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Fig. 5. PKC phosphorylation is PI-3-K-independent but phospholipase C-dependent in
laminarin-stimulated haemocytes. Haemocyte monolayers were pre-treated for 30
min with the phospholipase C inhibitors U-73122 and ET-18-OCH3 or
the PI-3-K inhibitor LY294002 at similar range of concentrations (0.001-10
µmol l-1), or vehicle prior to the addition of laminarin (10 mg
ml-1) for 10 min. Phosphorylated PKC was detected by immunoblotting
with the anti-phospho PKC (pan) antibody. (A) For U-73122 inhibition studies,
immunoblots are representative of four independent experiments. In the case of
(B) ET-18-OCH3 and (C) LY294002 inhibition studies, immunoblots are
representative of three independent experiments.