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Rossi F, Molnar C, Hashiyama K, Heinen JP, Pampalona J, Llamazares S, Reina J, Hashiyama T, Rai M, Pollarolo G, Fernández-Hernández I, Gonzalez C. An in vivo genetic screen in Drosophila identifies the orthologue of human cancer/testis gene SPO11 among a network of targets to inhibit lethal(3)malignant brain tumour growth. Open Biol 2018; 7:rsob.170156. [PMID: 28855394 PMCID: PMC5577452 DOI: 10.1098/rsob.170156] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2017] [Accepted: 07/27/2017] [Indexed: 12/31/2022] Open
Abstract
Using transgenic RNAi technology, we have screened over 4000 genes to identify targets to inhibit malignant growth caused by the loss of function of lethal(3)malignant brain tumour in Drosophila in vivo. We have identified 131 targets, which belong to a wide range of gene ontologies. Most of these target genes are not significantly overexpressed in mbt tumours hence showing that, rather counterintuitively, tumour-linked overexpression is not a good predictor of functional requirement. Moreover, we have found that most of the genes upregulated in mbt tumours remain overexpressed in tumour-suppressed double-mutant conditions, hence revealing that most of the tumour transcriptome signature is not necessarily correlated with malignant growth. One of the identified target genes is meiotic W68 (mei-W68), the Drosophila orthologue of the human cancer/testis gene Sporulation-specific protein 11 (SPO11), the enzyme that catalyses the formation of meiotic double-strand breaks. We show that Drosophila mei-W68/SPO11 drives oncogenesis by causing DNA damage in a somatic tissue, hence providing the first instance in which a SPO11 orthologue is unequivocally shown to have a pro-tumoural role. Altogether, the results from this screen point to the possibility of investigating the function of human cancer relevant genes in a tractable experimental model organism like Drosophila.
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Affiliation(s)
- Fabrizio Rossi
- Cell Division Group, Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028 Barcelona, Spain
| | - Cristina Molnar
- Cell Division Group, Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028 Barcelona, Spain
| | - Kazuya Hashiyama
- Cell Division Group, Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028 Barcelona, Spain
| | - Jan P Heinen
- Cell Division Group, Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028 Barcelona, Spain
| | - Judit Pampalona
- Cell Division Group, Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028 Barcelona, Spain
| | - Salud Llamazares
- Cell Division Group, Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028 Barcelona, Spain
| | - José Reina
- Cell Division Group, Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028 Barcelona, Spain
| | - Tomomi Hashiyama
- Cell Division Group, Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028 Barcelona, Spain
| | - Madhulika Rai
- Cell Division Group, Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028 Barcelona, Spain
| | - Giulia Pollarolo
- Cell Division Group, Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028 Barcelona, Spain
| | - Ismael Fernández-Hernández
- Cell Division Group, Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028 Barcelona, Spain
| | - Cayetano Gonzalez
- Cell Division Group, Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028 Barcelona, Spain .,Institució Catalana de Recerca i Estudis Avançats (ICREA), Passeig Lluís Companys, 08010 Barcelona, Spain
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202
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Gothe Y, Romero-Canelón I, Marzo T, Sadler PJ, Messori L, Metzler-Nolte N. Synthesis and Mode of Action Studies on Iridium(I)-NHC Anticancer Drug Candidates. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800225] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yvonne Gothe
- Inorganic Chemistry I - Bioinorganic Chemistry; Faculty of Chemistry and Biochemistry; Ruhr-University Bochum; Universitätsstrasse 150 44801 Bochum Germany
| | - Isolda Romero-Canelón
- School of Pharmacy; Institute of Clinical Sciences; University of Birmingham; B15 2TT Birmingham UK
| | - Tiziano Marzo
- Department of Chemistry; University of Florence; Via della Lastruccia 3 50019 Sesto Fiorentino Italy
- Department of Chemistry and Industrial Chemistry (DCCI); University of Pisa; Via Moruzzi 13 56124 Pisa Italy
| | - Peter J. Sadler
- Department of Chemistry; University of Warwick; CV4 7AL Coventry UK
| | - Luigi Messori
- Department of Chemistry; University of Florence; Via della Lastruccia 3 50019 Sesto Fiorentino Italy
| | - Nils Metzler-Nolte
- Inorganic Chemistry I - Bioinorganic Chemistry; Faculty of Chemistry and Biochemistry; Ruhr-University Bochum; Universitätsstrasse 150 44801 Bochum Germany
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203
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Gwangwa MV, Joubert AM, Visagie MH. Crosstalk between the Warburg effect, redox regulation and autophagy induction in tumourigenesis. Cell Mol Biol Lett 2018; 23:20. [PMID: 29760743 PMCID: PMC5935986 DOI: 10.1186/s11658-018-0088-y] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Accepted: 04/27/2018] [Indexed: 02/07/2023] Open
Abstract
Tumourigenic tissue uses modified metabolic signalling pathways in order to support hyperproliferation and survival. Cancer-associated aerobic glycolysis resulting in lactic acid production was described nearly 100 years ago. Furthermore, increased reactive oxygen species (ROS) and lactate quantities increase metabolic, survival and proliferation signalling, resulting in increased tumourigenesis. In order to maintain redox balance, the cell possesses innate antioxidant defence systems such as superoxide dismutase, catalase and glutathione. Several stimuli including cells deprived of nutrients or failure of antioxidant systems result in oxidative stress and cell death induction. Among the cell death machinery is autophagy, a compensatory mechanism whereby energy is produced from damaged and/or redundant organelles and proteins, which prevents the accumulation of waste products, thereby maintaining homeostasis. Furthermore, autophagy is maintained by several pathways including phosphoinositol 3 kinases, the mitogen-activated protein kinase family, hypoxia-inducible factor, avian myelocytomatosis viral oncogene homolog and protein kinase receptor-like endoplasmic reticulum kinase. The persistent potential of cancer metabolism, redox regulation and the crosstalk with autophagy in scientific investigation pertains to its ability to uncover essential aspects of tumourigenic transformation. This may result in clinical translational possibilities to exploit tumourigenic oxidative status and autophagy to advance our capabilities to diagnose, monitor and treat cancer.
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Affiliation(s)
- Mokgadi Violet Gwangwa
- Department of Physiology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Arcadia, 0007 South Africa
| | - Anna Margaretha Joubert
- Department of Physiology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Arcadia, 0007 South Africa
| | - Michelle Helen Visagie
- Department of Physiology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Arcadia, 0007 South Africa
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204
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Smith RW, Moccia RD, Seymour CB, Mothersill CE. Irradiation of rainbow trout at early life stages results in a proteomic legacy in adult gills. Part A; proteomic responses in the irradiated fish and in non-irradiated bystander fish. ENVIRONMENTAL RESEARCH 2018; 163:297-306. [PMID: 29463416 DOI: 10.1016/j.envres.2017.12.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 12/19/2017] [Accepted: 12/24/2017] [Indexed: 06/08/2023]
Abstract
Exposure to a single 0.5 Gy X-ray dose of eggs at 48 h after fertilisation (48 h egg), eyed eggs, yolk sac larvae (YSL) and first feeders induces a legacy effect in adult rainbow trout. This includes the transmission of a bystander effect to non-irradiated adult trout which had swam with the irradiated fish. The aim of this study was to investigate this legacy by analysing the gill proteome of these irradiated and bystander fish. Irradiation at all of the early life stages resulted in changes to proteins which play a key role in development but are also known to be anti-tumorigenic and anti-oxidant: upregulation of haemoglobin subunit beta (48 h egg), haemoglobin, serum albumin 1 precursor (eyed eggs), clathrin heavy chain 1 isoform X10 (eyed eggs and first feeders), and actin-related protein 2/3 complex subunit 4 (first feeders), downregulation of pyruvate dehydrogenase, histone 1 (48 h egg), triosephosphate isomerase (TPI), collagen alpha-1(1) chain like proteins (YSL), pyruvate kinase PKM-like protein (YSL and first feeders), ubiquitin-40S ribosomal proteins S27 and eukaryotic translation initiation factor 4 A isoform 1B (first feeders). However irradiation of YSL and first feeders (post hatching early life stages) also induced proteomic changes which have a complex relationship with tumorigenesis or cancer progression; downregulation of alpha-1-antiprotease-like protein precursor, vigilin isoform X2 and nucleoside diphosphate kinase (YSL) and upregulation of hyperosmotic glycine rich protein (first feeders). In bystander fish some proteomic changes were similar to those induced by irradiation: upregulation of haemoglobin subunit beta (48 h egg), haemoglobin (eyed eggs), actin-related protein 2/3 complex subunit 4, hyperosmotic glycine rich protein (first feeders), and downregulation of alpha-1-antiprotease-like protein, vigilin isoform X2, nucleoside diphosphate kinase (YSL), pyruvate kinase PKM-like protein and ubiquitin-40S ribosomal protein S27a-like (first feeders). Other proteomic changes were unique to bystander fish; downregulation of TPI, ubiquitin-40S ribosomal protein S2 (eyed egg), cofilin-2, cold-inducible RNA-binding protein B-like isoform X3 (YSL) and superoxide dismutase (first feeder), and upregulation of haemoglobin subunit alpha, collagen 1a1 precursor, apolipoprotein A-1-1 and A-1-2 precursor (first feeders). These bystander effect proteomic changes have been shown to be overwhelmingly anti-tumorigenic or protective of the fish gill.
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Affiliation(s)
- Richard W Smith
- Department of Animal Biosciences, University of Guelph, Guelph Ontario Canada; Department of Medical Physics and Applied Radiation Sciences, McMaster University, Hamilton Ontario Canada.
| | - Richard D Moccia
- Department of Animal Biosciences, University of Guelph, Guelph Ontario Canada
| | - Colin B Seymour
- Department of Medical Physics and Applied Radiation Sciences, McMaster University, Hamilton Ontario Canada
| | - Carmel E Mothersill
- Department of Medical Physics and Applied Radiation Sciences, McMaster University, Hamilton Ontario Canada
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205
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In vivo guiding nitrogen-doped carbon nanozyme for tumor catalytic therapy. Nat Commun 2018; 9:1440. [PMID: 29650959 PMCID: PMC5897348 DOI: 10.1038/s41467-018-03903-8] [Citation(s) in RCA: 574] [Impact Index Per Article: 95.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2017] [Accepted: 03/16/2018] [Indexed: 11/26/2022] Open
Abstract
Nanomaterials with intrinsic enzyme-like activities (nanozymes), have been widely used as artificial enzymes in biomedicine. However, how to control their in vivo performance in a target cell is still challenging. Here we report a strategy to coordinate nanozymes to target tumor cells and selectively perform their activity to destruct tumors. We develop a nanozyme using nitrogen-doped porous carbon nanospheres which possess four enzyme-like activities (oxidase, peroxidase, catalase and superoxide dismutase) responsible for reactive oxygen species regulation. We then introduce ferritin to guide nitrogen-doped porous carbon nanospheres into lysosomes and boost reactive oxygen species generation in a tumor-specific manner, resulting in significant tumor regression in human tumor xenograft mice models. Together, our study provides evidence that nitrogen-doped porous carbon nanospheres are powerful nanozymes capable of regulating intracellular reactive oxygen species, and ferritinylation is a promising strategy to render nanozymes to target tumor cells for in vivo tumor catalytic therapy. If decorated with the right surface modifications, nanoparticles can function as Trojan horses, transporting cell death-facilitating compounds to tumor cells. Here, the authors prepare a particle with four enzyme-like activities and show that ferritin can direct nanoparticles to tumor cells.
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206
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Targeting Oxidatively Induced DNA Damage Response in Cancer: Opportunities for Novel Cancer Therapies. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:2389523. [PMID: 29770165 PMCID: PMC5892224 DOI: 10.1155/2018/2389523] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 01/22/2018] [Indexed: 12/17/2022]
Abstract
Cancer is a death cause in economically developed countries that results growing also in developing countries. Improved outcome through targeted interventions faces the scarce selectivity of the therapies and the development of resistance to them that compromise the therapeutic effects. Genomic instability is a typical cancer hallmark due to DNA damage by genetic mutations, reactive oxygen and nitrogen species, ionizing radiation, and chemotherapeutic agents. DNA lesions can induce and/or support various diseases, including cancer. The DNA damage response (DDR) is a crucial signaling-transduction network that promotes cell cycle arrest or cell death to repair DNA lesions. DDR dysregulation favors tumor growth as downregulated or defective DDR generates genomic instability, while upregulated DDR may confer treatment resistance. Redox homeostasis deeply and capillary affects DDR as ROS activate/inhibit proteins and enzymes integral to DDR both in healthy and cancer cells, although by different routes. DDR regulation through modulating ROS homeostasis is under investigation as anticancer opportunity, also in combination with other treatments since ROS affect DDR differently in the patients during cancer development and treatment. Here, we highlight ROS-sensitive proteins whose regulation in oxidatively induced DDR might allow for selective strategies against cancer that are better tailored to the patients.
