Neonatal C57BL/6J (wild type), Klrk1-/- (B6.Cg-Klrk1tm1Dhr/J, Nkg2d-/-) and Tcrd-/- (B6.129P2-Tcrdtm1Mom/J) mice were purchased from Jackson Laboratories (Bar Harbor, ME). Wild type and knock out mice were inoculated with 3μg/10μl of LPS from E. coli O26:B6 (Sigma-Aldrich, St. Louis, MO), or endotoxin-free PBS (Sigma-Aldrich), intranasally on day of life (DOL) 3, 5, 7, and 10 as described (28 (link)). Selected mice were injected intraperitoneally with 0.5 mg/kg of anti-IL17a antibody (clone TC11-18H10, BioLegend, San Diego, CA) or an IgG control (Rat IgG control, BioXCell, Lebanon, NH) on DOL 3, 4, 5, 6, 7, 10 and 12. Some mice were injected intraperitoneally with anti-NKG2D antibody (Clone HMG2D) or IgG control (10mg/kg) (BioXCell) 1 hr prior to each LPS treatment.
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