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Yücetaş ŞC, Çakir T. Decreased catalase expression is associated with ligamentum flavum hypertrophy due to lumbar spinal canal stenosis. Medicine (Baltimore) 2019; 98:e15192. [PMID: 30985713 PMCID: PMC6485878 DOI: 10.1097/md.0000000000015192] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 02/27/2019] [Accepted: 03/18/2019] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND This is an immunohistologic study of gene expression between patients and controls.This study aims to evaluate expression of the catalase gene in hypertrophied ligamentum flavum (LF) specimens obtained from patients with lumbar spinal canal stenosis (LSCS).LSCS is one of the most common spinal disorders. It is well known that LF hypertrophy plays an important role in the onset of LSCS. Although degenerative changes, aging, and mechanical stress are all thought to contribute to hypertrophy and fibrosis of the LF, the precise pathogenesis of LF hypertrophy remains unknown. Previous genetic studies have tried to determine the mechanism of LF hypertrophy. However, the association between catalase gene expression and LF hypertrophy has not yet been explored. METHODS LF specimens were surgically obtained from 30 patients with spinal stenosis (LSCS group) and from 30 controls with lumbar disc herniation (LDH group). LF thickness was measured at the thickest point using calipers to an accuracy of 0.01 mm during surgical intervention. The extent of LF elastin degradation and fibrosis were graded (grades 0-4) by hematoxylin and eosin staining and Masson trichrome staining, respectively. The resulting LF measurements, histologic data, and immunohistologic results were then compared between the 2 groups. RESULTS The average LF thickness was significantly higher in the LSCS group than in the LDH group (5.99 and 2.95 mm, respectively, P = .004). Elastin degradation and fibrosis of the LF were significantly more severe in spinal stenosis samples than in the disc herniation samples (3.04 ± 0.50 vs 0.79 ± 0.60, P = .007; 3.01 ± 0.47 vs 0.66 ± 0.42, P = .009, respectively). Significantly lower expression of catalase was observed in the perivascular area of LF samples obtained from patients with LSCS compared with controls (61.80 ± 31.10 vs 152.80 ± 41.13, respectively, P = .009). CONCLUSION Our findings suggest that decreased expression of catalase is associated with LF hypertrophy in patients with LSCS.
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Affiliation(s)
- Şeyho Cem Yücetaş
- Department of Neurosurgery, Adiyaman University Medical Faculty Training and Research Hospital, Adiyaman
| | - Tayfun Çakir
- Department of Neurosurgery, Erzincan Binali Yildirim University Medical Faculty, Başbağlar Mah, Center of City Erzincan, Turkey
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Dechsupa S, Yingsakmongkol W, Limthongkul W, Singhatanadgige W, Honsawek S. Relative telomere length and oxidative DNA damage in hypertrophic ligamentum flavum of lumbar spinal stenosis. PeerJ 2018; 6:e5381. [PMID: 30123710 PMCID: PMC6087619 DOI: 10.7717/peerj.5381] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 07/14/2018] [Indexed: 12/27/2022] Open
Abstract
Background Lumbar spinal stenosis (LSS) is a common cause of low back pain with degenerative spinal change in older adults. Telomeres are repetitive nucleoprotein DNA sequences of TTAGGG at the ends of chromosomes. Oxidative stress originates from an imbalance in pro-oxidant and antioxidant homeostasis that results in the production of reactive oxygen species (ROS). The purpose of this study was to investigate relative telomere length (RTL) and oxidative DNA damage in ligamentum flavum (LF) tissue from LSS patients. Methods Forty-eight patients with LSS participated in this study. Genomic DNA from non-hypertrophic and hypertrophic LF tissue were analyzed by real-time polymerase chain reaction for relative telomere length (RTL). 8-hydroxy 2'-deoxygaunosine (8-OHdG) levels were determined by using enzyme-linked immunosorbent assay. We cultivated LF fibroblast cells from patients in different ages (61, 66, and 77 years). After each cultivation cycle, we examined RTL and senescence-associated β-galactosidase (SA-β-gal) expression. Results The hypertrophic LF had significantly lower RTL than non-hypertrophic LF (P = 0.04). The levels of 8-OHdG were significantly higher in hypertrophic LF compared to non-hypertrophic LF (P = 0.02). With advancing cell culture passage, the number of cells in each passage was significantly lower in hypertrophic LF fibroblast cells than non-hypertrophic LF fibroblast cells. When evaluated with SA-β-gal staining, all senescent LF fibroblast cells were observed at earlier passages in hypertrophic LF compared with non-hypertrophic LF fibroblast cells. Discussion Our results showed that patients with LSS displayed an accelerated RTL shortening and high oxidative stress in hypertrophic LF. These findings implied that telomere shortening and oxidative stress may play roles in the pathogenesis of hypertrophic LF in lumbar spinal stenosis.
