We collect and store tissue samples, family history and genotype data on various populations including the following:

• Oregon Alzheimer's Disease Center clinic recruited subjects

• Oregon Brain Aging Study

• Community Brain Donor Program

• Preventing Cognitive Decline with Alternative Therapies (informally called the Dementia Prevention Study or DPS)

• African American Dementia and Aging Project

• Klamath Exceptional Aging Project 

• Late Onset Familial Alzheimer Disease Kindreds

Family History and Related Clinical Data

• Tissue Samples

• Genomic DNA
  
   
• Plasma

Genotypes Data

• APOE

• Genome-Wide and candidate region SNP marker data on various platforms
  
  (These are available only on a limited subset of subjects)

• AD Candidate gene markers* (e.g. CYP46, MTHFR, HLA, Tau)