IFITM3 and Alzheimer disease: Next, we performed haplotype analysis of 10 polymorphisms within the IFITM3 gene, namely, c.-223C > G, c.-204G > T, c.-188T > C, c.-181T > C, c.-178A > C, c.-175T > C, c.-128C > T, c.-13_-4DelTTCGCTGGAC, c.42C > T and c.165C > T, in AD patients and healthy controls.