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Diaz-Rodriguez P, Mariño C, Vázquez JA, Caeiro-Rey JR, Landin M. Targeting joint inflammation for osteoarthritis management through stimulus-sensitive hyaluronic acid based intra-articular hydrogels. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 128:112254. [PMID: 34474816 DOI: 10.1016/j.msec.2021.112254] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 05/19/2021] [Accepted: 06/08/2021] [Indexed: 12/20/2022]
Abstract
Numerous therapeutic strategies have been developed for osteoarthritis (OA) management, including intra-articular (IA) injections. The ideal IA formulation should control cartilage degradation and restore synovial fluid viscosity. To this end, we propose to combine thermo-sensitive polymers (poloxamers) with hyaluronic acid (HA) to develop suitable beta-lapachone (βLap) loaded IA formulations. The development of IA formulations with these components entails several difficulties: low βLap solubility, unknown βLap therapeutic dose and the bonded commitment of easy administration and viscosupplementation. An optimized formulation was designed using artificial intelligence tools based on the experimental results of a wide variety of hydrogels and its therapeutic capacity was evaluated on an ex vivo OA model. The formulation presented excellent rheological properties and significantly decreased the secretion of degradative (MMP13) and pro-inflammatory (CXCL8) molecules. Therefore, the developed formulation is a promising candidate for OA treatment restoring the synovial fluid rheological properties while decreasing inflammation and cartilage degradation.
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Affiliation(s)
- Patricia Diaz-Rodriguez
- R+D Pharma Group (GI-1645) Department of Pharmacology, Pharmacy and Pharmaceutical Technology, School of Pharmacy, Universidade de Santiago de Compostela, Santiago de Compostela, Spain; Drug Delivery Systems Group, Department of Chemical Engineering and Pharmaceutical Technology, School of Pharmacy, Universidad de La Laguna, La Laguna, Spain.
| | - Cibrán Mariño
- R+D Pharma Group (GI-1645) Department of Pharmacology, Pharmacy and Pharmaceutical Technology, School of Pharmacy, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Jose Antonio Vázquez
- Group of Recycling and Valorisation of Waste Materials (REVAL), Marine Research Institute (IIM-CSIC), Vigo, Spain
| | - Jose Ramon Caeiro-Rey
- Department of Orthopaedic Surgery and Traumatology, Complexo Hospitalario Universitario de Santiago de Compostela, Santiago de Compostela, Spain
| | - Mariana Landin
- R+D Pharma Group (GI-1645) Department of Pharmacology, Pharmacy and Pharmaceutical Technology, School of Pharmacy, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
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Foulkes MJ, Tolliday FH, Henry KM, Renshaw SA, Jones S. Evaluation of the anti-inflammatory effects of synthesised tanshinone I and isotanshinone I analogues in zebrafish. PLoS One 2020; 15:e0240231. [PMID: 33022012 PMCID: PMC7537861 DOI: 10.1371/journal.pone.0240231] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 09/22/2020] [Indexed: 01/13/2023] Open
Abstract
During inflammation, dysregulated neutrophil behaviour can play a major role in a range of chronic inflammatory diseases, for many of which current treatments are generally ineffective. Recently, specific naturally occurring tanshinones have shown promising anti-inflammatory effects by targeting neutrophils in vivo, yet such tanshinones, and moreover, their isomeric isotanshinone counterparts, are still a largely underexplored class of compounds, both in terms of synthesis and biological effects. To explore the anti-inflammatory effects of isotanshinones, and the tanshinones more generally, a series of substituted tanshinone and isotanshinone analogues was synthesised, alongside other structurally similar molecules. Evaluation of these using a transgenic zebrafish model of neutrophilic inflammation revealed differential anti-inflammatory profiles in vivo, with a number of compounds exhibiting promising effects. Several compounds reduce initial neutrophil recruitment and/or promote resolution of neutrophilic inflammation, of which two also result in increased apoptosis of human neutrophils. In particular, the methoxy-substituted tanshinone 39 specifically accelerates resolution of inflammation without affecting the recruitment of neutrophils to inflammatory sites, making this a particularly attractive candidate for potential pro-resolution therapeutics, as well as a possible lead for future development of functionalised tanshinones as molecular tools and/or chemical probes. The structurally related β-lapachones promote neutrophil recruitment but do not affect resolution. We also observed notable differences in toxicity profiles between compound classes. Overall, we provide new insights into the in vivo anti-inflammatory activities of several novel tanshinones, isotanshinones, and structurally related compounds.
