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. 2010 Mar 7;87(3):440–448. doi: 10.1093/cvr/cvq077

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Published on behalf of the European Society of Cardiology. All rights reserved. © The Author 2010. For permissions please email: journals.permissions@oxfordjournals.org.

PMC Copyright notice

Endogenous PMCA and calcineurin interact in endothelial cells. Protein lysates from HUVEC were incubated with an anti-PMCA monoclonal antibody (5F10), anti-Luciferase antibody (α-Luc), or an anti-calcineurin antibody (α-Cal) as indicated. Immunoprecipitated proteins were analysed by western blot with antibodies recognizing specifically isoform 1 (α-PMCA1), 2 (α-PMCA2), or 4 (α-PMCA4) of PMCA. The presence of the PMCA isoforms within the immunoprecipitated proteins indicates that endogenous PMCA and calcineurin interact in endothelial cells.