1
|
Najafabadi SS, Doudi M, Tahmourespour A, Amiri G, Rezayatmand Z. Assessment of Antimicrobial Activity of Chitosan, ZnO, and Urtica dioica-ZnO NPs Against Staphylococcus aureus Isolated from Diabetic Ulcers. Curr Microbiol 2024; 81:295. [PMID: 39096343 DOI: 10.1007/s00284-024-03633-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 02/01/2024] [Indexed: 08/05/2024]
Abstract
Staphylococcus aureus (S. aureus) is considered as one of the challenging ulcer infections in diabetic patients especially those who have acquired antibiotic-resistant infections. Nanotechnology products have enormous potential to treat diseases including infectious diseases. As chitosan and zinc oxide (ZnO) nanoparticles (NPs) have harbored a high antimicrobial effect, this survey was aimed to synthesize chitosan, ZnO, and ZnO-Urtica. diocia (ZnO-U. diocia) NPs, and to assess their antimicrobial effects and their influence on virulence genes expression in S. aureus isolates from diabetic ulcers. The antibacterial effect of NPs was detected by microdilution method. The most frequently components in U. diocia aqueous extract were linalool,4-thujanol, camphor, carvacrol, propanedioic acid, and di(butyl) phthalate. More than 95% of clinical S. aureus isolates were resistant to several antibiotics including erythromycin, cefoxitin, clindamycin, and ciprofloxacin. The most resistant isolates were S. aureus ATDS 52, ATDS 53, F5232, and F91. The lowest MIC and MBC by the NPs on the isolates was detected as 0.128 g/mL and 0.178 g/mL, respectively. A significant decrease of 90% in the expression rates of lukED and RNAIII genes was reported for S. aureus isolates treated with the NPs. The synthetized ZnO-U. diocia and chitosan NPs can be proposed as a reliable and effective antimicrobial agent targeting diabetic ulcers infections caused by S. aureus because of its high effects on the bacterial growth and virulence genes expression.
Collapse
Affiliation(s)
| | - Monir Doudi
- Department of Microbiology, Falavarjan Branch, Islamic Azad University, Falavarjan, Isfahan, Iran.
| | - Arezoo Tahmourespour
- Department of Basic Medical Sciences, Faculty of Dentistry, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
| | - Gholamreza Amiri
- Department of Basic Sciences, Falavarjan Branch, Islamic Azad University, Falavarjan, Isfahan, Iran
| | - Zahra Rezayatmand
- Department of Biology, Falavarjan Branch, Islamic Azad University, Falavarjan, Isfahan, Iran
| |
Collapse
|
2
|
Sun Z, Liu K, Liang C, Wen L, Wu J, Liu X, Li X. Diosmetin as a promising natural therapeutic agent: In vivo, in vitro mechanisms, and clinical studies. Phytother Res 2024; 38:3660-3694. [PMID: 38748620 DOI: 10.1002/ptr.8214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 04/09/2024] [Accepted: 04/13/2024] [Indexed: 07/12/2024]
Abstract
Diosmetin, a natural occurring flavonoid, is primarily found in citrus fruits, beans, and other plants. Diosmetin demonstrates a variety of pharmacological activities, including anticancer, antioxidant, anti-inflammatory, antibacterial, metabolic regulation, cardiovascular function improvement, estrogenic effects, and others. The process of literature search was done using PubMed, Web of Science and ClinicalTrials databases with search terms containing Diosmetin, content, anticancer, anti-inflammatory, antioxidant, pharmacological activity, pharmacokinetics, in vivo, and in vitro. The aim of this review is to summarize the in vivo, in vitro and clinical studies of Diosmetin over the last decade, focusing on studies related to its anticancer, anti-inflammatory, and antioxidant activities. It is found that DIO has significant therapeutic effects on skin and cardiovascular system diseases, and its research in pharmacokinetics and toxicology is summarized. It provides the latest information for researchers and points out the limitations of current research and areas that should be strengthened in future research, so as to facilitate the relevant scientific research and clinical application of DIO.
Collapse
Affiliation(s)
- Zihao Sun
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Kai Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Chuipeng Liang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Lin Wen
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jijiao Wu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiaolian Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiaofang Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| |
Collapse
|
3
|
Leng J, Zhao Y, Zhao S, Xie S, Sheng P, Zhu L, Zhang M, Chen T, Kong L, Yin Y. Discovery of Novel Isoquinoline Analogues as Dual Tubulin Polymerization/V-ATPase Inhibitors with Immunogenic Cell Death Induction. J Med Chem 2024; 67:3144-3166. [PMID: 38336655 DOI: 10.1021/acs.jmedchem.3c02399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Abstract
Cancer immunotherapy has revolutionized clinical advances in a variety of cancers. Due to the low immunogenicity of the tumor, only a few patients can benefit from it. Specific microtubule inhibitors can effectively induce immunogenic cell death and improve immunogenicity of the tumor. A series of isoquinoline derivatives based on the natural products podophyllotoxin and diphyllin were designed and synthesized. Among them, F10 showed robust antiproliferation activity against four human cancer cell lines, and it was verified that F10 exerted antiproliferative activity by inhibiting tubulin and V-ATPase. Further studies indicated that F10 is able to induce immunogenic cell death in addition to apoptosis. Meanwhile, F10 inhibited tumor growth in an RM-1 homograft model with enhanced T lymphocyte infiltration. These results suggest that F10 may be a promising lead compound for the development of a new generation of microtubule drugs.
