Sea of Cells: Immune Cells Attack Therapeutic Devices

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Submitted by Andrew R. Bader, Omid Veiseh, and Joshua Doloff of the Anderson Laboratory at the Koch Institute for Integrative Cancer Research at MIT

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These waves of cells are covering alginate capsules that are designed to carry and deliver a variety of payloads such as drugs. The cells that have been stained here represent a variety of immune populations from the body with the intent of destroying the foreign implant. The red streaks are fibrotic deposits from these immune cells.