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Affiliation(s)
- Matthew J. Foulkes
- Department of Chemistry, The University of Sheffield, Sheffield, United Kingdom
- The Bateson Centre, The University of Sheffield, Sheffield, United Kingdom
- Department of Infection, Immunity & Cardiovascular Disease, The University of Sheffield, Sheffield, United Kingdom
| | - Faith H. Tolliday
- The Bateson Centre, The University of Sheffield, Sheffield, United Kingdom
- Department of Infection, Immunity & Cardiovascular Disease, The University of Sheffield, Sheffield, United Kingdom
| | - Katherine M. Henry
- The Bateson Centre, The University of Sheffield, Sheffield, United Kingdom
- Department of Infection, Immunity & Cardiovascular Disease, The University of Sheffield, Sheffield, United Kingdom
| | - Stephen A. Renshaw
- The Bateson Centre, The University of Sheffield, Sheffield, United Kingdom
- Department of Infection, Immunity & Cardiovascular Disease, The University of Sheffield, Sheffield, United Kingdom
| | - Simon Jones
- Department of Chemistry, The University of Sheffield, Sheffield, United Kingdom
- * E-mail:
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Mokarizadeh N, Karimi P, Kazemzadeh H, Fathi Maroufi N, Sadigh-Eteghad S, Nikanfar S, Rashtchizadeh N. An evaluation on potential anti-inflammatory effects of β-lapachone. Int Immunopharmacol 2020; 87:106810. [DOI: 10.1016/j.intimp.2020.106810] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 07/08/2020] [Accepted: 07/12/2020] [Indexed: 12/21/2022]
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Ross D, Siegel D. Functions of NQO1 in Cellular Protection and CoQ 10 Metabolism and its Potential Role as a Redox Sensitive Molecular Switch. Front Physiol 2017; 8:595. [PMID: 28883796 PMCID: PMC5573868 DOI: 10.3389/fphys.2017.00595] [Citation(s) in RCA: 207] [Impact Index Per Article: 29.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Accepted: 08/02/2017] [Indexed: 01/25/2023] Open
Abstract
NQO1 is one of the two major quinone reductases in mammalian systems. It is highly inducible and plays multiple roles in cellular adaptation to stress. A prevalent polymorphic form of NQO1 results in an absence of NQO1 protein and activity so it is important to elucidate the specific cellular functions of NQO1. Established roles of NQO1 include its ability to prevent certain quinones from one electron redox cycling but its role in quinone detoxification is dependent on the redox stability of the hydroquinone generated by two-electron reduction. Other documented roles of NQO1 include its ability to function as a component of the plasma membrane redox system generating antioxidant forms of ubiquinone and vitamin E and at high levels, as a direct superoxide reductase. Emerging roles of NQO1 include its function as an efficient intracellular generator of NAD+ for enzymes including PARP and sirtuins which has gained particular attention with respect to metabolic syndrome. NQO1 interacts with a growing list of proteins, including intrinsically disordered proteins, protecting them from 20S proteasomal degradation. The interactions of NQO1 also extend to mRNA. Recent identification of NQO1 as a mRNA binding protein have been investigated in more detail using SERPIN1A1 (which encodes the serine protease inhibitor α-1-antitrypsin) as a target mRNA and indicate a role of NQO1 in control of translation of α-1-antitrypsin, an important modulator of COPD and obesity related metabolic syndrome. NQO1 undergoes structural changes and alterations in its ability to bind other proteins as a result of the cellular reduced/oxidized pyridine nucleotide ratio. This suggests NQO1 may act as a cellular redox switch potentially altering its interactions with other proteins and mRNA as a result of the prevailing redox environment.