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207
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Parrales A, McDonald P, Ottomeyer M, Roy A, Shoenen FJ, Broward M, Bruns T, Thamm DH, Weir SJ, Neville KA, Iwakuma T, Fulbright JM. Comparative oncology approach to drug repurposing in osteosarcoma. PLoS One 2018; 13:e0194224. [PMID: 29579058 PMCID: PMC5868798 DOI: 10.1371/journal.pone.0194224] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 02/27/2018] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Osteosarcoma is an orphan disease for which little improvement in survival has been made since the late 1980s. New drug discovery for orphan diseases is limited by the cost and time it takes to develop new drugs. Repurposing already approved FDA-drugs can help overcome this limitation. Another limitation of cancer drug discovery is the lack of preclinical models that accurately recapitulate what occurs in humans. For OS using dogs as a model can minimize this limitation as OS in canines develops spontaneously, is locally invasive and metastasizes to the lungs as it does in humans. METHODS In our present work we used high-throughput screens to identify drugs from a library of 2,286 FDA-approved drugs that demonstrated selective growth inhibition against both human and canine OS cell lines. The identified lead compound was then tested for synergy with 7 other drugs that have demonstrated activity against OS. These results were confirmed with in vitro assays and an in vivo murine model of OS. RESULTS We identified 13 drugs that demonstrated selective growth inhibition against both human and canine OS cell lines. Auranofin was selected for further in vitro combination drug screens. Auranofin showed synergistic effects with vorinostat and rapamycin on OS viability and apoptosis induction. Auranofin demonstrated single-agent growth inhibition in both human and canine OS xenografts, and cooperative growth inhibition was observed in combination with rapamycin or vorinostat. There was a significant decrease in Ki67-positive cells and an increase in cleaved caspase-3 levels in tumor tissues treated with a combination of auranofin and vorinostat or rapamycin. CONCLUSIONS Auranofin, alone or in combination with rapamycin or vorinostat, may be useful new treatment strategies for OS. Future studies may evaluate the efficacy of auranofin in dogs with OS as a prelude to human clinical evaluation.
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Affiliation(s)
- Alejandro Parrales
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, Kansas, United States of America
| | - Peter McDonald
- High Throughput Screening Laboratory, University of Kansas Cancer Center, University of Kansas, Lawrence, Kansas, United States of America
| | - Megan Ottomeyer
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, Kansas, United States of America
| | - Anuradha Roy
- High Throughput Screening Laboratory, University of Kansas Cancer Center, University of Kansas, Lawrence, Kansas, United States of America
- University of Kansas Cancer Center, Kansas City, Kansas, United States of America
| | - Frank J. Shoenen
- University of Kansas Cancer Center, Kansas City, Kansas, United States of America
- Biotechnology Innovation and Optimization Center, University of Kansas, Lawrence, Kansas, United States of America
| | - Melinda Broward
- University of Kansas Cancer Center, Kansas City, Kansas, United States of America
- Institute for Advancing Medical Innovation, University of Kansas Medical Center, Kansas City, Kansas, United States of America
| | - Tyce Bruns
- Institute for Advancing Medical Innovation, University of Kansas Medical Center, Kansas City, Kansas, United States of America
| | - Douglas H. Thamm
- Flint Animal Cancer Center, Colorado State University, Fort Collins, Colorado, United States of America
- University of Colorado Comprehensive Cancer Center, Aurora, Colorado, United States of America
| | - Scott J. Weir
- University of Kansas Cancer Center, Kansas City, Kansas, United States of America
- Institute for Advancing Medical Innovation, University of Kansas Medical Center, Kansas City, Kansas, United States of America
- Department of Pediatrics, University of Missouri Kansas City, Kansas City, Missouri, United States of America
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas, Kansas City, Kansas, United States of America
| | - Kathleen A. Neville
- Arkansas Children’s Hospital, Little Rock, Arkansas, United States of America
| | - Tomoo Iwakuma
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, Kansas, United States of America
- University of Kansas Cancer Center, Kansas City, Kansas, United States of America
- Division of Hematology and Oncology, Children’s Mercy Hospital and Clinics, Kansas City, Missouri, United States of America
| | - Joy M. Fulbright
- University of Kansas Cancer Center, Kansas City, Kansas, United States of America
- Department of Pediatrics, University of Missouri Kansas City, Kansas City, Missouri, United States of America
- Division of Hematology and Oncology, Children’s Mercy Hospital and Clinics, Kansas City, Missouri, United States of America
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208
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Qiu J, Fang Q, Xu T, Wu C, Xu L, Wang L, Yang X, Yu S, Zhang Q, Ding F, Sun H. Mechanistic Role of Reactive Oxygen Species and Therapeutic Potential of Antioxidants in Denervation- or Fasting-Induced Skeletal Muscle Atrophy. Front Physiol 2018; 9:215. [PMID: 29593571 PMCID: PMC5861206 DOI: 10.3389/fphys.2018.00215] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Accepted: 02/26/2018] [Indexed: 01/07/2023] Open
Abstract
Skeletal muscle atrophy occurs under various conditions, such as disuse, denervation, fasting, aging, and various diseases. Although the underlying molecular mechanisms are still not fully understood, skeletal muscle atrophy is closely associated with reactive oxygen species (ROS) overproduction. In this study, we aimed to investigate the involvement of ROS in skeletal muscle atrophy from the perspective of gene regulation, and further examine therapeutic effects of antioxidants on skeletal muscle atrophy. Microarray data showed that the gene expression of many positive regulators for ROS production were up-regulated and the gene expression of many negative regulators for ROS production were down-regulated in mouse soleus muscle atrophied by denervation (sciatic nerve injury). The ROS level was significantly increased in denervated mouse soleus muscle or fasted C2C12 myotubes that had suffered from fasting (nutrient deprivation). These two muscle samples were then treated with N-acetyl-L-cysteine (NAC, a clinically used antioxidant) or pyrroloquinoline quinone (PQQ, a naturally occurring antioxidant), respectively. As compared to non-treatment, both NAC and PQQ treatment (1) reversed the increase in the ROS level in two muscle samples; (2) attenuated the reduction in the cross-sectional area (CSA) of denervated mouse muscle or in the diameter of fasted C2C12 myotube; (3) increased the myosin heavy chain (MHC) level and decreased the muscle atrophy F-box (MAFbx) and muscle-specific RING finger-1 (MuRF-1) levels in two muscle samples. Collectively, these results suggested that an increased ROS level was, at least partly, responsible for denervation- or fasting-induced skeletal muscle atrophy, and antioxidants might resist the atrophic effect via ROS-related mechanisms.
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Affiliation(s)
- Jiaying Qiu
- Laboratory of Neuroregeneration, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Qingqing Fang
- Laboratory of Neuroregeneration, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Tongtong Xu
- School of Medicine, Nantong University, Nantong, China
| | - Changyue Wu
- School of Medicine, Nantong University, Nantong, China
| | - Lai Xu
- Laboratory of Neuroregeneration, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Lingbin Wang
- Laboratory of Neuroregeneration, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Xiaoming Yang
- Laboratory of Neuroregeneration, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Shu Yu
- Laboratory of Neuroregeneration, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Qi Zhang
- Laboratory of Neuroregeneration, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Fei Ding
- Laboratory of Neuroregeneration, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Hualin Sun
- Laboratory of Neuroregeneration, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, China
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Wang SQ, Wang C, Chang LM, Zhou KR, Wang JW, Ke Y, Yang DX, Shi HG, Wang R, Shi XL, Ma LY, Liu HM. Geridonin and paclitaxel act synergistically to inhibit the proliferation of gastric cancer cells through ROS-mediated regulation of the PTEN/PI3K/Akt pathway. Oncotarget 2018; 7:72990-73002. [PMID: 27659528 PMCID: PMC5341958 DOI: 10.18632/oncotarget.12166] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Accepted: 09/02/2016] [Indexed: 01/05/2023] Open
Abstract
Paclitaxel, a taxane, is a cytotoxic chemotherapeutic agent that targets microtubules. It has become a front-line therapy for a broad range of malignancies, including lung, breast, gastric, esophageal, and bladder carcinomas. Although paclitaxel can inhibit tumor development and improve survival, poor solubility, myelotoxicity, allergic reactions, and drug resistance have restricted its clinical application. Paclitaxel is frequently combined with other chemotherapeutics to enhance the antitumor effects and reduce side effects. We synthesized geridonin, a derivative of oridonin, and demonstrate that geridonin and paclitaxel act synergistically to inhibit the growth of gastric cancer cells. Importantly, geridonin enhanced the antitumor effects of paclitaxel without increasing toxicity in vivo. Mechanistic analysis revealed that administration of geridonin in combination with paclitaxel up-regulated the tumor suppressor PTEN and inhibited phosphorylation of Akt and MDM2. This led to the accumulation of p53 and induced apoptosis though the mitochondrial pathway. Thus, geridonin in combination with paclitaxel is a new treatment strategy for gastric cancer.
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Affiliation(s)
- Sai-Qi Wang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, P.R. China
| | - Cong Wang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, P.R. China
| | - Li-Ming Chang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, P.R. China
| | - Kai-Rui Zhou
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, P.R. China
| | - Jun-Wei Wang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, P.R. China
| | - Yu Ke
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, P.R. China
| | - Dong-Xiao Yang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, P.R. China
| | - Hong-Ge Shi
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, P.R. China
| | - Ran Wang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, P.R. China
| | - Xiao-Li Shi
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, P.R. China
| | - Li-Ying Ma
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, P.R. China
| | - Hong-Min Liu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, P.R. China
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210
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Wang J, Liu X, Qiu Y, Shi Y, Cai J, Wang B, Wei X, Ke Q, Sui X, Wang Y, Huang Y, Li H, Wang T, Lin R, Liu Q, Xiang AP. Cell adhesion-mediated mitochondria transfer contributes to mesenchymal stem cell-induced chemoresistance on T cell acute lymphoblastic leukemia cells. J Hematol Oncol 2018; 11:11. [PMID: 29357914 PMCID: PMC5778754 DOI: 10.1186/s13045-018-0554-z] [Citation(s) in RCA: 151] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Accepted: 01/12/2018] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Despite the high cure rate of T cell acute lymphoblastic leukemia (T-ALL), drug resistance to chemotherapy remains a significant clinical problem. Bone marrow mesenchymal stem cells (MSCs) protect leukemic cells from chemotherapy, but the underlying mechanisms are poorly understood. In this study, we aimed to uncover the mechanism of MSC-induced chemoresistance in T-ALL cells, thus providing a promising clinical therapy target. METHODS Cell viability was determined using the viability assay kit CCK-8. The mitochondrial ROS levels were detected using the fluorescent probe MitoSOX™ Red, and fluorescence intensity was measured by flow cytometry. In vitro, MSCs and Jurkat cells were cocultured. MSCs were labeled with green fluorescent protein (GFP), and Jurkat cells were labeled with the mitochondria-specific dye MitoTracker Red. Bidirectional mitochondrial transfer was detected by flow cytometry and confocal microscopy. The mechanism of mitochondria transfer was analyzed by inhibitor assays. Transcripts related to Jurkat cell/MSC adhesion in the coculture system were assessed by qRT-PCR. After treatment with a neutralizing antibody against a key adhesion molecule, mitochondria transfer from Jurkat cells to MSCs was again detected by flow cytometry and confocal microscopy. Finally, we verified our findings using human primary T-ALL cells cocultured with MSCs. RESULTS Chemotherapeutic drugs caused intracellular oxidative stress in Jurkat cells. Jurkat cells transfer mitochondria to MSCs but receive few mitochondria from MSCs, resulting in chemoresistance. This process of mitochondria transfer is mediated by tunneling nanotubes, which are protrusions that extend from the cell membrane . Moreover, we found that most Jurkat cells adhered to MSCs in the coculture system, which was mediated by the adhesion molecule ICAM-1. Treatment with a neutralizing antibody against ICAM-1 led to a decreased number of adhering Jurkat cells, decreased mitochondria transfer, and increased chemotherapy-induced cell death. CONCLUSIONS We show evidence that mitochondria transfer from Jurkat cells to MSCs, which is mediated by cell adhesion, may be a potential therapeutic target for T-ALL treatment.
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Affiliation(s)
- Jiancheng Wang
- Program of Stem Cells and Regenerative Medicine, Affiliated Guangzhou Women and Children's Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, 74# Zhongshan 2nd Road, Guangzhou, Guangdong, China.,Biotherapy Center, the Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Xin Liu
- Program of Stem Cells and Regenerative Medicine, Affiliated Guangzhou Women and Children's Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, 74# Zhongshan 2nd Road, Guangzhou, Guangdong, China
| | - Yuan Qiu
- Program of Stem Cells and Regenerative Medicine, Affiliated Guangzhou Women and Children's Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, 74# Zhongshan 2nd Road, Guangzhou, Guangdong, China
| | - Yue Shi
- Program of Stem Cells and Regenerative Medicine, Affiliated Guangzhou Women and Children's Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, 74# Zhongshan 2nd Road, Guangzhou, Guangdong, China
| | - Jianye Cai
- Program of Stem Cells and Regenerative Medicine, Affiliated Guangzhou Women and Children's Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, 74# Zhongshan 2nd Road, Guangzhou, Guangdong, China.,Biotherapy Center, the Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Boyan Wang
- Program of Stem Cells and Regenerative Medicine, Affiliated Guangzhou Women and Children's Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, 74# Zhongshan 2nd Road, Guangzhou, Guangdong, China
| | - Xiaoyue Wei
- Program of Stem Cells and Regenerative Medicine, Affiliated Guangzhou Women and Children's Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, 74# Zhongshan 2nd Road, Guangzhou, Guangdong, China
| | - Qiong Ke
- Program of Stem Cells and Regenerative Medicine, Affiliated Guangzhou Women and Children's Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, 74# Zhongshan 2nd Road, Guangzhou, Guangdong, China.,Biotherapy Center, the Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Xin Sui
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, 74# Zhongshan 2nd Road, Guangzhou, Guangdong, China.,The First Affiliated Hospital of Xi'an Jiaotong University Medical College, Xi'an, Shaanxi, 710061, China
| | - Yi Wang
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, 74# Zhongshan 2nd Road, Guangzhou, Guangdong, China
| | - Yinong Huang
- Program of Stem Cells and Regenerative Medicine, Affiliated Guangzhou Women and Children's Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, 74# Zhongshan 2nd Road, Guangzhou, Guangdong, China.,Biotherapy Center, the Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Hongyu Li
- Program of Stem Cells and Regenerative Medicine, Affiliated Guangzhou Women and Children's Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, 74# Zhongshan 2nd Road, Guangzhou, Guangdong, China
| | - Tao Wang
- Program of Stem Cells and Regenerative Medicine, Affiliated Guangzhou Women and Children's Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, 74# Zhongshan 2nd Road, Guangzhou, Guangdong, China
| | - Ren Lin
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Qifa Liu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Andy Peng Xiang
- Program of Stem Cells and Regenerative Medicine, Affiliated Guangzhou Women and Children's Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, China. .,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, 74# Zhongshan 2nd Road, Guangzhou, Guangdong, China. .,Biotherapy Center, the Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, 510080, China. .,Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, 511436, China. .,Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, China.
