Contact: Mary Beth O'Leary
Caption: Stem cell-like cells contribute to bacterial spread into skeletal muscles and macrophages. (Left) Bacteria-laden stem cells (green) directly fused with skeletal muscles (red) and disseminated leprosy bacteria (stained by mycobacterial acid-fast staining; in red) inside the muscle fibers (top right). Stem cell-like cells (green) secrete chemoactractants, recruit macrophages (red) and transfer bacteria (bottom right). Shown is a macrophage (red) that has received bacteria (green) from stem cells.
Credit: Cell, Masaki et al.
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