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Rei Yan SL, Wakasuqui F, Du X, Groves MR, Wrenger C. Lipoic Acid Metabolism as a Potential Chemotherapeutic Target Against Plasmodium falciparum and Staphylococcus aureus. Front Chem 2021; 9:742175. [PMID: 34805091 PMCID: PMC8600131 DOI: 10.3389/fchem.2021.742175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 10/21/2021] [Indexed: 11/17/2022] Open
Abstract
Lipoic acid (LA) is an organic compound that plays a key role in cellular metabolism. It participates in a posttranslational modification (PTM) named lipoylation, an event that is highly conserved and that occurs in multimeric metabolic enzymes of very distinct microorganisms such as Plasmodium sp. and Staphylococcus aureus, including pyruvate dehydrogenase (PDH) and α-ketoglutarate dehydrogenase (KDH). In this mini review, we revisit the recent literature regarding LA metabolism in Plasmodium sp. and Staphylococcus aureus, by covering the lipoate ligase proteins in both microorganisms, the role of lipoate ligase proteins and insights for possible inhibitors of lipoate ligases.
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Affiliation(s)
- Sun Liu Rei Yan
- Unit for Drug Discovery, Department of Parasitology, Institute of Biomedical Sciences-ICB, University of São Paulo, São Paulo, Brazil
| | - Felipe Wakasuqui
- Unit for Drug Discovery, Department of Parasitology, Institute of Biomedical Sciences-ICB, University of São Paulo, São Paulo, Brazil
| | - Xiaochen Du
- Structural Biology in Drug Design, Department of Drug Design, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, Netherlands
| | - Matthew R Groves
- Structural Biology in Drug Design, Department of Drug Design, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, Netherlands
| | - Carsten Wrenger
- Unit for Drug Discovery, Department of Parasitology, Institute of Biomedical Sciences-ICB, University of São Paulo, São Paulo, Brazil
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Qin D, Zhang H, Zhang H, Sun T, Zhao H, Lee WH. Anti-osteoporosis effects of osteoking via reducing reactive oxygen species. JOURNAL OF ETHNOPHARMACOLOGY 2019; 244:112045. [PMID: 31260757 DOI: 10.1016/j.jep.2019.112045] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 05/10/2019] [Accepted: 06/27/2019] [Indexed: 06/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Osteoking is a Traditional Chinese Medicine consisting of seven types of medicinal herbs originated from Yi nationality and has been used in clinic to treat bone diseases for thousands of years in China. Osteoking shows excellent clinical therapeutic effects on osteoporosis, but it is not clear whether Osteoking could exhibit beneficial effects against osteoporosis via reducing reactive oxygen species (ROS). AIM OF THE STUDY To explore whether the protective effects of Osteoking on osteoporosis related to ROS, we investigated the effects of Osteoking on osteogenesis differentiation under oxidative stress. MATERIALS AND METHODS The ovariectomized (OVX) osteoporosis model was established by ovarian surgery, and Osteoking was orally administrated for 84 days. Then the pathogenesis changes of femur were analyzed by Hematoxylin and eosin (H&E) and Masson's trichrome staining. The levels of ROS, malondialdehyde (MDA)and superoxide dismutase (SOD) from rats' serum were further measured. In vitro, mouse pre-osteoblastic MC3T3-E1 cells pre-treated with or without 0.25 mM tert-butyl hydroperoxide (t-BHP) for 2 h were cultured and treated with different dilutions of Osteoking or 20 μM N-Acetyl-L-cysteine for another 24 h, respectively. The intracellular ROS production and markers of oxidative damage of the MC3T3-E1 cells were determined using corresponding kits, respectively. The expressions of alkaline phosphatase (ALP), collagen type I, osteoprotegerin (OPG), TGF-β1, β-catenin, receptor activator of nuclear factor-κB ligand (RANKL) and interleukin-6 (IL-6) were further analyzed by qRT-PCR and western blotting upon treatment. RESULTS Our results showed that Osteoking significantly improving trabecular microstructure by promoting collagen fiber repair and new bone or cartilage regeneration was demonstrated in OVX osteoporosis rat models by micro-CT analysis and histological staining results. Osteoking supplementation reduced the levels of ROS and MDA in OVX rat serum and increased SOD activities. In addition, Osteoking could also up-regulate the proteins expression levels of Runx2, osteocalcin (BGP) and osteoprotegerin (OPG) but reducing the expression of tartrate-resistant acid phosphatase (TRAP). In vitro, Osteoking could effectively inhibit the t-BHP-induced intracellular excessive ROS production and protect cells from oxidative stress in mouse pre-osteoblastic MC3T3-E1 cells. Meanwhile, the mRNA expressions of ALP, collagen type I, OPG, TGF-β1 and β-catenin were also up-regulated whereas the RANKL and IL-6 were down-regulated in Osteoking-treated MC3T3-E1 cells. CONCLUSIONS A novel therapeutic mechanism of Osteoking on osteoporosis reveals by present investigation. Clinic effects of Osteoking to treat osteoporosis are closely related to its ability to reduce oxidative stress.
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Affiliation(s)
- Di Qin
- Key Laboratory of Bioactive Peptides of Yunnan Province, Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, Kunming Institute of Zoology, Kunming, 650223, Yunnan, China; Key Laboratory of Biological Medicine in Universities of Shandong Province, School of Bioscience and Technology, Weifang Medical University, Weifang, 261053, Shandong, China
| | - Huijie Zhang
- Key Laboratory of Bioactive Peptides of Yunnan Province, Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, Kunming Institute of Zoology, Kunming, 650223, Yunnan, China; Key Laboratory of Biological Medicine in Universities of Shandong Province, School of Bioscience and Technology, Weifang Medical University, Weifang, 261053, Shandong, China
| | - Hongfei Zhang
- Key Laboratory of Bioactive Peptides of Yunnan Province, Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, Kunming Institute of Zoology, Kunming, 650223, Yunnan, China; Key Laboratory of Biological Medicine in Universities of Shandong Province, School of Bioscience and Technology, Weifang Medical University, Weifang, 261053, Shandong, China
| | - Tongyi Sun
- Key Laboratory of Biological Medicine in Universities of Shandong Province, School of Bioscience and Technology, Weifang Medical University, Weifang, 261053, Shandong, China
| | - Hongbin Zhao
- First People's Hospital of Yunnan Province, Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, Yunnan, China.
| | - Wen-Hui Lee
- Key Laboratory of Bioactive Peptides of Yunnan Province, Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, Kunming Institute of Zoology, Kunming, 650223, Yunnan, China; Key Laboratory of Biological Medicine in Universities of Shandong Province, School of Bioscience and Technology, Weifang Medical University, Weifang, 261053, Shandong, China.
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Mada SB, Reddi S, Kumar N, Vij R, Yadav R, Kapila S, Kapila R. Casein-derived antioxidative peptide prevents oxidative stress-induced dysfunction in osteoblast cells. PHARMANUTRITION 2018. [DOI: 10.1016/j.phanu.2018.07.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Mohamed WR, Mehany ABM, Hussein RM. Alpha lipoic acid protects against chlorpyrifos-induced toxicity in Wistar rats via modulating the apoptotic pathway. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2018; 59:17-23. [PMID: 29500983 DOI: 10.1016/j.etap.2018.02.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 02/18/2018] [Accepted: 02/21/2018] [Indexed: 06/08/2023]
Abstract
The chronic exposure to chlorpyrifos (CPF) pesticide induces several human disorders including hepatotoxicity. Alpha-lipoic acid (ALA) is a natural antioxidant compound found in plants and animals. The present study aimed to investigate the possible protective effect of ALA against CPF-induced hepatotoxicity and the possible underlying molecular mechanism. Thirty-two male Wistar rats were divided into: Normal rats received only vehicle; ALA group received ALA (10 mg/kg, i.p.); CPF group received CPF (18 mg/kg, s.c.) and CPF-ALA group received CPF (18 mg/kg, s.c.) once daily for 14 days. The present results demonstrated that administration of ALA significantly improved liver functions (p < 0.05) and limited the histopathological lesions induced by CPF in liver tissues. Furthermore, ALA decreased hepatic malondialdehyde contents while increased the glutathione peroxidase, catalase, superoxide dismutase and acetylcholinesterase activities. Interestingly, ALA showed significant antiapoptotic effects through downregulation of Bax and Caspase-3 expression levels. In conclusion, ALA possess protective effects against CPF-induced liver injury through attenuation of apoptosis and oxidative stress.
