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Berrell N, Sadeghirad H, Blick T, Bidgood C, Leggatt GR, O'Byrne K, Kulasinghe A. Metabolomics at the tumor microenvironment interface: Decoding cellular conversations. Med Res Rev 2024; 44:1121-1146. [PMID: 38146814 DOI: 10.1002/med.22010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 11/08/2023] [Accepted: 12/07/2023] [Indexed: 12/27/2023]
Abstract
Cancer heterogeneity remains a significant challenge for effective cancer treatments. Altered energetics is one of the hallmarks of cancer and influences tumor growth and drug resistance. Studies have shown that heterogeneity exists within the metabolic profile of tumors, and personalized-combination therapy with relevant metabolic interventions could improve patient response. Metabolomic studies are identifying novel biomarkers and therapeutic targets that have improved treatment response. The spatial location of elements in the tumor microenvironment are becoming increasingly important for understanding disease progression. The evolution of spatial metabolomics analysis now allows scientists to deeply understand how metabolite distribution contributes to cancer biology. Recently, these techniques have spatially resolved metabolite distribution to a subcellular level. It has been proposed that metabolite mapping could improve patient outcomes by improving precision medicine, enabling earlier diagnosis and intraoperatively identifying tumor margins. This review will discuss how altered metabolic pathways contribute to cancer progression and drug resistance and will explore the current capabilities of spatial metabolomics technologies and how these could be integrated into clinical practice to improve patient outcomes.
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Affiliation(s)
- Naomi Berrell
- Frazer Institute, Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia
| | - Habib Sadeghirad
- Frazer Institute, Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia
| | - Tony Blick
- Frazer Institute, Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia
| | - Charles Bidgood
- APCRC-Q, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Graham R Leggatt
- Frazer Institute, Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia
| | - Ken O'Byrne
- Princess Alexandra Hospital, Woolloongabba, Queensland, Australia
| | - Arutha Kulasinghe
- Frazer Institute, Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia
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2
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Arangia A, Ragno A, Cordaro M, D’Amico R, Siracusa R, Fusco R, Marino Merlo F, Smeriglio A, Impellizzeri D, Cuzzocrea S, Mandalari G, Di Paola R. Antioxidant Activity of a Sicilian Almond Skin Extract Using In Vitro and In Vivo Models. Int J Mol Sci 2023; 24:12115. [PMID: 37569490 PMCID: PMC10418603 DOI: 10.3390/ijms241512115] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 07/21/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023] Open
Abstract
Almond skins are known for their antioxidative and anti-inflammatory properties, which are mainly due to the presence of polyphenols. The aim of the present study was to evaluate the antioxidant and anti-inflammatory effects of almond skin extract (ASE) obtained from the Sicilian cultivar "Fascionello" and to evaluate the possible mechanisms of action using an in vitro model of human monocytic U937 cells as well as an in vivo model of carrageenan (CAR)-induced paw edema. The in vitro studies demonstrated that pretreatment with ASE inhibited the formation of ROS and apoptosis. The in vivo studies showed that ASE restored the CAR-induced tissue changes; restored the activity of endogenous antioxidant enzymes, such as superoxide dismutase, catalase, and glutathione; and decreased neutrophil infiltration, lipid peroxidation, and the release of proinflammatory mediators. The anti-inflammatory and antioxidant effects of ASE could be associated with the inhibition of the pro-inflammatory nuclear NF-κB and the activation of the nuclear factor-erythroid 2-related factor 2 (Nrf2) antioxidant pathways. In conclusion, almond skin could reduce the levels of inflammation and oxidative stress and could be beneficial in the treatment of several disorders.
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Affiliation(s)
- Alessia Arangia
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (A.A.)
| | - Agnese Ragno
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (A.A.)
| | - Marika Cordaro
- Department of Biomedical, Dental, Morphological and Functional Imaging, University of Messina, 98125 Messina, Italy
| | - Ramona D’Amico
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (A.A.)
| | - Rosalba Siracusa
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (A.A.)
| | - Roberta Fusco
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (A.A.)
| | - Francesca Marino Merlo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (A.A.)
| | - Antonella Smeriglio
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (A.A.)
| | - Daniela Impellizzeri
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (A.A.)
| | - Salvatore Cuzzocrea
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (A.A.)
- Department of Pharmacological and Physiological Science, Saint Louis University School of Medicine, Saint Louis, MO 63104, USA
| | - Giuseppina Mandalari
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (A.A.)
| | - Rosanna Di Paola
- Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy
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3
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Chen M, Wan Y, Li X, Xiang J, Chen X, Jiang J, Han X, Zhong L, Xiao F, Liu J, Huang H, Li H, Liu J, Hou J. Dynamic single-cell RNA-seq analysis reveals distinct tumor program associated with microenvironmental remodeling and drug sensitivity in multiple myeloma. Cell Biosci 2023; 13:19. [PMID: 36717896 PMCID: PMC9887807 DOI: 10.1186/s13578-023-00971-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 01/25/2023] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Multiple myeloma (MM) is a hematological malignancy characterized by clonal proliferation of malignant plasma cells. Despite extensive research, molecular mechanisms in MM that drive drug sensitivity and clinic outcome remain elusive. RESULTS Single-cell RNA sequencing was applied to study tumor heterogeneity and molecular dynamics in 10 MM individuals before and after 2 cycles of bortezomib-cyclophosphamide-dexamethasone (VCD) treatment, with 3 healthy volunteers as controls. We identified that unfolded protein response and metabolic-related program were decreased, whereas stress-associated and immune reactive programs were increased after 2 cycles of VCD treatment. Interestingly, low expression of the immune reactive program by tumor cells was associated with unfavorable drug response and poor survival in MM, which probably due to downregulation of MHC class I mediated antigen presentation and immune surveillance, and upregulation of markers related to immune escape. Furthermore, combined with immune cells profiling, we uncovered a link between tumor intrinsic immune reactive program and immunosuppressive phenotype in microenvironment, evidenced by exhausted states and expression of checkpoint molecules and suppressive genes in T cells, NK cells and monocytes. Notably, expression of YBX1 was associated with downregulation of immune activation signaling in myeloma and reduced immune cells infiltration, thereby contributed to poor prognosis. CONCLUSIONS We dissected the tumor and immune reprogramming in MM during targeted therapy at the single-cell resolution, and identified a tumor program that integrated tumoral signaling and changes in immune microenvironment, which provided insights into understanding drug sensitivity in MM.
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Affiliation(s)
- Mengping Chen
- grid.16821.3c0000 0004 0368 8293Department of Hematology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127 China
| | - Yike Wan
- grid.16821.3c0000 0004 0368 8293Department of Hematology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127 China
| | - Xin Li
- grid.16821.3c0000 0004 0368 8293Department of Hematology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127 China
| | - Jing Xiang
- grid.16821.3c0000 0004 0368 8293Department of Hematology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127 China
| | - Xiaotong Chen
- grid.16821.3c0000 0004 0368 8293Department of Hematology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127 China
| | - Jinxing Jiang
- grid.16821.3c0000 0004 0368 8293Department of Hematology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127 China
| | - Xiaofeng Han
- grid.16821.3c0000 0004 0368 8293Department of Hematology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127 China
| | - Lu Zhong
- grid.16821.3c0000 0004 0368 8293Department of Hematology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127 China
| | - Fei Xiao
- grid.16821.3c0000 0004 0368 8293Department of Hematology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127 China
| | - Jia Liu
- grid.16821.3c0000 0004 0368 8293Department of Hematology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127 China
| | - Honghui Huang
- grid.16821.3c0000 0004 0368 8293Department of Hematology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127 China
| | - Hua Li
- grid.16821.3c0000 0004 0368 8293Bio-ID Center, Shanghai Jiao Tong University School of Biomedical Engineering, Shanghai, 200240 China
| | - Junling Liu
- grid.16821.3c0000 0004 0368 8293Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025 China
| | - Jian Hou
- grid.16821.3c0000 0004 0368 8293Department of Hematology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127 China
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4
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Fadia B, Mokhtari-Soulimane N, Meriem B, Wacila N, Zouleykha B, Karima R, Soulimane T, Tofail SAM, Townley H, Thorat ND. Histological Injury to Rat Brain, Liver, and Kidneys by Gold Nanoparticles is Dose-Dependent. ACS OMEGA 2022; 7:20656-20665. [PMID: 35755394 PMCID: PMC9219072 DOI: 10.1021/acsomega.2c00727] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 05/24/2022] [Indexed: 06/15/2023]
Abstract
Gold nanoparticles (GNPs) possess various interesting plasmonic properties that can provide a variety of diagnostic and therapeutic functionalities for biomedical applications. Compared to other inorganic metal nanoparticles (NPs), GNPs are less toxic and more biocompatible. However, the in vivo toxicity of gold nanoparticles on humans can be significant due to the size effect. This work aims to study the effect of multiple doses of small-size (≈20 nm) GNPs on the vital organs of Wistar rats. The study includes the oxidative stress in vital organs (liver, brain, and kidney) caused by GNPs and histopathology analysis. The rats were given a single caudal injection of NPs dispersed in PBS at 25, 50, 100, and 250 mg/kg of body weight. After sacrifice, both plasma and organs were collected for the determination of oxidant/antioxidant markers and histological studies. Our data show the high sensitivity of oxidative stress parameters to the GNPs in the brain, liver, and kidneys. However, the response to this stress is different between the organs and depends upon the antioxidant defense, where GSH levels control the MDA and PCO levels. Histological alterations are mild at 25, 50, and 100 mg/kg but significant at higher concentrations of 250 mg/kg. Therefore, histological impairments are shown to be dependent on the dose of GNPs. The results contribute to the understanding of oxidative stress and cellular interaction induced by nanoparticles.
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Affiliation(s)
- Bekhti
Sari Fadia
- Laboratory
of Physiology, Pathophysiology and Biochemistry of Nutrition, Department
of Biology, Faculty of Natural and Life Sciences, Earth and Universe, University of Tlemcen, Tlemcen 13000, Algeria
| | - Nassima Mokhtari-Soulimane
- Laboratory
of Physiology, Pathophysiology and Biochemistry of Nutrition, Department
of Biology, Faculty of Natural and Life Sciences, Earth and Universe, University of Tlemcen, Tlemcen 13000, Algeria
| | - Bensalah Meriem
- Laboratory
of Physiology, Pathophysiology and Biochemistry of Nutrition, Department
of Biology, Faculty of Natural and Life Sciences, Earth and Universe, University of Tlemcen, Tlemcen 13000, Algeria
| | - Nacer Wacila
- Laboratory
of Physiology, Pathophysiology and Biochemistry of Nutrition, Department
of Biology, Faculty of Natural and Life Sciences, Earth and Universe, University of Tlemcen, Tlemcen 13000, Algeria
| | - Badi Zouleykha
- Laboratory
of Physiology, Pathophysiology and Biochemistry of Nutrition, Department
of Biology, Faculty of Natural and Life Sciences, Earth and Universe, University of Tlemcen, Tlemcen 13000, Algeria
| | - Rouigueb Karima
- Laboratory
of Physiology, Pathophysiology and Biochemistry of Nutrition, Department
of Biology, Faculty of Natural and Life Sciences, Earth and Universe, University of Tlemcen, Tlemcen 13000, Algeria
| | - Tewfik Soulimane
- Modelling
Simulation and Innovative Characterisation (MOSAIC), Department of
Chemical Engineering, and Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland
| | - Syed A. M. Tofail
- Modelling
Simulation and Innovative Characterisation (MOSAIC), Department of
Physics, School of Natural Sciences and Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland
| | - Helen Townley
- Nuffield
Department of Women’s & Reproductive Health, John Radcliffe
Hospital, Medical Sciences Division, University
of Oxford, Oxford OX3 9DU, U.K.
| | - Nanasaheb D. Thorat
- Nuffield
Department of Women’s & Reproductive Health, John Radcliffe
Hospital, Medical Sciences Division, University
of Oxford, Oxford OX3 9DU, U.K.
