Wildtype C57BL/6 (B6) mice and MHC class II deficient (MHC-II-/-) mice were obtained from The Jackson Laboratory (Bar Harbor, ME). MyD88-/- mice were obtained from Mutant Mouse Resource and Research Centers. Jα18(-10)-/- mice (hereafter referred to as Jα18-/- mice) were generated on the B6 background in Dr. Laurent Gapin’s lab (University of Colorado) (27 (link)). We backcrossed these Jα18-/- mice to B6 mice in our mouse colony to generate wild-type littermate controls. CD1d-/- mice were generated in house and have been backcrossed onto B6 background for at least 12 generations (28 (link)). MR1-/- mice were provided by Dr. Ted Hansen (Washington University) and backcrossed to B6 mice to generate MR1+/+ littermate controls. Vα3.2+Vβ9+ CD1d-autoreactive transgenic mice (24αβ) were provided by Dr. Suzanna Cardell (University of Gothenburg) (29 (link)). MHC-II-/-CD1d-/- mice were generated by crossing CD1d-/- mice and MHC-II-/- mice. Naïve mice were housed in a specific pathogen-free facility.
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