Prevalence of immunological diseases in a Finnish frontotemporal lobar degeneration cohort with the C9orf72 repeat expansion carriers and non-carriers.

J Neuroimmunol

Institute of Clinical Medicine - Neurology, University of Eastern Finland, FI-70211 Kuopio, Finland; Neurocenter, Neurology, Kuopio University Hospital, FI-70029 Kuopio, Finland; Medical Research Center, Oulu University Hospital, FI-90014 Oulu, Finland; Unit of Clinical Neuroscience, Neurology, University of Oulu, FI-90014 Oulu, Finland. Electronic address:

Published: August 2018

Recent studies have suggested a role for immune dysregulation behind the etiology of frontotemporal lobar degeneration (FTLD). Here, we have investigated the prevalence of immunological diseases in FTLD (N = 196) with and without the C9orf72 repeat expansion, Alzheimer's disease (AD) (N = 193) and not cognitively impaired (NCI) subjects (N = 92). The prevalence was 16.3% in FTLD, 13.5% in AD and 15.2% in NCI. Although differences between the groups did not reach statistical significance, the frequency of immunological diseases was the highest in FTLD without the C9orf72 expansion (22/117, 18.8%) and the lowest in FTLD with the expansion (6/56, 10.7%), suggesting that the C9orf72 expansion possibly influences immunological pathways in FTLD.

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http://dx.doi.org/10.1016/j.jneuroim.2018.05.011DOI Listing

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