Common folate gene variant, MTHFR C677T, is associated with brain structure in two independent cohorts of people with mild cognitive impairment

Rajagopalan P, Jahanshad N, Stein JL, Hua X, Madsen SK, Kohannim O, Hibar DP, Toga AW, Jack CR, Saykin AJ, Green R, Weiner MW, Bis JC, Kuller LH, Riverol M, Becker JT, Lopez OL, Alzheimer's Disease Neuroimaging Initiative (ADNI), Cardiovascular Health Study (CHS).