Animal Eggs Not Suitable Substitutes To Produce Stem Cells, Study Demonstrates

Since the cloning of Dolly the Sheep over a decade ago, somatic cell nuclear transfer has been considered a promising way to generate human, patient-specific stem cells for therapeutic applications. The shortage of human donor eggs has led to efforts to substitute animal oocytes. However, a new study demonstrates that animal oocytes lack the capacity to fully reprogram adult human cells.

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