Clinacanthus nutans Anti-inflammatory agents Article CELLS Clinacanthus nutans Toll-like receptor 4 Clinacanthus nutans extract EXPRESSION INFLAMMATION LIPOPOLYSACCHARIDE-MEDIATED INDUCTION LPS MURINE MACROPHAGES Macrophages NF-KAPPA-B NITRIC-OXIDE SYNTHASE RAW 264.7 MACROPHAGES TLR-4 Toll-like receptor 4 Total flavonoid content Western blotting anti-inflammatory agents antiinflammatory activity antiinflammatory agent cell line RAW 264.7 concentration response controlled study cytokine production cytotoxicity test drug determination flavonoid gamma interferon