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CD44 variant expression in AAA microvessels. CD44H, CD44v3, and CD44v6 stainings co-localize with endothelium lining microvessels. Cell-type-specific staining for ECs with anti-CD31 (top) and negative control staining (mouse IgG, bottom right) is also shown. Staining of tissue samples from six patients showed similar results. Original magnifications, ×400.
