Tissue Engineering of the Lymphatic System

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Abstract
The field of tissue engineering has seen tremendous expansion in the last decade. In the last several years, tissue‐engineering strategies to treat diseases of skin, cartilage, bone, bladder, blood vessel, tendon, and other tissues have been described. However, tissue‐engineering approaches to treat diseases of the lymphatic system are currently nonexistent. We propose that acellular tissues, either native or engineered, could be exploited as a platform for the study of lymphatic biology, and for lymphatic tissue engineering. While speculative, this type of experimental model system could prove powerful for dissecting molecular and cellular events surrounding tumor invasion of lymphatics, as well as lymphangiogenesis. Scaffolds seeded with genetically engineered lymphatic cells could also be implanted to repopulate lymphatic vasculature. In the future, the lymphatic system will surely be added to the list of tissues and organs that prove amenable to tissue‐engineering therapies.