Loss of Ifnar1 signaling elicits inflammatory processes and angiogenesis in laser‐induced retinal damage Loss of Ifnar1 signaling elicits inflammatory.

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Loss of Ifnar1 signaling elicits inflammatory processes and angiogenesis in laser‐induced retinal damage Loss of Ifnar1 signaling elicits inflammatory processes and angiogenesis in laser‐induced retinal damage AExperimental design. Laser coagulation was performed in C57BL6/J control and Ifnar1−/− mice. Animals were analyzed 3, 7, and 14 days after laser treatment.B, CRepresentative Iba1 stainings of retinal flat mounts detecting microglia/macrophages in laser spots 3 days after laser coagulation in C57BL6/J controls (B) and Ifnar1−/− (C) mice. Scale bar: 20 μm.DQuantification of amoeboid‐shaped mononuclear phagocytes in laser spots. Values show mean ± SD (n = 11–12 retinas; unpaired Student's t‐test: ***P = 0.0004).EQuantification of immune cell morphology in laser spots using a grid image analysis system. Values show mean ± SD (n = 42–62 cells; unpaired Student's t‐test: ***P < 0.0001).F–KRepresentative fundus fluorescein angiography images of C57BL6/J (F–H) and Ifnar1−/− (I–K) mice 3, 7, and 14 days after laser‐induced damage.LQuantification of vascular leakage by analyzing pixel intensities at 3, 7, and 14 days after laser‐induced retinal damage in C57BL6/J controls versus Ifnar1−/− mice. Values show mean ± SD (n = 14–22 eyes; one‐way ANOVA followed by Tukey's post‐test: ***P < 0.0001).M–PRepresentative images of lectin‐stained choroidal flat mounts 7 and 14 days after laser coagulation in C57BL6/J control mice (M, N) and Ifnar1−/− animals (O, P). Dashed lines indicate CNV areas, and the asterisk marks the central optic nerve head. Scale bar: 200 μm.QQuantification of lectin‐stained CNV areas with ImageJ software. Bars show mean ± SD (n = 4–11 RPE/choroidal flat mounts; one‐way ANOVA followed by Tukey's post‐test: *P = 0.0281). Anika Lückoff et al. EMBO Mol Med. 2016;8:670-678 © as stated in the article, figure or figure legend