PMID- 15673995 OWN - NLM STAT- MEDLINE DCOM- 20050519 LR - 20240109 IS - 1075-5535 (Print) IS - 1075-5535 (Linking) VI - 10 IP - 6 DP - 2004 Dec TI - Ginger extract inhibits beta-amyloid peptide-induced cytokine and chemokine expression in cultured THP-1 monocytes. PG - 1009-13 AB - INTRODUCTION: Neuritic plaques, a neuropathologic hallmark of Alzheimer's disease, are extracellular deposits of beta-amyloid peptides (Abeta). In the central nervous system neuritic plaques are surrounded by activated microglial cells expressing proinflammatory cytokines, chemokines, and neurotoxic mediators. Long-term activation of microglial cells is suspected to contribute to the neuron loss in Alzheimer's disease. OBJECTIVE: This study was conducted to determine whether a ginger (Zingiber officinale and Alpinia galanga) extract (GE) can dampen the activation of THP-1 cells by lipopolysaccharide, proinflammatory cytokines, and fibrillar amyloid peptide Abeta(1-42), a major component of neuritic plaques. METHODS: THP-1 cells, a human monocytic cell line with properties similar to human microglial cells, were incubated with GE or control medium alone for 1 hour, and then with reincubated lipopolysaccharide (LPS), tumor necrosis factor-alpha (TNF-alpha), interleukin-1beta (IL-1beta) or fibrillar Abeta(1-42) for an additional hour. The extent of THP-1 cell activation was determined by measuring mRNA levels of TNF-alpha and IL-1beta, cyclooxygenase-2 (COX-2), macrophage inflammatory protein 1alpha (MIP-1alpha), monocyte chemoattractant protein-1 (MCP-1), and interferon-gamma inducible protein 10 (IP-10). RESULTS: The results document that the GE used in this study inhibits LPS, cytokine, and amyloid Abeta peptide-induced expression of the proinflammatory genes TNF-alpha, IL-1beta, COX-2, MIP-alpha, MCP-1, and IP-10. The data provide experimental evidence that ginger can inhibit the activation of human monocytic THP-1 cells by different proinflammatory stimuli and reduce the expression of a wide range of inflammation-related genes in these microglial-like cells. CONCLUSIONS: The findings suggest that GE may be useful in delaying the onset and the progression of neurodegenerative disorders involving chronically activated microglial cells in the central nervous system. FAU - Grzanna, Reinhard AU - Grzanna R AD - RMG Biosciences, Inc., Baltimore, MD, USA. FAU - Phan, Phong AU - Phan P FAU - Polotsky, Anna AU - Polotsky A FAU - Lindmark, Lars AU - Lindmark L FAU - Frondoza, Carmelita G AU - Frondoza CG LA - eng PT - Journal Article PL - United States TA - J Altern Complement Med JT - Journal of alternative and complementary medicine (New York, N.Y.) JID - 9508124 RN - 0 (Amyloid beta-Peptides) RN - 0 (Chemokine CCL2) RN - 0 (Chemokine CCL3) RN - 0 (Chemokine CCL4) RN - 0 (Chemokine CXCL10) RN - 0 (Chemokines) RN - 0 (Chemokines, CXC) RN - 0 (Cytokines) RN - 0 (Interleukin-1) RN - 0 (Lipopolysaccharides) RN - 0 (Macrophage Inflammatory Proteins) RN - 0 (Membrane Proteins) RN - 0 (Peptide Fragments) RN - 0 (Plant Extracts) RN - 0 (RNA, Messenger) RN - 0 (Tumor Necrosis Factor-alpha) RN - 0 (amyloid beta-protein (1-42)) RN - EC 1.14.99.1 (Cyclooxygenase 2) RN - EC 1.14.99.1 (PTGS2 protein, human) RN - EC 1.14.99.1 (Prostaglandin-Endoperoxide Synthases) SB - IM MH - Alzheimer Disease/*drug therapy/metabolism MH - Amyloid beta-Peptides/*metabolism MH - Cell Culture Techniques MH - Chemokine CCL2/antagonists & inhibitors MH - Chemokine CCL3 MH - Chemokine CCL4 MH - Chemokine CXCL10 MH - Chemokines/*antagonists & inhibitors MH - Chemokines, CXC/antagonists & inhibitors MH - Cyclooxygenase 2 MH - Cytokines/*antagonists & inhibitors MH - Dose-Response Relationship, Drug MH - Gene Expression Regulation/drug effects MH - *Zingiber officinale MH - Humans MH - Interleukin-1/antagonists & inhibitors MH - Lipopolysaccharides/antagonists & inhibitors MH - Macrophage Inflammatory Proteins/antagonists & inhibitors MH - Membrane Proteins MH - Monocytes/*drug effects/metabolism MH - Peptide Fragments/*metabolism MH - Plant Extracts/pharmacology MH - Plaque, Amyloid/*drug effects/metabolism MH - Prostaglandin-Endoperoxide Synthases/drug effects MH - RNA, Messenger MH - Tumor Necrosis Factor-alpha/antagonists & inhibitors EDAT- 2005/01/28 09:00 MHDA- 2005/05/20 09:00 CRDT- 2005/01/28 09:00 PHST- 2005/01/28 09:00 [pubmed] PHST- 2005/05/20 09:00 [medline] PHST- 2005/01/28 09:00 [entrez] AID - 10.1089/acm.2004.10.1009 [doi] PST - ppublish SO - J Altern Complement Med. 2004 Dec;10(6):1009-13. doi: 10.1089/acm.2004.10.1009.