It’s official: The first use of induced pluripotent stem (iPS) cells in a human has proved safe, if not clearly effective. Researchers reported this week in the NEJM that using the cells to replace eye tissue damaged by AMD did not improve a patient’s vision, but did halt disease progression.

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It’s official: The first use of induced pluripotent stem (iPS) cells in a human has proved safe, if not clearly effective. Researchers reported this week in the NEJM that using the cells to replace eye tissue damaged by AMD did not improve a patient’s vision, but did halt disease progression.