Collapse
Affiliation(s)
- Jiafu Leng
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Yongjun Zhao
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Shifang Zhao
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Shanshan Xie
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Ping Sheng
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Liqiao Zhu
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Mengyu Zhang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Tingting Chen
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Lingyi Kong
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Yong Yin
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| |
Collapse
|
4
|
Das A, Chakrabarty S, Nag D, Paul S, Ganguli A, Chakrabarti G. Heavy water (D 2O) induces autophagy-dependent apoptotic cell death in non-small cell lung cancer A549 cells by generating reactive oxygen species (ROS) upon microtubule disruption. Toxicol In Vitro 2023; 93:105703. [PMID: 37751786 DOI: 10.1016/j.tiv.2023.105703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 09/13/2023] [Accepted: 09/22/2023] [Indexed: 09/28/2023]
Abstract
OBJECTIVE Deuterium oxide (D2O) or heavy water is known to have diverse biological activities and have a few therapeutic applications due to its limited toxicity to human subjects. In the present study, we investigated the mechanism of D2O-induced cytotoxicity in non-small cell lung cancer A549 cells. RESULTS We found that D2O-treatment resulted in cytotoxicity, cell cycle arrest, and apoptosis in A549 cells in a dose-dependent fashion. In contrast, limited cytotoxicity was observed in lung fibroblasts WI38 cells. Moreover, D2O-treatment resulted in the disruption of the cellular microtubule network, accompanied by the generation of ROS. On further investigation, we observed that the intracellular ROS triggered autophagic responses in D2O-treated cells, leading to apoptosis by inhibiting the oncogenic PI3K/ Akt/ mTOR signaling. D2O-treatment was also found to enhance the efficacy of paclitaxel in A549 cells. SIGNIFICANCE D2O induces autophagy-dependent apoptosis in A549 cells via ROS generation upon microtubule depolymerization and inhibition of PI3K/ Akt/ mTOR signaling. It augments the efficacy of other microtubule-targeting anticancer drug taxol, which indicates the potential therapeutic importance of D2O as an anticancer agent either alone or in combination with other chemotherapeutic drugs.
Collapse
Affiliation(s)
- Amlan Das
- Department of Biotechnology and Dr. B.C. Guha Centre for Genetic Engineering and Biotechnology, University of Calcutta, Kolkata, West Bengal 700019, India; Department of Biochemistry, Royal School of Biosciences, The Assam Royal Global University, Assam 781035, India.
| | - Subhendu Chakrabarty
- Department of Biotechnology and Dr. B.C. Guha Centre for Genetic Engineering and Biotechnology, University of Calcutta, Kolkata, West Bengal 700019, India; Department of Microbiology, M.U.C. Women's College, Burdwan, West Bengal 713104, India
| | - Debasish Nag
- Department of Biotechnology and Dr. B.C. Guha Centre for Genetic Engineering and Biotechnology, University of Calcutta, Kolkata, West Bengal 700019, India
| | - Santanu Paul
- Department of Biotechnology and Dr. B.C. Guha Centre for Genetic Engineering and Biotechnology, University of Calcutta, Kolkata, West Bengal 700019, India; Department of Biotechnology, School of Life Sciences, Swami Vivekananda University, Barrackpore, West Bengal 700121, India
| | - Arnab Ganguli
- Department of Microbiology, Techno India University, West Bengal 700091, India
| | - Gopal Chakrabarti
- Department of Biotechnology and Dr. B.C. Guha Centre for Genetic Engineering and Biotechnology, University of Calcutta, Kolkata, West Bengal 700019, India.
| |
Collapse
|
5
|
Liu X, Jin J, Wu Y, Du B, Zhang L, Lu D, Liu Y, Chen X, Lin J, Chen H, Zhang W, Zhuang C, Luan X. Fluoroindole chalcone analogues targeting the colchicine binding site of tubulin for colorectal oncotherapy. Eur J Med Chem 2023; 257:115540. [PMID: 37301075 DOI: 10.1016/j.ejmech.2023.115540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/19/2023] [Accepted: 05/31/2023] [Indexed: 06/12/2023]
Abstract
Colorectal cancer (CRC) is a common malignancy of the gastrointestinal tract with high morbidity and mortality. Our previous studies have demonstrated that indole-chalcone-based compounds targeting tubulin displayed potential cytotoxicity to CRC cells. Herein, three new series of derivatives were systematically designed and synthesized to explore their structure-activity relationship (SAR) against CRC based on prior research. Among them, a representative fluorine-containing analog (FC116) exerted superior efficacy on HCT116 (IC50 = 4.52 nM) and CT26 (IC50 = 18.69 nM) cell lines, and HCT116-xenograft mice with tumor growth inhibition rate of 65.96% (3 mg/kg). Of note, FC116 could also suppress the growth of organoid models (IC50 = 1.8-2.5 nM) and showed adenoma number inhibition rate of 76.25% at the dose of 3 mg/kg in APCmin/+ mice. In terms of mechanism, FC116 could induce endoplasmic reticulum (ER) stress to produce excess reactive oxygen species (ROS), leading to mitochondrial damage to promote the apoptosis of CRC cells by targeting microtubules. Our results support that indole-chalcone compounds are promising tubulin inhibitors and highlight the potential of FC116 to combat CRC.
Collapse
Affiliation(s)
- Xiaoxia Liu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Jinmei Jin
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Ye Wu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Bolin Du
- School of Pharmacy, Second Military Medical University, Shanghai, 200433, China
| | - Lijun Zhang
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Dong Lu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Yichen Liu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Xinyi Chen
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Jiayi Lin
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Hongzhuan Chen
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Weidong Zhang
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; School of Pharmacy, Second Military Medical University, Shanghai, 200433, China.
| | - Chunlin Zhuang
- School of Pharmacy, Second Military Medical University, Shanghai, 200433, China.