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211
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Liu X, Lin X, Mi Y, Li J, Zhang C. Grape Seed Proanthocyanidin Extract Prevents Ovarian Aging by Inhibiting Oxidative Stress in the Hens. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:9390810. [PMID: 29541349 PMCID: PMC5818927 DOI: 10.1155/2018/9390810] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 10/29/2017] [Accepted: 11/06/2017] [Indexed: 11/18/2022]
Abstract
Oxidative stress is an important inducement in ovarian aging which results in fecundity decline in human and diverse animals. As a potent antioxidant, grape seed proanthocyanidin extract (GSPE) was investigated to ameliorate chicken ovarian aging in this study. Firstly, ovarian antioxidant capacity of hens at different ages (90, 150, 280, and 580 days old) was compared to elucidate its age-related changes. Subsequently, a D-gal-induced (2.5 mg/mL) aging ovarian model was established and the cultured ovarian tissues were treated with GSPE at 5 μg/mL for 72 h to evaluate the putative attenuating effects of GSPE on ovarian aging. Meanwhile, ovaries of D280 (young) and D580 (old) were treated with GSPE for 72 h in culture to verify the protective effects of GSPE on natural aging ovary. The results showed that GSPE could rescue the antioxidant capacity decline by increasing the antioxidase activities and their gene expression in either D-gal-induced or natural aging ovaries. Moreover, GSPE could maintain the homeostasis between cell proliferation and apoptosis in the D-gal-induced and natural aging ovaries, as well as alleviate D-gal-induced nucleus chromatin condensation in the ovarian granulosa cells. In conclusion, GSPE treatment can effectively prevent the ovarian aging process in hens by reducing oxidative stress.
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Affiliation(s)
- Xingting Liu
- Department of Veterinary Medicine, College of Animal Sciences, Zhejiang University, No. 866 Yuhangtang Road, Hangzhou 310058, China
| | - Xin Lin
- Department of Veterinary Medicine, College of Animal Sciences, Zhejiang University, No. 866 Yuhangtang Road, Hangzhou 310058, China
| | - Yuling Mi
- Department of Veterinary Medicine, College of Animal Sciences, Zhejiang University, No. 866 Yuhangtang Road, Hangzhou 310058, China
| | - Jian Li
- Department of Veterinary Medicine, College of Animal Sciences, Zhejiang University, No. 866 Yuhangtang Road, Hangzhou 310058, China
| | - Caiqiao Zhang
- Department of Veterinary Medicine, College of Animal Sciences, Zhejiang University, No. 866 Yuhangtang Road, Hangzhou 310058, China
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212
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Levine CB, Bayle J, Biourge V, Wakshlag JJ. Cellular effects of a turmeric root and rosemary leaf extract on canine neoplastic cell lines. BMC Vet Res 2017; 13:388. [PMID: 29237458 PMCID: PMC5729263 DOI: 10.1186/s12917-017-1302-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Accepted: 11/27/2017] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND The use of nutraceuticals is gaining in popularity in human and canine oncology with a relatively limited understanding of the effects in the vastly different tumor types seen in canine oncology. We have previously shown that turmeric root (TE) and rosemary leaf (RE) extracts can work synergistically to reduce neoplastic cell growth, but the mechanisms are poorly understood and require further elucidation. RESULTS Three different canine cell lines (C2 mastocytoma, and CMT-12 mammary carcinoma, D17 osteosarcoma) were treated with 6.3 μg mL-1 extract individually, or 3.1 μg mL-1 of each extract in combination based on studies showing synergy of these two extracts. Apoptosis, antioxidant effects, cellular accumulation of curcumin, and perturbation of signaling pathways were assessed. The TE + RE combination treatment resulted in Caspase 3/7 activation and apoptosis in all cell lines, beyond the effects of TE alone with the CMT-12 cell line being most susceptible. Both extracts had antioxidant effects with RE reducing reactive oxygen species (ROS) by 40-50% and TE reducing ROS by 80-90%. In addition RE treatment enhanced the c-jun N-terminal kinase (JNK) activity in the C2 cell line and TE + RE exposure increased activated JNK by 4-5 times in the CMT-12 cell line. Upon further examination, it was found that RE treatment caused a significant increase in the cellular accumulation of curcumin by approximately 30% in the C2 and D17 cell lines, and by 4.8-fold in the CMT-12 cell line. This increase in intracellular curcumin levels may play a role in the synergy exhibited when using TE and RE in combination. CONCLUSIONS The use of RE in combination with TE induces a synergistic response to induce apoptosis which is better than either extract alone. This appears to be related to a variable increased TE uptake in cells and activation of pathways involved in the apoptotic response.
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Affiliation(s)
- Corri B Levine
- Department of Clinical Sciences,Veterinary Medical Center C2-009, Cornell University College of Veterinary Medicine, Ithaca, NY, 14853, USA
| | - Julie Bayle
- Royal Canin Research Center, Airmargues, France
| | | | - Joseph J Wakshlag
- Department of Clinical Sciences,Veterinary Medical Center C2-009, Cornell University College of Veterinary Medicine, Ithaca, NY, 14853, USA.
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213
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Zhang H, Barralet JE. Mimicking oxygen delivery and waste removal functions of blood. Adv Drug Deliv Rev 2017; 122:84-104. [PMID: 28214553 DOI: 10.1016/j.addr.2017.02.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2016] [Revised: 02/13/2017] [Accepted: 02/13/2017] [Indexed: 12/20/2022]
Abstract
In addition to immunological and wound healing cell and platelet delivery, ion stasis and nutrient supply, blood delivers oxygen to cells and tissues and removes metabolic wastes. For decades researchers have been trying to develop approaches that mimic these two immediately vital functions of blood. Oxygen is crucial for the long-term survival of tissues and cells in vertebrates. Hypoxia (oxygen deficiency) and even at times anoxia (absence of oxygen) can occur during organ preservation, organ and cell transplantation, wound healing, in tumors and engineering of tissues. Different approaches have been developed to deliver oxygen to tissues and cells, including hyperbaric oxygen therapy (HBOT), normobaric hyperoxia therapy (NBOT), using biochemical reactions and electrolysis, employing liquids with high oxygen solubility, administering hemoglobin, myoglobin and red blood cells (RBCs), introducing oxygen-generating agents, using oxygen-carrying microparticles, persufflation, and peritoneal oxygenation. Metabolic waste accumulation is another issue in biological systems when blood flow is insufficient. Metabolic wastes change the microenvironment of cells and tissues, influence the metabolic activities of cells, and ultimately cause cell death. This review examines advances in blood mimicking systems in the field of biomedical engineering in terms of oxygen delivery and metabolic waste removal.
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214
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Huang M, Xin W. Matrine inhibiting pancreatic cells epithelial-mesenchymal transition and invasion through ROS/NF-κB/MMPs pathway. Life Sci 2017; 192:55-61. [PMID: 29155301 DOI: 10.1016/j.lfs.2017.11.024] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 11/13/2017] [Accepted: 11/15/2017] [Indexed: 11/25/2022]
Abstract
AIMS Matrine has demonstrated an exclusive anti-tumor effect, including inhibiting cancer cells proliferation and inducing cancer cells apoptosis and autophagy. Whether it can inhibit cancer cells invasion is remain obscure. MAIN METHODS The Panc-1 cells were cultured with matrine, NAC and methanol, wound healing assay and transwell invasion assay were applied to detect the migration and invasion ability. The expression of MMP-2 and MMP-9 were assessed, as well as the Epithelial-Mesenchymal Transition marker. Further detect the expression of pP65, total P65, pIκBα, total IκBα, MMP-2, MMP-9 and Panc-1 cells migration and invasion ability to detect whether NF-κB signaling pathway is involved. KEY FINDINGS In matrine treated group, the expression of E-cadherin was up-regulated while N-cadherin, Vimentin was down-regulated. In addition, wound healing assay and transwell invasion assay showed that the cells treated with matrine expressed weaker migration and invasion ability, and MMP-2 and MMP-9 was down-regulated in matrine treated group. Further research reveals that the effect of Matrine could decreased the level of intracellular ROS. Furthermore, pP65, pIκBα level was down-regulated in the matrine and NAC group when compared to control group. The panc-1 cells showed less migration and invasion ability, as well as lower MMP-2 and MMP-9 expression in the group treated with NF-κBI along with H2O2 when compared with treated with H2O2 only. SIGNIFICANCE Matrine inhibit pancreatic cancer cells migration and invasion through ROS/NF-κB/MMPs pathway, further validate the anticancer effect of matrine.
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Affiliation(s)
- Minna Huang
- Oncology Department, First Affiliated Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.
| | - Wen Xin
- Oncology Department, First Affiliated Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
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215
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Patricia Moreno-Londoño A, Bello-Alvarez C, Pedraza-Chaverri J. Isoliquiritigenin pretreatment attenuates cisplatin induced proximal tubular cells (LLC-PK1) death and enhances the toxicity induced by this drug in bladder cancer T24 cell line. Food Chem Toxicol 2017; 109:143-154. [DOI: 10.1016/j.fct.2017.08.047] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 08/22/2017] [Accepted: 08/30/2017] [Indexed: 12/17/2022]
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216
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Kurokawa H, Ito H, Matsui H. Monascus purpureus induced apoptosis on gastric cancer cell by scavenging mitochondrial reactive oxygen species. J Clin Biochem Nutr 2017; 61:189-195. [PMID: 29203960 PMCID: PMC5703783 DOI: 10.3164/jcbn.17-27] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Accepted: 06/27/2017] [Indexed: 12/17/2022] Open
Abstract
Monascus purpureus is a red dye derived from yeast rice and has been used as color additives for food in East Asia. Monascus purpureus consists of several bioactive components. Some of these components work as a radical scavenger, thus monascus purpureus would also eliminate reactive oxygen species. Cancer cells maintain the high level of reactive oxygen species than normal cell and are death by imbalance in pro-oxidant/antioxidant homeostasis. In this study, we investigated whether monascus purpureus induced cancer specific cell death by scavenging reactive oxygen species. Compared to normal cell, monascus purpureus had cancer specific cytotoxicity. Monascus purpureus and lovastatin, its component, scavenged free radicals caused by a xanthine/xanthine oxidase system, thus Monascus purpureus is likely to scavenge reactive oxygen species by a synergistic effect between lovastatin and other components. Monascus purpureus also decreased reactive oxygen species derived from mitochondria in cancer cells, and cellular apoptosis was induced via activation of caspase-9. Induction of apoptosis by reduction of reactive oxygen species generation decreased acid ceramidase, and this mechanism could be involved with increasing ceramide accumulation in cells.
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Affiliation(s)
- Hiromi Kurokawa
- Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8575, Japan
| | - Hiromu Ito
- Graduate School of Medical and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan
| | - Hirofumi Matsui
- Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8575, Japan
- Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto 602-8566, Japan
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217
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Commentaries on Viewpoint: Loopomics: a new functional approach to life. J Appl Physiol (1985) 2017; 123:1014-1015. [DOI: 10.1152/japplphysiol.00558.2017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 06/21/2017] [Indexed: 11/22/2022] Open
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218
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Uehara K, Ikehara F, Shibuya R, Nakazato I, Oshiro M, Kiyuna M, Tanabe Y, Toyoda Z, Kurima K, Kina S, Hisaoka M, Kinjo T. Molecular Signature of Tumors with Monoallelic 13q14 Deletion: a Case Series of Spindle Cell Lipoma and Genetically-Related Tumors Demonstrating a Link Between FOXO1 Status and p38 MAPK Pathway. Pathol Oncol Res 2017; 24:861-869. [PMID: 28887603 PMCID: PMC6132820 DOI: 10.1007/s12253-017-0303-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 09/01/2017] [Indexed: 12/24/2022]
Abstract
Spindle cell/pleomorphic lipomas (SCLs), cellular angiofibromas (CAFs) and mammary-type myofibroblastomas (MFBs) are rare benign mesenchymal tumors with monoallelic 13q14 deletion. They are predicted to have a common pathogenic mechanism due to shared similar histological and immunohistochemical features; however, pathological consequences of monoallelic 13q14 deletion remain unknown. We previously reported a CAF case with monoallelic 13q14 deletion in which the tumor expressed decreased levels of FOXO1 and RB1, both of which were encoded in 13q14, and increased reactive oxygen species (ROS) levels. We further demonstrated the activation of p38 mitogen-activated protein kinase (p38 MAPK) pathway induced by oxidative stress. We hypothesized that SCLs, CAFs and MFBs would share common molecular signatures involving FOXO1, ROS and p38 MAPK and that their expression patterns were different from those tumors without monoallelic 13q14 deletion such as solitary fibrous tumors (SFTs). We compared the expression levels of FOXO1, RB1, ROS markers and several signal transduction factors between SCLs and SFTs. SCLs expressed decreased levels of FOXO1 and RB1, whereas SFTs showed no change. Both tumor types exhibited increased markers of ROS; however, nuclear localization of phosphorylated p38 was significantly more frequent in SCLs than that in SFTs, suggesting p38 MAPK activation by oxidative stress. SFTs showed lower p38 MAPK activity and higher β-catenin expression, implying that oxidative stress was caused by increased cellular proliferation stress. Finally, CAFs and MFBs showed changes similar to those observed in SCLs. Overall, tumors with monoallelic 13q14 deletion showed shared molecular signatures that might be associated with pathogenesis.
