GRIA3 and frontotemporal dementia: One hundred seventy-five FTD patients were consecutively recruited, according to inclusion and exclusion criteria (age: 65.7 ± 7.2 years, female 40.6%), and their serum and CSF tested for the presence of anti-GluA3 antibodies and compared to those of healthy controls (mean age: 62.1 ± 11.0 years, female: 63.7%).