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Affiliation(s)
- David Ross
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy, University of Colorado Anschutz Medical CampusAurora, CO, United States
| | - David Siegel
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy, University of Colorado Anschutz Medical CampusAurora, CO, United States
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NAD + augmentation ameliorates acute pancreatitis through regulation of inflammasome signalling. Sci Rep 2017; 7:3006. [PMID: 28592850 PMCID: PMC5462749 DOI: 10.1038/s41598-017-03418-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Accepted: 04/27/2017] [Indexed: 12/12/2022] Open
Abstract
Acute pancreatitis (AP) is a complicated disease without specific drug therapy. The cofactor nicotinamide adenine dinucleotide (NAD+) is an important regulator of cellular metabolism and homeostasis. However, it remains unclear whether modulation of NAD+ levels has an impact on caerulein-induced AP. Therefore, in this study, we investigated the effect of increased cellular NAD+ levels on caerulein-induced AP. We demonstrated for the first time that the activities and expression of SIRT1 were suppressed by reduction of intracellular NAD+ levels and the p53-microRNA-34a pathway in caerulein-induced AP. Moreover, we confirmed that the increase of cellular NAD+ by NQO1 enzymatic action using the substrate β-Lapachone suppressed caerulein-induced AP with down-regulating TLR4-mediated inflammasome signalling, and thereby reducing the inflammatory responses and pancreatic cell death. These results suggest that pharmacological stimulation of NQO1 could be a promising therapeutic strategy to protect against pathological tissue damage in AP.
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Gu DR, Lee JN, Oh GS, Kim HJ, Kim MS, Lee SH. The inhibitory effect of beta-lapachone on RANKL-induced osteoclastogenesis. Biochem Biophys Res Commun 2016; 482:1073-1079. [PMID: 27913299 DOI: 10.1016/j.bbrc.2016.11.160] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Accepted: 11/28/2016] [Indexed: 01/08/2023]
Abstract
β-lapachone (β-L) is a substrate of reduced nicotinamide adenine dinucleotide (NADH): quinone oxidoreductase 1 (NQO1). NQO1 reduces quinones to hydroquinones using NADH as an electron donor and consequently increases the intracellular NAD+/NADH ratio. The activation of NQO1 by β-L has beneficial effects on several metabolic syndromes, such as obesity, hypertension, and renal injury. However, the effect of β-L on bone metabolism remains unclear. Here, we show that β-L might be a potent inhibitor of receptor activator of nuclear factor-κB ligand (RANKL)-induced osteoclastogenesis. β-L inhibited osteoclast formation in a dose-dependent manner and also reduced the expression of osteoclast differentiation marker genes, such as tartrate-resistant acid phosphatase (Acp5 or TRAP), cathepsin K (CtsK), the d2 isoform of vacuolar ATPase V0 domain (Atp6v0d2), osteoclast-associated receptor (Oscar), and dendritic cell-specific transmembrane protein (Dc-stamp). β-L treatment of RANKL-induced osteoclastogenesis significantly increased the cellular NAD+/NADH ratio and resulted in the activation of 5' AMP-activated protein kinase (AMPK), a negative regulator of osteoclast differentiation. In addition, β-L treatment led to significant suppression of the expression of peroxisome proliferator-activated receptor gamma (PPARγ) and peroxisome proliferator-activated receptor gamma coactivator 1β (PGC1β), which can stimulate osteoclastogenesis. β-L treatment downregulated c-Fos and nuclear factor of activated T-cells 1 (NFATc1), which are master transcription factors for osteoclastogenesis. Taken together, the results demonstrated that β-L inhibits RANKL-induced osteoclastogenesis and could be considered a potent inhibitor of RANKL-mediated bone diseases, such as postmenopausal osteoporosis, rheumatoid arthritis, and periodontitis.