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Affiliation(s)
- Karina Uehara
- Division of Morphological Pathology, Department of Basic Laboratory Sciences, School of Health Sciences, University of the Ryukyus, 207 Uehara, Nishihara, Okinawa, 903-0215, Japan
| | - Fukino Ikehara
- Division of Morphological Pathology, Department of Basic Laboratory Sciences, School of Health Sciences, University of the Ryukyus, 207 Uehara, Nishihara, Okinawa, 903-0215, Japan
| | - Ryo Shibuya
- Department of Pathology and Oncology, School of Medicine, University of Occupational and Environmental Health, Fukuoka, Japan
| | - Iwao Nakazato
- Department of Pathology, Okinawa Prefectural Nanbu Medical Center and Children's Medical Center, Okinawa, Japan
| | - Mariko Oshiro
- Health Information Management Major, Management and Information Science Division, Faculty of International Studies, Meio University, Okinawa, Japan
| | - Masaya Kiyuna
- Department of Pathology, Tomishiro Chuo Hospital, Okinawa, Japan
| | - Yasuka Tanabe
- Division of Morphological Pathology, Department of Basic Laboratory Sciences, School of Health Sciences, University of the Ryukyus, 207 Uehara, Nishihara, Okinawa, 903-0215, Japan
| | - Zensei Toyoda
- Division of Morphological Pathology, Department of Basic Laboratory Sciences, School of Health Sciences, University of the Ryukyus, 207 Uehara, Nishihara, Okinawa, 903-0215, Japan
| | - Kiyoto Kurima
- Department of Regenerative Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Shinichiro Kina
- Department of Oral and Maxillofacial Functional Rehabilitation, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Masanori Hisaoka
- Department of Pathology and Oncology, School of Medicine, University of Occupational and Environmental Health, Fukuoka, Japan
| | - Takao Kinjo
- Division of Morphological Pathology, Department of Basic Laboratory Sciences, School of Health Sciences, University of the Ryukyus, 207 Uehara, Nishihara, Okinawa, 903-0215, Japan.
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219
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You BR, Park WH. Suberoylanilide hydroxamic acid induces thioredoxin1-mediated apoptosis in lung cancer cells via up-regulation of miR-129-5p. Mol Carcinog 2017; 56:2566-2577. [PMID: 28667779 DOI: 10.1002/mc.22701] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Revised: 04/15/2017] [Accepted: 06/29/2017] [Indexed: 12/13/2022]
Abstract
Histone deacetylase (HDAC) inhibitors, especially suberoylanilide hydroxamic acid (SAHA) induce apoptosis in various cancer cells. Here, we investigated the effect of SAHA on apoptosis in lung cancer cells and addressed the role of reactive oxygen species (ROS), glutathione (GSH), and thioredoxin1 (Trx1) levels in this process. We also identified the miRNAs that down-regulate Trx1 expression at RNA level and thereby influence apoptotic cell death of SAHA increased intracellular ROS levels and promoted apoptotic cell death in cancerous cells but not in non-cancerous normal lung cells. Likewise, SAHA induced GSH depletion specifically in cancerous cells. While N-acetyl cysteine (NAC) reduced ROS level and reversed the effect of SAHA on cell death, L-buthionine sulfoximine (BSO) further enhanced GSH depletion, and promoted cell death. SAHA decreased the mRNA and protein levels of Trx1 in lung cancer cells. Knockdown/suppression of Trx1 intensified apoptosis in SAHA-treated lung cancer cells whereas overexpression of Trx1 prevented the cell death in these cells. SAHA up-regulated the level of miR-129-5p, which binds to 3' untranslated region (3'UTR) of Trx1 and down-regulates Trx1 expression. Down-regulation of Trx1 led to activation of apoptosis-signal regulating kinase (ASK), which induced apoptotic cell death by triggering ASK-JNK or ASK-p38 kinase pathway. In conclusion, changes in ROS and GSH levels in SAHA-treated lung cancer cells partially co-related with cell death. SAHA induced apoptosis via the down-regulation of Trx1, which was regulated by miR-129-5p.
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Affiliation(s)
- Bo Ra You
- Department of Physiology, Medical School, Institute for Medical Sciences, Chonbuk National University, JeonJu, Republic of Korea
| | - Woo Hyun Park
- Department of Physiology, Medical School, Institute for Medical Sciences, Chonbuk National University, JeonJu, Republic of Korea
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220
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El-Magd MA, Khamis A, Nasr Eldeen SK, Ibrahim WM, Salama AF. Trehalose enhances the antitumor potential of methotrexate against mice bearing Ehrlich ascites carcinoma. Biomed Pharmacother 2017; 92:870-878. [DOI: 10.1016/j.biopha.2017.06.005] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Revised: 05/29/2017] [Accepted: 06/04/2017] [Indexed: 01/22/2023] Open
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221
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Lin J, Chuang CC, Zuo L. Potential roles of microRNAs and ROS in colorectal cancer: diagnostic biomarkers and therapeutic targets. Oncotarget 2017; 8:17328-17346. [PMID: 28061475 PMCID: PMC5370044 DOI: 10.18632/oncotarget.14461] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 12/16/2016] [Indexed: 02/06/2023] Open
Abstract
As one of the most commonly diagnosed cancers worldwide, colorectal adenocarcinoma often occurs sporadically in individuals aged 50 or above and there is an increase among younger patients under 50. Routine screenings are recommended for this age group to improve early detection. The multifactorial etiology of colorectal cancer consists of both genetic and epigenetic factors. Recently, studies have shown that the development and progression of colorectal cancer can be attributed to aberrant expression of microRNA. Reactive oxygen species (ROS) that play a key role in cancer cell survival, can also lead to carcinogenesis and cancer exacerbations. Given the rapid accumulating knowledge in the field, an updated review regarding microRNA and ROS in colorectal cancer is necessary. An extensive literature search has been conducted in PubMed/Medline databases to review the roles of microRNAs and ROS in colorectal cancer. Unique microRNA expression in tumor tissue, peripheral blood, and fecal samples from patients with colorectal cancer is outlined. Therapeutic approaches focusing on microRNA and ROS in colorectal cancer treatment is also delineated. This review aims to summarize the newest knowledge on the pathogenesis of colorectal cancer in the hopes of discovering novel diagnostic biomarkers and therapeutic techniques.
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Affiliation(s)
- Jingmei Lin
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Chia-Chen Chuang
- Radiologic Sciences and Respiratory Therapy Division, School of Health and Rehabilitation Sciences, The Ohio State University College of Medicine, Columbus, OH, USA.,Interdisciplinary Biophysics Graduate Program, The Ohio State University, Columbus, OH, USA
| | - Li Zuo
- Radiologic Sciences and Respiratory Therapy Division, School of Health and Rehabilitation Sciences, The Ohio State University College of Medicine, Columbus, OH, USA.,Interdisciplinary Biophysics Graduate Program, The Ohio State University, Columbus, OH, USA
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222
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Benfeitas R, Uhlen M, Nielsen J, Mardinoglu A. New Challenges to Study Heterogeneity in Cancer Redox Metabolism. Front Cell Dev Biol 2017; 5:65. [PMID: 28744456 PMCID: PMC5504267 DOI: 10.3389/fcell.2017.00065] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 06/26/2017] [Indexed: 12/13/2022] Open
Abstract
Reactive oxygen species (ROS) are important pathophysiological molecules involved in vital cellular processes. They are extremely harmful at high concentrations because they promote the generation of radicals and the oxidation of lipids, proteins, and nucleic acids, which can result in apoptosis. An imbalance of ROS and a disturbance of redox homeostasis are now recognized as a hallmark of complex diseases. Considering that ROS levels are significantly increased in cancer cells due to mitochondrial dysfunction, ROS metabolism has been targeted for the development of efficient treatment strategies, and antioxidants are used as potential chemotherapeutic drugs. However, initial ROS-focused clinical trials in which antioxidants were supplemented to patients provided inconsistent results, i.e., improved treatment or increased malignancy. These different outcomes may result from the highly heterogeneous redox responses of tumors in different patients. Hence, population-based treatment strategies are unsuitable and patient-tailored therapeutic approaches are required for the effective treatment of patients. Moreover, due to the crosstalk between ROS, reducing equivalents [e.g., NAD(P)H] and central metabolism, which is heterogeneous in cancer, finding the best therapeutic target requires the consideration of system-wide approaches that are capable of capturing the complex alterations observed in all of the associated pathways. Systems biology and engineering approaches may be employed to overcome these challenges, together with tools developed in personalized medicine. However, ROS- and redox-based therapies have yet to be addressed by these methodologies in the context of disease treatment. Here, we review the role of ROS and their coupled redox partners in tumorigenesis. Specifically, we highlight some of the challenges in understanding the role of hydrogen peroxide (H2O2), one of the most important ROS in pathophysiology in the progression of cancer. We also discuss its interplay with antioxidant defenses, such as the coupled peroxiredoxin/thioredoxin and glutathione/glutathione peroxidase systems, and its reducing equivalent metabolism. Finally, we highlight the need for system-level and patient-tailored approaches to clarify the roles of these systems and identify therapeutic targets through the use of the tools developed in personalized medicine.
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Affiliation(s)
- Rui Benfeitas
- Science for Life Laboratory, KTH Royal Institute of TechnologyStockholm, Sweden
| | - Mathias Uhlen
- Science for Life Laboratory, KTH Royal Institute of TechnologyStockholm, Sweden
| | - Jens Nielsen
- Science for Life Laboratory, KTH Royal Institute of TechnologyStockholm, Sweden.,Department of Biology and Biological Engineering, Chalmers University of TechnologyGothenburg, Sweden
| | - Adil Mardinoglu
- Science for Life Laboratory, KTH Royal Institute of TechnologyStockholm, Sweden.,Department of Biology and Biological Engineering, Chalmers University of TechnologyGothenburg, Sweden
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223
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Sposito C, Camargo M, Tibaldi DS, Barradas V, Cedenho AP, Nichi M, Bertolla RP, Spaine DM. Antioxidant enzyme profile and lipid peroxidation products in semen samples of testicular germ cell tumor patients submitted to orchiectomy. Int Braz J Urol 2017; 43:644-651. [PMID: 28266817 PMCID: PMC5557439 DOI: 10.1590/s1677-5538.ibju.2016.0323] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Revised: 12/18/2016] [Accepted: 12/18/2016] [Indexed: 01/22/2023] Open
Abstract
PURPOSE To determine enzymatic antioxidant and lipid peroxidation levels in seminal plasma of patients orchiectomized for testicular tumors. MATERIALS AND METHODS The study included 52 patients: 26 control men and 26 orchiectomized patients for testicular tumor, of which 12 men had seminoma tumor and 14 men non-seminoma tumor. After semen analysis performed according to the WHO guidelines, an aliquot of semen was centrifuged and the seminal plasma was collected. Lipid peroxidation was performed by thiobarbituric acid reactive substances(TBARS) assay and antioxidant profile was assessed by analyzing catalase, glutathione per-oxidase (GPx) and superoxide anion (SOD) activities using colorimetric assays with a standard spectrophotometer. Data were tested for normality and compared using one-way ANOVA (p<0.05). RESULTS Seminoma and non-seminoma groups presented lower sperm concentration and morphology when compared to control group (p=0.0001). Both study groups (seminoma and non-seminoma) presented higher TBARS levels when compared to control group (p=0.0000013). No differences were observed for SOD (p=0.646) and GPx (p=0.328). It was not possible to access the enzymatic activity of catalase in any group. CONCLUSION Patients with testicular tumor present increased semen oxidative stress, but no differences were observed in antioxidant levels, even after orchiectomy. This indicates that most likely an increased generation of oxidative products takes place in these patients.