| | - Xin Luan
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| |
Collapse
|
6
|
Yang HL, Huang ST, Lyu ZH, Bhat AA, Vadivalagan C, Yeh YL, Hseu YC. The anti-tumor activities of coenzyme Q0 through ROS-mediated autophagic cell death in human triple-negative breast cells. J Funct Foods 2023. [DOI: 10.1016/j.jff.2023.105454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023] Open
|
7
|
Zhang R, Sun C, Han Y, Huang L, Sheng H, Wang J, Zhang Y, Lai J, Yuan J, Chen X, Jiang C, Wu F, Wang J, Fan X, Wang J. Neutrophil autophagy and NETosis in COVID-19: perspectives. Autophagy 2023; 19:758-767. [PMID: 35951555 PMCID: PMC9980466 DOI: 10.1080/15548627.2022.2099206] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 06/30/2022] [Accepted: 07/01/2022] [Indexed: 01/08/2023] Open
Abstract
The COVID-19 pandemic has caused substantial losses worldwide in people's lives, health, and property. Currently, COVID-19 is still prominent worldwide without any specific drug treatment. The SARS-CoV-2 pathogen is the cause of various systemic diseases, mainly acute pneumonia. Within the pathological process, neutrophils are recruited to infected sites, especially in the lungs, for the first stage of removing invading SARS-CoV-2 through a range of mechanisms. Macroautophagy/autophagy, a conserved autodegradation process in neutrophils, plays a crucial role in the neutrophil phagocytosis of pathogens. NETosis refers to neutrophil cell death, while auto-inflammatory factors and antigens release NETs. This review summarizes the latest research progress and provides an in-depth explanation of the underlying mechanisms of autophagy and NETosis in COVID-19. Furthermore, after exploring the relationship between autophagy and NETosis, we discuss potential targets and treatment options. This review keeps up with the latest research on COVID-19 from neutrophil autophagy and NETosis with a new perspective, which can guide the urgent development of antiviral drugs and provide guidance for the clinical treatment of COVID-19.Abbreviations: AKT1: AKT serine/threonine kinase 1; AMPK: AMP-activated protein kinase; AP: autophagosome; ARDS: acute respiratory distress syndrome; ATG: autophagy related; BECN1: beclin 1; cfDNA: cell-free DNA; COVID-19: coronavirus disease 2019; CQ: chloroquine; DMVs: double-membrane vesicles; ELANE/NE: elastase, neutrophil expressed; F3: coagulation factor III, tissue factor; HCQ: hydroxychloroquine; MAP1LC3/LC3: microtubule associated protein 1 light chain of 3; MPO: myeloperoxidase; MTORC1: mechanistic target of rapamycin kinase complex 1; NETs: neutrophil traps; NSP: nonstructural protein; PI3K: class I phosphoinositide 3-kinase; PtdIns3K: class III phosphatidylinositol 3-kinase; PtdIns3P: phosphatidylinositol-3-phosphate; ROS: reactive oxygen species; SARS-CoV-2: severe acute respiratory syndrome coronavirus 2; SKP2: S-phase kinase associated protein 2; TCC: terminal complement complex; ULK1: unc-51 like.
Collapse
Affiliation(s)
- Ruoyu Zhang
- Department of Pain Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Chen Sun
- Department of Pain Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Yunze Han
- Department of Pain Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Leo Huang
- Department of Psychology, University of Toronto, Toronto, Ontario, Canada
| | - Honghui Sheng
- Department of Pain Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Jing Wang
- Department of Pain Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Yuqing Zhang
- Department of Pain Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Jonathan Lai
- Premed track majoring in Biology, Baylor University, Waco, Texas, USA
| | - Jiahao Yuan
- Department of Pain Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Xuemei Chen
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Chao Jiang
- Department of Neurology, Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Fuyuan Wu
- Department of Pain Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Junmin Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Xiaochong Fan
- Department of Pain Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Jian Wang
- Department of Pain Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| |
Collapse
|
8
|
M M, Gadre S, Chhatar S, Chakraborty G, Ahmed N, Patra C, Patra M. Potent Ruthenium-Ferrocene Bimetallic Antitumor Antiangiogenic Agent That Circumvents Platinum Resistance: From Synthesis and Mechanistic Studies to In Vivo Evaluation in Zebrafish. J Med Chem 2022; 65:16353-16371. [PMID: 36459415 PMCID: PMC7616001 DOI: 10.1021/acs.jmedchem.2c01174] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Emergence of resistance in cancer cells and dose-limiting side effects severely limit the widespread use of platinum (Pt) anticancer drugs. Multi-action hybrid anticancer agents that are constructed by merging two or more pharmacophores offer the prospect of circumventing issues of Pt drugs. Herein, we report the design, synthesis, and in-depth biological evaluation of a ruthenium-ferrocene (Ru-Fc) bimetallic agent [(η6-p-cymene)Ru(1,1,1-trifluoro-4-oxo-4-ferrocenyl-but-2-en-2-olate)Cl] and its five analogues. Along with aquation/anation chemistry, we evaluated the in vitro antitumor potency, Pt cross-resistance profile, and in vivo antiangiogenic properties. A structure activity analysis was performed to understand the impact of Fc, CF3, and p-cymene groups on the anticancer potency of the Ru-Fc hybrid. Finally, in addition to assessing cellular uptake and intracellular distribution, we demonstrated that the Ru-Fc hybrid binds to nucleophilic biomolecules and produces reactive oxygen species, which causes mitochondrial dysfunction and induces ER stress, leading to poly(ADP-ribose) polymerase-mediated necroptotic cell death.
