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Principal Investigator  
Principal Investigator's Name: Jan Krumsiek
Institution: Weill Cornell Medicine
Department: Institute of Computational Biomedicine
Country:
Proposed Analysis: We will apply and extend a newly developed algorithm for the identification of molecular subgroups in omics data. This will identify homogenous subgroups within the ADNI cohort with a common signature across multiple metabolomics platforms. These subgroups are then automatically associated with AD-related (endo-) phenotypes to identify groups that stand out from a clinical point-of-view. We have previously used this methodology to identify patient subgroups of poor survival from multi-omics data in The Cancer Genome Atlas (results unpublished). This method will be extended to automatically identify complex, nested patient stratifications. As a hypothetical example result, the methods could identify a metabolomics subgroup of poor outcome AD samples only within a subgroup of obese/lean, young/old, or females/males. The project is a collaboration with Rima Kaddurah-Daouk from Duke university
Additional Investigators  
Investigator's Name: Richa Batra
Proposed Analysis: ROS/MAP blood/brain metabolomics associations with AD pathology.
Investigator's Name: Zeyu Wang
Proposed Analysis: Research associate in Krumsiek lab. Performs data preprocessing and automated data analysis.