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Home / Health News / Liver regeneration using cell therapy a possibility

Liver regeneration using cell therapy a possibility

Washington, June 10 (ANI): Liver transplantation is the mainstay of treatment for patients with end-stage liver disease, but a new research from the Icahn School of Medicine at Mount Sinai has suggest

By: ANI   | | Published: June 10, 2013 6:26 pm
Tags: Cell therapy  Liver cells  Liver regenration  Liver transplant  
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Washington, June 10 (ANI): Liver transplantation is the mainstay of treatment for patients with end-stage liver disease, but a new research from the Icahn School of Medicine at Mount Sinai has suggested that it may one day become possible to regenerate a liver using cell therapy in patients with liver disease. Also Read - Liver transplant: When it is needed and who can donate

Investigators discovered that a human embryonic stem cell can be differentiated into a previously unknown liver progenitor cell, an early offspring of a stem cell, and produce mature and functional liver cells. Also Read - New machine can repair injured human livers, keep them alive for a week outside body



‘The discovery of the novel progenitor represents a fundamental advance in this field and potentially to the liver regeneration field using cell therapy,’ said the study’s senior author, Valerie Gouon-Evans, PharmD, PhD, Assistant Professor, in the Department of Developmental and Regenerative Biology, Black Family Stem Cell Institute, at the Icahn School of Medicine at Mount Sinai. Also Read - India's youngest liver transplant patient is just five-months old

‘Until now, liver transplantation has been the most successful treatment for people with liver failure, but we have a drastic shortage of organs. This discovery may help circumvent that problem.’

In conjunction with the laboratory of Matthew J. Evans, PhD, from the Department of Microbiology at Icahn School of Medicine at Mount Sinai, investigators demonstrated the functionality of the liver cells generated from the progenitors, as the liver cells can be infected by the hepatitis C virus, a property restricted to liver cells exclusively.

A critical discovery in this research was finding that the novel progenitor has a receptor protein on its cell surface called KDR, or vascular endothelial growth factor receptor 2, which until now, was thought to be restricted to endothelial cells that form vessels, the progenitors for endothelial cells and the progenitors blood cells.

The research team showed that activation of KDR on these novel liver progenitors differentiates them into mature liver cells. Additionally, work in a mouse model revealed similar cells, indicating that the progenitors are conserved from mouse to human, and therefore, they must be ‘important cells with promising potential for cell therapy in treating liver disease,’ explained Dr. Gouon-Evans.

Next, the research team will examine specifically whether these liver cells obtained from human embryonic stem cells in a dish help repair injured livers in preclinical animal models of liver disease.

The study was published in the journal Cell Stem Cell.

Published : June 10, 2013 6:26 pm
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