Collapse
Affiliation(s)
- Manikandan M
- Medicinal Chemistry and Cell Biology Laboratory, Department of Chemical Sciences, Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai, Maharashtra 400005, India
| | - Shubhankar Gadre
- Medicinal Chemistry and Cell Biology Laboratory, Department of Chemical Sciences, Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai, Maharashtra 400005, India
| | - Sushanta Chhatar
- Medicinal Chemistry and Cell Biology Laboratory, Department of Chemical Sciences, Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai, Maharashtra 400005, India
| | - Gourav Chakraborty
- Department of Developmental Biology, Agharkar Research Institute, G G Agarkar Road, Pune, Maharashtra 411004, India
| | - Naushad Ahmed
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Telangana 502085, India
| | - Chinmoy Patra
- Department of Developmental Biology, Agharkar Research Institute, G G Agarkar Road, Pune, Maharashtra 411004, India
| | - Malay Patra
- Medicinal Chemistry and Cell Biology Laboratory, Department of Chemical Sciences, Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai, Maharashtra 400005, India
| |
Collapse
|
9
|
Lacret R, Puerta A, Granica S, González-Bakker A, Hevia D, Teng Y, Sánchez-Mateo CC, Pérez de Paz PL, Padrón JM. Bioactive Potential: A Pharmacognostic Definition through the Screening of Four Hypericum Species from the Canary Islands. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27186101. [PMID: 36144833 PMCID: PMC9505652 DOI: 10.3390/molecules27186101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/13/2022] [Accepted: 09/15/2022] [Indexed: 11/30/2022]
Abstract
In this work, we propose a general methodology to assess the bioactive potential (BP) of extracts in the quest of vegetable-based drugs. To exemplify the method, we studied the anticancer potential (AP) of four endemic species of genus Hypericum (Hypericum canariense L, Hypericum glandulosum Aiton, Hypericum grandifolium Choisy and Hypericum reflexum L.f) from the Canary Islands. Microextracts were obtained from the aerial parts of these species and were tested against six human tumor cell lines, A549 (non-small-cell lung), HBL-100 (breast), HeLa (cervix), SW1573 (non-small-cell lung), T-47D (breast) and WiDr (colon). The methanol–water microextracts were evaluated further for cell migration, autophagy and cell death. The most promising bioactive polar microextracts were analyzed by UHPLC–DAD–MS. The extraction yield, the bioactivity evaluation and the chemical profiling by LC–MS suggested that H. grandifolium was the species with the highest AP. Label-free live-cell imaging studies on HeLa cells exposed to the methanol–water microextract of H. grandifolium enabled observing cell death and several apoptotic hallmarks. Overall, this study allows us to select Hypericum grandifolium Choisy as a source of new chemical entities with a potential interest for cancer treatment.
Collapse
Affiliation(s)
- Rodney Lacret
- BioLab, Instituto Universitario de Bio-Orgánica Antonio González (IUBO-AG), Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 2, 38206 La Laguna, Spain
- Departamento de Medicina Física y Farmacología, Facultad de Farmacia, Universidad de La Laguna, Tenerife, 38200 La Laguna, Spain
- Correspondence:
| | - Adrián Puerta
- BioLab, Instituto Universitario de Bio-Orgánica Antonio González (IUBO-AG), Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 2, 38206 La Laguna, Spain
| | - Sebastian Granica
- Microbiota Lab, Centre of Preclinical Studies, Medical University of Warsaw, Banacha 1b, 02-097 Warsaw, Poland
| | - Aday González-Bakker
- BioLab, Instituto Universitario de Bio-Orgánica Antonio González (IUBO-AG), Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 2, 38206 La Laguna, Spain
| | - Danela Hevia
- BioLab, Instituto Universitario de Bio-Orgánica Antonio González (IUBO-AG), Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 2, 38206 La Laguna, Spain
| | - Yiling Teng
- BioLab, Instituto Universitario de Bio-Orgánica Antonio González (IUBO-AG), Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 2, 38206 La Laguna, Spain
| | - Candelaria C. Sánchez-Mateo
- Departamento de Medicina Física y Farmacología, Facultad de Farmacia, Universidad de La Laguna, Tenerife, 38200 La Laguna, Spain
| | - Pedro Luis Pérez de Paz
- Departamento de Botánica, Ecología y Fisiología Vegetal, Facultad de Farmacia, Universidad de La Laguna, Tenerife, 38200 La Laguna, Spain
| | - José M. Padrón
- BioLab, Instituto Universitario de Bio-Orgánica Antonio González (IUBO-AG), Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 2, 38206 La Laguna, Spain
| |
Collapse
|
10
|
Nourbakhsh F, Askari VR. Biological and pharmacological activities of noscapine: Focusing on its receptors and mechanisms. Biofactors 2021; 47:975-991. [PMID: 34534373 DOI: 10.1002/biof.1781] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 08/30/2021] [Indexed: 12/18/2022]
Abstract
Noscapine has been mentioned as one of the effective drugs with potential therapeutic applications. With few side effects and amazing capabilities, noscapine can be considered different from other opioids-like structure compounds. Since 1930, extensive studies have been conducted in the field of pharmacological treatments from against malaria to control cough and cancer treatment. Furthermore, recent studies have shown that noscapine and some analogues, like 9-bromonoscapine, amino noscapine, and 9-nitronoscapine, can be used to treat polycystic ovaries syndrome, stroke, and other diseases. Given the numerous results presented in this field and the role of different receptors in the therapeutic effects of noscapine, we aimed to review the properties, therapeutic effects, and the role of receptors in the treatment of noscapine.
Collapse
Affiliation(s)
- Fahimeh Nourbakhsh
- Medical Toxicology Research Centre, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Vahid Reza Askari
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Pharmaceutical Sciences in Persian Medicine, School of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| |
Collapse
|
11
|
Song P, Jia Q, Chen L, Jin X, Xiao X, Li L, Chen H, Qu Y, Su Y, Zhang W, Zhang Q. Involvement of Arabidopsis phospholipase D δ in regulation of ROS-mediated microtubule organization and stomatal movement upon heat shock. JOURNAL OF EXPERIMENTAL BOTANY 2020; 71:6555-6570. [PMID: 32725150 DOI: 10.1093/jxb/eraa359] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 07/24/2020] [Indexed: 05/20/2023]
Abstract
Reactive oxygen species (ROS) are plant metabolic and signaling molecules involved in responses to various external stresses, but the existence of ROS receptors and how plants respond to ROS remain largely unknown. Here we report that the plasma membrane-localized phospholipase D δ (PLDδ) protein is crucial for sensing heat shock-induced ROS to initiate reorganization of guard cell microtubules in Arabidopsis cotyledons. Heat shock of wild-type Arabidopsis cotyledons stimulated ROS production which disrupted microtubule organization and induced stomatal closure, whereas this process was markedly impaired in pldδ mutants. Moreover, wild-type PLDδ, but not the Arg622-mutated PLDδ, complemented the pldδ phenotypes in heat shock-treated plants. ROS activated PLDδ by oxidizing cysteine residues, an action that was required for its functions in ROS-induced depolymerization of guard cell microtubules, stomatal closure, and plant thermotolerance. Additionally, lipid profiling reveals involvement of microtubule organization in the feedback regulation of glycerolipid metabolism upon heat stress. Together, our findings highlight a potential mechanosensory role for PLDδ in regulating the dynamic organization of microtubules and stomatal movement, as part of the ROS-sensing pathway, during the response to external stresses.
