Embattled Japanese researcher Haruko Obokata says she will resign

A researcher embroiled in a fabrication scandal that has rocked Japan's scientific establishment said yesterday that she would resign after failing to reproduce results of what has once been billed as a ground-breaking study on stem cells. Haruko Obokata said she was dismayed that new laboratory tests have not been able to repeat her experiments, which she had claimed showed the successful conversion of an adult cell into a stem cell-like state.

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