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Affiliation(s)
- Camila Sposito
- Departamento de Cirurgia, Divisão de Urologia, Setor de Reprodução Humana, Universidade Federal de São Paulo, SP, Brasil
| | - Mariana Camargo
- Departamento de Cirurgia, Divisão de Urologia, Setor de Reprodução Humana, Universidade Federal de São Paulo, SP, Brasil
| | - Danielle Spinola Tibaldi
- Departamento de Cirurgia, Divisão de Urologia, Setor de Reprodução Humana, Universidade Federal de São Paulo, SP, Brasil
| | - Valéria Barradas
- Departamento de Cirurgia, Divisão de Urologia, Setor de Reprodução Humana, Universidade Federal de São Paulo, SP, Brasil
| | - Agnaldo Pereira Cedenho
- Departamento de Cirurgia, Divisão de Urologia, Setor de Reprodução Humana, Universidade Federal de São Paulo, SP, Brasil
| | - Marcílio Nichi
- Departamento de Reprodução Animal, Faculdade de Medicina Veterinária, Universidade de São Paulo, SP, Brasil
| | - Ricardo Pimenta Bertolla
- Departamento de Cirurgia, Divisão de Urologia, Setor de Reprodução Humana, Universidade Federal de São Paulo, SP, Brasil
| | - Deborah Montagnini Spaine
- Departamento de Cirurgia, Divisão de Urologia, Setor de Reprodução Humana, Universidade Federal de São Paulo, SP, Brasil
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224
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Francis S, Joseph S, Koshy EP, Mathew B. Green synthesis and characterization of gold and silver nanoparticles using Mussaenda glabrata leaf extract and their environmental applications to dye degradation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:17347-17357. [PMID: 28589274 DOI: 10.1007/s11356-017-9329-2] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Accepted: 05/19/2017] [Indexed: 05/22/2023]
Abstract
Plant-derived nanomaterials opened a green approach in solving the current environment issues. Present study focused on rapid microwave-assisted synthesis and applications of gold and silver nanoparticles mediated by aqueous leaf extract of Mussaenda glabrata. The synthesized nanoparticles were characterized by UV-vis, FT-IR, powder XRD, energy-dispersive X-ray spectroscopy (EDX), transmission electron (TEM), and atomic force microscopic techniques (AFM). FCC crystal structure of both nanoparticles was confirmed by peaks corresponding to (111), (200), (220), and (311) planes in XRD spectra and bright circular spots in SAED pattern. IC50 values shown by gold and silver nanoparticles (44.1 ± 0.82 and 57.92 ± 1.33 μg/mL) reflected their high free radical scavenging potential. The synthesized gold and silver nanoparticles revealed their potency to inhibit pathogenic microorganisms Bacillus pumilus, Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli, Aspergillus niger, and Penicillium chrysogenum. Anthropogenic pollutants rhodamine B and methyl orange were effectively degraded from aquatic environment and waste water sewages of dye industries using the prepared nanocatalysts. The catalytic capacities of the synthesized nanoparticles were also exploited in the reduction of 4-nitrophenol. Graphical abstract.
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Affiliation(s)
- Sijo Francis
- Department of Chemistry, St. Joseph's College, Moolamattom, Idukki, Kerala, 685591, India
| | - Siby Joseph
- Department of Chemistry, St. George's College, Aruvithura, Kottayam, Kerala, 686122, India
| | - Ebey P Koshy
- Department of Chemistry, St. Joseph's College, Moolamattom, Idukki, Kerala, 685591, India
| | - Beena Mathew
- School of Chemical Sciences, Mahatma Gandhi University, Kottayam, Kerala, 686560, India.
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225
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Berczyński P, Kładna A, Kruk I, Sarı E, Murat HN, Bozdağ Dündar O, Aboul-Enein HY. Synthesis and in vitro
antioxidant activity study of some new piperazinyl flavone compounds. LUMINESCENCE 2017; 32:1431-1441. [DOI: 10.1002/bio.3342] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Revised: 02/10/2017] [Accepted: 03/31/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Paweł Berczyński
- Institute of Physics, Faculty of Mechanical Engineering and Mechatronics; West Pomeranian University of Technology in Szczecin; Szczecin Poland
| | - Aleksandra Kładna
- Department of History of Medicine and Medical Ethics; Pomeranian Medical University; Szczecin Poland
| | - Irena Kruk
- Institute of Physics, Faculty of Mechanical Engineering and Mechatronics; West Pomeranian University of Technology in Szczecin; Szczecin Poland
| | - Elmas Sarı
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy; Ankara University; Ankara Turkey
| | - Hatice Nehir Murat
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy; Ankara University; Ankara Turkey
| | - Oya Bozdağ Dündar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy; Ankara University; Ankara Turkey
| | - Hassan Y. Aboul-Enein
- Pharmaceutical and Medicinal Chemistry Department, Pharmaceutical and Drug Industries Research Division; National Research Centre; Dokki Giza Egypt
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226
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The MTH1 inhibitor TH588 demonstrates anti-tumoral effects alone and in combination with everolimus, 5-FU and gamma-irradiation in neuroendocrine tumor cells. PLoS One 2017; 12:e0178375. [PMID: 28542590 PMCID: PMC5444855 DOI: 10.1371/journal.pone.0178375] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Accepted: 05/11/2017] [Indexed: 12/12/2022] Open
Abstract
Modulation of the redox system in cancer cells has been considered a promising target for anti-cancer therapy. The novel MTH1 inhibitor TH588 proved tremendous potential in terms of cancer cell eradication, yet its specificity has been questioned by recent reports, indicating that TH588 may also induce cancer cell death by alternative mechanisms than MTH1 inhibition. Here we used a panel of heterogeneous neuroendocrine tumor cells in order to assess cellular mechanisms and molecular signaling pathways implicated in the effects of TH588 alone as well as dual-targeting approaches combining TH588 with everolimus, cytotoxic 5-fluorouracil or γ-irradiation. Our results reflect that TH588 alone efficiently decreased the survival of neuroendocrine cancer cells by PI3K-Akt-mTOR axis downregulation, increased apoptosis and oxidative stress. However, in the dual-targeting approaches cell survival was further decreased due to an even stronger downregulation of the PI3K-Akt-mTOR axis and augmentation of apoptosis but not oxidative stress. Furthermore, we could attribute TH588 chemo- and radio-sensitizing properties. Collectively our data not only provide insights into how TH588 exactly kills cancer cells but also depict novel perspectives for combinatorial treatment approaches encompassing TH588.
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227
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Lee HY, Parkinson EI, Granchi C, Paterni I, Panigrahy D, Seth P, Minutolo F, Hergenrother PJ. Reactive Oxygen Species Synergize To Potently and Selectively Induce Cancer Cell Death. ACS Chem Biol 2017; 12:1416-1424. [PMID: 28345875 DOI: 10.1021/acschembio.7b00015] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A distinctive feature of cancer cells is their elevated levels of reactive oxygen species (ROS), a trait that can cause cancer cells to be more sensitive to ROS-inducing agents than normal cells. ROS take several forms, each with different reactivity and downstream consequence. Here we show that simultaneous generation of superoxide and hydrogen peroxide within cancer cells results in significant synergy, potently and selectively causing cancer cell death. In these experiments superoxide is generated using the NAD(P)H quinone oxidoreductase 1 (NQO1) substrate deoxynyboquinone (DNQ), and hydrogen peroxide is generated using the lactate dehydrogenase A (LDH-A) inhibitor NHI-Glc-2. This combination reduces tumor burden and prolongs survival in a mouse model of lung cancer. These data suggest that simultaneous induction of superoxide and hydrogen peroxide can be a powerful and selective anticancer strategy.
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Affiliation(s)
- Hyang Yeon Lee
- Department
of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | - Elizabeth I. Parkinson
- Department
of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | - Carlotta Granchi
- Dipartimento
di Farmacia, Università di Pisa, Via Bonanno 33, 56126 Pisa, Italy
| | - Ilaria Paterni
- Dipartimento
di Farmacia, Università di Pisa, Via Bonanno 33, 56126 Pisa, Italy
| | | | | | - Filippo Minutolo
- Dipartimento
di Farmacia, Università di Pisa, Via Bonanno 33, 56126 Pisa, Italy
| | - Paul J. Hergenrother
- Department
of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
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228
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Kobylecki CJ, Afzal S, Nordestgaard BG. Plasma Urate, Cancer Incidence, and All-Cause Mortality: A Mendelian Randomization Study. Clin Chem 2017; 63:1151-1160. [PMID: 28428355 DOI: 10.1373/clinchem.2016.268185] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Accepted: 02/14/2017] [Indexed: 12/21/2022]
Abstract
BACKGROUND Observationally, high plasma urate is associated with high risk of cancer. We used a Mendelian randomization design to test the hypothesis that high concentrations of plasma urate are associated with high cancer incidence and all-cause mortality observationally and genetically. METHODS We performed observational and genetic analyses using plasma urate and the urate solute carrier family 2 member 9 (SLC2A9) rs7442295 genotype in 86210 individuals from the Copenhagen General Population Study. Cancer and mortality end points were from national cancer and death registries. Incidences and risk of cancer and all-cause mortality were calculated using Cox regression, Fine and Gray competing-risks regression, and instrumental variable analyses. RESULTS During a median follow-up time of 3.9 years for cancer and 4.9 years for all-cause mortality, 3243 individuals received a diagnosis of cancer and 3978 died. Observationally, 50% higher plasma urate was associated with multivariable-adjusted hazard ratios of 1.11 (95% CI, 1.05-1.18) for cancer incidence and 1.07 (1.01-1.13) for all-cause mortality. Each A-allele of the SLC2A9 rs7442295 was associated with 9% higher plasma urate and hazard ratios of 1.07 (1.01-1.14) for cancer incidence and 1.07 (1.02-1.13) for all-cause mortality. In instrumental variable analyses, the odds ratios for a genetically determined 50% higher plasma urate was 1.22 (1.02-1.47) for cancer incidence and 1.49 (1.13-1.93) for all-cause mortality. CONCLUSIONS High plasma urate was both observationally and genetically associated with high cancer incidence and high all-cause mortality, suggesting causal relationships.
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Affiliation(s)
- Camilla J Kobylecki
- Department of Clinical Biochemistry and the Copenhagen General Population Study, Herlev and Gentofte Hospital, Copenhagen University Hospital, Herlev, Denmark.,Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Shoaib Afzal
- Department of Clinical Biochemistry and the Copenhagen General Population Study, Herlev and Gentofte Hospital, Copenhagen University Hospital, Herlev, Denmark.,Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Børge G Nordestgaard
- Department of Clinical Biochemistry and the Copenhagen General Population Study, Herlev and Gentofte Hospital, Copenhagen University Hospital, Herlev, Denmark; .,Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
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229
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Wang H, Zhang R, Bridle KR, Jayachandran A, Thomas JA, Zhang W, Yuan J, Xu ZP, Crawford DHG, Liang X, Liu X, Roberts MS. Two-photon dual imaging platform for in vivo monitoring cellular oxidative stress in liver injury. Sci Rep 2017; 7:45374. [PMID: 28349954 PMCID: PMC5368978 DOI: 10.1038/srep45374] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Accepted: 02/27/2017] [Indexed: 02/05/2023] Open
Abstract
Oxidative stress reflects an imbalance between reactive oxygen species (ROS) and antioxidants, which has been reported as an early unifying event in the development and progression of various diseases and as a direct and mechanistic indicator of treatment response. However, highly reactive and short-lived nature of ROS and antioxidant limited conventional detection agents, which are influenced by many interfering factors. Here, we present a two-photon sensing platform for in vivo dual imaging of oxidative stress at the single cell-level resolution. This sensing platform consists of three probes, which combine the turn-on fluorescent transition-metal complex with different specific responsive groups for glutathione (GSH), hydrogen peroxide (H2O2) and hypochlorous acid (HOCl). By combining fluorescence intensity imaging and fluorescence lifetime imaging, these probes totally remove any possibility of crosstalk from in vivo environmental or instrumental factors, and enable accurate localization and measurement of the changes in ROS and GSH within the liver. This precedes changes in conventional biochemical and histological assessments in two distinct experimental murine models of liver injury. The ability to monitor real-time cellular oxidative stress with dual-modality imaging has significant implications for high-accurate, spatially configured and quantitative assessment of metabolic status and drug response.
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Affiliation(s)
- Haolu Wang
- Therapeutics Research Centre, School of Medicine, The University of Queensland, Princess Alexandra Hospital, Woolloongabba, QLD 4102, Australia
- Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, 1630 S. Dongfang Road, Shanghai, 200127, China
| | - Run Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Kim R. Bridle
- School of Medicine, The University of Queensland, Gallipoli Medical Research Institute, Greenslopes Private Hospital, Greenslopes, QLD 4120, Australia
| | - Aparna Jayachandran
- School of Medicine, The University of Queensland, Gallipoli Medical Research Institute, Greenslopes Private Hospital, Greenslopes, QLD 4120, Australia
| | - James A. Thomas
- Department of Gastroenterology, The Prince Charles Hospital, School of Medicine, The University of Queensland, Chermside, QLD 4032, Australia
| | - Wenzhu Zhang
- State Key Laboratory of Fine Chemicals, School of Chemistry, Dalian University of Technology, Dalian, 116024, China
| | - Jingli Yuan
- State Key Laboratory of Fine Chemicals, School of Chemistry, Dalian University of Technology, Dalian, 116024, China
| | - Zhi Ping Xu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Darrell H. G. Crawford
- School of Medicine, The University of Queensland, Gallipoli Medical Research Institute, Greenslopes Private Hospital, Greenslopes, QLD 4120, Australia
| | - Xiaowen Liang
- Therapeutics Research Centre, School of Medicine, The University of Queensland, Princess Alexandra Hospital, Woolloongabba, QLD 4102, Australia
| | - Xin Liu
- Therapeutics Research Centre, School of Medicine, The University of Queensland, Princess Alexandra Hospital, Woolloongabba, QLD 4102, Australia
| | - Michael S. Roberts
- Therapeutics Research Centre, School of Medicine, The University of Queensland, Princess Alexandra Hospital, Woolloongabba, QLD 4102, Australia
- School of Pharmacy and Medical Science, University of South Australia, Adelaide, SA 5001, Australia
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230
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Thyagarajan A, Sahu RP. Potential Contributions of Antioxidants to Cancer Therapy: Immunomodulation and Radiosensitization. Integr Cancer Ther 2017. [PMID: 28627256 PMCID: PMC6041931 DOI: 10.1177/1534735416681639] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Antioxidants play important roles in the maintenance of cellular integrity and thus are critical in maintaining the homeostasis of the host immune system. A balance between the levels of pro-oxidants and antioxidants defines the cellular fate of genomic integrity via maintaining the redox status of the cells. An aberration in this balance modulates host immunity that affects normal cellular signaling pathways resulting in uncontrolled proliferation of cells leading to neocarcinogenesis. For decades, there have been scientific debates on the use of antioxidants for the treatment of human cancers. This review is focused on current updates on the implications of antioxidant use as adjuncts in cancer therapy with an emphasis on immunomodulation and radiosensitization.