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Affiliation(s)
- Sinsuda Dechsupa
- Osteoarthritis and Musculoskeleton Research Unit, Department of Biochemistry, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Chulalongkorn University, Bangkok, Thailand
| | - Wicharn Yingsakmongkol
- Department of Orthopaedics, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Chulalongkorn University, Bangkok, Thailand
| | - Worawat Limthongkul
- Department of Orthopaedics, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Chulalongkorn University, Bangkok, Thailand
| | - Weerasak Singhatanadgige
- Department of Orthopaedics, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Chulalongkorn University, Bangkok, Thailand
| | - Sittisak Honsawek
- Osteoarthritis and Musculoskeleton Research Unit, Department of Biochemistry, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Chulalongkorn University, Bangkok, Thailand
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Lee HT, Wu TH, Lin CS, Lee CS, Wei YH, Tsai CY, Chang DM. The pathogenesis of systemic lupus erythematosus - From the viewpoint of oxidative stress and mitochondrial dysfunction. Mitochondrion 2016; 30:1-7. [DOI: 10.1016/j.mito.2016.05.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2015] [Revised: 05/18/2016] [Accepted: 05/20/2016] [Indexed: 01/26/2023]
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Role of Mitochondrial DNA Copy Number Alteration in Human Renal Cell Carcinoma. Int J Mol Sci 2016; 17:ijms17060814. [PMID: 27231905 PMCID: PMC4926348 DOI: 10.3390/ijms17060814] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Revised: 05/09/2016] [Accepted: 05/10/2016] [Indexed: 12/19/2022] Open
Abstract
We investigated the role of mitochondrial DNA (mtDNA) copy number alteration in human renal cell carcinoma (RCC). The mtDNA copy numbers of paired cancer and non-cancer parts from five resected RCC kidneys after radical nephrectomy were determined by quantitative polymerase chain reaction (Q-PCR). An RCC cell line, 786-O, was infected by lentiviral particles to knock down mitochondrial transcriptional factor A (TFAM). Null target (NT) and TFAM-knockdown (TFAM-KD) represented the control and knockdown 786-O clones, respectively. Protein or mRNA expression levels of TFAM; mtDNA-encoded NADH dehydrogenase subunit 1 (ND1), ND6 and cytochrome c oxidase subunit 2 (COX-2); nuclear DNA (nDNA)-encoded succinate dehydrogenase subunit A (SDHA); v-akt murine thymoma viral oncogene homolog 1 gene (AKT)-encoded AKT and v-myc myelocytomatosis viral oncogene homolog gene (c-MYC)-encoded MYC; glycolytic enzymes including hexokinase II (HK-II), glucose 6-phosphate isomerase (GPI), phosphofructokinase (PFK), and lactate dehydrogenase subunit A (LDHA); and hypoxia-inducible factors the HIF-1α and HIF-2α, pyruvate dehydrogenase kinase 1 (PDK1), and pyruvate dehydrogenase E1 component α subunit (PDHA1) were analyzed by Western blot or Q-PCR. Bioenergetic parameters of cellular metabolism, basal mitochondrial oxygen consumption rate (mOCRB) and basal extracellular acidification rate (ECARB), were measured by a Seahorse XFe-24 analyzer. Cell invasiveness was evaluated by a trans-well migration assay and vimentin expression. Doxorubicin was used as a chemotherapeutic agent. The results showed a decrease of mtDNA copy numbers in resected RCC tissues (p = 0.043). The TFAM-KD clone expressed lower mtDNA copy number (p = 0.034), lower mRNA levels of TFAM (p = 0.008), ND1 (p = 0.007), and ND6 (p = 0.017), and lower protein levels of TFAM and COX-2 than did the NT clone. By contrast, the protein levels of HIF-2α, HK-II, PFK, LDHA, AKT, MYC and vimentin; trans-well migration activity (p = 0.007); and drug resistance to doxorubicin (p = 0.008) of the TFAM-KD clone were significantly higher than those of the NT clone. Bioenergetically, the TFAM-KD clone expressed lower mOCRB (p = 0.009) but higher ECARB (p = 0.037) than did the NT clone. We conclude that a reduction of mtDNA copy number and decrease of respiratory function of mitochondria in RCC might be compensated for by an increase of enzymes and factors that are involved in the upregulation of glycolysis to confer RCC more invasive and a drug-resistant phenotype in vitro.
