Abundance (LSM ± SEM) of transcripts for vitamin D pathway genes (CYP27B1, VDR, and CYP24A1) and inducible nitric oxide synthase (iNOS) in total somatic cells from milk of quarters at 12 to 72 h after treatment with the control (CNTRL), 5 μg of LPS (LIPO), and 5 μg of LPS in combination with 100 μg of 25-hydroxyvitamin D3 (LIPO+25D) intramammary treatments; n = 5/treatment.