- Faculty
of Engineering and Sciences, MIT Art, Design
and Technology University, Pune 412201, Maharashtra, India
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Nauclea orientalis (L.) Bark Extract Protects Rat Cardiomyocytes from Doxorubicin-Induced Oxidative Stress, Inflammation, Apoptosis, and DNA Fragmentation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:1714841. [PMID: 35198093 PMCID: PMC8860544 DOI: 10.1155/2022/1714841] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 01/22/2022] [Accepted: 01/27/2022] [Indexed: 12/12/2022]
Abstract
The therapeutic efficacy of anthracycline antibiotic, doxorubicin (Dox), is hampered due to the dose-dependent cardiotoxicity. The objective of the study was to explore the counteraction of aqueous bark extract of Nauclea orientalis in Dox-induced cardiotoxicity in Wistar rats. The acute and subchronic toxicity study performed with 2.0 g/kg of the plant extract revealed biochemical and haematological parameters to be within the physiological range, and no histological alterations were observed in any organs isolated. Screening of plant extract for the protection of the myocardium from Dox-induced oxidative stress, inflammation, and apoptosis was performed on five groups of rats: control, plant extract control, Dox control (distilled water (D.H2O) 2 weeks + on the 11th day single injection of Dox, 18 mg/kg), plant + Dox (2.0 g/kg plant extract 2 weeks + on the 11th day Dox, 18 mg/kg), and positive control, dexrazoxane. A significant increase in cardiac biomarkers and lipid peroxidation (p < 0.001) and a significant decrease in antioxidant parameters (p < 0.001) were observed in the Dox control group. All these parameters were reversed significantly (p < 0.05) in the plant-pretreated group. The histopathological assessment of myocardial damage provided supportive evidence for the biochemical results obtained. Inflammatory markers, myeloperoxidase, expression of TNFα and caspase-3, and DNA fragmentation (TUNEL positive nuclei) were significantly elevated (p < 0.05), and expression of Bcl-2 was significantly decreased (p < 0.05) in the Dox control; however, all these parameters were significantly reversed in the plant extract-treated group. In conclusion, the aqueous bark extract of Nauclea orientalis (2.0 g/kg) has the ability to attenuate the Dox-induced oxidative stress, inflammation, apoptosis, and DNA fragmentation in Wistar rats.
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Sandouka S, Shekh-Ahmad T. Induction of the Nrf2 Pathway by Sulforaphane Is Neuroprotective in a Rat Temporal Lobe Epilepsy Model. Antioxidants (Basel) 2021; 10:antiox10111702. [PMID: 34829573 PMCID: PMC8615008 DOI: 10.3390/antiox10111702] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/21/2021] [Accepted: 10/23/2021] [Indexed: 02/07/2023] Open
Abstract
Epilepsy is a chronic disease of the brain that affects over 65 million people worldwide. Acquired epilepsy is initiated by neurological insults, such as status epilepticus, which can result in the generation of ROS and induction of oxidative stress. Suppressing oxidative stress by upregulation of the transcription factor, nuclear factor erythroid 2-related factor 2 (Nrf2) has been shown to be an effective strategy to increase endogenous antioxidant defences, including in brain diseases, and can ameliorate neuronal damage and seizure occurrence in epilepsy. Here, we aim to test the neuroprotective potential of a naturally occurring Nrf2 activator sulforaphane, in in vitro epileptiform activity model and a temporal lobe epilepsy rat model. Sulforaphane significantly decreased ROS generation during epileptiform activity, restored glutathione levels, and prevented seizure-like activity-induced neuronal cell death. When given to rats after 2 h of kainic acid-induced status epilepticus, sulforaphane significantly increased the expression of Nrf2 and related antioxidant genes, improved oxidative stress markers, and increased the total antioxidant capacity in both the plasma and hippocampus. In addition, sulforaphane significantly decreased status epilepticus-induced neuronal cell death. Our results demonstrate that Nrf2 activation following an insult to the brain exerts a neuroprotective effect by reducing neuronal death, increasing the antioxidant capacity, and thus may also modify epilepsy development.
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7
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Omega-3 Fatty Acids DHA and EPA Reduce Bortezomib Resistance in Multiple Myeloma Cells by Promoting Glutathione Degradation. Cells 2021; 10:cells10092287. [PMID: 34571936 PMCID: PMC8465636 DOI: 10.3390/cells10092287] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/26/2021] [Accepted: 08/31/2021] [Indexed: 12/14/2022] Open
Abstract
Multiple myeloma (MM) is a hematological malignancy that exhibits aberrantly high levels of proteasome activity. While treatment with the proteasome inhibitor bortezomib substantially increases overall survival of MM patients, acquired drug resistance remains the main challenge for MM treatment. Using a combination treatment of docosahexaenoic acid (DHA) or eicosapentaenoic acid (EPA) and bortezomib, it was demonstrated previously that pretreatment with DHA/EPA significantly increased bortezomib chemosensitivity in MM cells. In the current study, both transcriptome and metabolome analysis were performed to comprehensively evaluate the underlying mechanism. It was demonstrated that pretreating MM cells with DHA/EPA before bortezomib potently decreased the cellular glutathione (GSH) level and altered the expression of the related metabolites and key enzymes in GSH metabolism, whereas simultaneous treatment only showed minor effects on these factors, thereby suggesting the critical role of GSH degradation in overcoming bortezomib resistance in MM cells. Moreover, RNA-seq results revealed that the nuclear factor erythroid 2-related factor 2 (NRF2)-activating transcription factor 3/4 (ATF3/4)-ChaC glutathione specific gamma-glutamylcyclotransferase 1 (CHAC1) signaling pathway may be implicated as the central player in the GSH degradation. Pathways of necroptosis, ferroptosis, p53, NRF2, ATF4, WNT, MAPK, NF-κB, EGFR, and ERK may be connected to the tumor suppressive effect caused by pretreatment of DHA/EPA prior to bortezomib. Collectively, this work implicates GSH degradation as a potential therapeutic target in MM and provides novel mechanistic insights into its significant role in combating bortezomib resistance.
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8
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Ferrante G, Carota G, Li Volti G, Giuffrè M. Biomarkers of Oxidative Stress for Neonatal Lung Disease. Front Pediatr 2021; 9:618867. [PMID: 33681099 PMCID: PMC7930002 DOI: 10.3389/fped.2021.618867] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Accepted: 01/27/2021] [Indexed: 02/01/2023] Open
Abstract
The transition from prenatal to postnatal life causes a significant increase in arterial oxygen tension and the activation of metabolic pathways enabling the newborn's adaptation to the extra-uterine environment. The balance between pro-oxidant and anti-oxidant systems is critical to preserve cellular functions. Indeed, oxidative stress (OS) occurs when the production of free radicals is not balanced by the activity of intracellular antioxidant systems, contributing to cellular and tissue damage. Perinatal OS may have serious health consequences during the postnatal period and later in life. Namely, OS has been recognized as the major cause of lung injury in newborns, especially those preterm born, due to their immature lung and antioxidant systems. The development of OS biomarkers has gained increasing research interest since they may provide useful insights about pathophysiological pathways underlying OS-mediated pulmonary diseases in newborns. Moreover, their implementation in clinical settings may help to early identify high risk-newborns and to provide targeted treatment. Ideally, a biomarker should demonstrate ease of use, biological validity and reproducibility, high sensitivity and specificity. However, none of the clinically validated biomarkers so far have been qualified for neonatal lung disease. Additionally, the complex technical procedures and the high cost of such determinations have hampered the use of OS biomarkers in clinical practice. This review aims to evaluate the current evidence on the application of biomarkers of oxidative stress for neonatal lung disease and exploring the most relevant issues affecting their implementation in practice, as well as the associated evidence gaps and research limitations.
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Affiliation(s)
- Giuliana Ferrante
- Dipartimento di Promozione della Salute, Materno-Infantile, Medicina Interna e Specialistica d'Eccellenza "G. D'Alessandro", Università degli Studi di Palermo, Palermo, Italy
| | - Giuseppe Carota
- Dipartimento di Scienze Biomediche e Biotecnologiche, Università degli Studi di Catania, Catania, Italy
| | - Giovanni Li Volti
- Dipartimento di Scienze Biomediche e Biotecnologiche, Università degli Studi di Catania, Catania, Italy
| | - Mario Giuffrè
- Dipartimento di Promozione della Salute, Materno-Infantile, Medicina Interna e Specialistica d'Eccellenza "G. D'Alessandro", Università degli Studi di Palermo, Palermo, Italy
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9
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Qaitoon A, Yong J, Zhang Z, Liu J, Xu ZP, Zhang R. Development of manganese dioxide-based nanoprobes for fluorescence detection and imaging of glutathione. NEW J CHEM 2021. [DOI: 10.1039/d1nj01843d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A manganese dioxide-based nanoprobe is developed for fluorescence detection and imaging of glutathione (GSH) in yeast cells and onion tissues.
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Affiliation(s)
- Ali Qaitoon
- Australian Institute for Bioengineering and Nanotechnology
- The University of Queensland
- St. Lucia
- Australia
| | - Jiaxi Yong
- Australian Institute for Bioengineering and Nanotechnology
- The University of Queensland
- St. Lucia
- Australia
| | - Zexi Zhang
- Australian Institute for Bioengineering and Nanotechnology
- The University of Queensland
- St. Lucia
- Australia
| | - Jie Liu
- Australian Institute for Bioengineering and Nanotechnology
- The University of Queensland
- St. Lucia
- Australia
| | - Zhi Ping Xu
- Australian Institute for Bioengineering and Nanotechnology
- The University of Queensland
- St. Lucia
- Australia
| | - Run Zhang
- Australian Institute for Bioengineering and Nanotechnology
- The University of Queensland
- St. Lucia
- Australia
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Liu SW, Ye JJ, Lu QP, Cheema MT, Abbas M, Huang DL, Sajid I, Sun CH. Motilibacter deserti sp. nov. and Motilibacter aurantiacus sp. nov., two novel actinobacteria isolated from soil of Cholistan Desert and emended description of the genus Motilibacter. Syst Appl Microbiol 2020; 43:126150. [PMID: 33099259 DOI: 10.1016/j.syapm.2020.126150] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 09/21/2020] [Accepted: 09/25/2020] [Indexed: 02/03/2023]
Abstract
Two novel actinobacterial strains, designated as E257T and K478T, were isolated from hyper-arid soil samples collected in Cholistan Desert, Pakistan. Comparative analysis of 16S rRNA genes showed that strains E257T and K478T were assigned to the genus Motilibacter, being their closest relative M. rhizosphaerae RS-16T with 97.3% and 96.7% similarities, respectively. The sequence similarity between strain E257T and K478T was 98.9%. Phylogenetic analysis based on 16S rRNA gene sequences and phylogenomic analysis based on multiple genes of conserved core proteins exhibited that these two strains belonged to the genus Motilibacter and formed a robust cluster separated from the two type species of the genus Motilibacter. Average Nucleotide Identity (ANI), Average Amino acid Identity (AAI), digital DNA-DNA hybridization (dDDH) values and Percentage of Conserved Proteins (POCP) calculated from the complete genome sequences indicated strains E257T and K478T were assigned into genus Motilibacter but clearly separated from each other and from the other species of the genus Motilibacter with values below the thresholds for species delineation. The two isolates were found to have chemotaxonomic, cultural and morphological properties consistent with their classification in the genus Motilibacter and also confirmed the differentiation from their closest species. The obtained results demonstrated that strains E257T and K478T represent two novel species of the genus Motilibacter, for which the names Motilibacter desertisp. nov. (type strain E257T = JCM 33651T = CGMCC 1.17159T) and Motilibacter aurantiacus sp. nov. (type strain K478T =JCM 33652T =CGMCC 1.17229T) are proposed.
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Affiliation(s)
- Shao-Wei Liu
- Department of Microbial Chemistry, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China; Beijing Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Jing-Jing Ye
- Department of Microbial Chemistry, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China; College of Basic Medical Sciences, Guilin Medical University, Guilin 541004, China
| | - Qin-Pei Lu
- Department of Microbial Chemistry, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Mohsin Tassawar Cheema
- Department of Microbiology and Molecular Genetics, University of the Punjab, Quid-i-Azam Campus, Lahore 54590, Pakistan
| | - Muhammad Abbas
- Department of Microbiology and Molecular Genetics, University of the Punjab, Quid-i-Azam Campus, Lahore 54590, Pakistan
| | - Da-Lin Huang
- College of Basic Medical Sciences, Guilin Medical University, Guilin 541004, China
| | - Imran Sajid
- Department of Microbiology and Molecular Genetics, University of the Punjab, Quid-i-Azam Campus, Lahore 54590, Pakistan.
| | - Cheng-Hang Sun
- Department of Microbial Chemistry, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China; Beijing Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.
