SLC17A6 and Alzheimer disease: To evaluate the effects of Gln on glutamatergic neurotransmission in 3×Tg-AD mice, female Vglut2-ires-Cre::tdTomato or 3×Tg-Vglut2-ires-Cre::tdTomato mice were fed a normal or Gln-supplemented diet beginning at 2 months of age.