Lactoferrin used for the diagnosis or prediction of Alzheimer's disease or for the diagnosis of Parkinson's disease

摘要

The present invention is a lactoferrin protein or a nucleic acid encoding lactoferrin used for diagnosis or prediction of Alzheimer's disease (AD). The present invention is a method for diagnosing or predicting AD in a subject, the step of measuring the lactoferrin concentration in the saliva or saliva sample of the subject, and determining whether the lactoferrin concentration is higher or lower than 7.43 μg / ml A step of predicting AD or AD when the lactoferrin concentration is lower than 7.43 μg / ml. Another embodiment is a lactoferrin protein or a nucleic acid encoding lactoferrin for use in diagnosis of Parkinson's disease (PD) in a subject's saliva sample.