beta lapachone/inflammation

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Anti-inflammatory effects of beta-lapachone in lipopolysaccharide-stimulated BV2 microglia.

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beta-Lapachone (LAPA) is a chemotherapeutic agent that can inhibit the expression of nitric oxide (NO) and inducible NO synthase (iNOS) in alveolar macrophages. No other information on the agent's anti-inflammatory activity has been reported. In the present study, we investigated the molecular

β-Lapachone, a substrate of NAD(P)H:quinone oxidoreductase, induces anti-inflammatory heme oxygenase-1 via AMP-activated protein kinase activation in RAW264.7 macrophages.

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AMP-activated protein kinase (AMPK), a crucial regulator of energy metabolic homeostasis, is suggested to regulate inflammatory responses, but its precise mechanisms are not fully understood. It has been reported that pharmacological activation of AMPK induces heme oxygenase-1 (HO-1) expression.

An evaluation on potential anti-inflammatory effects of β-lapachone

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Inflammation plays a significant role in the pathogenesis of chronic diseases. Inflammatory diseases such as bacterial diseases, Alzheimer's disease, rheumatoid arthritis, multiple sclerosis, and so on, impose huge costs on the health systems. On the other hand, some side effects have been reported

β-Lapachone ameliorates murine cisplatin nephrotoxicity: NAD⁺, NQO1, and SIRT1 at the crossroads of metabolism, injury, and inflammation.

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The clinical utility of cisplatin is limited by nephrotoxicity. Oh et al. report that β-lapachone prevents this nephrotoxicity but not cisplatin's cytotoxicity for cancers. In addition to its potential clinical importance, the beneficial effect of β-lapachone on cisplatin acute kidney injury may

Synthesis and anti-inflammatory evaluations of β-lapachone derivatives.

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β-Lapachone (β-LAPA), a natural product from the lapacho tree in South America, is a potential chemotherapeutic agent that exhibit a wide variety of pharmacological effects such as anti-virus, anti-parasitic, anti-cancer, and anti-inflammatory activities. In order to discover novel anti-inflammatory

Anti-inflammatory and anti-arthritic activities of 3,4-dihydro-2,2-dimethyl-2H-naphthol[1,2-b]pyran-5,6-dione (β-lapachone).

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OBJECTIVE The purpose of this study was to evaluate the anti-inflammatory and anti-arthritic activities of 3,4-dihydro-2,2-dimethyl-2H-naphthol[1,2-b]pyran-5,6-dione (β-lapachone; β-lap) and to elucidate its probable mode of action. METHODS Carrageenan-induced paw edema, cell migration evaluation

Cytoprotective effect of β-lapachone by inducing heme oxygenase-1 expression and AMP-activated protein kinase activation in human endothelial cells.

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OBJECTIVE AMP-activated protein kinase (AMPK) is suggested to exert cytoprotective and anti-inflammatory effects in endothelial cells, but the precise mechanisms are not fully understood. It has been reported that pharmacological activation of AMPK induces endothelial heme oxygenase-1 (HO-1)

Effects of β-lapachone on the production of Th1 and Th2 cytokines in C57BL/6 mice.

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In this study, we investigated the effects of β-lapachone (β-lap) on the production of cytokines in C57BL/6 mice. The culture supernatants of splenocytes exposed to β-lap plus lipopolysaccharide or concanavalin A (Con A) were harvested to determine Th1 (tumor necrosis factor-α, interferon-γ,

Inhibition of inducible nitric oxide synthase by beta-lapachone in rat alveolar macrophages and aorta.

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Beta-lapachone, a plant product, has been shown to be a novel inhibitor of DNA topoisomerase. In this study, we performed experiments to examine the effects of beta-lapachone on lipopolysaccharide (LPS)-induced inducible nitric oxide (NO) synthase (iNOS) in rat alveolar macrophages and aortic rings.

β-Lapachone ameliorization of experimental autoimmune encephalomyelitis.

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β-Lapachone is a naturally occurring quinine, originally isolated from the bark of the lapacho tree (Tabebuia avellanedae) which is currently being evaluated in clinical trials for the treatment of cancer. In addition, recent investigations suggest its potential application for treatment of

Sulindac compounds facilitate the cytotoxicity of β-lapachone by up-regulation of NAD(P)H quinone oxidoreductase in human lung cancer cells.

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β-lapachone, a major component in an ethanol extract of Tabebuia avellanedae bark, is a promising potential therapeutic drug for various tumors, including lung cancer, the leading cause of cancer-related deaths worldwide. In the first part of this study, we found that apoptotic cell death induced in

Induction of Egr-1 is associated with anti-metastatic and anti-invasive ability of beta-lapachone in human hepatocarcinoma cells.

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beta-lapachone, a quinone compound obtained from the bark of the lapacho tree (Tabebuia avellanedae), was reported to have anti-inflammatory and anti-cancer activities. In this study, we investigated novel functions of beta-lapachone in terms of anti-metastasis and anti-invasion abilities using

The effect of inhibiting topoisomerase I and II on the anti-apoptotic response associated with pro-inflammatory crystals of calcium pyrophosphate dihydrate in human neutrophils.

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OBJECTIVE To investigate the ability of various topoisomerase I and II inhibitors to reverse the pro-survival effects of calcium pyrophosphate dihydrate (CPPD) crystals on human neutrophils, thereby identifying potential agents that may promote the resolution of neutrophil accumulation typical of

Antiparasitic and anti-inflammatory activities of ß-lapachone-derived naphthoimidazoles in experimental acute Trypanosoma cruzi infection.

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Chagas disease, which is caused by the protozoan Trypanosoma cruzi, is endemic to Latin America and mainly affects low-income populations. Chemotherapy is based on two nitrocompounds, but their reduced efficacy encourages the continuous search for alternative drugs. Our group has

β-Lapachone suppresses neuroinflammation by modulating the expression of cytokines and matrix metalloproteinases in activated microglia.

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BACKGROUND β-Lapachone (β-LAP) is a natural naphthoquinone compound isolated from the lapacho tree (Tabebuia sp.), and it has been used for treatment of rheumatoid arthritis, infection, and cancer. In the present study, we investigated whether β-LAP has anti-inflammatory effects under in vitro and

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