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Transplanted genetically-modified adipose cells offer potential therapy for liver diseases
Date:12/20/2012

Putnam Valley, NY. (Dec. 20, 2012) Using mesenchymal stromal cells derived from adipose (fat) tissues, genetically modified to express a bioluminescent marker, researchers in Italy have tracked cells after transplantation. The cells were followed from their injection into the spleen of mice modeling liver disease, to their characterization as "hepatic precursors," and to their subsequent migration through the spleen before engrafting at regenerating sites in the liver by bioluminescent imaging.

Their study is described in a recent issue of Cell Transplantation (21:9), now freely available on-line at http://www.ingentaconnect.com/content/cog/ct/. It adds to the developments in cell transplantation that have the potential to offer an alternative to liver transplantation for patients with liver disease. It also increases the validation of the therapeutic potential for cell transplantation with cells other than hepatic cells,

"Liver transplantation is the major therapeutic option for patients affected by liver disease," said study co-author Dr. Gabriele Toietta of the Ospedale Pediatrico Bambino Gesu in Rome, Italy. "However, scarcity of organs, high costs and lifelong immunosuppressive treatment make the potential for transplanting hepatic precursor cells an attractive alternative. In addition, hepatocytes obtained from organs are generally not suitable for transplantation."

Historically, the isolation and preservation of hepatic cells from non-living liver donors has been a limiting factor impacting on organ transplantation. The advantage of using adipose tissue derived stromal cells (AT-SCs) comes from the great availability of fat cells and the ease of obtaining them. Also, the possibility of manipulating and transplanting autologous (self-donated) cells eliminates the need for lifelong immunosuppression treatments. However, in cases of genetically-ca
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Contact: Robert Miranda
cogcomm@aol.com
Cell Transplantation Center of Excellence for Aging and Brain Repair
Source:Eurekalert

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