Artificial induction and disease-related conversion of the hepatic fate

Research output: Contribution to journalReview article

5 Citations (Scopus)

Abstract

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. Moreover, hepatocytes could partially accept the pancreatic program by expressing transcription factors required for pancreas development, suggesting that insulin-producing cells could be generated from hepatocytes and used to treat diabetes. 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.

Original languageEnglish
Pages (from-to)579-584
Number of pages6
JournalCurrent Opinion in Genetics and Development
Volume23
Issue number5
DOIs
Publication statusPublished - Oct 1 2013

All Science Journal Classification (ASJC) codes

  • Genetics
  • Developmental Biology

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