Collapse
Affiliation(s)
- Ping Song
- College of Life Sciences, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, China
| | - Qianru Jia
- College of Life Sciences, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, China
| | - Long Chen
- College of Life Sciences, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, China
| | - Xin Jin
- College of Life Sciences, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, China
| | - Xingkai Xiao
- College of Life Sciences, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, China
| | - Li Li
- College of Life Sciences, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, China
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden, Memorial Sun Yat-Sen), Nanjing, China
| | - Huatao Chen
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Yana Qu
- College of Life Sciences, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, China
| | - Yinghua Su
- College of Life Sciences, State Key Laboratory of Crop Biology, Shandong Agricultural University, Taian, China
| | - Wenhua Zhang
- College of Life Sciences, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, China
| | - Qun Zhang
- College of Life Sciences, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, China
| |
Collapse
|
12
|
Dasari S, Bakthavachalam V, Chinnapaka S, Venkatesan R, Samy ALPA, Munirathinam G. Neferine, an alkaloid from lotus seed embryo targets HeLa and SiHa cervical cancer cells via pro-oxidant anticancer mechanism. Phytother Res 2020; 34:2366-2384. [PMID: 32364634 DOI: 10.1002/ptr.6687] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 02/28/2020] [Accepted: 03/14/2020] [Indexed: 12/19/2022]
Abstract
Apoptosis and autophagy are important processes that control cellular homeostasis and have been highlighted as promising targets for novel anticancer drugs. This study aims to investigate the inhibitory effects and mechanisms of Neferine (Nef), an alkaloid from the lotus seed embryos of Nelumbo nucifera (N. nucifera), as a dual inducer of apoptosis and autophagy through the reactive oxygen species (ROS) activation in cervical cancer cells. Nef and N. nucifera extract suppressed the cell viability of HeLa and SiHa cells in a dose-dependent manner. Importantly, Nef showed minimal toxicity to normal cells. Furthermore, Nef inhibited anchorage-independent growth, colony formation and migration ability of cervical cancer cells. Nef induces mitochondrial apoptosis by increasing pro-apoptotic protein bax, cytochrome-c, cleaved caspase-3 and caspase-9, poly-ADP ribose polymerase (PARP) cleavage, DNA damage (pH2 AX) while downregulating Bcl-2, procaspase-3 and procaspase-9, and TCTP. Of note, apoptotic effect by Nef was significantly attenuated in the presence of N-acetylcysteine (NAC), suggesting pro-oxidant activity of this compound. Nef also promoted autophagy induction through increasing beclin-1, atg-4, atg-5 and atg-12, LC-3 activation, and P 62/SQSTM1 as determined by western blot analysis. Collectively, these results demonstrate that Nef is a potent anticancer compound against cervical cancer cells through inducing apoptosis and autophagic pathway involving ROS.
Collapse
Affiliation(s)
- Subramanyam Dasari
- Department of Biomedical Sciences, College of Medicine, University of Illinois, Rockford, Illinois, USA
| | - Velavan Bakthavachalam
- Department of Biomedical Sciences, College of Medicine, University of Illinois, Rockford, Illinois, USA
| | - Somaiah Chinnapaka
- Department of Biomedical Sciences, College of Medicine, University of Illinois, Rockford, Illinois, USA
| | - Reshmii Venkatesan
- Department of Biomedical Sciences, College of Medicine, University of Illinois, Rockford, Illinois, USA
| | - Angela L P A Samy
- Department of Biomedical Sciences, College of Medicine, University of Illinois, Rockford, Illinois, USA
| | - Gnanasekar Munirathinam
- Department of Biomedical Sciences, College of Medicine, University of Illinois, Rockford, Illinois, USA
| |
Collapse
|
13
|
Zhu H, Blake S, Kusuma FK, Pearson RB, Kang J, Chan KT. Oncogene-induced senescence: From biology to therapy. Mech Ageing Dev 2020; 187:111229. [PMID: 32171687 DOI: 10.1016/j.mad.2020.111229] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 03/08/2020] [Accepted: 03/09/2020] [Indexed: 12/15/2022]
Abstract
Oncogene-induced senescence (OIS) is a powerful intrinsic tumor-suppressive mechanism, arresting cell cycle progression upon oncogene-activating genomic alterations. The discovery and characterization of the senescence-associated secretome unveiled a rich additional complexity to the senescence phenotype, including extrinsic impacts on the microenvironment and engagement of the immune response. Emerging evidence suggests that senescence phenotypes vary depending on the oncogenic stimulus. Therefore, understanding the mechanisms underlying OIS and how they are subverted in cancer will provide invaluable opportunities to identify alternative strategies for treating oncogene-driven cancers. In this review, we primarily discuss the key mechanisms governing OIS driven by the RAS/MAPK and PI3K/AKT pathways and how understanding the biology of senescent cells has uncovered new therapeutic possibilities to target cancer.
