- Evidence for a recessive PMP22 point mutation in Charcot-Marie-Tooth disease type 1A. Roa, B.B., Garcia, C.A., Pentao, L., Killian, J.M., Trask, B.J., Suter, U., Snipes, G.J., Ortiz-Lopez, R., Shooter, E.M., Patel, P.I., Lupski, J.R. Nat. Genet. (1993)