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Affiliation(s)
| | - Ravi P. Sahu
- Wright State University, Dayton, OH, USA
- Ravi P. Sahu, Department of Pharmacology and Toxicology, Boonshoft School of Medicine, Wright State University, 230 Health Sciences Building, 3640 Colonel Glenn Highway, Dayton, OH 45435-0001, USA.
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231
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Yang Y, Aw J, Xing B. Nanostructures for NIR light-controlled therapies. NANOSCALE 2017; 9:3698-3718. [PMID: 28272614 DOI: 10.1039/c6nr09177f] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In general, effective clinical treatment demands precision medicine, which requires specific perturbation to disease cells with no damage to normal tissue. Thus far, guaranteeing that selective therapeutic effects occur only at targeted disease areas remains a technical challenge. Among the various endeavors to achieve such an outcome, strategies based on light-controlled therapies have received special attention, mostly due to their unique advantages, including the low-invasive property and the capability to obtain spatial and temporal precision at the targeted sites via specific wavelength light irradiation. However, most conventional light-mediated therapies, especially those based on short-wavelength UV or visible light irradiation, have potential issues including limited penetration depth and harmful photo damage to healthy tissue. Therefore, the implemention of near-infrared (NIR) light illumination, which can travel into deeper tissues without causing obvious photo-induced cytotoxcity, has been suggested as a preferable option for precise phototherapeutic applications in vitro and in vivo. In this article, an overview is presented of existing therapeutic applications through NIR light-absorbed nanostructures, such as NIR light-controlled drug delivery, NIR light-mediated photothermal and photodynamic therapies. Potential challenges and relevant future prospects are also discussed.
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Affiliation(s)
- Yanmei Yang
- Center for Molecular Imaging and Nuclear Medicine, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, China 215123.
| | - Junxin Aw
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, 637371, Singapore
| | - Bengang Xing
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, 637371, Singapore and Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), Singapore, 117602, Singapore
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232
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Коbylinska LI, Boiko NM, Panchuk RR, Grytsyna II, Klyuchivska OY, Biletska LP, Lesyk RB, Zіmenkovsky BS, Stoika RS. Putative anticancer potential of novel 4-thiazolidinone derivatives: cytotoxicity toward rat C6 glioma in vitro and correlation of general toxicity with the balance of free radical oxidation in rats. Croat Med J 2017; 57:151-63. [PMID: 27106357 PMCID: PMC4856196 DOI: 10.3325/cmj.2016.57.151] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Aim To evaluate the cytotoxic action of 4-thiazolidinone derivatives (ID 3288, ID 3882, and ID 3833) toward rat glioma C6 cells and to compare the effects of these compounds and doxorubicin on the balance of free radical oxidation (FRO) and antioxidant activity (AOA) in the serum of rats. Methods Glioma cells were treated with ID 3882, ID 3288, ID 3833, and doxorubicin, and their cytotoxicity was studied using MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay and Trypan blue exclusion test, light and fluorescent microscopy, and flow cytometric study of cell cycling and apoptosis, including measuring of Annexin V-positive cells. The contents of superoxide radical, hydrogen peroxide, hydroxyl radical, malonic dialdehyde, and hydrogen sulfide were measured in the serum of rats. Enzymatic activity of superoxide dismutase (SOD), catalase (Cat), and glutathione peroxydase (GPO) was determined. Results Among novel 4-thiazolidinone derivatives, ID 3288 was most toxic toward rat glioma C6 cells, even compared with doxorubicin. All applied derivatives were less active than doxorubicin in inducing reactive oxygen species-related indicators in the serum of rats. A similar effect was observed when enzymatic indicators of AOA processes were measured. While doxorubicin inhibited the activity of SOD, GPO, and Cat, the effects of 4-thiazolidinone derivatives were less prominent. Conclusion Novel 4-thiazolidinone derivatives differ in their antineoplastic action toward rat glioma C6 cells, and ID 3288 possesses the highest activity compared to doxorubicin. Measurement of indicators of FRO and AOA in the serum of rats treated with these compounds showed their lower general toxicity compared with doxorubicin’s toxicity.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Rostyslav S Stoika
- Rostyslav S. Stoika, Institute of Cell Biology, NAS of Ukraine, Drahomanov Street 14/16, 79005, Lviv, Ukraine,
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233
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Zhang L, Fang Y, Xu XF, Jin DY. Moscatilin induces apoptosis of pancreatic cancer cells via reactive oxygen species and the JNK/SAPK pathway. Mol Med Rep 2017; 15:1195-1203. [PMID: 28138710 PMCID: PMC5367346 DOI: 10.3892/mmr.2017.6144] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Accepted: 10/24/2016] [Indexed: 01/01/2023] Open
Abstract
Moscatilin is a bibenzyl derivative extracted from the Dendrobium aurantiacum var. denneanum, which has traditionally been used as an immunomodulatory treatment in China. The present study was designed to determine whether moscatilin is a pro‑apoptotic agent in pancreatic cancer, and to elucidate the underlying mechanisms. The apoptotic and anti‑proliferative effects of moscatilin on pancreatic cancer cells were determined in vitro using biochemical assays, such as the MTT assay, colony formation assay, Hoechst staining and DNA fragmentation assay, and in vivo using Panc‑1 pancreatic cancer xenografts. Western blotting was also conducted to evaluate the expression levels of B‑cell lymphoma 2 (Bcl2), Bcl2‑associated X protein (Bax), Bcl2 homologous antagonist killer (Bak), caspase 3, cleaved‑caspase 3, poly (ADP‑ribose) polymerase, p‑c‑Jun N‑terminal kinase (JNK)/stress‑activated protein kinases (SAPK) and JNK/SAPK in response to moscatilin. We used DCFH‑DA to detect the production of reactive oxygen species (ROS) induced by moscatilin. The present study demonstrated that moscatilin markedly inhibited pancreatic cancer cell viability and induced cell apoptosis in a concentration‑dependent manner. Conversely, moscatilin did not affect the cell viability of human umbilical vein endothelial cells at the comparable dosage. Treatment with moscatilin suppressed clonogenicity of Panc‑1 cells in a concentration‑dependent manner. Furthermore, a decrease in Bcl2 expression, and an increase in the expression levels of Bak and Bax, was detected following treatment with moscatilin, resulting in an increase in the proapoptotic/anti‑apoptotic expression ratio (Bax/Bcl2) in Panc‑1 cells. Moscatilin also induced activation of the caspase‑dependent mitochondrial apoptotic pathway. In addition, moscatilin enhanced cellular ROS production and induced activation of JNKSAPK signaling pathway. Conversely, pretreatment with the ROS scavenger N‑acetylcysteine or the JNK/SAPK‑specific inhibitor SP600125 prevented moscatilin‑mediated reductions in cell viability. Furthermore, moscatilin inhibited tumor growth in nude mice bearing Panc‑1 cells, without apparent toxicity. In conclusion, these results demonstrated that moscatilin may induce pancreatic cell apoptosis, and therefore may be considered a potential therapeutic agent for the treatment of pancreatic cancer.
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Affiliation(s)
- Lei Zhang
- Pancreatic Cancer Group, General Surgery Department, Zhongshan Hospital, Fudan University, Shanghai 200232, P.R. China
| | - Yuan Fang
- Pancreatic Cancer Group, General Surgery Department, Zhongshan Hospital, Fudan University, Shanghai 200232, P.R. China
| | - Xue-Feng Xu
- Pancreatic Cancer Group, General Surgery Department, Zhongshan Hospital, Fudan University, Shanghai 200232, P.R. China
| | - Da-Yong Jin
- Pancreatic Cancer Group, General Surgery Department, Zhongshan Hospital, Fudan University, Shanghai 200232, P.R. China
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López-Álvarez GS, Wojdacz TK, García-Cuellar CM, Monroy-Ramírez HC, Rodríguez-Segura MA, Pacheco-Rivera RA, Valencia-Antúnez CA, Cervantes-Anaya N, Soto-Reyes E, Vásquez-Garzón VR, Sánchez-Pérez Y, Villa-Treviño S. Gene silencing of Nox4 by CpG island methylation during hepatocarcinogenesis in rats. Biol Open 2017; 6:59-70. [PMID: 27895046 PMCID: PMC5278421 DOI: 10.1242/bio.020370] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The association between the downregulation of genes and DNA methylation in their CpG islands has been extensively studied as a mechanism that favors carcinogenesis. The objective of this study was to analyze the methylation of a set of genes selected based on their microarray expression profiles during the process of hepatocarcinogenesis. Rats were euthanized at: 24 h, 7, 11, 16 and 30 days and 5, 9, 12 and 18 months post-treatment. We evaluated the methylation status in the CpG islands of four deregulated genes (Casp3, Cldn1, Pex11a and Nox4) using methylation-sensitive high-resolution melting technology for the samples obtained from different stages of hepatocarcinogenesis. We did not observe methylation in Casp3, Cldn1 or Pex11a. However, Nox4 exhibited altered methylation patterns, reaching a maximum of 10%, even during the early stages of hepatocarcinogenesis. We observed downregulation of mRNA and protein of Nox4 (97.5% and 40%, respectively) after the first carcinogenic stimulus relative to the untreated samples. Our results suggest that Nox4 downregulation is associated with DNA methylation of the CpG island in its promoter. We propose that methylation is a mechanism that can silence the expression of Nox4, which could contribute to the acquisition of neoplastic characteristics during hepatocarcinogenesis in rats. Summary: Many genes downregulated by DNA methylation are tumor suppressor genes. In the present study, DNA methylation of Nox4 is observed, with implications for Nox4 as a potential therapeutic target for liver or other cancers.
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Affiliation(s)
- Guadalupe S López-Álvarez
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV), Av. IPN No. 2508 Col. San Pedro Zacatenco, CDMX CP 07360, México
| | - Tomasz K Wojdacz
- Aarhus Institute of Advanced Studies and Department of Biomedicine, Bartholins Allé 6 Building, 1242, 8000 Aarhus C, Denmark
| | - Claudia M García-Cuellar
- Instituto Nacional de Cancerología (INCan), Subdirección de Investigación Básica, San Fernando No. 22, Tlalpan, CDMX CP 14080, México
| | - Hugo C Monroy-Ramírez
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV), Av. IPN No. 2508 Col. San Pedro Zacatenco, CDMX CP 07360, México
| | - Miguel A Rodríguez-Segura
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV), Av. IPN No. 2508 Col. San Pedro Zacatenco, CDMX CP 07360, México
| | - Ruth A Pacheco-Rivera
- Departamento de Bioquímica, Escuela Nacional de Ciencias Biológicas-IPN, Carpio y Plan de Ayala S/N, Col. Casco de Santo Tomas, CDMX CP 11340, México
| | - Carlos A Valencia-Antúnez
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV), Av. IPN No. 2508 Col. San Pedro Zacatenco, CDMX CP 07360, México
| | - Nancy Cervantes-Anaya
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV), Av. IPN No. 2508 Col. San Pedro Zacatenco, CDMX CP 07360, México
| | - Ernesto Soto-Reyes
- Instituto Nacional de Cancerología (INCan), Subdirección de Investigación Básica, San Fernando No. 22, Tlalpan, CDMX CP 14080, México
| | - Verónica R Vásquez-Garzón
- CONACYT, Facultad de Medicina y Cirugía, Universidad Autónoma "Benito Juárez" de Oaxaca, Ex-Hacienda de Aguilera S/N Carretera a San Felipe del Agua, Oaxaca, Oax., CP 68020, México
| | - Yesennia Sánchez-Pérez
- Instituto Nacional de Cancerología (INCan), Subdirección de Investigación Básica, San Fernando No. 22, Tlalpan, CDMX CP 14080, México
| | - Saúl Villa-Treviño
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV), Av. IPN No. 2508 Col. San Pedro Zacatenco, CDMX CP 07360, México
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235
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Dos Reis Antunes Junior O, Antônio E, Mainardes RM, Khalil NM. Preparation, physicochemical characterization and antioxidant activity of diphenyl diselenide-loaded poly(lactic acid) nanoparticles. J Trace Elem Med Biol 2017; 39:176-185. [PMID: 27908412 DOI: 10.1016/j.jtemb.2016.09.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2015] [Revised: 09/17/2016] [Accepted: 09/30/2016] [Indexed: 10/20/2022]
Abstract
In this study, we developed, characterized and evaluated the antioxidant activity of poly (lactic acid) nanoparticles containing diphenyl diselenide (PhSe)2. Nanoparticles were characterized in terms of mean particle size, polydispersity index, zeta potential, encapsulation efficiency, in vitro release profile, physical stability, polymer-drug interactions and thermal properties. Also, the antioxidant activity of nanoparticles on hypochlorous acid (HOCl) was assessed. Nanoparticles presented a mean size of 210nm, had low polydispersity, zeta potential of -24mV, and an encapsulation efficiency over 90%. Differential scanning calorimetry and X-ray diffraction results showed (PhSe)2 is dispersed in PLA matrix in an amorphous state. Lyophilized nanoparticles maintained physical stability over three months, while nanoparticles dispersed in water did not present stability over 7days. In vitro release assay was characterized by a biphasic release pattern with burst effect in 8h followed by a sustained release diffusion governed over 192h. Nanoencapsulation did not alter the antioxidant activity of (PhSe)2 on HOCl. The study concludes these properties of (PhSe)2-loaded nanoparticles can be useful to extend the biological effects of (PhSe)2.
