IL-4, IL-5, IL-6, IL-7, macrophage-colony stimulating factor (M-CSF), granulocyte-colony stimulating factor (G-CSF), granulocyte macrophage-colony stimulating factor (GM-CSF), and leukemia inhibitory factor (LIF). Only mRNA transcripts for M-CSF were found to be produced constitutively in normal brain tissue. These transcripts were detected continuously from embryonic day (ED) 13 through adulthood. Transcripts encoding the M-CSF receptor (c-fms) were also detected at all of these time points. Despite identification of M-CSF transcripts in the brains of normal mice during development and M-CSF protein in cell cultures, neuropathological examination of the brains of op/op mice, a naturally occurring mouse mutant defective in the production of functional M-CSF, showed no cytoarchitectural abnormalities.

[Indexed for MEDLINE]

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