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Affiliation(s)
- Wafaa R Mohamed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
| | - Ahmed B M Mehany
- Department of Zoology, Faculty of Science, Al-Azhar University, Egypt
| | - Rasha M Hussein
- Department of Biochemistry, Faculty of Pharmacy, Beni-Suef University, 62514, Beni-Suef, Egypt.
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Alpha-lipoic acid attenuates acute neuroinflammation and long-term cognitive impairment after polymicrobial sepsis. Neurochem Int 2017; 108:436-447. [DOI: 10.1016/j.neuint.2017.06.003] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 05/31/2017] [Accepted: 06/07/2017] [Indexed: 12/17/2022]
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Mada SB, Reddi S, Kumar N, Kapila S, Kapila R. Protective effects of casein-derived peptide VLPVPQK against hydrogen peroxide–induced dysfunction and cellular oxidative damage in rat osteoblastic cells. Hum Exp Toxicol 2017; 36:967-980. [DOI: 10.1177/0960327116678293] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Oxidative stress inhibits osteoblast differentiation and function that lead to the development of osteoporosis. Casein-derived peptide VLPVPQK (PEP), a potent antioxidant, was isolated from β-casein of buffalo milk. We used an in vitro oxidative stress model induced by hydrogen peroxide (H2O2) in rat osteoblastic cells to investigate the protective effects of PEP against H2O2-induced dysfunction and oxidative damage. Cells were pretreated with PEP (50–200 ng/mL) for 2, 7 or 21 days followed by 0.3 mM H2O2 treatment for 24 h and then markers of osteogenic development, oxidative damage and apoptosis were examined. PEP significantly increased the viability and differentiation markers of osteoblast cells such as alkaline phosphatase and calcium mineralization. Moreover, PEP suppressed the production of reactive oxygen species (ROS), lipid peroxidation and ameliorated H2O2-induced reduction in glutathione, superoxide dismutase and catalase activities. In addition, PEP partially inhibited caspase-9 and-3 activities and reduced propidium iodide–positive cells. Altogether, our results demonstrated that PEP could protect rat osteoblast against H2O2-induced dysfunction and oxidative damage by reduction of ROS production, lipid peroxidation and increased antioxidant enzyme activities. Thus, our data suggest that PEP might be a valuable protective agent against oxidative stress–related diseases such as osteoporosis.