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Abstract
This study aimed to evaluate the effect of organic/conventional coffee in liver tissues in the cancer process, taking into account the level and activities of catalase. The experiments were carried out with 8 groups of rats during 12 weeks. They received two injections of ethylenediaminetetraacetic acid solution 1.5% (v/v) prepared in 0.9% NaCl or 1,2-dimethylhydrazine (DMH) subcutaneous dose of 40 mg·kg−1·bw−1for 2 weeks. The organic/conventional coffee infusions were at 5, 10, and 20% and were incorporated to feed (100 mL of infusion·kg−1of diet). The catalase activity showed a decrease for livers which received DMH and DMH plus organic coffee at 5% and 10%. However, an increase was observed for those receiving organic 20% and conventional 10% coffee, slowing down and favoring the reversibility of the carcinogenic process. By SDS-PAGE, we observed an intensity decrease of 59 kDa bands, as the percentage of coffee was increased. The iron concentration (by ET-AAS) confirmed the electrophoretic results, suggesting that the DMH influenced the catalase expression conditions, reducing the activity by the loss of iron ions. Thus, the coffee may restore the catalase system in the liver, exerting its chemopreventive effects.
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Vinothkumar R, Vinoth Kumar R, Karthikkumar V, Viswanathan P, Kabalimoorthy J, Nalini N. Oral supplementation with troxerutin (trihydroxyethylrutin), modulates lipid peroxidation and antioxidant status in 1,2-dimethylhydrazine-induced rat colon carcinogenesis. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2014; 37:174-184. [PMID: 24355798 DOI: 10.1016/j.etap.2013.11.022] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Revised: 10/09/2013] [Accepted: 11/22/2013] [Indexed: 06/03/2023]
Abstract
The present study was aimed to investigate the chemopreventive potential of troxerutin on 1,2-dimethylhydrazine (DMH) induced rat colon carcinogenesis by evaluating the antioxidant and lipid peroxidation (LPO) status. Rats were randomly divided into six groups. Group I rats served as control. Group II rats received troxerutin (50 mg/kgb.w., p.o.) for 16 weeks. Groups III-VI rats received subcutaneous injections of DMH (20 mg/kgb.w., s.c.) once a week, for the first 4 weeks. In addition to DMH, groups IV-VI rats received troxerutin at the doses of 12.5, 25 and 50 mg/kgb.w., respectively. In DMH treated rats, our results showed decreased activities of antioxidants and increased levels of LPO in the liver. Moreover, LPO and antioxidants in the colon were found to be significantly diminished in DMH the treated rats. Furthermore, enhanced activity of colonic vitamin C and vitamin E levels were observed in DMH alone treated rats (group III), which was significantly reversed on troxerutin supplementation. Troxerutin at the dose of 25 mg/kgb.w. had shown profound beneficial effects by exhibiting near normal biochemical profile and well-preserved colon histology as compared to the other two tested doses (12.5 and 50 mg/kgb.w.). These findings suggest that troxerutin could serve as a novel agent for colon cancer chemoprevention.
