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IKr and IKs inhibitors promote triangulation while IKs activators do not square the zebrafish AP shape. (A) Representative traces of the control conditions (black) and in the presence of the IKr and IKs inhibitors and the combination of inhibitors to show the qualitative effect of the triangulation of the different drug and drugs combination. (B) APD25/APD80 ratio in the control condition and after applying the drug for each drug or combination of drugs. (C) Representative traces in the presence of the PUFA analogues and the combination of E4031/PUFA analogues to show the qualitative effect of triangulation. (D) APD25/APD80 ratio in the control condition and after applying the PUFA analogues or E4031/PUFA analogues for each condition examined. For the drug combination conditions, CONTROL refers to the drug condition previously applied to the combination of drugs (mean ± SEM; * p < 0.05).
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