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Affiliation(s)
- SB Mada
- Animal Biochemistry Division, ICAR-National Dairy Research Institute, Karnal, India
- Department of Biochemistry, Ahmadu Bello University, Zaria, Nigeria
| | - S Reddi
- Animal Biochemistry Division, ICAR-National Dairy Research Institute, Karnal, India
| | - N Kumar
- Animal Biochemistry Division, ICAR-National Dairy Research Institute, Karnal, India
| | - S Kapila
- Animal Biochemistry Division, ICAR-National Dairy Research Institute, Karnal, India
| | - R Kapila
- Animal Biochemistry Division, ICAR-National Dairy Research Institute, Karnal, India
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Roberts JL, Moreau R. Emerging role of alpha-lipoic acid in the prevention and treatment of bone loss. Nutr Rev 2016; 73:116-25. [PMID: 26024498 DOI: 10.1093/nutrit/nuu005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Osteoporosis is a chronic disease associated with decreased bone density that afflicts millions of people worldwide. Current pharmacological treatments are limited, costly, and linked to several negative side effects. These factors are driving current interest in the clinical use of naturally occurring bioactive compounds to mitigate bone loss. Alpha-lipoic acid, a potent antioxidant and essential member of mitochondrial dehydrogenases, has shown considerable promise as an antiosteoclastogenic agent due to its potent reactive oxygen species-scavenging capabilities along with a proven clinical safety record. Collectively, current data indicate that alpha-lipoic acid protects from bone loss via a 2-pronged mechanism involving inhibition of osteoclastogenic reactive oxygen species generation and upregulation of redox gene expression.
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Affiliation(s)
- Joseph L Roberts
- J.L. Roberts and R. Moreau are with the Department of Nutrition & Health Sciences, University of Nebraska-Lincoln, Lincoln, NE, USA
| | - Régis Moreau
- J.L. Roberts and R. Moreau are with the Department of Nutrition & Health Sciences, University of Nebraska-Lincoln, Lincoln, NE, USA.
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Huang YL, Lee CH, Liao JF, Liu YW, Chiou WF. Protective effects of ugonin K on hydrogen peroxide-induced osteoblast cell damage. J Funct Foods 2015. [DOI: 10.1016/j.jff.2015.03.056] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Jung WW. Protective effect of apigenin against oxidative stress-induced damage in osteoblastic cells. Int J Mol Med 2014; 33:1327-34. [PMID: 24573323 DOI: 10.3892/ijmm.2014.1666] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Accepted: 02/18/2014] [Indexed: 01/10/2023] Open
Abstract
Apigenin, a plant-derived flavonoid, was investigated to determine whether it could influence hydrogen peroxide (H2O2)-induced oxidative damage and cellular dysfunction in the MC3T3-E1 mouse osteoblastic cell line. In the present study, osteoblastic cells were treated with H2O2 in the presence or absence of apigenin. Cell viability, apoptosis, reactive oxygen species (ROS) production and mitochondrial membrane potential (ΔΨm) were subsequently examined. It was observed that H2O2 reduced cell survival and ΔΨm, while it markedly increased the intracellular levels of ROS and apoptosis. However, pretreatment of cells with apigenin attenuated all the H2O2-induced effects. The antioxidants, catalase and N-acetyl-L-cysteine (NAC) also prevented H2O2-induced oxidative cell damage. In addition, treatment with apigenin resulted in a significant elevation of osteoblast differentiation genes including alkaline phosphatase (ALP), collagen, osteopontin (OPN), osteoprotegerin (OPG), bone sialoprotein (BSP), osterix (OSX) and osteocalcin (OC) and bone morphogenetic proteins (BMPs) genes (BMP2, BMP4 and BMP7). In the mechanistic studies of cell signaling by the antioxidative potential of apigenin, it was found that apigenin activated the H2O2-induced decreased expression of phosphatidylinositol 3'-kinase (PI3K), protein kinase B2 (AKT2) genes and extracellular signal-related kinase (EPK) 2, which are key regulators of survival-related signaling pathways. By contrast, there were no changes in the expression of nuclear facor-κB (NF-κB) and c-Jun N-terminal kinase (JNK) gene exposed to H2O2 in the present study. Apigenin also upregulated the gene expression of antioxidant enzymes, superoxide dismutase (SOD) 1, SOD2 and glutathione peroxidase (GPx) 1. Taken together, these results suggested that apigenin attenuated oxidative-induced cell damage in osteoblastic cells and may be useful for the treatment of oxidative-related bone disease.