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Affiliation(s)
- R Vinothkumar
- Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalainagar 608 002, Tamil Nadu, India
| | - R Vinoth Kumar
- Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalainagar 608 002, Tamil Nadu, India
| | - V Karthikkumar
- Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalainagar 608 002, Tamil Nadu, India
| | - P Viswanathan
- Department of Pathology, Rajah Muthiah Medical College, Annamalai University, Annamalainagar 608 002, Tamil Nadu, India
| | - J Kabalimoorthy
- Department of Surgery, Rajah Muthiah Medical College, Annamalai University, Annamalainagar 608 002, Tamil Nadu, India
| | - N Nalini
- Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalainagar 608 002, Tamil Nadu, India.
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Hattiwale SH, Saha S, Yendigeri SM, Jargar JG, Dhundasi SA, Das KK. Protective effect of L-ascorbic acid on nickel induced pulmonary nitrosative stress in male albino rats. Biometals 2013; 26:329-36. [PMID: 23463385 DOI: 10.1007/s10534-013-9617-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2012] [Accepted: 02/24/2013] [Indexed: 12/23/2022]
Abstract
Nickel sulfate stimulates inducible nitric oxide synthase (i-NOS) and increases serum nitric oxide concentration by overproduction of reactive nitrogen species due to nitrosative stress. The present study was undertaken to assess possible protective role of L-ascorbic acid as an antioxidant against nickel induced pulmonary nitrosative stress in male albino rats. We studied the effect of the simultaneous treatment with L-ascorbic acid (50 mg/100 g b. wt.; orally) and nickel sulfate (2.0 mg/100 g b. wt.; i.p.) on nitric oxide synthesis by quantitative evaluation of serum i-NOS activities, serum and lung nitric oxide, L-ascorbic acid and protein concentrations of Wistar strain male albino rats. We have further studied histopathological changes in lung tissue after nickel sulfate treatment along with simultaneous exposure of L-ascorbic acid. Nickel sulfate treatment significantly increased the serum i-NOS activity, serum and pulmonary nitric oxide concentration and decreased body weight, pulmonary somatic index, serum and lung L-ascorbic acid and protein concentration as compared to their respective controls. Histopathological changes induced by nickel sulfate showed loss of normal alveolar architecture, inflammation of bronchioles, infiltration of inflammatory cells and patchy congestion of alveolar blood vessels. The simultaneous administration of L-ascorbic acid and nickel sulfate significantly improved all the above biochemical parameters along with histopathology of lung tissues of rats receiving nickel sulfate alone. The study clearly showed a protective role of L-ascorbic acid against nickel induced nitrosative stress in lung tissues.
