Scientists Spot Key to Kidney Transplant Success

The practice probably will not become routine right away, however, Narayanan added.

"We don't quite understand how people develop antibodies, so this is a good test on paper, but we don't really know who are the people who are at risk of developing antibodies," he said. "We need to do more studies to show what are the potential factors that cause patients to develop antibodies. It's something that you probably should look at, but I think we still have a lot more to understand about how it occurs."

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Read more about organ transplantation at the United Network for Organ Sharing.