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Affiliation(s)
- Dong Ryun Gu
- Department of Oral Microbiology and Immunology, College of Dentistry, Wonkwang University, Republic of Korea; Center for Metabolic Function Regulation (CMFR), School of Medicine, Wonkwang University, Republic of Korea
| | - Joon No Lee
- Center for Metabolic Function Regulation (CMFR), School of Medicine, Wonkwang University, Republic of Korea
| | - Gi-Su Oh
- Center for Metabolic Function Regulation (CMFR), School of Medicine, Wonkwang University, Republic of Korea
| | - Hyung Jin Kim
- Center for Metabolic Function Regulation (CMFR), School of Medicine, Wonkwang University, Republic of Korea
| | - Min Seuk Kim
- Department of Oral Physiology, College of Dentistry, Wonkwang University, Republic of Korea; Institute of Biomaterials Implant, Wonkwang University, Republic of Korea
| | - Seoung Hoon Lee
- Department of Oral Microbiology and Immunology, College of Dentistry, Wonkwang University, Republic of Korea; Center for Metabolic Function Regulation (CMFR), School of Medicine, Wonkwang University, Republic of Korea; Institute of Biomaterials Implant, Wonkwang University, Republic of Korea; Integrated Omics Institute, Wonkwang University, Iksan, Jeonbuk, 54538, Republic of Korea.
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Park JS, Lee YY, Kim J, Seo H, Kim HS. β-Lapachone increases phase II antioxidant enzyme expression via NQO1-AMPK/PI3K-Nrf2/ARE signaling in rat primary astrocytes. Free Radic Biol Med 2016; 97:168-178. [PMID: 27242267 DOI: 10.1016/j.freeradbiomed.2016.05.024] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Revised: 05/11/2016] [Accepted: 05/26/2016] [Indexed: 12/12/2022]
Abstract
β-Lapachone (β-LAP) is a naturally occurring quinine that exerts a number of pharmacological actions including antibacterial, antifungal, antimalarial, and antitumor activities. In the present study, we investigated whether β-LAP has an antioxidant effect in rat primary astrocytes. β-LAP suppressed intracellular reactive oxygen species (ROS) production induced by hydrogen peroxide and inhibited astroglial cell death. It also increased astrocytic expression of phase II antioxidant enzymes such as heme oxygenase-1 (HO-1), NAD(P)H:quinone oxidoreductase 1 (NQO1), manganese superoxide dismutase (MnSOD), and catalase. Further mechanistic studies revealed that β-LAP activated AMPK and Akt, and pretreatment of cells with an AMPK inhibitor (compound C) or PI3K/Akt inhibitor (LY294002) suppressed β-LAP-induced antioxidant enzyme expression by inhibiting Nrf2/antioxidant response element (ARE) signaling. Compound C also decreased Akt phosphorylation, suggesting that AMPK is upstream of PI3K/Akt. Furthermore, the AMPK activator 5-aminoimidazole-4-carboxamide 1-β-d-ribofuranoside mimicked the effect of β-LAP by increasing Akt phosphorylation and ARE-mediated transcription, suggesting that AMPK plays a pivotal role in β-LAP-mediated antioxidant enzyme expression. Because β-LAP effects are usually associated with NQO1 activity, we examined the effect of NQO1 knockdown on antioxidant enzyme expression. Small interfering RNA (siRNA) specific for NQO1 inhibited β-LAP-induced AMPK/Akt phosphorylation and downstream antioxidant enzyme expression. Collectively, the results suggest that β-LAP increases antioxidant enzyme gene expression in astrocytes by modulating NQO1-AMPK/PI3K-Nrf2/ARE signaling.
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Affiliation(s)
- Jin-Sun Park
- Department of Molecular Medicine, Tissue Injury Defense Research Center, Ewha Womans University Medical School, Seoul, Republic of Korea
| | - Yu-Young Lee
- Department of Molecular Medicine, Tissue Injury Defense Research Center, Ewha Womans University Medical School, Seoul, Republic of Korea
| | - Jisun Kim
- Department of Molecular & Life Sciences, Hanyang University, Republic of Korea
| | - Hyemyung Seo
- Department of Molecular & Life Sciences, Hanyang University, Republic of Korea.
| | - Hee-Sun Kim
- Department of Molecular Medicine, Tissue Injury Defense Research Center, Ewha Womans University Medical School, Seoul, Republic of Korea.
