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Stanford researchers invent nanotech microchip to diagnose type-1 diabetes
Date:7/13/2014

addition to new diabetics, people who are at risk of developing type-1 diabetes, such patients' close relatives, also may benefit from the test because it will allow doctors to quickly and cheaply track their auto-antibody levels before they show symptoms. Because it is so inexpensive, the test may also allow the first broad screening for diabetes auto-antibodies in the population at large.

"The auto-antibodies truly are a crystal ball," Feldman said. "Even if you don't have diabetes yet, if you have one auto-antibody linked to diabetes in your blood, you are at significant risk; with multiple auto-antibodies, it's more than 90 percent risk."

Type-1 diabetes patient Scott Gualdoni of Palo Alto, Calif., and his 9-year-old daughter, Mia, are excited about the new test. Gualdoni was diagnosed with diabetes in 2011, at age 41. Because of his age, his primary care physician began treating him for type-2 diabetes without testing him for auto-antibodies.

After a few months, Gualdoni returned to his doctor and asked for an antibody test. "I was just feeling like something wasn't right," he said. His suspicions were confirmed: He had type-1.

"Doctors may not be thinking adults can get late-onset type-1," he said. "I slipped through the cracks." He's eager to see the microchip test implemented because a cheap handheld test in the doctor's office would have saved him months of incorrect treatment. "If you're not treating the right disease, you're really doing damage to your body," he said.

The test also holds promise for Mia, who was found to have five kinds of diabetes auto-antibodies in her blood when she volunteered for TrialNet, a nationwide study that tracks relatives of people with type-1 diabetes to monitor their risk.

"I'm really excited for other people who are at high risk for diabetes that this new technology is available for them now," Mia said.

"There is great potential to capture people before they de
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Contact: Erin Digitale
digitale@stanford.edu
650-724-9175
Stanford University Medical Center
Source:Eurekalert

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