Tissue Preparation and ELISA Measurement of InsP Levels

AZ Anna R. Zuena
LI Luisa Iacovelli
RO Rosamaria Orlando
LM Luisa Di Menna
PC Paola Casolini
GA Giovanni Sebastiano Alemà
GC Gabriele Di Cicco
GB Giuseppe Battaglia
FN Ferdinando Nicoletti
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Frozen tissue was weighed and homogenized by sonication in 10 μl/mg of tissue of Tris-HCl buffer (100 mM; pH 7.5) containing 150 mM NaCl, 5 mM EDTA, 1% Triton X-100, 1% SDS. Homogenates were diluted 1:50 and InsP levels were assessed with the IP-One ELISA kit (Cisbio, Codolet, France) according to the manufacturer’s instructions. Mean intra-assay and inter-assay coefficients of variation were 4.68 and 4.83%, respectively.

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