The abdominal aorta was isolated, fixed in 4% PFA for 12 min, opened in the longitudinal direction, and stained for ICAM1 (Abcam), VCAM1 (Abcam), or VE-cadherin (Abcam) in combination with DAPI. En face sections were obtained on a Leica SP8 confocal microscope, and all the analyses were performed with Image J [15 (link)].
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