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11
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Costa VM, Capela JP, Sousa JR, Eleutério RP, Rodrigues PRS, Dores-Sousa JL, Carvalho RA, Lourdes Bastos M, Duarte JA, Remião F, Almeida MG, Varner KJ, Carvalho F. Mitoxantrone impairs proteasome activity and prompts early energetic and proteomic changes in HL-1 cardiomyocytes at clinically relevant concentrations. Arch Toxicol 2020; 94:4067-4084. [DOI: 10.1007/s00204-020-02874-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 08/12/2020] [Indexed: 11/24/2022]
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Barosova H, Karakocak BB, Septiadi D, Petri-Fink A, Stone V, Rothen-Rutishauser B. An In Vitro Lung System to Assess the Proinflammatory Hazard of Carbon Nanotube Aerosols. Int J Mol Sci 2020; 21:ijms21155335. [PMID: 32727099 PMCID: PMC7432093 DOI: 10.3390/ijms21155335] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/14/2020] [Accepted: 07/22/2020] [Indexed: 12/16/2022] Open
Abstract
In vitro three-dimensional (3D) lung cell models have been thoroughly investigated in recent years and provide a reliable tool to assess the hazard associated with nanomaterials (NMs) released into the air. In this study, a 3D lung co-culture model was optimized to assess the hazard potential of multiwalled carbon nanotubes (MWCNTs), which is known to provoke inflammation and fibrosis, critical adverse outcomes linked to acute and prolonged NM exposure. The lung co-cultures were exposed to MWCNTs at the air-liquid interface (ALI) using the VITROCELL® Cloud system while considering realistic occupational exposure doses. The co-culture model was composed of three human cell lines: alveolar epithelial cells (A549), fibroblasts (MRC-5), and macrophages (differentiated THP-1). The model was exposed to two types of MWCNTs (Mitsui-7 and Nanocyl) at different concentrations (2–10 μg/cm2) to assess the proinflammatory as well as the profibrotic responses after acute (24 h, one exposure) and prolonged (96 h, repeated exposures) exposure cycles. The results showed that acute or prolonged exposure to different concentrations of the tested MWCNTs did not induce cytotoxicity or apparent profibrotic response; however, suggested the onset of proinflammatory response.
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Affiliation(s)
- Hana Barosova
- BioNanomaterials Group, Adolphe Merkle Institute, University of Fribourg, 1700 Fribourg, Switzerland; (H.B.); (B.B.K.); (D.S.); (A.P.-F.)
- Institute of Experimental Medicine of the Czech Academy of Sciences, 142 20 Prague, Czech Republic
| | - Bedia Begum Karakocak
- BioNanomaterials Group, Adolphe Merkle Institute, University of Fribourg, 1700 Fribourg, Switzerland; (H.B.); (B.B.K.); (D.S.); (A.P.-F.)
| | - Dedy Septiadi
- BioNanomaterials Group, Adolphe Merkle Institute, University of Fribourg, 1700 Fribourg, Switzerland; (H.B.); (B.B.K.); (D.S.); (A.P.-F.)
| | - Alke Petri-Fink
- BioNanomaterials Group, Adolphe Merkle Institute, University of Fribourg, 1700 Fribourg, Switzerland; (H.B.); (B.B.K.); (D.S.); (A.P.-F.)
- Department of Chemistry, University of Fribourg, 1700 Fribourg, Switzerland
| | - Vicki Stone
- Institute of Biological Chemistry, Biophysics and Bioengineering, Heriot-Watt University, Edinburgh EH14 4AS, UK;
| | - Barbara Rothen-Rutishauser
- BioNanomaterials Group, Adolphe Merkle Institute, University of Fribourg, 1700 Fribourg, Switzerland; (H.B.); (B.B.K.); (D.S.); (A.P.-F.)
- Correspondence: ; Tel.: +41-26-300-9502
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Cordaro M, Siracusa R, Fusco R, D’Amico R, Peritore AF, Gugliandolo E, Genovese T, Scuto M, Crupi R, Mandalari G, Cuzzocrea S, Di Paola R, Impellizzeri D. Cashew ( Anacardium occidentale L.) Nuts Counteract Oxidative Stress and Inflammation in an Acute Experimental Model of Carrageenan-Induced Paw Edema. Antioxidants (Basel) 2020; 9:antiox9080660. [PMID: 32722199 PMCID: PMC7465066 DOI: 10.3390/antiox9080660] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 07/16/2020] [Accepted: 07/20/2020] [Indexed: 12/19/2022] Open
Abstract
Background: Anacardium occidentale L. is a medicinal plant with powerful anti-oxidative and anti-inflammatory properties. Acute inflammatory events cause tissue alterations, decrease of anti-oxidative endogenous enzymes such as superoxide dismutase, catalase and glutathione, neutrophils infiltration, increase in the activities of myeloperoxidase, malondialdehyde, and pro-inflammatory release. Methods: Paw edema was induced by subplantar injection of carrageenan into the right hind paw in rats, but 30 min before a group of animals were orally treated with 100 mg/kg of cashew nuts to evaluate the anti-inflammatory and anti-oxidative response. Results: In the present work, we found that (1) cashew nuts reduced the development of carrageenan-induced paw edema limiting the formation of edema and pain; (2) cashew nuts ameliorated the diminutions of the anti-oxidative enzymes caused by carrageenan injection; (3) cashew nuts decreased myeloperoxidase malondialdehyde activity induced by carrageenan; and (4) cashew nuts acted by blocking pro-inflammatory cytokines response and nitrate/nitrite formation stimulated by carrageenan injection. Conclusions: The mechanisms of anti-inflammatory and analgesic effects exerted by cashew nuts were relevant to oxygen free radical scavenging, anti-lipid peroxidation, and inhibition of the formation of inflammatory cytokines.
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Affiliation(s)
- Marika Cordaro
- Department of Biomedical, Dental and Morphological and Functional Imaging, University of Messina, Via Consolare Valeria, 98125 Messina, Italy;
| | - Rosalba Siracusa
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (R.S.); (R.F.); (R.D.); (A.F.P.); (E.G.); (T.G.); (G.M.); (D.I.)
| | - Roberta Fusco
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (R.S.); (R.F.); (R.D.); (A.F.P.); (E.G.); (T.G.); (G.M.); (D.I.)
| | - Ramona D’Amico
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (R.S.); (R.F.); (R.D.); (A.F.P.); (E.G.); (T.G.); (G.M.); (D.I.)
| | - Alessio Filippo Peritore
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (R.S.); (R.F.); (R.D.); (A.F.P.); (E.G.); (T.G.); (G.M.); (D.I.)
| | - Enrico Gugliandolo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (R.S.); (R.F.); (R.D.); (A.F.P.); (E.G.); (T.G.); (G.M.); (D.I.)
| | - Tiziana Genovese
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (R.S.); (R.F.); (R.D.); (A.F.P.); (E.G.); (T.G.); (G.M.); (D.I.)
| | - Maria Scuto
- Department of Biomedical and Biotechnological Sciences, University of Catania, Via Santa Sofia 97, 95123 Catania, Italy;
| | - Rosalia Crupi
- Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy;
| | - Giuseppina Mandalari
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (R.S.); (R.F.); (R.D.); (A.F.P.); (E.G.); (T.G.); (G.M.); (D.I.)
| | - Salvatore Cuzzocrea
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (R.S.); (R.F.); (R.D.); (A.F.P.); (E.G.); (T.G.); (G.M.); (D.I.)
- Department of Pharmacological and Physiological Science, Saint Louis University School of Medicine, Saint Louis, MO 63104, USA
- Correspondence: (S.C.); (R.D.P.); Tel.: +39-090-6765-208 (S.C. & R.D.P.)
| | - Rosanna Di Paola
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (R.S.); (R.F.); (R.D.); (A.F.P.); (E.G.); (T.G.); (G.M.); (D.I.)
- Correspondence: (S.C.); (R.D.P.); Tel.: +39-090-6765-208 (S.C. & R.D.P.)
| | - Daniela Impellizzeri
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy; (R.S.); (R.F.); (R.D.); (A.F.P.); (E.G.); (T.G.); (G.M.); (D.I.)
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14
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Chainoglou E, Hadjipavlou-Litina D. Curcumin in Health and Diseases: Alzheimer's Disease and Curcumin Analogues, Derivatives, and Hybrids. Int J Mol Sci 2020; 21:ijms21061975. [PMID: 32183162 PMCID: PMC7139886 DOI: 10.3390/ijms21061975] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 03/05/2020] [Accepted: 03/09/2020] [Indexed: 12/28/2022] Open
Abstract
Worldwide, Alzheimer’s disease (AD) is the most common neurodegenerative multifactorial disease influencing the elderly population. Nowadays, several medications, among them curcumin, are used in the treatment of AD. Curcumin, which is the principal component of Curcuma longa, has shown favorable effects forsignificantly preventing or treating AD. During the last decade, the scientific community has focused their research on the optimization of therapeutic properties and on the improvement of pharmacokinetic properties of curcumin. This review summarizes bibliographical data from 2009 to 2019 on curcumin analogues, derivatives, and hybrids, as well as their therapeutic, preventic, and diagnostic applications in AD. Recent advances in the field have revealed that the phenolic hydroxyl group could contribute to the anti-amyloidogenic activity. Phenyl methoxy groups seem to contribute to the suppression of amyloid-β peptide (Aβ42) and to the suppression of amyloid precursor protein (APP) andhydrophobic interactions have also revealed a growing role. Furthermore, flexible moieties, at the linker, are crucial for the inhibition of Aβ aggregation. The inhibitory activity of derivatives is increased with the expansion of the aromatic rings. The promising role of curcumin-based compounds in diagnostic imaging is highlighted. The keto-enol tautomerism seems to be a novel modification for the design of amyloid-binding agents. Molecular docking results, (Q)SAR, as well as in vitro and in vivo tests highlight the structures and chemical moieties that are correlated with specific activity. As a result, the knowledge gained from the existing research should lead to the design and synthesis ofinnovative and multitargetedcurcumin analogues, derivatives, or curcumin hybrids, which would be very useful drug and tools in medicine for both diagnosis and treatment of AD.
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Sari G, Okat Z, Sahin A, Karademir B. Proteasome Inhibitors in Cancer Therapy and their Relation to Redox Regulation. Curr Pharm Des 2019; 24:5252-5267. [PMID: 30706779 DOI: 10.2174/1381612825666190201120013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 01/25/2019] [Indexed: 01/23/2023]
Abstract
Redox homeostasis is important for the maintenance of cell survival. Under physiological conditions, redox system works in a balance and involves activation of many signaling molecules. Regulation of redox balance via signaling molecules is achieved by different pathways and proteasomal system is a key pathway in this process. Importance of proteasomal system on signaling pathways has been investigated for many years. In this direction, many proteasome targeting molecules have been developed. Some of them are already in the clinic for cancer treatment and some are still under investigation to highlight underlying mechanisms. Although there are many studies done, molecular mechanisms of proteasome inhibitors and related signaling pathways need more detailed explanations. This review aims to discuss redox status and proteasomal system related signaling pathways. In addition, cancer therapies targeting proteasomal system and their effects on redox-related pathways have been summarized.
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Affiliation(s)
- Gulce Sari
- Department of Biochemistry, Faculty of Medicine / Genetic and Metabolic Diseases Research and Investigation Center, Marmara University, 34854 Maltepe, Istanbul, Turkey.,Department of Genetics and Bioengineering, Faculty of Engineering, Okan University, 34959, Tuzla, I stanbul, Turkey
| | - Zehra Okat
- Department of Biochemistry, Faculty of Medicine / Genetic and Metabolic Diseases Research and Investigation Center, Marmara University, 34854 Maltepe, Istanbul, Turkey
| | - Ali Sahin
- Department of Biochemistry, Faculty of Medicine / Genetic and Metabolic Diseases Research and Investigation Center, Marmara University, 34854 Maltepe, Istanbul, Turkey
| | - Betul Karademir
- Department of Biochemistry, Faculty of Medicine / Genetic and Metabolic Diseases Research and Investigation Center, Marmara University, 34854 Maltepe, Istanbul, Turkey
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16
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Banik S, Akter M, Corpus Bondad SE, Saito T, Hosokawa T, Kurasaki M. Carvacrol inhibits cadmium toxicity through combating against caspase dependent/independent apoptosis in PC12 cells. Food Chem Toxicol 2019; 134:110835. [DOI: 10.1016/j.fct.2019.110835] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 09/19/2019] [Accepted: 09/21/2019] [Indexed: 01/03/2023]
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17
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New uracil analogs as downregulators of ABC transporters in 5-fluorouracil-resistant human leukemia HL-60 cell line. Mol Biol Rep 2019; 46:5831-5839. [DOI: 10.1007/s11033-019-05017-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 07/31/2019] [Indexed: 12/30/2022]
Abstract
AbstractOverexpression of ATP-binding cassette (ABC) transporters causing multidrug resistance (MDR) in cancer cells is one of the major obstacles in cancer chemotherapy. The 5-FU resistant subclone (HL-60/5FU) of the human HL-60 promyelocytic leukemia cell line was selected by the conventional method of continuous exposure of the cells to the drug up to 0.08 mmol/L concentration. HL-60/5FU cells exhibited six-fold enhanced resistance to 5-FU than HL-60 cells. RT-PCR and ELISA assay showed significant overexpression of MDR-related ABC transporters, ABCB1, ABCG2 but especially ABCC1 in the HL-60/5FU as compared with the parental cell line. Three novel synthetic 5-methylidenedihydrouracil analogs, U-236, U-332 and U-359, selected as highly cytotoxic for HL-60 cells in MTT test, showed similar cytotoxicity in the resistant cell line. When co-incubated with 5-FU, these analogs were found to down-regulate the expression of all three transporters. However, the most pronounced effect was caused by U-332 which almost completely abolished ABCC1 expression in the resistant HL-60/5FU cells. Additionally, U-332 inhibited the activity of ATPase, an enzyme which catalyzes hydrolysis of ATP, providing energy to efflux drugs from the cells through the cellular membranes. Taken together, the obtained data suggest that acquired 5-FU resistance in HL-60/5FU cells results from overexpression of ABCC1 and that targeting ABCC1 expression could be a potential approach to re-sensitize resistant leukemia cells to 5-FU. The synthetic uracil analog U-332, which can potently down-regulate ABC transporter expression and therefore disturb drug efflux, can be considered an efficient ABCC1 regulator in cancer cells.
