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PURPOSE This study was designed to generate an inducible autoimmune model of keratoconjunctivitis sicca (KCS) for study of pathogenesis of the disease. METHODS Lewis rats were immunized with a mixture of lacrimal and salivary gland extract or recombinant mouse protein kallikrein 1b22 (Klk1b22) emulsified in complete Freund's adjuvant (CFA). For disease(More)
The B7/CD28 costimulatory pathway plays a critical role in T cell activation including Th1/Th2 differentiation. However, little is known about whether CD28 costimulation favors polarization of either Th1 and Th2 or both. Here, we show a critical role of the natural ligands for CD28 molecules (B7.2-Ig or B7.1-Ig fusion proteins), particularly in the(More)
The B7/CD28 costimulatory pathway plays a critical role in T cell activation including Th1/Th2 differentiation. However, little is known about whether CD28 costimulation favors polarization of either Th1 and Th2 or both. Here, we show a critical role of the natural ligands for CD28 molecules (B7.2–Ig or B7.1–Ig fusion proteins), particularly in the(More)
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