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Affiliation(s)
- Shaheenkousar H Hattiwale
- Environmental Health Research Unit, Department of Physiology, Al Ameen Medical College, Bijapur, 586108, Karnataka, India
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Yang F, Chen WD, Deng R, Zhang H, Tang J, Wu KW, Li DD, Feng GK, Lan WJ, Li HJ, Zhu XF. Hirsutanol A, a novel sesquiterpene compound from fungus Chondrostereum sp., induces apoptosis and inhibits tumor growth through mitochondrial-independent ROS production: hirsutanol A inhibits tumor growth through ROS production. J Transl Med 2013; 11:32. [PMID: 23394457 PMCID: PMC3637523 DOI: 10.1186/1479-5876-11-32] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Accepted: 01/21/2013] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Hirsutanol A is a novel sesquiterpene compound purified from fungus Chondrostereum sp. in Sarcophyton tortuosum. Our previous studies had demonstrated that hirsutanol A exhibited potent cytotoxic effect on many kinds of cancer cell lines. In the current study, the antitumor activity of hirsutanol A and its molecular mechanisms were investigated. METHODS Hirsutanol A induced growth inhibition and apoptotic cell death of human colon cancer SW620 cells and human breast cancer MDA-MB-231cells were determined using MTT assay and flow cytometry assay, respectively. The effect of hirsutanol A on intrinsic ROS level and change in mitochondrial membrane potential (△ψm) of different cell lines were also measured by flow cytometry assay. The function of JNK was compromised by JNK siRNA or JNK inhibitor SP600125. The expression of cytochrome c, p-JNK, p-c-Jun after treatment with hirsutanol A were detected by Western blot analysis. Finally, the in vivo anti-tumor effect of hirsutanol A was examined in human cancer cell SW620 xenograft model. RESULTS The results showed that hirsutanol A significantly induced apoptosis, mitochondrial-independent increase of Reactive Oxygen Species (ROS) level, change of mitochondrial membrane potential, release of cytochrome c in human cancer cells. Preventing increase of ROS level using the potent antioxidant N-acetyl-L-cysteine (NAC) markedly decreased hirsutanol A-induced apoptosis. In addition, JNK signaling pathway was activated by hirsutanol A through elevating ROS level. Blockade of JNK signaling pathway by JNK specific inhibitor SP600125 enhanced apoptosis and hirsutanol A-induced ROS accumulation. Also, hirsutanol A exhibited antitumor activity in human cancer cell SW620 xenograft model. CONCLUSION These data suggested that hirsutanol A inhibited tumor growth through triggering ROS production and apoptosis.
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Affiliation(s)
- Fen Yang
- State Key Laboratory of Oncology in South China, Cancer Center, Sun Yat-Sen University, 651 Dongfeng Road East, Guangzhou 510060, China
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Oxidative damage and carcinogenesis. Contemp Oncol (Pozn) 2012; 16:230-3. [PMID: 23788885 PMCID: PMC3687415 DOI: 10.5114/wo.2012.29290] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2010] [Revised: 07/29/2011] [Accepted: 08/09/2011] [Indexed: 12/13/2022] Open
Abstract
Oxygen is an essential element to conduct life processes but some of the metabolic byproducts e.g. reactive oxygen species (ROS), are toxic for living organisms. Endogenous ROS are produced e.g. reduction of dioxygen; some exogenous sources of radicals also exist, including nicotine and ionizing radiation. Reactive oxygen species include superoxide anion, hydroxyl radical, singlet oxygen, hydrogen peroxide and hypochlorous acid. Carcinogenesis is a multistep process. The exact reasons for the development of cancer are still unknown. Many factors contribute to the development of carcinogenesis, one of which is oxidative stress. Oxidative stress is defined as an imbalance between oxidizing agents (pro-oxidants) and antioxidants, agents that protect biomolecules against injury by pro-oxidants. When reactive oxygen species are overproduced it can damage nucleic acids, proteins and lipids. ROS are considered as a significant class of carcinogens participating in cancer initiation, promotion and progression.
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Zinkevich NS, Gutterman DD. ROS-induced ROS release in vascular biology: redox-redox signaling. Am J Physiol Heart Circ Physiol 2011; 301:H647-53. [PMID: 21685266 DOI: 10.1152/ajpheart.01271.2010] [Citation(s) in RCA: 128] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The involvement of reactive oxygen species (ROS) in regulating vascular function both in normal vessels and as part of an adaptive response during disease has been intensively studied. From the recognition that ROS serve as important signaling molecules has emerged multiple lines of evidence that there is a functional connectivity between intracellular sites of ROS production. This cross talk has been termed ROS-induced ROS release (RIRR) and is supported by a variety of observations showing that RIRR is a common mechanism for ROS amplification and regional ROS generation. The compartmentalization of ROS production within a cell is critical to its signaling function and is facilitated by microlocalization of specific scavengers. This review will provide descriptions and examples of important mechanisms of RIRR.
