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Immunomodulation by mesenchymal stem cell (MSC) transplantation in liver disease occurs at multiple levels.
Ig, immunoglobulin; NK, natural killer; PGE, prostaglandin E; TGF, transforming growth factor; IDO, indoleamine 2,3-dioxygenase; IFN, interferon; IL, interleukin; MHC, major histocompatibility complex, NO, nitric oxide.