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Chang KC. Cilostazol inhibits HMGB1 release in LPS-activated RAW 264.7 cells and increases the survival of septic mice. Thromb Res 2015; 136:456-64. [DOI: 10.1016/j.thromres.2015.06.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Revised: 05/11/2015] [Accepted: 06/14/2015] [Indexed: 10/23/2022]
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Du L, Li MD, Zhang Y, Xue J, Zhang X, Zhu R, Cheng SC, Li X, Phillips DL. Photoconversion of β-Lapachone to α-Lapachone via a Protonation-Assisted Singlet Excited State Pathway in Aqueous Solution: A Time-Resolved Spectroscopic Study. J Org Chem 2015; 80:7340-50. [DOI: 10.1021/acs.joc.5b00086] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Lili Du
- Department of Chemistry, The University of Hong Kong, Hong Kong S.A.R., China
| | - Ming-De Li
- Department of Chemistry, The University of Hong Kong, Hong Kong S.A.R., China
| | - Yanfeng Zhang
- Department of Chemistry, The University of Hong Kong, Hong Kong S.A.R., China
| | - Jiadan Xue
- Department
of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Xiting Zhang
- Department of Chemistry, The University of Hong Kong, Hong Kong S.A.R., China
| | - Ruixue Zhu
- Department of Chemistry, The University of Hong Kong, Hong Kong S.A.R., China
| | - Shun Cheung Cheng
- Department of Chemistry, The University of Hong Kong, Hong Kong S.A.R., China
| | - Xuechen Li
- Department of Chemistry, The University of Hong Kong, Hong Kong S.A.R., China
| | - David Lee Phillips
- Department of Chemistry, The University of Hong Kong, Hong Kong S.A.R., China
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Lee EJ, Ko HM, Jeong YH, Park EM, Kim HS. β-Lapachone suppresses neuroinflammation by modulating the expression of cytokines and matrix metalloproteinases in activated microglia. J Neuroinflammation 2015; 12:133. [PMID: 26173397 PMCID: PMC4502557 DOI: 10.1186/s12974-015-0355-z] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Accepted: 06/29/2015] [Indexed: 12/22/2022] Open
Abstract
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 in vivo neuroinflammatory conditions. Methods The effects of β-LAP on the expression of inducible nitric oxide synthase (iNOS), cytokines, and matrix metalloproteinases (MMPs) were examined in lipopolysaccharide (LPS)-stimulated BV2 microglial cells and rat primary microglia by ELISA, reverse transcription polymerase chain reaction (RT-PCR), and Western blot analysis. Microglial activation and the expression levels of proinflammatory molecules were measured in the LPS-injected mouse brain by immunohistochemistry and RT-PCR analysis. The detailed molecular mechanism underlying the anti-inflammatory effects of β-LAP was analyzed by electrophoretic mobility shift assay, reporter gene assay, Western blot, and RT-PCR analysis. Results β-LAP inhibited the expression of iNOS, proinflammatory cytokines, and MMPs (MMP-3, MMP-8, MMP-9) at mRNA and protein levels in LPS-stimulated microglia. On the other hand, β-LAP upregulated the expressions of anti-inflammatory molecules such as IL-10, heme oxygenase-1 (HO-1), and the tissue inhibitor of metalloproteinase-2 (TIMP-2). The anti-inflammatory effect of β-LAP was confirmed in an LPS-induced systemic inflammation mouse model. Thus, β-LAP inhibited microglial activation and the expressions of iNOS, proinflammatory cytokines, and MMPs in the LPS-injected mouse brain. Further mechanistic studies revealed that β-LAP exerts anti-inflammatory effects by inhibiting MAPKs, PI3K/AKT, and NF-κB/AP-1 signaling pathways in LPS-stimulated microglia. β-LAP also inhibited reactive oxygen species (ROS) production by suppressing the expression and/or phosphorylation of NADPH oxidase subunit proteins, such as p47phox and gp91phox. The anti-oxidant effects of β-LAP appeared to be related with the increase of HO-1 and NQO1 via the Nrf2/anti-oxidant response element (ARE) pathway and/or the PKA pathway. Conclusions The strong anti-inflammatory/anti-oxidant effects of β-LAP may provide preventive therapeutic potential for various neuroinflammatory disorders. Electronic supplementary material The online version of this article (doi:10.1186/s12974-015-0355-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Eun-Jung Lee
- Department of Molecular Medicine, Tissue Injury Defense Research Center, School of Medicine, Ewha Womans University, Mok-6-dong 911-1, Yangchun-Ku, Seoul, 158-710, South Korea.
