cell lines SW620 (CCL-227), HT29 (HTB-38), COLO 205 (CCL-222), and Caco-2
(HTB-37); and human lymphoblast cell line Jurkat (TIB-152) were purchased from
American Type Culture Collection (ATCC; Manassas, VA). RPMI (Roswell Park
Memorial Institute) 1640 and Eagle’s minimal essential medium (MEM) was
purchased from Mediatech, Inc (Manassas, VA). Macoy’s 5A modified medium was
from Sigma (St Louis, MO). Fetal bovine serum was from EQUITECH-BIO Inc
(Kerrville, TX). Penicillin-streptomycin stock was obtained from Lonza Rockland,
Inc (Allendale, NJ). Lipopolysaccharides (LPS) from Escherichia
coli O111:B6 were purchased from Sigma. Fluorescent conjugated
antibodies targeting CD4 (H129.19), CD8b (YTS156.7.7), CD19 (6D5), dendritic
cells (DCs) marker (33D1), LY6G (1A8), CD68 (FA-11), and mouse IgG
(immunoglobulin G) isotype were obtained from BioLegend (San Diego, CA).