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. 2020 Aug 6;10:13211. doi: 10.1038/s41598-020-70043-9

Figure 1.

Figure 1

(A) CD41 platelet immunohistochemistry of murine myocarditis 2 days after induction of myocarditis (× 20). Platelets were stained red. (B) Histological platelet count showed significant higher platelet numbers at early time points after induction of myocarditis compared to later time points. (C) Round golden LIBS-MPIOs bind to platelets in inflamed myocardium. They are highlighted with arrows. (D) Quantification of bound LIBS-MPIOs in the myocardium showed significant higher binding 2 days after induction of myocarditis compared to later time points. (E) Control antibody staining of murine myocarditis induced with CFA and porcine cardiac myosin (× 20). (F) CD41 immunohistochemistry of iCFA and myosin injected mice 2 days after injection. No relevant platelet accumulation was observed. (G) iCFA and myosin injected mice developed significantly less platelets accumulation in the myocardium at 2 days after injection compared to CFA and myosin injected mice. (H) Both control-MPIO injected myocarditis mice and LIBS-MPIO injected sham mice (iCFA + myosin) had significantly less MPIO accumulation in the myocardium compared to LIBS-MPIO injected myocarditis mice (CFA + myosin).