An enzyme known as neuron-specific enolase becomes elevated in diabetes patients and even higher in those suffering from diabetic neuropathy, according to a study in Diabetes Care. The association is independent of the patient's glycemic state, age, sex or kidney function. "This may provide a potential blood marker for diabetic neuropathy," researchers said. Although diagnostic tools for diabetic neuropathy exist, there are as yet no specific biomarkers for neural damage.
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