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Affiliation(s)
- Natalya S Zinkevich
- Cardiovascular Center, Department of Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
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Mannello F, Tonti GA, Pederzoli A, Simone P, Smaniotto A, Medda V. Detection of Superoxide Dismutase-1 in Nipple Aspirate Fluids: A Reactive Oxygen Species—Regulating Enzyme in the Breast Cancer Microenvironment. Clin Breast Cancer 2010; 10:238-245. [DOI: 10.3816/cbc.2010.n.032] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
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Endogenous antioxidants and radical scavengers. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2010; 698:52-67. [PMID: 21520703 DOI: 10.1007/978-1-4419-7347-4_5] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
All living organisms are constantly exposed to oxidant agents deriving from both endogenous and exogenous sources capable to modify biomolecules and induce damages. Free radicals generated by oxidative stress exert an important role in the development of tissue damage and aging. Reactive species (RS) derived from oxygen (ROS) and nitrogen (RNS) pertain to free radicals family and are constituted by various forms of activated oxygen or nitrogen. RS are continuosly produced during normal physiological events but can be removed by antioxidant defence mechanism: the imbalance between RS and antioxidant defence mechanism leads to modifications in cellular membrane or intracellular molecules. In this chapter only endogenous antioxidant molecules will be critically discussed, such as Glutathione, Alpha-lipoic acid, Coenzyme Q, Ferritin, Uric acid, Bilirubin, Metallothioneine, L-carnitine and Melatonin.
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Seppet E, Gruno M, Peetsalu A, Gizatullina Z, Nguyen HP, Vielhaber S, Wussling MH, Trumbeckaite S, Arandarcikaite O, Jerzembeck D, Sonnabend M, Jegorov K, Zierz S, Striggow F, Gellerich FN. Mitochondria and energetic depression in cell pathophysiology. Int J Mol Sci 2009; 10:2252-2303. [PMID: 19564950 PMCID: PMC2695278 DOI: 10.3390/ijms10052252] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2009] [Revised: 04/25/2009] [Accepted: 05/14/2009] [Indexed: 12/21/2022] Open
Abstract
Mitochondrial dysfunction is a hallmark of almost all diseases. Acquired or inherited mutations of the mitochondrial genome DNA may give rise to mitochondrial diseases. Another class of disorders, in which mitochondrial impairments are initiated by extramitochondrial factors, includes neurodegenerative diseases and syndromes resulting from typical pathological processes, such as hypoxia/ischemia, inflammation, intoxications, and carcinogenesis. Both classes of diseases lead to cellular energetic depression (CED), which is characterized by decreased cytosolic phosphorylation potential that suppresses the cell's ability to do work and control the intracellular Ca(2+) homeostasis and its redox state. If progressing, CED leads to cell death, whose type is linked to the functional status of the mitochondria. In the case of limited deterioration, when some amounts of ATP can still be generated due to oxidative phosphorylation (OXPHOS), mitochondria launch the apoptotic cell death program by release of cytochrome c. Following pronounced CED, cytoplasmic ATP levels fall below the thresholds required for processing the ATP-dependent apoptotic cascade and the cell dies from necrosis. Both types of death can be grouped together as a mitochondrial cell death (MCD). However, there exist multiple adaptive reactions aimed at protecting cells against CED. In this context, a metabolic shift characterized by suppression of OXPHOS combined with activation of aerobic glycolysis as the main pathway for ATP synthesis (Warburg effect) is of central importance. Whereas this type of adaptation is sufficiently effective to avoid CED and to control the cellular redox state, thereby ensuring the cell survival, it also favors the avoidance of apoptotic cell death. This scenario may underlie uncontrolled cellular proliferation and growth, eventually resulting in carcinogenesis.
