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. Author manuscript; available in PMC: 2014 Apr 28.
Published in final edited form as: JAMA Neurol. 2013 Jan;70(1):78–84. doi: 10.1001/jamaneurol.2013.579

Figure 1.

Figure 1

Pedigrees of the 3 families where triggering receptor expressed on myeloid cells 2 gene (TREM2) mutations were found. Arrowheads indicate probands. Black filled symbols represent affected subjects with dementia. White symbols represent unaffected family members and white symbols with a black dot represent individuals where dementia has been reported but not clinically confirmed. The genotypes (N indicates normal and M, mutation found) are represented for those individuals for whom DNA samples were available.