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Category CDBセミナー
Date and Time 2014-02-06 16:00 - 17:00
Venue Seminar Room A7F
Speaker Atsushi Suzuki
Affiliation Division of Organogenesis and Regeneration, Medical Institute of Bioreguration, Kyushu University; CREST, JST
Title Artificial induction and disease-related conversion of the hepatic fate
Poster click here to download(PDF)
Host Mitsuru Morimoto
Summary Under normal physiological conditions, the fates of cells that compose various parts of organs are determined during development, and never change to those of other cell types. However, recent advances in induction of cellular reprogramming provide chances to generate a completely different cell type from an original cell source by artificially modulating the microenvironments or gene expressions pattern of cells. Although hepatocytes normally only reside in the liver, the hepatic program can be induced in skin-derived fibroblasts by expressing defined extrinsic transcription factors. These induced hepatocyte-like cells have hepatocyte-specific properties and functionally restore damaged hepatic tissues after transplantation. On the other hand, hepatocytes themselves can be converted into biliary lineage cells as a causative factor of hepatic diseases. Thus, blockade of such disease-related reprogramming of the hepatic fate will become a new therapeutic strategy for refractory diseases in the liver. The above-mentioned progress will stimulate studies on the molecular nature of cellular identity and plasticity in hepatocytes, and contribute to the development of potential therapies for liver diseases.
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