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Affiliation(s)
- Enn Seppet
- Department of Pathophysiology, University of Tartu, Tartu, Estonia; E-Mail:
(M.G.)
| | - Marju Gruno
- Department of Pathophysiology, University of Tartu, Tartu, Estonia; E-Mail:
(M.G.)
| | - Ants Peetsalu
- Department of Surgery, University of Tartu, Tartu, Estonia; E-Mail:
(A.P.)
| | - Zemfira Gizatullina
- KeyNeurotek AG, ZENIT-Technology Park Magdeburg, Magdeburg, Germany; E-Mails:
(Z.G.);
(D.J.);
(M.S.);
(K.J.);
(F.S.);
(F.N.G.)
| | - Huu Phuc Nguyen
- Department of Medical Genetics, University of Tübingen, Tübingen, Germany; E-Mail:
(H.P.N.)
| | - Stefan Vielhaber
- Department of Neurology, Otto von Guericke University, Magdeburg, Germany; E-Mail:
(S.V.)
| | - Manfred H.P. Wussling
- Bernstein Institute for Physiology, Martin-Luther-University Halle-Wittenberg, Germany; E-Mail:
(M.H.P.W.)
| | - Sonata Trumbeckaite
- Institute for Biomedical Research, Kaunas University of Medicine, Kaunas, Lithuania; E-Mails:
(S.T.);
(O.A.)
| | - Odeta Arandarcikaite
- Institute for Biomedical Research, Kaunas University of Medicine, Kaunas, Lithuania; E-Mails:
(S.T.);
(O.A.)
| | - Doreen Jerzembeck
- KeyNeurotek AG, ZENIT-Technology Park Magdeburg, Magdeburg, Germany; E-Mails:
(Z.G.);
(D.J.);
(M.S.);
(K.J.);
(F.S.);
(F.N.G.)
| | - Maria Sonnabend
- KeyNeurotek AG, ZENIT-Technology Park Magdeburg, Magdeburg, Germany; E-Mails:
(Z.G.);
(D.J.);
(M.S.);
(K.J.);
(F.S.);
(F.N.G.)
| | - Katharina Jegorov
- KeyNeurotek AG, ZENIT-Technology Park Magdeburg, Magdeburg, Germany; E-Mails:
(Z.G.);
(D.J.);
(M.S.);
(K.J.);
(F.S.);
(F.N.G.)
| | - Stephan Zierz
- Department of Neurology, Martin-Luther-University Halle-Wittenberg, Germany; E-Mail:
(S.Z.)
| | - Frank Striggow
- KeyNeurotek AG, ZENIT-Technology Park Magdeburg, Magdeburg, Germany; E-Mails:
(Z.G.);
(D.J.);
(M.S.);
(K.J.);
(F.S.);
(F.N.G.)
| | - Frank N. Gellerich
- KeyNeurotek AG, ZENIT-Technology Park Magdeburg, Magdeburg, Germany; E-Mails:
(Z.G.);
(D.J.);
(M.S.);
(K.J.);
(F.S.);
(F.N.G.)
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Brown CH, Baidas SM, Hajdenberg JJ, Kayaleh OR, Pennock GK, Shah NC, Tseng JE. Lifestyle Interventions in the Prevention and Treatment of Cancer. Am J Lifestyle Med 2009. [DOI: 10.1177/1559827609334983] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Despite evidence that cancer death rates in the United States are declining, the absolute number of new cancers and cancer deaths continues to increase, and there is clear evidence that certain human behaviors are influencing these increases. The 4 major factors of lifestyle that continue to be causally related to certain cancers—tobacco use, an unhealthy diet, inadequate exercise, and excessive exposure to ultraviolet radiation—are each independently important in their effects on the genetic and molecular processes that result in the malignant transformation of human cells. There is both irrefutable and otherwise strong evidence that 4 common cancers that occur in the United States—lung cancer, colon/rectal cancer, breast cancer, and prostate cancer—and a less common cancer, malignant melanoma, have etiologic factors that are lifestyle based and therefore controllable through alterations in human behavior. These cancers and the evidence that lifestyle is important in the causation and/or prevention of the disease are the subjects of this review.