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18
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Lane D, Soong R, Bermel W, Ning P, Dutta Majumdar R, Tabatabaei-Anaraki M, Heumann H, Gundy M, Bönisch H, Liaghati Mobarhan Y, Simpson MJ, Simpson AJ. Selective Amino Acid-Only in Vivo NMR: A Powerful Tool To Follow Stress Processes. ACS OMEGA 2019; 4:9017-9028. [PMID: 31459990 PMCID: PMC6648361 DOI: 10.1021/acsomega.9b00931] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 05/09/2019] [Indexed: 05/24/2023]
Abstract
In vivo NMR of small 13C-enriched aquatic organisms is developing as a powerful tool to detect and explain toxic stress at the biochemical level. Amino acids are a very important category of metabolites for stress detection as they are involved in the vast majority of stress response pathways. As such, they are a useful proxy for stress detection in general, which could then be a trigger for more in-depth analysis of the metabolome. 1H-13C heteronuclear single quantum coherence (HSQC) is commonly used to provide additional spectral dispersion in vivo and permit metabolite assignment. While some amino acids can be assigned from HSQC, spectral overlap makes monitoring them in vivo challenging. Here, an experiment typically used to study protein structures is adapted for the selective detection of amino acids inside living Daphnia magna (water fleas). All 20 common amino acids can be selectively detected in both extracts and in vivo. By monitoring bisphenol-A exposure, the in vivo amino acid-only approach identified larger fluxes in a greater number of amino acids when compared to published works using extracts from whole organism homogenates. This suggests that amino acid-only NMR of living organisms may be a very sensitive tool in the detection of stress in vivo and is highly complementary to more traditional metabolomics-based methods. The ability of selective NMR experiments to help researchers to "look inside" living organisms and only detect specific molecules of interest is quite profound and paves the way for the future development of additional targeted experiments for in vivo research and monitoring.
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Affiliation(s)
- Daniel Lane
- Environmental
NMR Centre, Department of Physical and Environmental Science, University of Toronto, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
| | - Ronald Soong
- Environmental
NMR Centre, Department of Physical and Environmental Science, University of Toronto, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
| | - Wolfgang Bermel
- Bruker
BioSpin GmbH, Silberstreifen 4, Rheinstetten, Germany
| | - Paris Ning
- Environmental
NMR Centre, Department of Physical and Environmental Science, University of Toronto, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
| | - Rudraksha Dutta Majumdar
- Environmental
NMR Centre, Department of Physical and Environmental Science, University of Toronto, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
- Bruker
Canada Ltd, 2800 High
Point Drive, Milton, Ontario, Canada L9T 6P4
| | - Maryam Tabatabaei-Anaraki
- Environmental
NMR Centre, Department of Physical and Environmental Science, University of Toronto, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
| | | | | | | | - Yalda Liaghati Mobarhan
- Environmental
NMR Centre, Department of Physical and Environmental Science, University of Toronto, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
| | - Myrna J. Simpson
- Environmental
NMR Centre, Department of Physical and Environmental Science, University of Toronto, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
| | - André J. Simpson
- Environmental
NMR Centre, Department of Physical and Environmental Science, University of Toronto, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
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19
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Raffaele M, Pittalà V, Zingales V, Barbagallo I, Salerno L, Li Volti G, Romeo G, Carota G, Sorrenti V, Vanella L. Heme Oxygenase-1 Inhibition Sensitizes Human Prostate Cancer Cells towards Glucose Deprivation and Metformin-Mediated Cell Death. Int J Mol Sci 2019; 20:ijms20102593. [PMID: 31137785 PMCID: PMC6566853 DOI: 10.3390/ijms20102593] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 05/16/2019] [Accepted: 05/23/2019] [Indexed: 12/11/2022] Open
Abstract
High levels of heme oxygenase (HO)-1 have been frequently reported in different human cancers, playing a major role in drug resistance and regulation of cancer cell redox homeostasis. Metformin (MET), a drug widely used for type 2 diabetes, has recently gained interest for treating several cancers. Recent studies indicated that the anti-proliferative effects of metformin in cancer cells are highly dependent on glucose concentration. The present work was directed to determine whether use of a specific inhibitor of HO-1 activity, alone or in combination with metformin, affected metastatic prostate cancer cell viability under different concentrations of glucose. MTT assay and the xCELLigence system were used to evaluate cell viability and cell proliferation in DU145 human prostate cancer cells. Cell apoptosis and reactive oxygen species were analyzed by flow cytometry. The activity of HO-1 was inhibited using a selective imidazole-based inhibitor; genes associated with antioxidant systems and cell death were evaluated by qRT-PCR. Our study demonstrates that metformin suppressed prostate cancer growth in vitro and increased oxidative stress. Disrupting the antioxidant HO-1 activity, especially under low glucose concentration, could be an attractive approach to potentiate metformin antineoplastic effects and could provide a biochemical basis for developing HO-1-targeting drugs against solid tumors.
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Affiliation(s)
- Marco Raffaele
- Department of Drug Science, Biochemistry Section, University of Catania, 95125 Catania, Italy.
| | - Valeria Pittalà
- Department of Drug Science, Pharmaceutical Chemistry Section, University of Catania, 95125 Catania, Italy.
| | - Veronica Zingales
- Department of Drug Science, Biochemistry Section, University of Catania, 95125 Catania, Italy.
| | - Ignazio Barbagallo
- Department of Drug Science, Biochemistry Section, University of Catania, 95125 Catania, Italy.
| | - Loredana Salerno
- Department of Drug Science, Pharmaceutical Chemistry Section, University of Catania, 95125 Catania, Italy.
| | - Giovanni Li Volti
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy.
| | - Giuseppe Romeo
- Department of Drug Science, Pharmaceutical Chemistry Section, University of Catania, 95125 Catania, Italy.
| | - Giuseppe Carota
- Department of Drug Science, Biochemistry Section, University of Catania, 95125 Catania, Italy.
| | - Valeria Sorrenti
- Department of Drug Science, Biochemistry Section, University of Catania, 95125 Catania, Italy.
| | - Luca Vanella
- Department of Drug Science, Biochemistry Section, University of Catania, 95125 Catania, Italy.
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Renaud CO, Ziros PG, Chartoumpekis DV, Bongiovanni M, Sykiotis GP. Keap1/Nrf2 Signaling: A New Player in Thyroid Pathophysiology and Thyroid Cancer. Front Endocrinol (Lausanne) 2019; 10:510. [PMID: 31428048 PMCID: PMC6687762 DOI: 10.3389/fendo.2019.00510] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 07/12/2019] [Indexed: 12/11/2022] Open
Abstract
The Keap1/Nrf2 pathway is a key mediator of general redox and tissue-specific homeostasis. It also exerts a dual role in cancer, by preventing cell transformation of normal cells but promoting aggressiveness, and drug resistance of malignant ones. Although Nrf2 is well-studied in other tissues, its roles in the thyroid gland are only recently emerging. This review focuses on the involvement of Keap1/Nrf2 signaling in thyroid physiology, and pathophysiology in general, and particularly in thyroid cancer. Studies in mice and cultured follicular cells have shown that, under physiological conditions, Nrf2 coordinates antioxidant defenses, directly increases thyroglobulin production and inhibits its iodination. Increased Nrf2 pathway activation has been reported in two independent families with multinodular goiters due to germline loss-of-function mutations in KEAP1. Nrf2 pathway activation has also been documented in papillary thyroid carcinoma (PTC), due to somatic mutations, or epigenetic modifications in KEAP1, or other pathway components. In PTC, such Nrf2-activating KEAP1 mutations have been associated with tumor aggressiveness. Furthermore, polymorphisms in the prototypical Nrf2 target genes NQO1 and NQO2 have been associated with extra-thyroidal extension and metastasis. More recently, mutations in the Nrf2 pathway have also been found in Hürthle-cell (oncocytic) thyroid carcinoma. Finally, in in vitro, and in vivo models of poorly-differentiated, and undifferentiated (anaplastic) thyroid carcinoma, Nrf2 activation has been associated with resistance to experimental molecularly-targeted therapy. Thus, Keap1/Nrf2 signaling is involved in both benign and malignant thyroid conditions, where it might serve as a prognostic marker or therapeutic target.
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Affiliation(s)
- Cedric O. Renaud
- Service of Endocrinology, Diabetology and Metabolism, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Panos G. Ziros
- Service of Endocrinology, Diabetology and Metabolism, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Dionysios V. Chartoumpekis
- Service of Endocrinology, Diabetology and Metabolism, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- Division of Endocrinology, Department of Internal Medicine, School of Medicine, University of Patras, Patras, Greece
| | - Massimo Bongiovanni
- Service of Clinical Pathology, Institute of Pathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Gerasimos P. Sykiotis
- Service of Endocrinology, Diabetology and Metabolism, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- *Correspondence: Gerasimos P. Sykiotis
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Pham VM, Matsumura S, Katano T, Funatsu N, Ito S. Diabetic neuropathy research: from mouse models to targets for treatment. Neural Regen Res 2019; 14:1870-1879. [PMID: 31290436 PMCID: PMC6676867 DOI: 10.4103/1673-5374.259603] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Diabetic neuropathy is one of the most serious complications of diabetes, and its increase shows no sign of stopping. Furthermore, current clinical treatments do not yet approach the best effectiveness. Thus, the development of better strategies for treating diabetic neuropathy is an urgent matter. In this review, we first discuss the advantages and disadvantages of some major mouse models of diabetic neuropathy and then address the targets for mechanism-based treatment that have been studied. We also introduce our studies on each part. Using stem cells as a source of neurotrophic factors to target extrinsic factors of diabetic neuropathy, we found that they present a promising treatment.
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Affiliation(s)
- Vuong M Pham
- Department of Medical Chemistry, Kansai Medical University, Hirakata, Osaka, Japan; Singapore Institute for Neurotechnology (SINAPSE), National University of Singapore, Singapore
| | - Shinji Matsumura
- Department of Medical Chemistry, Kansai Medical University, Hirakata, Osaka, Japan
| | - Tayo Katano
- Department of Medical Chemistry, Kansai Medical University, Hirakata, Osaka, Japan
| | - Nobuo Funatsu
- Department of Medical Chemistry, Kansai Medical University, Hirakata, Osaka, Japan
| | - Seiji Ito
- Department of Medical Chemistry, Kansai Medical University, Hirakata; Department of Anesthesiology, Osaka Medical College, Takatsuki, Osaka, Japan
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22
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Zhao C, Chen J, Ling Y, Wang S. Quantitative proteomics using SILAC-MS identifies N-acetylcysteine-solution-triggered reversal response of renal cell carcinoma cell lines. J Cell Biochem 2018; 120:9506-9513. [PMID: 30520128 DOI: 10.1002/jcb.28226] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Accepted: 11/15/2018] [Indexed: 11/07/2022]
Abstract
N-acetylcysteine (NAC), a precursor for glutathione (GSH), causes permeable antioxidation protecting normal cells and disrupting cancer cells. In the present study, we found that a NAC-based medium can trigger a reversal response of human clear cell renal cell carcinoma (ccRCC). To further investigate the action of a NAC-based solution in ccRCC cell lines, 786-O and SN12C were incubated in a serum-free acid medium (low pH) in the presence of 2 mM NAC for 24 hours or in a serum-free medium (normal pH) as the control, and then a phenotypic and proteomic analyses were performed. To determine the reversal occurrence, we tested the phenotypic features associated with cancer cells. Under this premise, a systematic and in-depth analysis of NAC-solution-triggered protein alterations was carried out by quantitative proteomics in both cell lines. Among the paramount protein signature, we identified a large number of proteins associated with cancer features were downregulated, but other proteins in the KEGG pathways associated with recovery of the missing tumorigenicity, such as the p53 pathway and repair pathway, were significantly upregulated. Quantification of notable proteins was validated by messenger RNA (mRNA) and protein levels in the ccRCC cell line. Collectively, our data indicate that the NAC-based solution inhibits human ccRCC cell growth by decreasing cell proliferation and inducing apoptosis, limiting their migration by limiting cell motility and completely changing their metabolic mode. Thus, NAC-based solutions could be used for the prevention or treatment of ccRCC.
