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. 2003 Aug 15;139(8):1505–1515. doi: 10.1038/sj.bjp.0705391

Figure 2.

Figure 2

Transmission immunoelectron microscopy from the muscle layer of the foetal mouse ductus arteriosus at term (n=4). (a) COX1 and COX2 immunogold labelling of the whole cytoplasm (cyt) and its perinuclear and peripheral components. Note that gold particle size was different in the two analyses (whole cytoplasm: 5 nm; perinuclear/peripheral cytoplasm: 10 nm). (b) Immunogold labelling for microsomal and cytosolic PGE synthase (mPGES and cPGES). *vs cytoplasm perinuclear, P<0.05 (Student's t-test); †vs COX1, whole cytoplasm, P<0.01 (Student's t-test).