Collapse
Affiliation(s)
- Haoran Zhu
- Division of Research, Peter MacCallum Cancer Centre, Melbourne, Victoria, 3000, Australia
| | - Shaun Blake
- Division of Research, Peter MacCallum Cancer Centre, Melbourne, Victoria, 3000, Australia
| | - Frances K Kusuma
- Division of Research, Peter MacCallum Cancer Centre, Melbourne, Victoria, 3000, Australia
| | - Richard B Pearson
- Division of Research, Peter MacCallum Cancer Centre, Melbourne, Victoria, 3000, Australia; Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, 3052, Australia; Department of Biochemistry and Molecular Biology, University of Melbourne, Parkville, Victoria, 3052, Australia; Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, 3168, Australia.
| | - Jian Kang
- Division of Research, Peter MacCallum Cancer Centre, Melbourne, Victoria, 3000, Australia; Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, 3052, Australia
| | - Keefe T Chan
- Division of Research, Peter MacCallum Cancer Centre, Melbourne, Victoria, 3000, Australia; Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, 3052, Australia.
| |
Collapse
|
14
|
Kommalapati VK, Kumar D, Tangutur AD. Inhibition of JNJ-26481585-mediated autophagy induces apoptosis via ROS activation and mitochondrial membrane potential disruption in neuroblastoma cells. Mol Cell Biochem 2020; 468:21-34. [PMID: 32146648 DOI: 10.1007/s11010-020-03708-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 02/21/2020] [Indexed: 01/14/2023]
Abstract
Neuroblastoma (NB) is the common pediatric tumor of the sympathetic nervous system characterized by poor prognosis. Owing to the challenges such as high tumor heterogeneity, multidrug resistance, minimal residual disease, etc., there is an immediate need for exploring new therapeutic strategies and effective treatments for NB. Herein, in the current study, we explored the unexplored response of NB cells to the second-generation histone deacetylase inhibitor (HDACi) JNJ-26481585(JNJ) and the lysosomotropic agent, Chloroquine (CQ) alone and upon JNJ/CQ treatment as a plausible therapeutic. We identify that while JNJ alone induced autophagy in NB cells, JNJ/CQ treatment decreased the viability and proliferation of NB cells in vitro by switching from autophagy to apoptosis. Further we found that autophagy inhibition by CQ pre-treatment led to the generation of ROS and a decrease in the mitochondrial membrane potential (MMP) that subsequently caused caspase-3-mediated apoptotic cell death in NB cells. Corroborating the above observations, we found that the ROS scavenger N-acetylcysteine (NAC) countered caspase-3 activity and the cells were rescued from apoptosis. Finally, these observations establish that JNJ/CQ treatment resulted in cell death in NB cells by triggering the formation of ROS and disruption of MMP, suggesting that modulation of JNJ-induced autophagy by CQ represents a promising new therapeutic approach in NB.
Collapse
Affiliation(s)
- Vamsi Krishna Kommalapati
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, 500007, India.,Academy of Scientific and Innovative Research, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, Telangana, India
| | - Dinesh Kumar
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, 500007, India.,Academy of Scientific and Innovative Research, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, Telangana, India
| | - Anjana Devi Tangutur
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, 500007, India. .,Academy of Scientific and Innovative Research, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, Telangana, India.
| |
Collapse
|
15
|
Zhu L, Zang J, Liu B, Yu G, Hao L, Liu L, Zhong J. Oxidative stress-induced RAC autophagy can improve the HUVEC functions by releasing exosomes. J Cell Physiol 2020; 235:7392-7409. [PMID: 32096219 PMCID: PMC7496456 DOI: 10.1002/jcp.29641] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 02/04/2020] [Indexed: 12/20/2022]
Abstract
Retinal neovascularization (RNV) is a common pathological feature in many kinds of fundus oculi diseases. Sometimes RNV can even lead to severe vision loss. Oxidative injury is one of the main predisposing factors for RNV occurrence and development. The specific mechanism may be closely related to the special structural tissues of the retina. Retinal astrocytes (RACs) are mesenchymal cells located in the retinal neuroepithelial layer. RACs have an intimate anatomical relationship with microvascular endothelial cells. They have a variety of functions, but little is known about the mechanisms by which RACs regulate the function of endothelial cells. The molecules secreted by RACs, such as exosomes, have recently received a lot of attention and may provide potential clues to address the RAC‐mediated modulation of endothelial cells. In this study, we aimed to preliminarily explore the mechanisms of how RAC exosomes generated under oxidative stress are involved in the regulation of endothelial function. Our results showed that the apoptosis and autophagy levels in RACs were positively correlated with the oxidative stress level, and the exosomes generated from RACs under normal and oxidative stress conditions had different effects on the proliferation and migration of endothelial cells. However, the effect of RACs on endothelial cell function could be markedly reversed by the autophagy inhibitor 3‐methyladenine or the exosome inhibitor GW4869. Therefore, oxidative stress can lead to increased autophagy in RACs and can further promote RACs to regulate endothelial cell function by releasing exosomes. tBHP‐induced oxidative stress can increase the level of autophagy in retinal (RAC) astrocytes. RAC with high‐autophagy level has a completely opposite effect on HUVEC functions when compared with normal RAC. RACs under different states have different effects on endothelial cell functions by releasing exosomes
Collapse
Affiliation(s)
- Linxin Zhu
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Jiankun Zang
- Department of Neurology and Stroke Center, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Bing Liu
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Guocheng Yu
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Lili Hao
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Lian Liu
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Jingxiang Zhong
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| |
Collapse
|
16
|
Kumari M, Liu CH, Wu WC. Oligochitosan modified albumin as plasmid DNA delivery vector: Endocytic trafficking, polyplex fate, in vivo compatibility. Int J Biol Macromol 2020; 142:492-502. [DOI: 10.1016/j.ijbiomac.2019.09.121] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 09/15/2019] [Accepted: 09/16/2019] [Indexed: 01/12/2023]
|
17
|
Conway GE, He Z, Hutanu AL, Cribaro GP, Manaloto E, Casey A, Traynor D, Milosavljevic V, Howe O, Barcia C, Murray JT, Cullen PJ, Curtin JF. Cold Atmospheric Plasma induces accumulation of lysosomes and caspase-independent cell death in U373MG glioblastoma multiforme cells. Sci Rep 2019; 9:12891. [PMID: 31501494 PMCID: PMC6733837 DOI: 10.1038/s41598-019-49013-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Accepted: 08/05/2019] [Indexed: 02/07/2023] Open
Abstract
Room temperature Cold Atmospheric Plasma (CAP) has shown promising efficacy for the treatment of cancer but the exact mechanisms of action remain unclear. Both apoptosis and necrosis have been implicated as the mode of cell death in various cancer cells. We have previously demonstrated a caspase-independent mechanism of cell death in p53-mutated glioblastoma multiforme (GBM) cells exposed to plasma. The purpose of this study was to elucidate the molecular mechanisms involved in caspase-independent cell death induced by plasma treatment. We demonstrate that plasma induces rapid cell death in GBM cells, independent of caspases. Accumulation of vesicles was observed in plasma treated cells that stained positive with acridine orange. Western immunoblotting confirmed that autophagy is not activated following plasma treatment. Acridine orange intensity correlates closely with the lysosomal marker Lyso TrackerTM Deep Red. Further investigation using isosurface visualisation of confocal imaging confirmed that lysosomal accumulation occurs in plasma treated cells. The accumulation of lysosomes was associated with concomitant cell death following plasma treatment. In conclusion, we observed rapid accumulation of acidic vesicles and cell death following CAP treatment in GBM cells. We found no evidence that either apoptosis or autophagy, however, determined that a rapid accumulation of late stage endosomes/lysosomes precedes membrane permeabilisation, mitochondrial membrane depolarisation and caspase independent cell death.
