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Using chitosan to combat osteoarthritis and aging cartilage - A complex sugar that can reduce inflammation - Photos

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Left image: Chitosan, perceived as a foreign body, is absorbed and retained in the phagosomes of a macrophage (small red patches). Right image: the chitosan chain, when it is of the right length, becomes expelled from the phagosome (yellow patches); the macrophage reacts as though being faced with a bacterium and produces anti-inflammatory molecules.
Caroline Hoemann, Professor in the Department of Chemical Engineering at Polytechnique Montréal.
David Fong, PhD graduate in Biomedical Engineering at Polytechnique Montréal.

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