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Affiliation(s)
- Cuihong Zhao
- Department of Pharmacy, Hanzhong Central Hospital, Hanzhong, Shanxi, China
| | - Jianhua Chen
- Department of Orthopedics, Hanzhong Central Hospital, Hanzhong, Shanxi, China
| | - Yong Ling
- Department of Pharmacy, The Affiliated Hospital of Qingdao University Medical College, Qingdao, China
| | - Shenghai Wang
- Department of Orthopedics, Hanzhong Central Hospital, Hanzhong, Shanxi, China
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Zaal EA, Berkers CR. The Influence of Metabolism on Drug Response in Cancer. Front Oncol 2018; 8:500. [PMID: 30456204 PMCID: PMC6230982 DOI: 10.3389/fonc.2018.00500] [Citation(s) in RCA: 173] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Accepted: 10/15/2018] [Indexed: 12/23/2022] Open
Abstract
Resistance to therapeutic agents, either intrinsic or acquired, is currently a major problem in the treatment of cancers and occurs in virtually every type of anti-cancer therapy. Therefore, understanding how resistance can be prevented, targeted and predicted becomes increasingly important to improve cancer therapy. In the last decade, it has become apparent that alterations in cellular metabolism are a hallmark of cancer cells and that a rewired metabolism is essential for rapid tumor growth and proliferation. Recently, metabolic alterations have been shown to play a role in the sensitivity of cancer cells to widely-used first-line chemotherapeutics. This suggests that metabolic pathways are important mediators of resistance toward anticancer agents. In this review, we highlight the metabolic alterations associated with resistance toward different anticancer agents and discuss how metabolism may be exploited to overcome drug resistance to classical chemotherapy.
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Affiliation(s)
- Esther A. Zaal
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research, Utrecht University, Utrecht, Netherlands
| | - Celia R. Berkers
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research, Utrecht University, Utrecht, Netherlands
- Department of Biochemistry and Cell Biology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
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24
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Yoon SA, Kim W, Sharma A, Verwilst P, Won M, Lee MH. A Fluorescent Cy7-Mercaptopyridine for the Selective Detection of Glutathione over Homocysteine and Cysteine. SENSORS (BASEL, SWITZERLAND) 2018; 18:E2897. [PMID: 30200477 PMCID: PMC6164685 DOI: 10.3390/s18092897] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 08/26/2018] [Accepted: 08/30/2018] [Indexed: 11/20/2022]
Abstract
We describe a near-infrared (NIR) fluorescent probe 1 for the selective detection of GSH over Hcy and Cys under physiological conditions. Probe 1 was composed of Cy7 as a NIR dye and 2-mercaptopyridine as a GSH-reactive site and fluorescence quencher. In the presence of GSH, the 2-mercaptopyridine functionality of probe 1 was replaced by the thiolate group of GSH through a nucleophilic substitution reaction with a fluorescence increase at 818 nm. The probe was found to be highly selective for GSH over Hcy, Cys, and other tested potential interferants, including ROS and metal ions. In addition, probe 1 successfully displayed fluorescence changes in response to changing the GSH concentrations in MDA-MB-231 cells in the presence of external agents i.e., N-acetyl-l-cysteine (NAC; as GSH inducer) or buthionine sulfoximine (BSO; as GSH inhibitor). We envision that probe 1 will serve as a promising sensing tool for monitoring the changes of the GSH level and the understanding of the roles of GSH under physiological and pathological conditions.
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Affiliation(s)
- Shin A Yoon
- Department of Chemistry, Sookmyung Women's University, Seoul 04310, Korea.
| | - Wantae Kim
- School of Chemical and Biological Engineering, Seoul National University, Seoul 151-742, Korea.
| | - Amit Sharma
- Department of Chemistry, Korea University, Seoul 02841, Korea.
| | - Peter Verwilst
- Department of Chemistry, Korea University, Seoul 02841, Korea.
| | - Miae Won
- Department of Chemistry, Korea University, Seoul 02841, Korea.
| | - Min Hee Lee
- Department of Chemistry, Sookmyung Women's University, Seoul 04310, Korea.
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25
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Gholinejad Z, Faghfouri AH, Zarrin R, Rasmi Y. Association of glutathione peroxidase 1 gene polymorphism (rs1050450) with Hashimoto's thyroiditis in Northwest Iran. Meta Gene 2018. [DOI: 10.1016/j.mgene.2018.06.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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26
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Shukla A, Trivedi SP. An in vitro analysis of the rat C6 glioma cells to elucidate the linear alkylbenzene sulfonate induced oxidative stress and consequent G2/M phase cell cycle arrest and cellular apoptosis. CHEMOSPHERE 2018; 205:443-451. [PMID: 29705635 DOI: 10.1016/j.chemosphere.2018.04.127] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 04/13/2018] [Accepted: 04/20/2018] [Indexed: 06/08/2023]
Abstract
Linear alkylbenzene Sulphonate (LAS) is the anionic surfactant component of globally consumed detergents. Exposure of sub-inhibitory fractions viz., 1/10th (T1), 1/5th (T2), and 1/2.5th (T3) of IC50 for 48 h, of LAS (5 μM, 10 μM, and 20 μM, respectively) to viable C6 glioma cells of rat, besides imparting morphological alterations leads to gross cytotoxicity. Expression of the damaged DNA coupled with cleaved PARP (p < 0.05; p < 0.01 and p < 0.001) were recorded for T1, T2 and T3, respectively. Subsequently, the cell cycle at G2/M check point was significantly arrested (p < 0.05 for T1 and T2; p < 0.01 for T3). The flow cytometric analysis reveals the initiation of apoptosis in C6 cells as is evident by a significant increase (p < 0.01 for T1, p < 0.001 for T2, and T3) in the intake of annexin-V, the calcium dependent apoptotic phospholipid binding protein. Moreover, significantly increased reactive oxygen species (ROS) (p < 0.05; p < 0.01 and p < 0.001) after 6 h of exposure for all the three sets, registered a declining trend (P < 0.001) when T3 cells were co-treated with N-acetyl cysteine (NAC). Furthermore, the significant attenuation (p < 0.01) of expression of the cleaved PARP and a consequent decrease (p < 0.05) in the cell cycle arrest at G2/M phase after scavenging ROS induced oxidative stress by treating C6 cells with NAC clearly evinces that LAS induced apoptosis is mediated by intracellular ROS. Thus, these findings provide a tangible basis for further investigations including in vivo studies, to unravel the molecular mechanism involved in ROS mediated and LAS induced cytotoxic manifestations.
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Affiliation(s)
- Anubha Shukla
- Environmental Toxicology & Bioremediation Laboratory, Department of Zoology, University of Lucknow, Lucknow, 226007, India
| | - Sunil P Trivedi
- Environmental Toxicology & Bioremediation Laboratory, Department of Zoology, University of Lucknow, Lucknow, 226007, India.
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27
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Villasante A, Ramirez C, Catalán N, Romero J. First Report of Swim Bladder-Associated Microbiota in Rainbow Trout (Oncorhynchus mykiss). Microbes Environ 2017; 32:386-389. [PMID: 29033407 PMCID: PMC5745024 DOI: 10.1264/jsme2.me17071] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The aim of the present study was to identify major bacteria associated with the swim bladder in the rainbow trout, Oncorhynchus mykiss. We extracted DNA from the swim bladder and gut contents in order to perform a temporal temperature gradient gel electrophoresis (TTGE) analysis of 16S rRNA amplicons for bacterial identification to further compare both profiles. Arthrobacter and Cellulosimicrobium were the major genera observed in the swim bladder in fish, but were not present in fish gut contents; Mycoplasma were instead observed in these samples. Further research to investigate the possible symbiotic roles of the swim bladder-associated microbiota in salmonids is needed.
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Affiliation(s)
- Alejandro Villasante
- Laboratorio de Biotecnología, Instituto de Nutrición y Tecnología de los Alimentos (INTA), Universidad de Chile Avda
| | - Carolina Ramirez
- Laboratorio de Biotecnología, Instituto de Nutrición y Tecnología de los Alimentos (INTA), Universidad de Chile Avda
| | - Natalia Catalán
- Laboratorio de Biotecnología, Unidad de Alimentos, Instituto de Nutrición y Tecnología de los Alimentos (INTA), Universidad de Chile Avda
| | - Jaime Romero
- Laboratorio de Biotecnología, Unidad de Alimentos, Instituto de Nutrición y Tecnología de los Alimentos (INTA), Universidad de Chile Avda
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28
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Selective effects of whey protein concentrate on glutathione levels and apoptosis in rats with mammary tumors. Food Chem Toxicol 2017; 107:440-448. [DOI: 10.1016/j.fct.2017.07.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Revised: 07/04/2017] [Accepted: 07/10/2017] [Indexed: 12/29/2022]
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29
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Zaal EA, Wu W, Jansen G, Zweegman S, Cloos J, Berkers CR. Bortezomib resistance in multiple myeloma is associated with increased serine synthesis. Cancer Metab 2017; 5:7. [PMID: 28855983 PMCID: PMC5575874 DOI: 10.1186/s40170-017-0169-9] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 08/14/2017] [Indexed: 12/20/2022] Open
Abstract
Background The proteasome inhibitor bortezomib (BTZ) is successfully applied in the treatment of multiple myeloma, but its efficacy is restricted by the wide-spread occurrence of resistance. Metabolic alterations play an important role in cancer development and aid in the cellular adaptation to pharmacologically changed environments. Metabolic changes could therefore play an essential role in the development of drug resistance. However, specific metabolic pathways that can be targeted to improve bortezomib therapy remain unidentified. Methods We elucidated the metabolic mechanisms underlying bortezomib resistance by using mass spectrometry-based metabolomics and proteomics on BTZ-sensitive and BTZ–resistant multiple myeloma cell lines as well as in a set of CD138+ cells obtained from multiple myeloma patients. Results Our findings demonstrate that a rewired glucose metabolism sustains bortezomib resistance. Mechanistically, this results in higher activity of both the pentose phosphate pathway and serine synthesis pathway, ultimately leading to an increased anti-oxidant capacity of BTZ-resistant cells. Moreover, our results link both serine synthesis pathway activity and expression of 3-phosphoglycerate dehydrogenase (PHGDH), which catalyzes the rate-limiting step of serine synthesis, to bortezomib resistance across different BTZ-resistant multiple myeloma cell lines. Consistently, serine starvation enhanced the cytotoxicity of bortezomib, underscoring the importance of serine metabolism in the response to BTZ. Importantly, in CD138+ cells of clinically bortezomib refractory multiple myeloma patients, PHGDH expression was also markedly increased. Conclusions Our findings indicate that interfering with serine metabolism may be a novel strategy to improve bortezomib therapy and identify PHGDH as a potential biomarker for BTZ resistance. Electronic supplementary material The online version of this article (doi:10.1186/s40170-017-0169-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Esther A Zaal
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Wei Wu
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Gerrit Jansen
- Amsterdam Rheumatology and Immunology Center-Location VUMC, VU University Medical Center, Amsterdam, The Netherlands
| | - Sonja Zweegman
- Department of Hematology, VU University Medical Center, Amsterdam, The Netherlands
| | - Jacqueline Cloos
- Department of Hematology, VU University Medical Center, Amsterdam, The Netherlands.,Pediatric Oncology/Hematology, VU University Medical Center, Amsterdam, The Netherlands
| | - Celia R Berkers
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
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30
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Li X, Jiang Z, Feng J, Zhang X, Wu J, Chen W. 2-Acetylamino-3-[4-(2-acetylamino-2-carboxyethylsulfanylcarbonylamino) phenyl carbamoylsulfanyl] propionic acid, a glutathione reductase inhibitor, induces G 2/M cell cycle arrest through generation of thiol oxidative stress in human esophageal cancer cells. Oncotarget 2017; 8:61846-61860. [PMID: 28977909 PMCID: PMC5617469 DOI: 10.18632/oncotarget.18705] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 05/22/2017] [Indexed: 02/07/2023] Open
Abstract
Esophageal squamous cell carcinoma (ESCC) is a highly malignant cancer with poor response to both of chemotherapy and radiotherapy. 2-Acetylamino-3-[4-(2-acetylamino-2-carboxyethylsulfanylcarbonylamino) phenyl carbamoylsulfanyl] propionic acid (2-AAPA), an irreversible inhibitor of glutathione reductase (GR), is able to induce intracellular oxidative stress, and has shown anticancer activity in many cancer cell lines. In this study, we investigated the effects of 2-AAPA on the cell proliferation, cell cycle and apoptosis and aimed to explore its mechanism of action in human esophageal cancer TE-13 cells. It was found that 2-AAPA inhibited growth of ESCC cells in a dose-dependent manner and it did not deplete reduced glutathione (GSH), but significantly increased the oxidized form glutathione (GSSG), resulting in decreased GSH/GSSG ratio. In consequence, significant reactive oxygen species (ROS) production was observed. The flow cytometric analysis revealed that 2-AAPA inhibited growth of esophageal cancer cells through arresting cell cycle in G2/M phase, but apoptosis-independent mechanism. The G2/M arrest was partially contributed by down-regulation of protein expression of Cdc-25c and up-regulation of phosphorylated Cdc-2 (Tyr15), Cyclin B1 (Ser147) and p53. Meanwhile, 2-AAPA-induced thiol oxidative stress led to increased protein S-glutathionylation, which resulted in α-tubulin S-glutathionylation-dependent depolymerization of microtubule in the TE-13 cells. In conclusion, we identified that 2-AAPA as an effective thiol oxidative stress inducer and proliferation of TE-13 cells were suppressed by G2/M phase cell cycle arrest, mainly, through α-tubulin S-glutathionylation-mediated microtubule depolymerization. Our results may introduce new target and approach for esophageal cancer therapy through generation of GR-mediated thiol oxidative stress.
