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Fibrillin-1 has a rich region at the tip of the oxytalan fiber and co-localizes with elastic fiber in young skin. Fluorescence immunostaining images of fibrillin-1 and elastic fibers in the skin tissue of subjects aged 23, 24, and 27 years (starting from the left of the upper row) and subjects aged 61, 61, and 64 years (starting from the left of the lower row). Blue: nucleus; green: tropoelastin; red: fibrillin-1. Scale bar = 30 µm.