| | - Hyun-Myung Ko
- Department of Molecular Medicine, Tissue Injury Defense Research Center, School of Medicine, Ewha Womans University, Mok-6-dong 911-1, Yangchun-Ku, Seoul, 158-710, South Korea.
| | - Yeon-Hui Jeong
- Department of Molecular Medicine, Tissue Injury Defense Research Center, School of Medicine, Ewha Womans University, Mok-6-dong 911-1, Yangchun-Ku, Seoul, 158-710, South Korea.
| | - Eun-Mi Park
- Department of Pharmacology, Tissue Injury Defense Research Center, School of Medicine, Ewha Womans University, Seoul, 158-710, South Korea.
| | - Hee-Sun Kim
- Department of Molecular Medicine, Tissue Injury Defense Research Center, School of Medicine, Ewha Womans University, Mok-6-dong 911-1, Yangchun-Ku, Seoul, 158-710, South Korea.
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Kim I, Kim H, Ro J, Jo K, Karki S, Khadka P, Yun G, Lee J. Preclinical Pharmacokinetic Evaluation of β-Lapachone: Characteristics of Oral Bioavailability and First-Pass Metabolism in Rats. Biomol Ther (Seoul) 2015; 23:296-300. [PMID: 25995830 PMCID: PMC4428724 DOI: 10.4062/biomolther.2015.029] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Revised: 03/24/2015] [Accepted: 03/31/2015] [Indexed: 11/18/2022] Open
Abstract
β-Lapachone has drawn increasing attention as an anti-inflammatory and anti-cancer drug. However, its oral bioavailability has not been yet assessed, which might be useful to develop efficient dosage forms possibly required for non-clinical and clinical studies and future market. The aim of the present study was thus to investigate pharmacokinetic properties of β-lapachone as well as its first-pass metabolism in the liver, and small and large intestines after oral administration to measure the absolute bioavailability in rats. A sensitive HPLC method was developed to evaluate levels of β-lapachone in plasma and organ homogenates. The drug degradation profiles were examined in plasma to assess the stability of the drug and in liver and intestinal homogenates to evaluate first-pass metabolism. Pharmacokinetic profiles were obtained after oral and intravenous administration of β-lapachone at doses of 40 mg/kg and 1.5 mg/kg, respectively. The measured oral bioavailability of β-lapachone was 15.5%. The considerable degradation of β-lapachone was seen in the organ homogenates but the drug was quite stable in plasma. In conclusion, we suggest that the fairly low oral bioavailability of β-lapachone may be resulted from the first-pass metabolic degradation of β-lapachone in the liver, small and large intestinal tracts and its low aqueous solubility.
