Inhibitory effect of murine kidney extracts on the proliferation of murine mast cells.
We examined the effect of murine kidney extract (MKE) on the clonal growth of mast cells from murine peritoneal cells. Adding MKE resulted in a 40% inhibition of colony formation of mast cells in a methylcellulose culture, and a 90% decrease in mast cell numbers and histamine content in mast cells in a liquid culture containing stem cell factor and interleukin-3. The mast cell inhibitory factors in MKE were heat sensitive proteins of approximately 560 and 24 kDa. These results suggest that MKE contains regulators that suppress the growth of murine mast cells and histamine synthesis.
Murakami
M
M
Laboratory of Radiopharmaceutical Sciences, Hokkaido College of Pharmacy, Otaru, Japan.
Kashiwakura
I
I
Hayase
Y
Y
Takagi
Y
Y
D000818:Animals; D019138:Antibodies, Blocking / Q000494:pharmacology; D002455:Cell Division / Q000187:drug effects; D002478:Cells, Cultured; D002850:Chromatography, Gel; D006636:Histamine Release / Q000187:drug effects; D007371:Interferon-gamma / Q000276:immunology; D007377:Interleukin-3 / Q000494:pharmacology; D007668:Kidney / Q000502:physiology*; D008099:Liver / Q000502:physiology; D008168:Lung / Q000502:physiology; D008297:Male; D008407:Mast Cells / Q000187:drug effects*; D008747:Methylcellulose / Q000494:pharmacology; D051379:Mice; D008970:Molecular Weight; D011506:Proteins / Q000378:metabolism; D013154:Spleen / Q000502:physiology; D014020:Tissue Extracts / Q000494:pharmacology
D019138:Antibodies, Blocking; D007377:Interleukin-3; D011506:Proteins; D014020:Tissue Extracts; D007371:Interferon-gamma; D008747:Methylcellulose