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Affiliation(s)
- Xia Li
- Zhejiang Cancer Research Institute, Zhejiang Cancer Hospital, Zhejiang Cancer Center, Hangzhou, Zhejiang 310022, China.,Zhejiang Key Laboratory of Diagnosis and Treatment Technology on Thoracic Oncology (Lung and Esophagus), Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, China
| | - Zhiming Jiang
- Zhejiang Cancer Research Institute, Zhejiang Cancer Hospital, Zhejiang Cancer Center, Hangzhou, Zhejiang 310022, China.,Zhejiang Key Laboratory of Radiation Oncology, Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, China
| | - Jianguo Feng
- Zhejiang Cancer Research Institute, Zhejiang Cancer Hospital, Zhejiang Cancer Center, Hangzhou, Zhejiang 310022, China.,Zhejiang Key Laboratory of Diagnosis and Treatment Technology on Thoracic Oncology (Lung and Esophagus), Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, China
| | | | - Junzhou Wu
- Zhejiang Cancer Research Institute, Zhejiang Cancer Hospital, Zhejiang Cancer Center, Hangzhou, Zhejiang 310022, China.,Zhejiang Key Laboratory of Diagnosis and Treatment Technology on Thoracic Oncology (Lung and Esophagus), Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, China
| | - Wei Chen
- Zhejiang Cancer Research Institute, Zhejiang Cancer Hospital, Zhejiang Cancer Center, Hangzhou, Zhejiang 310022, China.,Zhejiang Key Laboratory of Radiation Oncology, Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, China
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31
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Shi Q, Boots AW, Maas L, Veith C, van Kuijk K, Haenen GR, Godschalk RW, Van Schooten FJ. Effect of interleukin (IL)-8 on benzo[a]pyrene metabolism and DNA damage in human lung epithelial cells. Toxicology 2017; 381:64-74. [PMID: 28238931 DOI: 10.1016/j.tox.2017.02.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Accepted: 02/22/2017] [Indexed: 01/02/2023]
Abstract
It has been well established that inflammation and concurrent mutagenic exposures drive the carcinogenic process in a synergistic way. To elucidate the role of the inflammatory cytokine IL-8 in this process, we studied its effect on the activation and deactivation of the chemical mutagen benzo[a]pyrene B[a]P in the immortalized pulmonary BEAS-2B cell line. After 24h incubation with B[a]P in the presence or absence of IL-8, the B[a]P induced cytochrome P450 1A1 and 1B1 (CYP1A1 and CYP1B1) gene expression and CYP1A1 enzyme activity was significantly higher in the presence of the cytokine. Consistent with these findings, we observed higher concentration of the metabolite B[a]P-7,8-diol under concurrent IL-8 treatment conditions. Interestingly, we also found higher concentrations of unmetabolized B[a]P. To explain this, we examined the downstream effects of IL-8 on NADPH oxidases (NOXes). IL-8 lowered the intracellular NADPH level, but this effect could not explain the changes in B[a]P metabolism. IL-8 also significantly depleted intracellular glutathione (GSH), which also resulted in enhanced levels of unmetabolized B[a]P, but increased concentrations of the metabolite B[a]P-7,8-diol. No differences in B[a]P-DNA adducts level were found between B[a]P and B[a]P combined with IL-8, and this might be due to a 3-fold increase in nucleotide excision repair (NER) after IL-8 treatment. These findings suggest that IL-8 increased the formation of B[a]P-7,8-diol despite an overall delayed B[a]P metabolism via depletion of GSH, but DNA damage levels were unaffected due to an increase in NER capacity.
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Affiliation(s)
- Q Shi
- Departement of Pharmacology & Toxicology, NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University, PO Box 616, 6200 MD, Maastricht, The Netherlands
| | - A W Boots
- Departement of Pharmacology & Toxicology, NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University, PO Box 616, 6200 MD, Maastricht, The Netherlands
| | - L Maas
- Departement of Pharmacology & Toxicology, NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University, PO Box 616, 6200 MD, Maastricht, The Netherlands
| | - C Veith
- Departement of Pharmacology & Toxicology, NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University, PO Box 616, 6200 MD, Maastricht, The Netherlands
| | - K van Kuijk
- Departement of Pharmacology & Toxicology, NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University, PO Box 616, 6200 MD, Maastricht, The Netherlands
| | - G R Haenen
- Departement of Pharmacology & Toxicology, NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University, PO Box 616, 6200 MD, Maastricht, The Netherlands
| | - R W Godschalk
- Departement of Pharmacology & Toxicology, NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University, PO Box 616, 6200 MD, Maastricht, The Netherlands
| | - F J Van Schooten
- Departement of Pharmacology & Toxicology, NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University, PO Box 616, 6200 MD, Maastricht, The Netherlands.
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Yang G, Gao X, Jiang L, Sun X, Liu X, Chen M, Yao X, Sun Q, Wang S. 6-Gingerol prevents MEHP-induced DNA damage in human umbilical vein endothelia cells. Hum Exp Toxicol 2016; 36:1177-1185. [PMID: 28988496 DOI: 10.1177/0960327116681650] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Mono (2-ethylhexyl) phthalate (MEHP) is the principal metabolite of di (2-etylhexyl) phthalate, which is widely used as a plasticizer, especially in medical devices. MEHP has toxic effects on cardiovascular system. The aim of this study was to investigate the possibility that 6-gingerol may inhibit the oxidative DNA damage of MEHP in human umbilical vein endothelial cells (HUVECs) and the potential mechanism. The comet assay was used to monitor DNA strand breaks. We have shown that 6-gingerol significantly reduced the DNA strand breaks caused by MEHP. MEHP increased the levels of reactive oxygen species and malondialdehyde, decreased the level of glutathione and activity of superoxide dismutase, and altered the mitochondrial membrane potential. In addition, DNA damage-associated proteins (p53 and p-Chk2 (T68)) were significantly increased by the treatment of MEHP. Those effects can all be protected by 6-gingerol. The results firmly indicate that 6-gingerol may have a strong protective ability against the DNA damage caused by MEHP in HUVECs, and the mechanism may relate to the antioxidant activity.
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Affiliation(s)
- G Yang
- 1 Department of Food Nutrition and Safety, Dalian Medical University, Dalian, China
| | - X Gao
- 2 Department of Cardiology, First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - L Jiang
- 3 Liaoning Anti-degenerative Diseases Natural Products Engineering Technology Research Center, Dalian Medical University, Dalian, China
| | - X Sun
- 3 Liaoning Anti-degenerative Diseases Natural Products Engineering Technology Research Center, Dalian Medical University, Dalian, China
| | - X Liu
- 1 Department of Food Nutrition and Safety, Dalian Medical University, Dalian, China
| | - M Chen
- 1 Department of Food Nutrition and Safety, Dalian Medical University, Dalian, China
| | - X Yao
- 3 Liaoning Anti-degenerative Diseases Natural Products Engineering Technology Research Center, Dalian Medical University, Dalian, China
| | - Q Sun
- 4 Division of Environmental Health Sciences, College of Public Health, The Ohio State University, Columbus, Ohio, USA
| | - S Wang
- 2 Department of Cardiology, First Affiliated Hospital of Dalian Medical University, Dalian, China
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N-acetylcysteine attenuates intrauterine growth retardation-induced hepatic damage in suckling piglets by improving glutathione synthesis and cellular homeostasis. Eur J Nutr 2016; 57:327-338. [DOI: 10.1007/s00394-016-1322-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Accepted: 09/29/2016] [Indexed: 01/05/2023]
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34
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Serra J, Marschoff E, Domínguez R. Oxidative stress in neurological disease: Is it the cause, consequence, or trigger of a chronic progressive form? NEUROLOGÍA (ENGLISH EDITION) 2016. [DOI: 10.1016/j.nrleng.2016.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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35
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Serra J, Marschoff E, Domínguez R. Estrés oxidativo en la enfermedad neurológica. ¿Es causa, consecuencia o induce una forma crónica progresiva? Neurologia 2016; 31:420-1. [DOI: 10.1016/j.nrl.2014.10.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2014] [Accepted: 10/31/2014] [Indexed: 11/26/2022] Open
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Garg G, Singh S, Singh AK, Rizvi SI. Metformin Alleviates Altered Erythrocyte Redox Status During Aging in Rats. Rejuvenation Res 2016; 20:15-24. [PMID: 27185159 DOI: 10.1089/rej.2016.1826] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Metformin, a biguanide drug commonly used to treat type 2 diabetes, has been noted to function as a caloric restriction mimetic. Its antidiabetic effect notwithstanding, metformin is currently being considered an antiaging drug candidate, although the molecular mechanisms have not yet been unequivocally established. This study aims to examine whether short-term metformin treatment can provide protective effects against oxidative stress in young and old-age rats. Young (age 4 months) and old (age 24 months) male Wistar rats were treated with metformin (300 mg/kg b.w.) for 4 weeks. At the end of the treatment period, an array of biomarkers of oxidative stress were evaluated, including plasma antioxidant capacity measured in terms of ferric reducing ability of plasma (FRAP), reactive oxygen species (ROS), lipid peroxidation (MDA), reduced glutathione (GSH), total plasma thiol (SH), plasma membrane redox system (PMRS), protein carbonyl (PCO), advanced oxidation protein products (AOPPs), and advanced glycation end products (AGEs) in control and experimental groups. Metformin treatment resulted in an increase in FRAP, GSH, SH, and PMRS activities in both age groups compared to respective controls. On the other hand, treated groups exhibited significant reductions in ROS, MDA, PCO, AOPP, and AGE level. Save for FRAP and protein carbonyl, the effect of metformin on all other parameters was more pronounced in old-aged rats. Metformin caused a significant increase in the PMRS activity in young rats, however, the effect was less pronounced in old rats. These findings provide evidence with respect to restoration of antioxidant status in aged rats after short-term metformin treatment. The findings substantiate the putative antiaging role of metformin.
