TREM2 is associated with increased risk for Alzheimer's disease in African Americans.
Jin, Sheng Chih, Minerva M Carrasquillo, Bruno A Benitez, Tara Skorupa, David Carrell, Dwani Patel, Sarah Lincoln, et al. 2015. “TREM2 Is Associated With Increased Risk for Alzheimer’s Disease in African Americans.”. Molecular Neurodegeneration 10: 19.