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Affiliation(s)
- Clarence H. Brown
- Administration, M. D. Anderson Cancer Center Orlando, Orlando, Florida,
| | - Said M. Baidas
- Department of Medical Oncology, Specialty Sections of Breast Cancer, M. D. Anderson Cancer Center Orlando, Orlando, Florida
| | - Julio J. Hajdenberg
- Genitourinary Cancer, M. D. Anderson Cancer Center Orlando, Orlando, Florida
| | - Omar R. Kayaleh
- Gastrointestinal Cancer, M. D. Anderson Cancer Center Orlando, Orlando, Florida, Melanoma/Sarcoma, M. D. Anderson Cancer Center Orlando, Orlando, Florida
| | | | - Nikita C. Shah
- Department of Medical Oncology, Specialty Sections of Breast Cancer
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15
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Sangeetha N, Aranganathan S, Nalini N. Silibinin ameliorates oxidative stress induced aberrant crypt foci and lipid peroxidation in 1, 2 dimethylhydrazine induced rat colon cancer. Invest New Drugs 2009; 28:225-33. [DOI: 10.1007/s10637-009-9237-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2008] [Accepted: 02/23/2009] [Indexed: 12/01/2022]
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16
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Oliveira CR, Barbosa CM, Nascimento FD, Lanetzki CS, Meneghin MB, Pereira FE, Paredes-Gamero EJ, Ferreira AT, Rodrigues T, Queiroz ML, Caires AC, Tersariol IL, Bincoletto C. Pre-clinical antitumour evaluation of Biphosphinic Palladacycle Complex in human leukaemia cells. Chem Biol Interact 2009; 177:181-9. [DOI: 10.1016/j.cbi.2008.10.034] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2008] [Revised: 10/17/2008] [Accepted: 10/20/2008] [Indexed: 10/21/2022]
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17
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Magwere T, Myatt SS, Burchill SA. Manipulation of oxidative stress to induce cell death in Ewing’s sarcoma family of tumours. Eur J Cancer 2008; 44:2276-87. [DOI: 10.1016/j.ejca.2008.06.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2008] [Revised: 05/22/2008] [Accepted: 06/13/2008] [Indexed: 10/21/2022]
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18
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Lin CS, Wang LS, Tsai CM, Wei YH. Low copy number and low oxidative damage of mitochondrial DNA are associated with tumor progression in lung cancer tissues after neoadjuvant chemotherapy. Interact Cardiovasc Thorac Surg 2008; 7:954-8. [PMID: 18685121 DOI: 10.1510/icvts.2008.177006] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
The decrease in the copy number of mitochondrial DNA (mtDNA) in cancer tissues might be associated with a decrease in oxidative mtDNA damage to achieve cancer immortalization and progression. Lung cancer specimens were collected from 29 patients with stage III non-small cell lung cancer (NSCLC) after neoadjuvant chemotherapy followed by surgical resection. The relative mtDNA copy number and the oxidative mtDNA damage (formation of 8-OHdG in mtDNA) of each cancer tissue were measured by quantitative real-time PCR. Seven female and 22 male lung cancer patients, with a mean age of 63.5 years were evaluated. Tumors of five patients became progressive, 13 stable, and 11 partially responsive after preoperative chemotherapy. Low mtDNA copy number (P=0.089) and low degree of oxidative mtDNA damage (P=0.036) were found to associate with tumor progression. Moreover, mtDNA copy number was significantly related to the degree of oxidative mtDNA damage (P=0.031). The mtDNA copy number and oxidative mtDNA damage were lower in advanced NSCLC after chemotherapy. This finding suggests that a decrease in the content of mtDNA may result in a decrease of mitochondrial density in cancer cells, which leads to a decrease of endogenous ROS production and reduction of ROS-triggered DNA damage to achieve immortalization.
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Affiliation(s)
- Chen-Sung Lin
- Institute of Clinical Medicine, National Yang-Ming University, Taipei 112, Taiwan
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