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Affiliation(s)
- Geetika Garg
- Department of Biochemistry, Faculty of Science, University of Allahabad , Allahabad, India
| | - Sandeep Singh
- Department of Biochemistry, Faculty of Science, University of Allahabad , Allahabad, India
| | - Abhishek Kumar Singh
- Department of Biochemistry, Faculty of Science, University of Allahabad , Allahabad, India
| | - Syed Ibrahim Rizvi
- Department of Biochemistry, Faculty of Science, University of Allahabad , Allahabad, India
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Hosseini-Zijoud SM, Ebadi SA, Goodarzi MT, Hedayati M, Abbasalipourkabir R, Mahjoob MP, Poorolajal J, Zicker F, Sheikh N. Lipid Peroxidation and Antioxidant Status in Patients with Medullary Thyroid Carcinoma: A Case-Control Study. J Clin Diagn Res 2016; 10:BC04-7. [PMID: 27042443 DOI: 10.7860/jcdr/2016/17854.7202] [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] [Received: 11/15/2015] [Accepted: 12/16/2015] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Oxidative stress or oxidant/antioxidant imbalance has a crucial role in the pathogenesis of some diseases like cancer. Medullary thyroid carcinoma (MTC) originates in the thyroid parafollicular cells and includes 3-4% of the malignant neoplasms that have an effect on this gland. The aetiology of MTC has not been clarified. However, oxidative stress may be one of the factors involved. AIM The aim of the current study was to evaluate the antioxidant enzyme activity of catalase (CAT), Glutathione (GSH), total antioxidant capacity (TAC) and the levels of the lipid peroxidation product malondialdehyde (MDA) in blood samples of MTC patients as compared to healthy controls. MATERIALS AND METHODS A case-control study was designed enrolling patients with confirmed MTC diagnosis and age-and sex group matched healthy volunteers referred to the clinic of the Research Institute for Endocrine Sciences, Tehran, Iran from April 2013 to July 2015. Fasting blood samples were taken for study. Catalase, GSH, MDA and TAC levels were measured by colorimetry using commercial kits (ZellBio GmbH, Germany). Data were analysed using SPSS 17 software, comparing mean±SD through t-test and difference between proportions through chi-square. RESULTS No statistical difference was observed in the demographic characteristic between cases and controls. The final MTC group included 40 males and 45 females with a mean age of 30±12.9 year, and the control group 40 males and 47 females, with a mean age of 31.2±12.3 year. Anthropometric parameters, dietary and thyroid hormones levels (T3, T4 and TSH) were similar. Serum TAC (p=0.015), GSH (p=0.029) and CAT (p<0.001) levels were found to be significantly lower in the MTC patients, while serum MDA levels were significantly higher in MTC patients than controls (p<0.001). CONCLUSION These preliminary findings suggest that oxidant/antioxidant imbalance may be associated with or possibly indicate an increased risk to medullary thyroid carcinoma. Further studies are needed to explore these findings.
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Affiliation(s)
- Seyed-Mostafa Hosseini-Zijoud
- Ph.D. Candidate in Clinical Biochemistry, Department of Biochemistry, School of Medicine, Hamadan University of Medical Sciences , Hamadan, Iran
| | - Seyed Alireza Ebadi
- Associate Professor of Endocinology, Department of Internal Medicine, Faculty of Medicine, Shahid Beheshti University of Medical Sciences , Tehran, Iran
| | - Mohammad Taghi Goodarzi
- Professor of Clinical Biochemistry, Department of Biochemistry, School of Medicine, Hamadan University of Medical Sciences , Hamadan, Iran
| | - Mehdi Hedayati
- Associate Professor of Biochemistry, Cellular and Molecular Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences , Tehran, Iran
| | - Roghayeh Abbasalipourkabir
- Assistant Professor, Department of Clinical Biochemistry, Department of Biochemistry, School of Medicine, Hamadan University of Medical Sciences , Hamadan, Iran
| | - Mohammad Parsa Mahjoob
- Assistant Professor, Department of Cardiology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences , Tehran, Iran
| | - Jalal Poorolajal
- Associate Professor of Epidemiology, Research Center for Health Sciences and Department of Epidemiology, School of Public Heath, Hamadan University of Medical Sciences , Hamadan, Iran
| | - Fabio Zicker
- Professor of Epidemiology, Center for Technological Development in Health, Oswaldo Cruz Foundation , Rio de Janeiro, Brazil
| | - Nasrin Sheikh
- Professor of Clinical Biochemistry, Department of Biochemistry, School of Medicine, Hamadan University of Medical Sciences , Hamadan, Iran
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Cao F, Ju E, Liu C, Pu F, Ren J, Qu X. Coupling a DNA–ligand ensemble with Ag cluster formation for the label-free and ratiometric detection of intracellular biothiols. Chem Commun (Camb) 2016; 52:5167-70. [DOI: 10.1039/c5cc10606k] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
A smart nanoprobe was constructed by coupling a DNA–ligand ensemble with Ag cluster formation for the ratiometric detection of intracellular biothiols.
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Affiliation(s)
- Fangfang Cao
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resources Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
| | - Enguo Ju
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resources Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
| | - Chaoqun Liu
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resources Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
| | - Fang Pu
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resources Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
| | - Jinsong Ren
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resources Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
| | - Xiaogang Qu
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resources Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
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Kumar CG, Poornachandra Y, Chandrasekhar C. Green synthesis of bacterial mediated anti-proliferative gold nanoparticles: inducing mitotic arrest (G2/M phase) and apoptosis (intrinsic pathway). NANOSCALE 2015; 7:18738-18750. [PMID: 26503300 DOI: 10.1039/c5nr04577k] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The physiochemical and biological properties of microbial derived gold nanoparticles have potential applications in various biomedical domains as well as in cancer therapy. We have fabricated anti-proliferative bacterial mediated gold nanoparticles (b-Au NPs) using a culture supernatant of Streptomyces clavuligerus and later characterized them by UV-visible, TEM, DLS, XRD and FT-IR spectroscopic techniques. The capping agent responsible for the nanoparticle formation was characterized based on SDS-PAGE and MALDI-TOF-MS analyses. They were tested for anticancer activity in A549, HeLa and DU145 cell lines. The biocompatibility and non-toxic nature of the nanoparticles were tested on normal human lung cell line (MRC-5). The b-Au NPs induced the cell cycle arrest in G2/M phase and also inhibited the microtubule assembly in DU145 cells. Mechanistic studies, such as ROS, MMP, Cyt-c, GSH, caspases 9, 8 and 3 activation and the Annexin V-FITC staining, along with the above parameters tested provided sufficient evidence that the b-Au NPs induced apoptosis through the intrinsic pathway. The results supported the use of b-Au NPs for future therapeutic application in cancer therapy and other biomedical applications.
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Affiliation(s)
- C Ganesh Kumar
- Medicinal Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500007, India.
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The Tumorigenic Roles of the Cellular REDOX Regulatory Systems. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2016:8413032. [PMID: 26682014 PMCID: PMC4670861 DOI: 10.1155/2016/8413032] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2015] [Accepted: 08/10/2015] [Indexed: 02/07/2023]
Abstract
The cellular REDOX regulatory systems play a central role in maintaining REDOX homeostasis that is crucial for cell integrity, survival, and proliferation. To date, a substantial amount of data has demonstrated that cancer cells typically undergo increasing oxidative stress as the tumor develops, upregulating these important antioxidant systems in order to survive, proliferate, and metastasize under these extreme oxidative stress conditions. Since a large number of chemotherapeutic agents currently used in the clinic rely on the induction of ROS overload or change of ROS quality to kill the tumor, the cancer cell REDOX adaptation represents a significant obstacle to conventional chemotherapy. In this review we will first examine the different factors that contribute to the enhanced oxidative stress generally observed within the tumor microenvironment. We will then make a comprehensive assessment of the current literature regarding the main antioxidant proteins and systems that have been shown to be positively associated with tumor progression and chemoresistance. Finally we will make an analysis of commonly used chemotherapeutic drugs that induce ROS. The current knowledge of cancer cell REDOX adaptation raises the issue of developing novel and more effective therapies for these tumors that are usually resistant to conventional ROS inducing chemotherapy.
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Mitochondrial thioredoxin reductase regulates major cytotoxicity pathways of proteasome inhibitors in multiple myeloma cells. Leukemia 2015. [PMID: 26205085 DOI: 10.1038/leu.2015.190] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
It is generally accepted that intracellular oxidative stress induced by proteasome inhibitors is a byproduct of endoplasmic reticulum (ER) stress. Here we report a mechanism underlying the ability of proteasome inhibitors bortezomib (BTZ) and carfilzomib (CFZ) to directly induce oxidative and ER stresses in multiple myeloma (MM) cells via transcriptional repression of a gene encoding mitochondrial thioredoxin reductase (TXNRD2). TXNRD2 is critical for maintenance of intracellular red-ox status and detoxification of reactive oxygen species. Depletion of TXNRD2 to the levels detected in BTZ- or CFZ-treated cells causes oxidative stress, ER stress and death similar to those induced by proteasome inhibitors. Reciprocally, restoration of near-wildtype TXNRD2 amounts in MM cells treated with proteasome inhibitors reduces oxidative stress, ER stress and cell death by ~46%, ~35% and ~50%, respectively, compared with cells with unrestored TXNRD2 levels. Moreover, cells from three MM cell lines selected for resistance to BTZ demonstrate elevated levels of TXNRD2, indirectly confirming its functional role in BTZ resistance. Accordingly, ectopic expression of TXNRD2 in MM cell xenografts in immunocompromised mice blunts therapeutic effects of BTZ. Our data identify TXNRD2 as a potentially clinically relevant target, inhibition of which is critical for proteasome inhibitor-dependent cytotoxicity, oxidative stress and ER stress.
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Waly MI, Al-Attabi Z, Guizani N. Low Nourishment of Vitamin C Induces Glutathione Depletion and Oxidative Stress in Healthy Young Adults. Prev Nutr Food Sci 2015; 20:198-203. [PMID: 26451357 DOI: 10.3746/pnf.2015.20.3.198] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 08/18/2015] [Indexed: 01/08/2023] Open
Abstract
The present study was conducted to assess the status of vitamin C among healthy young adults in relation to serum antioxidant parameters [glutathione (GSH), thiols, and total antioxidant capacity, (TAC)], and oxidative stress markers [malondialdehyde (MDA), and nitrites plus nitrates (NN)]. A prospective study included 200 young adults, and their dietary intake was assessed by using food diaries. Fasting plasma vitamin C, serum levels of GSH, thiols, TAC, MDA, and NN were measured using biochemical assays. It was observed that 38% of the enrolled subjects, n=76, had an adequate dietary intake of vitamin C (ADI group). Meanwhile, 62%, n=124, had a low dietary intake of vitamin C (LDI group) as compared to the recommended dietary allowances. The fasting plasma level of vitamin C was significantly higher in the ADI group as compared to the LDI group. Oxidative stress in the sera of the LDI group was evidenced by depletion of GSH, low thiols levels, impairment of TAC, an elevation of MDA, and increased NN. In the ADI group, positive correlations were found between plasma vitamin C and serum antioxidant parameters (GSH, thiols, and TAC). Meanwhile, the plasma vitamin C was negatively correlated with serum MDA and NN levels. This study reveals a significant increase of oxidative stress status and reduced antioxidant capacity in sera from healthy young adults with low intake of the dietary antioxidant, vitamin C.
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Affiliation(s)
- Mostafa I Waly
- Department of Food Science and Nutrition, College of Agricultural and Marine Sciences, Sultan Qaboos University, Muscat 123, Sultanate of Oman
| | - Zahir Al-Attabi
- Department of Food Science and Nutrition, College of Agricultural and Marine Sciences, Sultan Qaboos University, Muscat 123, Sultanate of Oman
| | - Nejib Guizani
- Department of Food Science and Nutrition, College of Agricultural and Marine Sciences, Sultan Qaboos University, Muscat 123, Sultanate of Oman
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Cullen S, Ponnappan S, Ponnappan U. Redox-regulated pathway of tyrosine phosphorylation underlies NF-κB induction by an atypical pathway independent of the 26S proteasome. Biomolecules 2015; 5:95-112. [PMID: 25671697 PMCID: PMC4384113 DOI: 10.3390/biom5010095] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Revised: 11/25/2014] [Accepted: 01/28/2015] [Indexed: 12/21/2022] Open
Abstract
Alternative redox stimuli such as pervanadate or hypoxia/reoxygenation, induce transcription factor NF-κB by phospho-tyrosine-dependent and proteasome-independent mechanisms. While considerable attention has been paid to the absence of proteasomal regulation of tyrosine phosphorylated IκBα, there is a paucity of information regarding proteasomal regulation of signaling events distinct from tyrosine phosphorylation of IκBα. To delineate roles for the ubiquitin-proteasome pathway in the phospho-tyrosine dependent mechanism of NF-κB induction, we employed the proteasome inhibitor, Aclacinomycin, and the phosphotyrosine phosphatase inhibitor, pervanadate (PV). Results from these studies demonstrate that phospho-IκBα (Tyr-42) is not subject to proteasomal degradation in a murine stromal epithelial cell line, confirming results previously reported. Correspondingly, proteasome inhibition had no discernable effect on the key signaling intermediaries, Src and ERK1/2, involved in the phospho-tyrosine mechanisms regulating PV-mediated activation of NF-κB. Consistent with previous reports, a significant redox imbalance leading to the activation of tyrosine kinases, as occurs with pervanadate, is required for the induction of NF-κB. Strikingly, our studies demonstrate that proteasome inhibition can potentiate oxidative stress associated with PV-stimulation without impacting kinase activation, however, other cellular implications for this increase in intracellular oxidation remain to be fully delineated.
