PTPRC (CD45) is not associated with the development of multiple sclerosis in U.S. patients.

Nature genetics
2001
https://researcherprofiles.org/profile/1425073
11528386
Barcellos LF, Caillier S, Dragone L, Elder M, Vittinghoff E, Bucher P, Lincoln RR, Pericak-Vance M, Haines JL, Weiss A, Hauser SL, Oksenberg JR