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Affiliation(s)
- Osmar Dos Reis Antunes Junior
- Laboratory of Pharmaceutical Nanotechnology, Department of Pharmacy, Universidade Estadual do Centro-Oeste/UNICENTRO, Guarapuava/PR, Brazil
| | - Emilli Antônio
- Laboratory of Pharmaceutical Nanotechnology, Department of Pharmacy, Universidade Estadual do Centro-Oeste/UNICENTRO, Guarapuava/PR, Brazil
| | - Rubiana Mara Mainardes
- Laboratory of Pharmaceutical Nanotechnology, Department of Pharmacy, Universidade Estadual do Centro-Oeste/UNICENTRO, Guarapuava/PR, Brazil
| | - Najeh Maissar Khalil
- Laboratory of Pharmaceutical Nanotechnology, Department of Pharmacy, Universidade Estadual do Centro-Oeste/UNICENTRO, Guarapuava/PR, Brazil.
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236
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Deng Q, Li X, Zhu L, He H, Chen D, Chen Y, Yin L. Serum-resistant, reactive oxygen species (ROS)-potentiated gene delivery in cancer cells mediated by fluorinated, diselenide-crosslinked polyplexes. Biomater Sci 2017; 5:1174-1182. [DOI: 10.1039/c7bm00334j] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Fluorinated, diselenide-crosslinked polyplexes were developed to enable ROS-responsive and serum-resistant gene delivery in cancer cells.
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Affiliation(s)
- Qiurong Deng
- Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices
- Institute of Functional Nano and Soft Materials (FUNSOM)
- Soochow University
- Suzhou 215123
- P.R. China
| | - Xudong Li
- Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices
- Institute of Functional Nano and Soft Materials (FUNSOM)
- Soochow University
- Suzhou 215123
- P.R. China
| | - Lipeng Zhu
- Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices
- Institute of Functional Nano and Soft Materials (FUNSOM)
- Soochow University
- Suzhou 215123
- P.R. China
| | - Hua He
- Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices
- Institute of Functional Nano and Soft Materials (FUNSOM)
- Soochow University
- Suzhou 215123
- P.R. China
| | - Donglai Chen
- Department of Thoracic Surgery
- Shanghai Pulmonary Hospital
- Tongji University School of Medicine
- Shanghai
- P.R. China
| | - Yongbing Chen
- Department of Cardiothoracic Surgery
- The Second Affiliated Hospital of Soochow University
- Suzhou 215004
- P.R. China
| | - Lichen Yin
- Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices
- Institute of Functional Nano and Soft Materials (FUNSOM)
- Soochow University
- Suzhou 215123
- P.R. China
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237
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Whiteside TL, Demaria S, Rodriguez-Ruiz ME, Zarour HM, Melero I. Emerging Opportunities and Challenges in Cancer Immunotherapy. Clin Cancer Res 2016; 22:1845-55. [PMID: 27084738 DOI: 10.1158/1078-0432.ccr-16-0049] [Citation(s) in RCA: 221] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2016] [Accepted: 02/25/2016] [Indexed: 12/20/2022]
Abstract
Immunotherapy strategies against cancer are emerging as powerful weapons for treatment of this disease. The success of checkpoint inhibitors against metastatic melanoma and adoptive T-cell therapy with chimeric antigen receptor T cells against B-cell-derived leukemias and lymphomas are only two examples of developments that are changing the paradigms of clinical cancer management. These changes are a result of many years of intense research into complex and interrelated cellular and molecular mechanisms controling immune responses. Promising advances come from the discovery of cancer mutation-encoded neoantigens, improvements in vaccine development, progress in delivery of cellular therapies, and impressive achievements in biotechnology. As a result, radical transformation of cancer treatment is taking place in which conventional cancer treatments are being integrated with immunotherapeutic agents. Many clinical trials are in progress testing potential synergistic effects of treatments combining immunotherapy with other therapies. Much remains to be learned about the selection, delivery, and off-target effects of immunotherapy used alone or in combination. The existence of numerous escape mechanisms from the host immune system that human tumors have evolved still is a barrier to success. Efforts to understand the rules of immune cell dysfunction and of cancer-associated local and systemic immune suppression are providing new insights and fuel the enthusiasm for new therapeutic strategies. In the future, it might be possible to tailor immune therapy for each cancer patient. The use of new immune biomarkers and the ability to assess responses to therapy by noninvasive monitoring promise to improve early cancer diagnosis and prognosis. Personalized immunotherapy based on individual genetic, molecular, and immune profiling is a potentially achievable future goal. The current excitement for immunotherapy is justified in view of many existing opportunities for harnessing the immune system to treat cancer.
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Affiliation(s)
- Theresa L Whiteside
- Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Sandra Demaria
- Department of Radiation Oncology, University of Cornell, New York, New York
| | - Maria E Rodriguez-Ruiz
- Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain. Clinica Universidad de Navarra, Pamplona, Spain
| | - Hassane M Zarour
- Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Ignacio Melero
- Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain. Clinica Universidad de Navarra, Pamplona, Spain.
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238
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Wang SQ, Wang C, Wang JW, Yang DX, Wang R, Wang CJ, Li HJ, Shi HG, Ke Y, Liu HM. Geridonin, a novel derivative of oridonin, inhibits proliferation of MGC 803 cells both in vitro and in vivo through elevating the intracellular ROS. J Pharm Pharmacol 2016; 69:213-221. [DOI: 10.1111/jphp.12678] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Accepted: 11/12/2016] [Indexed: 12/27/2022]
Abstract
Abstract
Objectives
To study the antitumour activity of a novel derivative of oridonin named geridonin in vitro and in vivo.
Methods
MTT and colony formation assay were used to test the cytotoxicity of geridonin; apoptosis, cell cycle arrest and the levels of reactive oxygen species were measured by flow cytometry; JC-1 staining assay was used to examine the mitochondrial membrane potential; the MGC 803 xenograft model was established to evaluate the antitumour effect of geridonin in vivo; H&E staining was performed for the histological analysis.
Key findings
In vitro, geridonin remarkably inhibited proliferation of gastrointestinal cancer cells including oesophageal, gastric, liver and colon cancers. On oesophageal, gastric cancer cells, geridonin displayed strong cytotoxicity than that of oridonin. In gastric cancer MGC 803 cells, geridonin triggered apoptosis through the mitochondrial pathway depending on caspase. In addition, geridonin sharply reduced the formation of cell colony, increased the intracellular levels of ROS and induced cell cycle arrest at G2/M phase. In vivo, geridonin delayed the growth of MGC 803 xenograft in athymic mice without obvious loss of bodyweight.
Conclusions
The novel derivative of oridonin, geridonin, inhibited the growth of human gastric cancer cells MGC 803 both in vitro and in vivo mainly via triggering apoptosis depending on elevating intracellular level of ROS.
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Affiliation(s)
- Sai-Qi Wang
- Co-innovation Center of Henan Province for New Drug R & D and Preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Cong Wang
- Co-innovation Center of Henan Province for New Drug R & D and Preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Jun-Wei Wang
- Co-innovation Center of Henan Province for New Drug R & D and Preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Dong-Xiao Yang
- Co-innovation Center of Henan Province for New Drug R & D and Preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Ran Wang
- Co-innovation Center of Henan Province for New Drug R & D and Preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Chuan-Jin Wang
- Co-innovation Center of Henan Province for New Drug R & D and Preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Hui-Ju Li
- Co-innovation Center of Henan Province for New Drug R & D and Preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Hong-Ge Shi
- Co-innovation Center of Henan Province for New Drug R & D and Preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Yu Ke
- Co-innovation Center of Henan Province for New Drug R & D and Preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Hong-Min Liu
- Co-innovation Center of Henan Province for New Drug R & D and Preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
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239
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ROS homeostasis and metabolism: a critical liaison for cancer therapy. Exp Mol Med 2016; 48:e269. [PMID: 27811934 PMCID: PMC5133371 DOI: 10.1038/emm.2016.119] [Citation(s) in RCA: 188] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2016] [Revised: 07/27/2016] [Accepted: 08/04/2016] [Indexed: 12/17/2022] Open
Abstract
Evidence indicates that hypoxia and oxidative stress can control metabolic reprogramming of cancer cells and other cells in tumor microenvironments and that the reprogrammed metabolic pathways in cancer tissue can also alter the redox balance. Thus, important steps toward developing novel cancer therapy approaches would be to identify and modulate critical biochemical nodes that are deregulated in cancer metabolism and determine if the therapeutic efficiency can be influenced by changes in redox homeostasis in cancer tissues. In this review, we will explore the molecular mechanisms responsible for the metabolic reprogramming of tumor microenvironments, the functional modulation of which may disrupt the effects of or may be disrupted by redox homeostasis modulating cancer therapy.
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240
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Chang SN, Lee JM, Oh H, Park JH. Glutathione Peroxidase 3 Inhibits Prostate Tumorigenesis in TRAMP Mice. Prostate 2016; 76:1387-98. [PMID: 27325372 DOI: 10.1002/pros.23223] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Accepted: 06/07/2016] [Indexed: 01/06/2023]
Abstract
BACKGROUND Glutathione peroxidase 3 (GPx3) is involved in protecting cells from oxidative damage, and down-regulated levels of expression have been found in prostate cancer samples. We hypothesize that loss of the GPx3 increases the rate of prostate carcinogenesis and generated GPx3-deficient transgenic adenocarcinoma of the mouse prostate (TRAMP) mice. METHODS Prostate cancer incidence and progression were determined in TRAMP, TRAMP/GPx3 (+/-) HET, and TRAMP/GPx3 (-/-) KO mice at 8, 16, and 20 weeks of age. RESULTS We found that GPx3 expression was decreased in TRAMP mice and not detected in GPx3 KO mice both in mRNA and protein levels. Disruption of GPx3 expression in TRAMP mice increased the GU tract weights and the histopathological scores in each lobes with increased proliferation rates. Moreover, inactivation of one (+/-) or both (-/-) alleles of GPx3 resulted in increase in prostate cancer incidence with activated Wnt/β-catenin pathway. CONCLUSIONS Our results provide the first in vivo molecular genetic evidence that GPx3 does indeed function as a tumor suppressor during prostate carcinogenesis. Prostate 76:1387-1398, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Seo-Na Chang
- Department of Laboratory Animal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Ji Min Lee
- Department of Laboratory Animal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Hanseul Oh
- Department of Laboratory Animal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Jae-Hak Park
- Department of Laboratory Animal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea.
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241
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Hambright HG, Ghosh R. Autophagy: In the cROSshairs of cancer. Biochem Pharmacol 2016; 126:13-22. [PMID: 27789215 DOI: 10.1016/j.bcp.2016.10.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 10/21/2016] [Indexed: 12/18/2022]
Abstract
Two prominent features of tumors that contribute to oncogenic survival signaling are redox disruption, or oxidative stress phenotype, and high autophagy signaling, making both phenomena ideal therapeutic targets. However, the relationship between redox disruption and autophagy signaling is not well characterized and the clinical impact of reactive oxygen species (ROS)-generating chemotherapeutics on autophagy merits immediate attention as autophagy largely contributes to chemotherapeutic resistance. In this commentary we focus on melanoma, using it as an example to provide clarity to current literature regarding the roles of autophagy and redox signaling which can be applicable to initiation and maintenance of most tumor types. Further, we address the crosstalk between ROS and autophagy signaling during pharmacological intervention and cell fate decisions. We attempt to elucidate the role of autophagy in regulating cell fate following treatment with ROS-generating agents in preclinical and clinical settings and discuss the emerging role of autophagy in cell fate decisions and as a cell death mechanism. We also address technical aspects of redox and autophagy evaluation in experimental design and data interpretation. Lastly, we present a provocative view of the clinical relevance, emerging challenges in dual targeting of redox and autophagy pathways for therapy, and the future directions to be addressed in order to advance both basic and translational aspects of this field.
