from left to right: Ferritin localization (green) of murine intestinal biopsy, Ferritin-iron cores are present in exosomes, visualized by cryo-TEM, ferritin (green) and the Golgi marker GM-130 (red) in murine macrophages

from left to right: Ferritin localization (green) of murine intestinal biopsy, Ferritin-iron cores are present in exosomes, visualized by cryo-TEM, ferritin (green) and the Golgi marker GM-130 (red) in murine macrophages

from left to right: Ferritin localization (green) of murine intestinal biopsy, Ferritin-iron cores are present in exosomes, visualized by cryo-TEM, ferritin (green) and the Golgi marker GM-130 (red) in murine macrophages