Collapse
Affiliation(s)
- Gillian E Conway
- School of Food Science & Environmental Health, Technological University Dublin, Dublin, Ireland. .,FOCAS Research Institute, Technological University Dublin, Dublin, Ireland. .,Environmental Sustainability & Health Institute, Technological University Dublin, Dublin, Ireland. .,In-Vitro Toxicology Group, Institute of Life Science, Swansea University Medical School, Swansea University, Singleton Park, Swansea, UK.
| | - Zhonglei He
- School of Food Science & Environmental Health, Technological University Dublin, Dublin, Ireland.,FOCAS Research Institute, Technological University Dublin, Dublin, Ireland.,Environmental Sustainability & Health Institute, Technological University Dublin, Dublin, Ireland
| | - Ana Lacramioara Hutanu
- School of Biochemistry & Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - George Paul Cribaro
- Institut de Neurociències & Department of Biochemistry and Molecular Biology, School of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Eline Manaloto
- School of Food Science & Environmental Health, Technological University Dublin, Dublin, Ireland.,FOCAS Research Institute, Technological University Dublin, Dublin, Ireland.,Environmental Sustainability & Health Institute, Technological University Dublin, Dublin, Ireland
| | - Alan Casey
- FOCAS Research Institute, Technological University Dublin, Dublin, Ireland.,School of Physics & Clinical & Optometric Sciences, Technological University Dublin, Dublin, Ireland
| | - Damien Traynor
- FOCAS Research Institute, Technological University Dublin, Dublin, Ireland
| | - Vladimir Milosavljevic
- FOCAS Research Institute, Technological University Dublin, Dublin, Ireland.,School of Physics & Clinical & Optometric Sciences, Technological University Dublin, Dublin, Ireland
| | - Orla Howe
- FOCAS Research Institute, Technological University Dublin, Dublin, Ireland.,Environmental Sustainability & Health Institute, Technological University Dublin, Dublin, Ireland.,School of Biological & Health Sciences, Technological University Dublin, Dublin, Ireland
| | - Carlos Barcia
- Institut de Neurociències & Department of Biochemistry and Molecular Biology, School of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - James T Murray
- School of Biochemistry & Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - Patrick J Cullen
- School of Food Science & Environmental Health, Technological University Dublin, Dublin, Ireland.,FOCAS Research Institute, Technological University Dublin, Dublin, Ireland.,Environmental Sustainability & Health Institute, Technological University Dublin, Dublin, Ireland.,School of Chemical and Biomolecular Engineering, University of Sydney, Darlington, Australia
| | - James F Curtin
- School of Food Science & Environmental Health, Technological University Dublin, Dublin, Ireland. .,FOCAS Research Institute, Technological University Dublin, Dublin, Ireland. .,Environmental Sustainability & Health Institute, Technological University Dublin, Dublin, Ireland.
| |
Collapse
|
18
|
Wang Z, Yin F, Xu J, Zhang T, Wang G, Mao M, Wang Z, Sun W, Han J, Yang M, Jiang Y, Hua Y, Cai Z. CYT997(Lexibulin) induces apoptosis and autophagy through the activation of mutually reinforced ER stress and ROS in osteosarcoma. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2019; 38:44. [PMID: 30704503 PMCID: PMC6357486 DOI: 10.1186/s13046-019-1047-9] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Accepted: 01/16/2019] [Indexed: 11/18/2022]
Abstract
Background Osteosarcoma (OS) is a common malignant cancer in children and adolescents and has a cure rate that has not improved in the last two decades. CYT997 (lexibulin) is a novel potent microtubule-targeting agent with various anticancer activities, such as proliferation inhibition, vascular disruption, and cell cycle arrest and apoptosis induction, in multiple cancers. However, the direct cytotoxic mechanisms of CYT997 have not yet been fully characterized. Methods We evaluated apoptosis and autophagy in human osteosarcomas after treatment with CYT997 and investigated the underlying mechanisms. To explore relationships, we used the reactive oxygen species (ROS) scavenger N-acetyl cysteine (NAC), PERK inhibitor GSK2606414, ERO1 inhibitor EN460 and mitochondrial targeted protection peptide elamipretide. BALB/c-nu mice were inoculated with 143B tumor cells to investigate the in vivo effect of CYT997. Results We explored the efficacy and mechanism of CYT997 in osteosarcoma (OS) in vitro and in vivo and demonstrated that CYT997 potently suppresses cell viability and induces apoptosis and autophagy. CYT997 triggered production of ROS and exerted lethal effects via endoplasmic reticulum (ER) stress in OS cells. NAC attenuated these effects. The PERK inhibitor GSK2606414, which can block the ER stress pathway, reduced ROS production and enhanced cell viability. Moreover, activation of ERO1 in the ER stress pathway was responsible for inducing ROS production. ROS produced by the mitochondrial pathway also aggravate ER stress. Protection of mitochondria can reduce apoptosis and autophagy. Finally, CYT997 prominently reduced tumor growth in vivo. Conclusions This study suggests that CYT997 induces apoptosis and autophagy in OS cells by triggering mutually enhanced ER stress and ROS and may thus be a promising agent against OS. Electronic supplementary material The online version of this article (10.1186/s13046-019-1047-9) contains supplementary material, which is available to authorized users.
