- Mutations associated with neutropenia in dogs and humans disrupt intracellular transport of neutrophil elastase. Benson, K.F., Li, F.Q., Person, R.E., Albani, D., Duan, Z., Wechsler, J., Meade-White, K., Williams, K., Acland, G.M., Niemeyer, G., Lothrop, C.D., Horwitz, M. Nat. Genet. (2003)