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Affiliation(s)
- Sarah Cullen
- Department of Microbiology and Immunology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA.
| | - Subramaniam Ponnappan
- Department of Geriatrics, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA.
| | - Usha Ponnappan
- Department of Microbiology and Immunology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA.
- Department of Geriatrics, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA.
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Carozzi VA, Canta A, Chiorazzi A. Chemotherapy-induced peripheral neuropathy: What do we know about mechanisms? Neurosci Lett 2014; 596:90-107. [PMID: 25459280 DOI: 10.1016/j.neulet.2014.10.014] [Citation(s) in RCA: 284] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Accepted: 10/09/2014] [Indexed: 12/14/2022]
Abstract
Cisplatin, oxaliplatin, paclitaxel, vincristine and bortezomib are some of the most effective drugs successfully employed (alone or in combinations) as first-line treatment for common cancers. However they often caused severe peripheral neurotoxicity and neuropathic pain. Structural deficits in Dorsal Root Ganglia and sensory nerves caused symptoms as sensory loss, paresthesia, dysaesthesia and numbness that result in patient' suffering and also limit the life-saving therapy. Several scientists have explored the various mechanisms involved in the onset of chemotherapy-related peripheral neurotoxicity identifying molecular targets useful for the development of selected neuroprotective strategies. Dorsal Root Ganglia sensory neurons, satellite cells, Schwann cells, as well as neuronal and glial cells in the spinal cord, are the preferential sites in which chemotherapy neurotoxicity occurs. DNA damage, alterations in cellular system repairs, mitochondria changes, increased intracellular reactive oxygen species, alterations in ion channels, glutamate signalling, MAP-kinases and nociceptors ectopic activation are among the events that trigger the onset of peripheral neurotoxicity and neuropathic pain. In the present work we review the role of the main players in determining the pathogenesis of anticancer drugs-induced peripheral neuropathy.
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Affiliation(s)
- V A Carozzi
- Department of Surgery and Translational Medicine, University of Milan-Bicocca, Monza, Italy.
| | - A Canta
- Department of Surgery and Translational Medicine, University of Milan-Bicocca, Monza, Italy
| | - A Chiorazzi
- Department of Surgery and Translational Medicine, University of Milan-Bicocca, Monza, Italy
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Abstract
Pentose phosphate (PP) pathway, which is ubiquitously present in all living organisms, is one of the major metabolic pathways associated with glucose metabolism. The most important functions of this pathway includes the generation of reducing equivalents in the form of NADPH for reductive biosynthesis, and production of ribose sugars for the biosynthesis of nucleotides, amino acids, and other macromolecules required by all living cells. Under normal conditions of growth, PP pathway is important for cell cycle progression, myelin formation, and the maintenance of the structure and function of brain, liver, cortex and other organs. Under diseased conditions, such as in cases of many metabolic, neurological or malignant diseases, pathological mechanisms augment due to defects in the PP pathway genes. Adoption of alternative metabolic pathways by cells that are metabolically abnormal, or malignant cells that are resistant to chemotherapeutic drugs often plays important roles in disease progression and severity. Accordingly, the PP pathway has been suggested to play critical roles in protecting cancer or abnormal cells by providing reduced environment, to protect cells from oxidative damage and generating structural components for nucleic acids biosynthesis. Novel drugs that targets one or more components of the PP pathway could potentially serve to overcome challenges associated with currently available therapeutic options for many metabolic and non-metabolic diseases. However, careful designing of drugs is critical that takes into the accounts of cell’s broader genomic, proteomic and metabolic contexts under consideration, in order to avoid undesirable side-effects. In this review, we discuss the role of PP pathway under normal and abnormal physiological conditions and the potential of the PP pathway as a target for new drug development to treat metabolic and non-metabolic diseases.
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Díaz-Hung ML, Blanco L, Pavón N, León R, Estupiñan B, Orta E, Martínez K, Fernández I. Sensory-motor performance after acute glutathione depletion by L-buthionine sulfoximine injection into substantia nigra pars compacta. Behav Brain Res 2014; 271:286-93. [PMID: 24912031 DOI: 10.1016/j.bbr.2014.05.066] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2014] [Revised: 05/26/2014] [Accepted: 05/30/2014] [Indexed: 11/28/2022]
Abstract
Glutathione is the major antioxidant in the living cells. Its deficit has been linked to neurodegenerative disorders as Parkinson's disease but its role in the etiology of nigral degeneration and sensory-motor performance has been poorly explored. To evaluate the effect of glutathione depletion on nigro-striatal oxidative metabolism and sensory-motor performance in rats, l-buthionine sulfoximine (15 mM) or saline solution was injected into substantia nigra pars compacta (SNpc). Then, oxidative metabolism was studied 24h and 7 days later in SNpc and corpus striatum (CS). Tyrosine hydroxylase and GFAP immunohistochemistry assays were carried out at 7 days. In addition, animals were evaluated in open field, adhesive removal, staircase and traverse beam tests. Glutathione depletion induced compensatory response in catalase activity and glial response in the in SNpc and no oxidative damage was observed. However, a loss in dopaminergic cells was found. At the same time, animals with glutathione depletion have shown poor performance in behavioral tests except for staircase test. These results suggest that glutathione depletion can be related to sensory-motor dysfunction.
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Affiliation(s)
- Mei-Li Díaz-Hung
- International Center for Neurological Restoration, Havana, Cuba.
| | - Lisette Blanco
- International Center for Neurological Restoration, Havana, Cuba
| | - Nancy Pavón
- International Center for Neurological Restoration, Havana, Cuba
| | - Rilda León
- International Center for Neurological Restoration, Havana, Cuba
| | | | - Eduardo Orta
- International Center for Neurological Restoration, Havana, Cuba
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Targeting MUC1-C is synergistic with bortezomib in downregulating TIGAR and inducing ROS-mediated myeloma cell death. Blood 2014; 123:2997-3006. [PMID: 24632713 DOI: 10.1182/blood-2013-11-539395] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The proteosome inhibitor bortezomib (BTZ) induces endoplasmic reticulum and oxidative stress in multiple myeloma (MM) cells. The mucin 1 C-terminal subunit (MUC1-C) oncoprotein is aberrantly expressed in most MM cells, and targeting MUC1-C with GO-203, a cell-penetrating peptide inhibitor of MUC1-C homodimerization, is effective in inducing reactive oxygen species (ROS)-mediated MM cell death. The present results demonstrate that GO-203 and BTZ synergistically downregulate expression of the p53-inducible regulator of glycolysis and apoptosis (TIGAR), which promotes shunting of glucose-6-phosphate into the pentose phosphate pathway to generate reduced glutathione (GSH). In turn, GO-203 blocks BTZ-induced increases in GSH and results in synergistic increases in ROS and MM cell death. The results also demonstrate that GO-203 is effective against BTZ-resistant MM cells. We show that BTZ resistance is associated with BTZ-induced increases in TIGAR and GSH levels, and that GO-203 resensitizes BTZ-resistant cells to BTZ treatment by synergistically downregulating TIGAR and GSH. The GO-203/BTZ combination is thus highly effective in killing BTZ-resistant MM cells. These findings support a model in which targeting MUC1-C is synergistic with BTZ in suppressing TIGAR-mediated regulation of ROS levels and provide an experimental rationale for combining GO-203 with BTZ in certain settings of BTZ resistance.
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Ludwig G, Ranđelović I, Maksimović-Ivanić D, Mijatović S, Bulatović MZ, Miljković D, Korb M, Lang H, Steinborn D, Kaluđerović GN. Anticancer potential of (pentamethylcyclopentadienyl)chloridoiridium(III) complexes bearing κP and κP,κS-coordinated Ph2 PCH2 CH2 CH2 S(O)x Ph (x=0-2) ligands. ChemMedChem 2014; 9:1586-93. [PMID: 24470190 DOI: 10.1002/cmdc.201300479] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2013] [Indexed: 11/10/2022]
Abstract
Iridium(III) complexes of the type [Ir(η(5) -C5 Me5 )Cl2 {Ph2 PCH2 CH2 CH2 S(O)x Ph-κP}] (x=0-2; 1-3) and [Ir(η(5) -C5 Me5 )Cl{Ph2 PCH2 CH2 CH2 S(O)x Ph-κP,κS}][PF6 ] (x=0-1; 4 and 5) with 3-(diphenylphosphino)propyl phenyl sulfide, sulfoxide, and sulfone ligands Ph2 PCH2 CH2 CH2 S(O)x Ph were designed, synthesized, and characterized fully, including X-ray diffraction analyses for complexes 3 and 4. In vitro studies against human thyroid carcinoma (8505C), submandibular carcinoma (A253), breast adenocarcinoma (MCF-7), colon adenocarcinoma (SW480), and melanoma (518A2) cell lines provided evidence for the high biological potential of the neutral and cationic iridium(III) complexes. Neutral iridium(III) complex 5 proved to be the most active, with IC50 values up to about 0.1 μM, representing activities of up to one order of magnitude higher than cisplatin. Using 8505C cells, apoptosis was shown to be the main mechanism through which complex 5 exerts its tumoricidal action. The described iridium(III) complexes represent potential leads in the search for novel metal-based anticancer agents.
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Affiliation(s)
- Gerd Ludwig
- Institute of Chemistry, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Straße 2, 06120 Halle (Germany)
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Scumpia PO, Kelly-Scumpia K, Stevens BR. Alpha-lipoic acid effects on brain glial functions accompanying double-stranded RNA antiviral and inflammatory signaling. Neurochem Int 2013; 64:55-63. [PMID: 24269587 DOI: 10.1016/j.neuint.2013.11.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Revised: 10/23/2013] [Accepted: 11/03/2013] [Indexed: 12/19/2022]
Abstract
Double-stranded RNAs (dsRNA) serve as viral ligands that trigger innate immunity in astrocytes and microglial, as mediated through Toll-like receptor 3 (TLR3) and dsRNA-dependent protein kinase (PKR). Beneficial transient TLR3 and PKR anti-viral signaling can become deleterious when events devolve into inflammation and cytotoxicity. Viral products in the brain cause glial cell dysfunction, and are a putative etiologic factor in neuropsychiatric disorders, notably schizophrenia, bipolar disorder, Parkinson's, and autism spectrum. Alpha-lipoic acid (LA) has been proposed as a possible therapeutic neuroprotectant. The objective of this study was to test our hypothesis that LA can control untoward antiviral mechanisms associated with neural dysfunction. Utilizing rat brain glial cultures (91% astrocytes:9% microglia) treated with PKR- and TLR3-ligand/viral mimetic dsRNA, polyinosinic-polycytidylic acid (polyI:C), we report in vitro glial antiviral signaling and LA reduction of the effects of this signaling. LA blunted the dsRNA-stimulated expression of IFNα/β-inducible genes Mx1, PKR, and TLR3. And in polyI:C treated cells, LA promoted gene expression of rate-limiting steps that benefit healthy neural redox status in glutamateric systems. To this end, LA decreased dsRNA-induced inflammatory signaling by downregulating IL-1β, IL-6, TNFα, iNOS, and CAT2 transcripts. In the presence of polyI:C, LA prevented cultured glial cytotoxicity which was correlated with increased expression of factors known to cooperatively control glutamate/cystine/glutathione redox cycling, namely glutamate uptake transporter GLAST/EAAT1, γ-glutamyl cysteine ligase catalytic and regulatory subunits, and IL-10. Glutamate exporting transporter subunits 4F2hc and xCT were downregulated by LA in dsRNA-stimulated glia. l-Glutamate net uptake was inhibited by dsRNA, and this was relieved by LA. Glutathione synthetase mRNA levels were unchanged by dsRNA or LA. This study demonstrates the protective effects of LA in astroglial/microglial cultures, and suggests the potential for LA efficacy in virus-induced CNS pathologies, with the caveat that antiviral benefits are concomitantly blunted. It is concluded that LA averts key aspects of TLR3- and PKR-provoked glial dysfunction, and provides rationale for exploring LA in whole animal and human clinical studies to blunt or avert neuropsychiatric disorders.
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Affiliation(s)
- Philip O Scumpia
- University of Florida, College of Medicine, Department of Physiology and Functional Genomics, USA
| | - Kindra Kelly-Scumpia
- University of Florida, College of Medicine, Department of Physiology and Functional Genomics, USA
| | - Bruce R Stevens
- University of Florida, College of Medicine, Department of Physiology and Functional Genomics, USA.
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