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Affiliation(s)
- Iksoo Kim
- College of Pharmacy, Chung-Ang University, Seoul 156-756
| | - Hyeongmin Kim
- College of Pharmacy, Chung-Ang University, Seoul 156-756
| | - Jieun Ro
- College of Pharmacy, Chung-Ang University, Seoul 156-756
| | - Kanghee Jo
- College of Pharmacy, Chung-Ang University, Seoul 156-756
| | - Sandeep Karki
- College of Pharmacy, Chung-Ang University, Seoul 156-756
| | - Prakash Khadka
- College of Pharmacy, Chung-Ang University, Seoul 156-756
| | - Gyiae Yun
- Department of Food Science and Technology, Chung-Ang University, Anseong 456-756, Republic of Korea
| | - Jaehwi Lee
- College of Pharmacy, Chung-Ang University, Seoul 156-756
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Gang GT, Hwang JH, Kim YH, Noh JR, Kim KS, Jeong JY, Choi DE, Lee KW, Jung JY, Shong M, Lee CH. Protection of NAD(P)H:quinone oxidoreductase 1 against renal ischemia/reperfusion injury in mice. Free Radic Biol Med 2014; 67:139-49. [PMID: 24189322 DOI: 10.1016/j.freeradbiomed.2013.10.817] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2013] [Revised: 10/18/2013] [Accepted: 10/28/2013] [Indexed: 11/21/2022]
Abstract
UNLABELLED Ischemia/reperfusion (I/R) is the most common cause of acute renal injury. I/R-induced reactive oxygen species (ROS) are thought to be a major factor in the development of acute renal injury by promoting the initial tubular damage. NAD(P)H quinone oxidoreductase 1 (NQO1) is a well-known antioxidant protein that regulates ROS generation. The purpose of this study was to investigate whether NQO1 modulates the renal I/R injury (IRI) associated with NADPH oxidase (NOX)-derived ROS production in an animal model. We analyzed renal function, oxidative stress, and tubular apoptosis after IRI. NQO1(-/-) mice showed increased blood urea nitrogen and creatinine levels, tubular damage, oxidative stress, and apoptosis. In the kidneys of NQO1(-/-) mice, the cellular NADPH/NADP(+) ratio was significantly higher and NOX activity was markedly higher than in those of NQO1(+/+) mice. The activation of NQO1 by β-lapachone (βL) significantly improved renal dysfunction and reduced tubular cell damage, oxidative stress, and apoptosis by renal I/R. Moreover, the βL treatment significantly lowered the cellular NADPH/NADP(+) ratio and dramatically reduced NOX activity in the kidneys after IRI. From these results, it was concluded that NQO1 has a protective role against renal injury induced by I/R and that this effect appears to be mediated by decreased NOX activity via cellular NADPH/NADP(+) modulation. These results provide convincing evidence that NQO1 activation might be beneficial for ameliorating renal injury induced by I/R.
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Affiliation(s)
- Gil-Tae Gang
- Laboratory Animal Center, Korea Research Institute of Bioscience and Biotechnology, Yuseong-gu, Daejeon 305-806, Republic of Korea
| | - Jung Hwan Hwang
- Laboratory Animal Center, Korea Research Institute of Bioscience and Biotechnology, Yuseong-gu, Daejeon 305-806, Republic of Korea
| | - Yong-Hoon Kim
- Laboratory Animal Center, Korea Research Institute of Bioscience and Biotechnology, Yuseong-gu, Daejeon 305-806, Republic of Korea
| | - Jung-Ran Noh
- Laboratory Animal Center, Korea Research Institute of Bioscience and Biotechnology, Yuseong-gu, Daejeon 305-806, Republic of Korea
| | - Kyoung-Shim Kim
- Laboratory Animal Center, Korea Research Institute of Bioscience and Biotechnology, Yuseong-gu, Daejeon 305-806, Republic of Korea
| | - Jin Young Jeong
- Nephrology Research Department, Chungnam National University Hospital, Chunggu, Daejeon, Republic of Korea
| | - Dae Eun Choi
- Nephrology Research Department, Chungnam National University Hospital, Chunggu, Daejeon, Republic of Korea
| | - Kang Wook Lee
- Nephrology Research Department, Chungnam National University Hospital, Chunggu, Daejeon, Republic of Korea
| | - Ju-Young Jung
- College of Veterinary Medicine, School of Medicine, Chungnam National University, Daejeon 301-721, Republic of Korea
| | - Minho Shong
- Research Center for Endocrine and Metabolic Diseases, School of Medicine, Chungnam National University, Daejeon 301-721, Republic of Korea
| | - Chul-Ho Lee
- Laboratory Animal Center, Korea Research Institute of Bioscience and Biotechnology, Yuseong-gu, Daejeon 305-806, Republic of Korea.
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