Anti-inflammatory effect of Lycium Fruit water extract in lipopolysaccharide-stimulated RAW 264.7 macrophage cells. 2012

You-Chang Oh, and Won-Kyung Cho, and Ga Young Im, and Yun Hee Jeong, and Youn-Hwan Hwang, and Chun Liang, and Jin Yeul Ma
Traditional Korean Medicine-TKM-Based Herbal Drug Research Group, Korea Institute of Oriental Medicine, 461-24 Jeonmin-dong, Yuseong, Daejeon 305-811, Republic of Korea.

Lycium Fruit has been used as a traditional drug for low back pain and chronic cough in east-Asian countries. However, inhibitory effects of Lycium Fruit water extract (LFWE) on inflammation remain unknown. In this study, we investigated the inhibitory effects of LFWE on pro-inflammatory mediator production in lipopolysaccharide (LPS)-stimulated RAW 264.7 cells. LFWE inhibited LPS-induced nitric oxide (NO), prostaglandin (PG) E₂, tumor necrosis factor (TNF)-α and interleukin (IL)-6 production as well as their synthesizing enzyme inducible nitric oxide synthase (iNOS) and cyclooxygenase (COX)-2 gene expression. Furthermore, LFWE inhibited phosphorylations of extracellular signal-regulated kinase (ERK), p38 and c-Jun NH₂-terminal kinase (JNK) mitogen-activated protein kinases (MAPKs) as well as suppression of IκBα degradation and nuclear translocation of nuclear factor (NF)-κB upon LPS stimulation. In addition, LFWE suppressed NO, PGE₂, TNF-α and IL-6 production in LPS-stimulated peritoneal macrophage cells. Taken together, our results suggest that LFWE inhibits the production of various inflammatory mediators via blockade on the MAPKs and NF-κB pathways. This finding first explains the mechanism of anti-inflammatory effect by LFWE in LPS-stimulated macrophage cells.

UI MeSH Term Description Entries
D008070 Lipopolysaccharides Lipid-containing polysaccharides which are endotoxins and important group-specific antigens. They are often derived from the cell wall of gram-negative bacteria and induce immunoglobulin secretion. The lipopolysaccharide molecule consists of three parts: LIPID A, core polysaccharide, and O-specific chains (O ANTIGENS). When derived from Escherichia coli, lipopolysaccharides serve as polyclonal B-cell mitogens commonly used in laboratory immunology. (From Dorland, 28th ed) Lipopolysaccharide,Lipoglycans
D008264 Macrophages The relatively long-lived phagocytic cell of mammalian tissues that are derived from blood MONOCYTES. Main types are PERITONEAL MACROPHAGES; ALVEOLAR MACROPHAGES; HISTIOCYTES; KUPFFER CELLS of the liver; and OSTEOCLASTS. They may further differentiate within chronic inflammatory lesions to EPITHELIOID CELLS or may fuse to form FOREIGN BODY GIANT CELLS or LANGHANS GIANT CELLS. (from The Dictionary of Cell Biology, Lackie and Dow, 3rd ed.) Bone Marrow-Derived Macrophages,Monocyte-Derived Macrophages,Macrophage,Macrophages, Monocyte-Derived,Bone Marrow Derived Macrophages,Bone Marrow-Derived Macrophage,Macrophage, Bone Marrow-Derived,Macrophage, Monocyte-Derived,Macrophages, Bone Marrow-Derived,Macrophages, Monocyte Derived,Monocyte Derived Macrophages,Monocyte-Derived Macrophage
D008813 Mice, Inbred ICR An inbred strain of mouse that is used as a general purpose research strain, for therapeutic drug testing, and for the genetic analysis of CARCINOGEN-induced COLON CANCER. Mice, Inbred ICRC,Mice, ICR,Mouse, ICR,Mouse, Inbred ICR,Mouse, Inbred ICRC,ICR Mice,ICR Mice, Inbred,ICR Mouse,ICR Mouse, Inbred,ICRC Mice, Inbred,ICRC Mouse, Inbred,Inbred ICR Mice,Inbred ICR Mouse,Inbred ICRC Mice,Inbred ICRC Mouse
D009569 Nitric Oxide A free radical gas produced endogenously by a variety of mammalian cells, synthesized from ARGININE by NITRIC OXIDE SYNTHASE. Nitric oxide is one of the ENDOTHELIUM-DEPENDENT RELAXING FACTORS released by the vascular endothelium and mediates VASODILATION. It also inhibits platelet aggregation, induces disaggregation of aggregated platelets, and inhibits platelet adhesion to the vascular endothelium. Nitric oxide activates cytosolic GUANYLATE CYCLASE and thus elevates intracellular levels of CYCLIC GMP. Endogenous Nitrate Vasodilator,Mononitrogen Monoxide,Nitric Oxide, Endothelium-Derived,Nitrogen Monoxide,Endothelium-Derived Nitric Oxide,Monoxide, Mononitrogen,Monoxide, Nitrogen,Nitrate Vasodilator, Endogenous,Nitric Oxide, Endothelium Derived,Oxide, Nitric,Vasodilator, Endogenous Nitrate
D010936 Plant Extracts Concentrated pharmaceutical preparations of plants obtained by removing active constituents with a suitable solvent, which is evaporated away, and adjusting the residue to a prescribed standard. Herbal Medicines,Plant Extract,Extract, Plant,Extracts, Plant,Medicines, Herbal
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D005260 Female Females
D005638 Fruit The fleshy or dry ripened ovary of a plant, enclosing the seed or seeds. Berries,Legume Pod,Plant Aril,Plant Capsule,Aril, Plant,Arils, Plant,Berry,Capsule, Plant,Capsules, Plant,Fruits,Legume Pods,Plant Arils,Plant Capsules,Pod, Legume,Pods, Legume
D000072000 NF-KappaB Inhibitor alpha An I-kappa B protein that inhibits the activity of dimeric NF-KAPPA B P50-REL complexes, sequesters transcription factor NF-kappaB as an inactive complex in the cytoplasm; and prevents NF-kappaB nuclear translocation and DNA binding. I Kappa B-alpha Protein,IKappaB-alpha,IKappaBalpha,Major Histocompatibility Complex Enhancer-Binding Protein MAD3,p40 Protein (IKappaB-alpha),I Kappa B alpha Protein,IKappaB alpha,Inhibitor alpha, NF-KappaB,Major Histocompatibility Complex Enhancer Binding Protein MAD3,NF KappaB Inhibitor alpha,alpha, NF-KappaB Inhibitor
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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