Hi, I downloaded the file SEA-AD_individual_metadata.csv (syn31149116) from the SEA-AD study and found there was no value in the apoeGenotype column. I want to know the the specific genotypes of individuals, likeE2/3, E3/3 and so on. Could you please update the information or how can I find them? Thank you very much!

Created by you zuo zuoyou
@zuoyou did you fin the information?
Hi @zuoyou, Unfortunately, according to the investigators at the Allen Institute who provided this data, the full apoe genotypes are not available, though as noted in the [Allen Brain Map Community Forum](https://community.brain-map.org/t/how-do-i-get-access-to-full-apoe-genotype-information-in-the-aging-dementia-and-tbi-study/398), you could request the raw sequence data from [NIAGADS](https://www.niagads.org/datasets/ng00059) and infer genotypes from that. Right now, the only available info is in the 'APOE4 Status' column, which indicates whether there is at least one E4 allele present or not. You may also try asking Allen Institute investigators directly whether there will be any updates to this data, by using the Allen brain map community forum (linked above). Best, Laura

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