Figure 3. Qualitative detection of polyamines in isolated mast cell granules.
Bone marrow precursor cells were cultured in vitro into BMMCs as described in Experimental Procedures and maintained until day 35. Granules were then isolated and detection of mMCP-6, COX-IV and acetyl-histone H3 was performed in total cell lysates and in the granule fraction (A) by Western blot. Amines were assayed in the granule fraction (B) by HPLC as described in Experimental Procedures. The chromatogram shown is representative of three independent experiments. Hia, histamine; 5-HT, serotonin; 1,8-DO, 1,8-diaminooctane; Spd, spermidine; Spm, spermine.