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Affiliation(s)
- Woon-Won Jung
- Department of Biomedical Laboratory Science, College of Health Sciences, Cheongju University, Cheongju, Chungbuk 360-764, Republic of Korea
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Inhibitory activity on RANKL-mediated osteoclastogenesis of Glossogyne tenuifolia extract. J Funct Foods 2014. [DOI: 10.1016/j.jff.2013.10.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Ide T, Azechi A, Suzuki N, Kunimatsu Y, Nakajima C, Kitade S. Effects of dietary α-lipoic acid enantiomers on hepatic fatty acid metabolism in rats. J Funct Foods 2013. [DOI: 10.1016/j.jff.2012.08.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Antigenotoxic effect of lipoic acid against mitomycin-C in human lymphocyte cultures. Cytotechnology 2012; 65:553-65. [PMID: 23132681 DOI: 10.1007/s10616-012-9504-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Accepted: 09/24/2012] [Indexed: 12/14/2022] Open
Abstract
Antitumor agents are used in therapy against many forms of human cancer. One of these is mitomycin-C (MMC). As with many agents, it can interact with biological molecules and can induce genetic hazards in non-tumor cells. One of the possible approaches to protect DNA from this damage is to supply antioxidants that can remove free radicals produced by antitumor agents. Lipoic acid (LA) is known as one of the most powerful antioxidants. The aim of this study was to investigate antigenotoxic effects of LA against MMC induced chromosomal aberrations (CA), sister chromatid exchanges (SCE) and micronucleus (MN) formation in human lymphocytes. Lymphocytes were treated with 0.2 μg MMC/heparinized mL for 48 h. Three different concentrations (0.5, 1, 2 μg/mL) of LA were used together with MMC in three different applications; 1 h pre-treatment, simultaneous treatment and 1 h post-treatment. A negative, a positive and a solvent control were also included. In all the cultures treated with MMC + LA, the frequency of abnormal cells and CA/cell significantly decreased compared to MMC. Statistically significant reduction was also observed in SCE/cell and MN frequencies in all treatments. These results demonstrated anticlastogenic and antimutagenic effects of LA against MMC induced genotoxicity. LA showed the most efficient effect during 1 h pretreatment. On the other hand, MMC + LA treatments induced significant reduction in mitotic index than that of MMC treatment alone. These results are encouraging that LA can be a possible chemopreventive agent in tumorigenesis in both cancer patients and in health care persons handling anti-cancer drugs.
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Effects of Low-Dose versus High-Dose γ-Tocotrienol on the Bone Cells Exposed to the Hydrogen Peroxide-Induced Oxidative Stress and Apoptosis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2012; 2012:680834. [PMID: 22956976 PMCID: PMC3432387 DOI: 10.1155/2012/680834] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2012] [Accepted: 07/24/2012] [Indexed: 11/18/2022]
Abstract
Oxidative stress and apoptosis can disrupt the bone formation activity of osteoblasts which can lead to osteoporosis. This study was conducted to investigate the effects of γ-tocotrienol on lipid peroxidation, antioxidant enzymes activities, and apoptosis of osteoblast exposed to hydrogen peroxide (H2O2). Osteoblasts were treated with 1, 10, and 100 μM of γ-tocotrienol for 24 hours before being exposed to 490 μM (IC50) H2O2 for 2 hours. Results showed that γ-tocotrienol prevented the malondialdehyde (MDA) elevation induced by H2O2 in a dose-dependent manner. As for the antioxidant enzymes assays, all doses of γ-tocotrienol were able to prevent the reduction in SOD and CAT activities, but only the dose of 1 μM of GTT was able to prevent the reduction in GPx. As for the apoptosis assays, γ-tocotrienol was able to reduce apoptosis at the dose of 1 and 10 μM. However, the dose of 100 μM of γ-tocotrienol induced an even higher apoptosis than H2O2. In conclusion, low doses of γ-tocotrienol offered protection for osteoblasts against H2O2 toxicity, but itself caused toxicity at the high doses.
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