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. 2012 Jun 25;7(6):e39565. doi: 10.1371/journal.pone.0039565

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This is consistent with an increased rate of transport across the BMEC. The calcium channel blocker verapamil had no affect on transport. The calcium ionophore A23187 increased I-HIV permeability (panel C) and decreased TEER (panel D) in BMEC.