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Breakthrough for stem cell research

A University of New South Wales (UNSW) researcher based at the Diabetes Transplant Unit (DTU) at Sydney's Prince of Wales Hospital has produced a human embryonic stem cell (hESC) line without the use of any animal products. The breakthrough eliminates the risk of animal-to-human contamination in potential stem cell therapy treatments.

"This is the first hESC line produced in Australia and only the second one in the world, which does not use animals in any way. Our line grows on human fetal fibroblast feeder layer that does not require fetal calf serum," said UNSW Senior Lecturer, Dr Kuldip Sidhu, who was the lead scientist responsible for the creation of the line.

"Other researchers have used animal tissue to keep the hESC alive in the petri dish or as a culture to grow it on," said Dr Sidhu. "Those animal products have the potential to transmit retroviruses in humans, which could have disastrous consequences."

Human embryonic stem cell lines are derived from specialized cells from embryos donated by infertile couples that specifically consented for their excess embryos to be used in stem cell research.

These lines could eventually lead to safer treatments for conditions such as diabetes, Parkinson's disease, spinal cord injury and even breast cancer.

"The new line, named 'Endeavour 1', is only the fifth human embryonic stem cell line to be produced in Australia," said UNSW Professor Bernie Tuch, Director of the DTU. "We now hope to collaborate with other researchers, using this line. We will also make it available to other researchers for their own work."

The National Health and Medical Research Council granted a licence to IVF Australia in collaboration with the DTU at the Prince of Wales Hospital to produce six stem cell lines in November 2004. Seed funding for the project came initially from the Australian Foundation for Diabetes Research, and subsequently from Diabetes Australia.

"Couples who have completed their families often ask us to donate the excess embryos created during their past treatments to research to help others," said Emeritus Professor Doug Saunders, Chair of Research & Development Committee, IVF Australia. "We are very encouraged to see the progress of this significant research project."


Source:University of New South Wales

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