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Affiliation(s)
- Heather Graham Hambright
- Department of Urology, University of Texas Health Science Center at San Antonio, South Texas Research Facility Campus, 8403 Floyd Curl Drive, San Antonio, TX 78229, USA; Department of Cellular and Structural Biology, University of Texas Health Science Center at San Antonio, South Texas Research Facility Campus, 8403 Floyd Curl Drive, San Antonio, TX 78229, USA
| | - Rita Ghosh
- Department of Urology, University of Texas Health Science Center at San Antonio, South Texas Research Facility Campus, 8403 Floyd Curl Drive, San Antonio, TX 78229, USA; Department of Cellular and Structural Biology, University of Texas Health Science Center at San Antonio, South Texas Research Facility Campus, 8403 Floyd Curl Drive, San Antonio, TX 78229, USA; Department of Pharmacology, University of Texas Health Science Center at San Antonio, South Texas Research Facility Campus, 8403 Floyd Curl Drive, San Antonio, TX 78229, USA; Department of Molecular Medicine, University of Texas Health Science Center at San Antonio, South Texas Research Facility Campus, 8403 Floyd Curl Drive, San Antonio, TX 78229, USA.
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242
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Chen X, Lv Q, Hong Y, Chen X, Cheng B, Wu T. IL-1β maintains the redox balance by regulating glutaredoxin 1 expression during oral carcinogenesis. J Oral Pathol Med 2016; 46:332-339. [PMID: 27658048 DOI: 10.1111/jop.12502] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/15/2016] [Indexed: 12/12/2022]
Affiliation(s)
- Xijuan Chen
- Department of Oral Medicine; Hospital of Stomatology; Guangzhou Guangdong China
- Guangdong Provincial Key Laboratory of Stomatology; Guanghua School of Stomatology; Sun Yat-sen University; Guangzhou Guangdong China
| | - Qianshu Lv
- Department of Oral Medicine; Affiliated Zhongshan Hospital; Sun Yat-sen University; Zhongshan Guangdong China
| | - Yun Hong
- Department of Oral Medicine; Hospital of Stomatology; Guangzhou Guangdong China
- Guangdong Provincial Key Laboratory of Stomatology; Guanghua School of Stomatology; Sun Yat-sen University; Guangzhou Guangdong China
| | - Xiaobing Chen
- Department of Oral Medicine; Hospital of Stomatology; Guangzhou Guangdong China
- Guangdong Provincial Key Laboratory of Stomatology; Guanghua School of Stomatology; Sun Yat-sen University; Guangzhou Guangdong China
| | - Bin Cheng
- Department of Oral Medicine; Hospital of Stomatology; Guangzhou Guangdong China
- Guangdong Provincial Key Laboratory of Stomatology; Guanghua School of Stomatology; Sun Yat-sen University; Guangzhou Guangdong China
| | - Tong Wu
- Department of Oral Medicine; Hospital of Stomatology; Guangzhou Guangdong China
- Guangdong Provincial Key Laboratory of Stomatology; Guanghua School of Stomatology; Sun Yat-sen University; Guangzhou Guangdong China
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243
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Nagel R, Semenova EA, Berns A. Drugging the addict: non-oncogene addiction as a target for cancer therapy. EMBO Rep 2016; 17:1516-1531. [PMID: 27702988 PMCID: PMC5090709 DOI: 10.15252/embr.201643030] [Citation(s) in RCA: 96] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2016] [Accepted: 08/24/2016] [Indexed: 12/13/2022] Open
Abstract
Historically, cancers have been treated with chemotherapeutics aimed to have profound effects on tumor cells with only limited effects on normal tissue. This approach was followed by the development of small‐molecule inhibitors that can target oncogenic pathways critical for the survival of tumor cells. The clinical targeting of these so‐called oncogene addictions, however, is in many instances hampered by the outgrowth of resistant clones. More recently, the proper functioning of non‐mutated genes has been shown to enhance the survival of many cancers, a phenomenon called non‐oncogene addiction. In the current review, we will focus on the distinct non‐oncogenic addictions found in cancer cells, including synthetic lethal interactions, the underlying stress phenotypes, and arising therapeutic opportunities.
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Affiliation(s)
- Remco Nagel
- Division of Molecular Genetics, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Ekaterina A Semenova
- Division of Molecular Genetics, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Anton Berns
- Division of Molecular Genetics, The Netherlands Cancer Institute, Amsterdam, The Netherlands
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244
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Singh P, Baranwal M, Reddy SM. Antioxidant and cytotoxic activity of carotenes produced by Dunaliella salina under stress. PHARMACEUTICAL BIOLOGY 2016; 54:2269-2275. [PMID: 26983781 DOI: 10.3109/13880209.2016.1153660] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Context Dunaliella salina Teodoresco (Dunaliellaceae) is one of the promising microalgae consumed as food and medicine for many years. Objective Dunaliella salina was grown under different stress conditions for enhancing carotene production. The carotene enriched extract was evaluated for antioxidant and cytotoxic activity. Materials and methods Carotene content was calculated under salinity, nitrogen and temperature stress conditions. Antioxidant activity was determined through DPPH assay by incubating the samples for 45 min with 250 μg/mL of extract and reducing power assay was performed with 50, 100, 150 and 200 μg/mL of extract. Cytotoxicity was determined by incubating ∼2 × 10(4) MCF-7 (breast cancer) cells with 250 μg of extract in each well for 72 h by MTT assay. Result Carotene content was significantly increased to 9.8 (3.5 M NaCl), 13.9 (37 °C), 8.2 (250 mM KNO3) and 10.6 μg/mL (nitrogen-depleted medium) as compared with 3.2 μg/mL in normal conditions (1.7 M NaCl, 0.75 mM KNO3 and 28 °C). Free radical scavenging activity increased at 3.0 and 3.5 M NaCl (27.8 and 57.5%, respectively), 37 °C (31.4%) and in nitrogen-depleted medium (41.9%) compared with normal (15%) conditions. Carotene content and scavenging activity were positively correlated under salinity (r = 0.97), temperature (r = 0.85) and nitrogen (r = 0.7) stress conditions. Cytotoxicity against MCF-7 cell lines increased due to increase in carotene content suggesting that cytotoxicity may be associated with carotene accumulation. Discussion and conclusions Carotene content enhanced by D. salina under stress conditions increased the antioxidant and cytotoxic activity.
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Affiliation(s)
- Pritika Singh
- a Department of Biotechnology , Thapar University , Patiala , Punjab , India
| | - Manoj Baranwal
- a Department of Biotechnology , Thapar University , Patiala , Punjab , India
| | - Sudhakara M Reddy
- a Department of Biotechnology , Thapar University , Patiala , Punjab , India
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Search for Imbalance Mechanisms of the Metabolic Indicators and Natural Detoxification at the Action of New 4-thiazolidinone Derivatives Possessing Anti-neoplastic Activity. ACTA ACUST UNITED AC 2016. [DOI: 10.25040/ecpb2016.03.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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246
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Zhou MX, Wei X, Li AL, Wang AM, Lu LZ, Yang Y, Ren DM, Wang XN, Wen XS, Lou HX, Shen T. Screening of traditional Chinese medicines with therapeutic potential on chronic obstructive pulmonary disease through inhibiting oxidative stress and inflammatory response. Altern Ther Health Med 2016; 16:360. [PMID: 27623767 PMCID: PMC5022167 DOI: 10.1186/s12906-016-1347-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Accepted: 09/10/2016] [Indexed: 12/23/2022]
Abstract
Background Chronic obstructive pulmonary disease (COPD) is a major public health problem and gives arise to severe chronic morbidity and mortality in the world. Inflammatory response and oxidative stress play dominant roles in the pathological mechanism of COPD, and have been regarded to be two important targets for the COPD therapy. Traditional Chinese medicines (TCMs) possess satisfying curative effects on COPD under guidance of the TCM theory in China, and merit in-depth investigations as a resource of lead compounds. Methods One hundred ninety-six of TCMs were collected, and extracted to establish a TCM extract library, and then further evaluated for their potency on inhibitions of oxidative stress and inflammatory response using NADP(H):quinone oxidoreductase (QR) assay and nitric oxide (NO) production assay, respectively. Results Our investigation observed that 38 of the tested TCM extracts induced QR activity in hepa 1c1c7 murine hepatoma cells, and 55 of them inhibited NO production in RAW 264.7 murine macrophages at the tested concentrations. Noteworthily, 20 of TCM extracts simultaneously inhibited oxidative stress and inflammatory responses. Conclusion The observed bioactive TCMs, particularly these 20 TCMs with dual inhibitory effects, might be useful for the treatment of COPD. More importantly, the results of the present research afford us an opportunity to discover new lead molecules as COPD therapeutic agents from these active TCMs. Electronic supplementary material The online version of this article (doi:10.1186/s12906-016-1347-y) contains supplementary material, which is available to authorized users.
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Breast cancer tumorigenicity is dependent on high expression levels of NAF-1 and the lability of its Fe-S clusters. Proc Natl Acad Sci U S A 2016; 113:10890-5. [PMID: 27621439 DOI: 10.1073/pnas.1612736113] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Iron-sulfur (Fe-S) proteins are thought to play an important role in cancer cells mediating redox reactions, DNA replication, and telomere maintenance. Nutrient-deprivation autophagy factor-1 (NAF-1) is a 2Fe-2S protein associated with the progression of multiple cancer types. It is unique among Fe-S proteins because of its 3Cys-1His cluster coordination structure that allows it to be relatively stable, as well as to transfer its clusters to apo-acceptor proteins. Here, we report that overexpression of NAF-1 in xenograft breast cancer tumors results in a dramatic augmentation in tumor size and aggressiveness and that NAF-1 overexpression enhances the tolerance of cancer cells to oxidative stress. Remarkably, overexpression of a NAF-1 mutant with a single point mutation that stabilizes the NAF-1 cluster, NAF-1(H114C), in xenograft breast cancer tumors results in a dramatic decrease in tumor size that is accompanied by enhanced mitochondrial iron and reactive oxygen accumulation and reduced cellular tolerance to oxidative stress. Furthermore, treating breast cancer cells with pioglitazone that stabilizes the 3Cys-1His cluster of NAF-1 results in a similar effect on mitochondrial iron and reactive oxygen species accumulation. Taken together, our findings point to a key role for the unique 3Cys-1His cluster of NAF-1 in promoting rapid tumor growth through cellular resistance to oxidative stress. Cluster transfer reactions mediated by the overexpressed NAF-1 protein are therefore critical for inducing oxidative stress tolerance in cancer cells, leading to rapid tumor growth, and drugs that stabilize the NAF-1 cluster could be used as part of a treatment strategy for cancers that display high NAF-1 expression.
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Identification of MicroRNAs Involved in Growth Arrest and Apoptosis in Hydrogen Peroxide-Treated Human Hepatocellular Carcinoma Cell Line HepG2. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:7530853. [PMID: 27597883 PMCID: PMC5002491 DOI: 10.1155/2016/7530853] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Revised: 07/01/2016] [Accepted: 07/13/2016] [Indexed: 01/06/2023]
Abstract
Although both oxidative stress and microRNAs (miRNAs) play vital roles in physiological and pathological processes, little is known about the interactions between them. In this study, we first described the regulation of H2O2 in cell viability, proliferation, cycle, and apoptosis of human hepatocellular carcinoma cell line HepG2. Then, miRNAs expression was profiled after H2O2 treatment. The results showed that high concentration of H2O2 (600 μM) could decrease cell viability, inhibit cell proliferation, induce cell cycle arrest, and finally promote cell apoptosis. Conversely, no significant effects could be found under treatment with low concentration (30 μM). miRNAs array analysis identified 131 differentially expressed miRNAs (125 were upregulated and 6 were downregulated) and predicted 13504 putative target genes of the deregulated miRNAs. Gene ontology (GO) analysis revealed that the putative target genes were associated with H2O2-induced cell growth arrest and apoptosis. The subsequent bioinformatics analysis indicated that H2O2-response pathways, including MAPK signaling pathway, apoptosis, and pathways in cancer and cell cycle, were significantly affected. Overall, these results provided comprehensive information on the biological function of H2O2 treatment in HepG2 cells. The identification of miRNAs and their putative targets may offer new diagnostic and therapeutic strategies for liver cancer.
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Liu Y, Wang Q, She P, Gong J, Wu W, Xu S, Li J, Zhao K, Deng A. Chitosan-coated hemoglobin microcapsules for use in an electrochemical sensor and as a carrier for oxygen. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-1908-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Kotecha R, Takami A, Espinoza JL. Dietary phytochemicals and cancer chemoprevention: a review of the clinical evidence. Oncotarget 2016; 7:52517-52529. [PMID: 27232756 PMCID: PMC5239570 DOI: 10.18632/oncotarget.9593] [Citation(s) in RCA: 243] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Accepted: 05/12/2016] [Indexed: 12/13/2022] Open
Abstract
Cancer chemoprevention involves the use of different natural or biologic agents to inhibit or reverse tumor growth. Epidemiological and pre-clinical data suggest that various natural phytochemicals and dietary compounds possess chemopreventive properties, and in-vitro and animal studies support that these compounds may modulate signaling pathways involved in cell proliferation and apoptosis in transformed cells, enhance the host immune system and sensitize malignant cells to cytotoxic agents. Despite promising results from experimental studies, only a limited number of these compounds have been tested in clinical trials and have shown variable results. In this review, we summarize the data regarding select phytochemicals including curcumin, resveratrol, lycopene, folates and tea polyphenols with emphasis on the clinical evidence supporting the efficacy of these compounds in high-risk populations.
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Affiliation(s)
- Ritesh Kotecha
- Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States of America
| | - Akiyoshi Takami
- Department of Internal Medicine, Division of Hematology, Aichi Medical University, School of Medicine, Nagakute, Aichi, Japan
| | - J. Luis Espinoza
- Department of Hematology Oncology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
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