Collapse
Affiliation(s)
- Zongyi Wang
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Poster address: 100 Haining Road Shanghai, Shanghai, 20160, China
| | - Fei Yin
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Poster address: 100 Haining Road Shanghai, Shanghai, 20160, China
| | - Jing Xu
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Poster address: 100 Haining Road Shanghai, Shanghai, 20160, China
| | - Tao Zhang
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Poster address: 100 Haining Road Shanghai, Shanghai, 20160, China
| | - Gangyang Wang
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Poster address: 100 Haining Road Shanghai, Shanghai, 20160, China
| | - Ming Mao
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Poster address: 100 Haining Road Shanghai, Shanghai, 20160, China
| | - Zhuoying Wang
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Poster address: 100 Haining Road Shanghai, Shanghai, 20160, China
| | - Wei Sun
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Poster address: 100 Haining Road Shanghai, Shanghai, 20160, China
| | - Jing Han
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Poster address: 100 Haining Road Shanghai, Shanghai, 20160, China
| | - Mengkai Yang
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Poster address: 100 Haining Road Shanghai, Shanghai, 20160, China
| | - Yafei Jiang
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Poster address: 100 Haining Road Shanghai, Shanghai, 20160, China
| | - Yingqi Hua
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Poster address: 100 Haining Road Shanghai, Shanghai, 20160, China.
| | - Zhengdong Cai
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Poster address: 100 Haining Road Shanghai, Shanghai, 20160, China.
| |
Collapse
|
19
|
Hagenbuchner J, Lungkofler L, Kiechl-Kohlendorfer U, Viola G, Ferlin MG, Ausserlechner MJ, Obexer P. The tubulin inhibitor MG-2477 induces autophagy-regulated cell death, ROS accumulation and activation of FOXO3 in neuroblastoma. Oncotarget 2018; 8:32009-32026. [PMID: 28415610 PMCID: PMC5458265 DOI: 10.18632/oncotarget.16434] [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: 06/21/2016] [Accepted: 03/08/2017] [Indexed: 12/29/2022] Open
Abstract
Neuroblastoma is the most frequent extra-cranial solid tumor in children with still high mortality in stage M. Here we studied the tubulin-inhibitor MG-2477 as a possible therapeutic agent for neuroblastoma therapy and uncovered that MG-2477 induces death in neuroblastoma cells independent of PKB-activation status and stage. MG-2477 triggers within 30 minutes extensive autophagosome-formation that finally leads to cell death associated with mitotic catastrophe. Autophagy is critical for MG-2477-induced death and is regulated by the BH3-only protein PMAIP1/NOXA which sequesters the anti-apoptotic BCL2-protein BCLXL and thereby displaces and activates the autophagy-regulator BECN1/beclin1. Knockdown of NOXA or overexpression of its pro-survival binding partners MCL1 and BCLXL counteracts MG-2477-induced cell death. MG-2477 also rapidly induces the repression of the anti-apoptotic protein Survivin, which promotes autophagy and cell death. We further observed the accumulation of reactive oxygen species (ROS) that triggers autophagy induction suggesting a change of the PI3 kinase-III/BECN1 complex and activates the transcription factor FOXO3, which contributes to final cell death induction. The combined data suggest that MG-2477 induces a sequential process of ROS-accumulation, autophagy and FOXO3-activation that leads to cell death in neuroblastoma cells.
Collapse
Affiliation(s)
- Judith Hagenbuchner
- Department of Pediatrics II, Medical University Innsbruck, Innsbruck, Austria
| | | | | | - Giampietro Viola
- Department of Woman's and Child's Health, Oncohematology Laboratory University of Padova, Padova, Italy
| | - Maria Grazia Ferlin
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | | | - Petra Obexer
- Department of Pediatrics II, Medical University Innsbruck, Innsbruck, Austria.,Tyrolean Cancer Research Institute, Innsbruck, Austria
| |
Collapse
|
20
|
Brain- and brain tumor-penetrating disulfiram nanoparticles: Sequence of cytotoxic events and efficacy in human glioma cell lines and intracranial xenografts. Oncotarget 2017; 9:3459-3482. [PMID: 29423059 PMCID: PMC5790476 DOI: 10.18632/oncotarget.23320] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 11/26/2017] [Indexed: 12/24/2022] Open
Abstract
There is great interest in repurposing disulfiram (DSF), a rapidly metabolizing nontoxic drug, for brain cancers and other cancers. To overcome the instability and low therapeutic efficacy, we engineered passively-targeted DSF-nanoparticles (DSFNPs) using biodegradable monomethoxy (polyethylene glycol) d,l-lactic-co-glycolic acid (mPEG-PLGA) matrix. The physicochemical properties, cellular uptake and the blood brain-barrier permeability of DSFNPs were investigated. The DSFNPs were highly stable with a size of ∼70 nm with a >90% entrapment. Injection of the nanoparticles labeled with HITC, a near-infrared dye into normal mice and tumor-bearing nude mice followed by in vivo imaging showed a selective accumulation of the formulation within the brain and subcutaneous tumors for >24 h, indicating an increased plasma half-life and entry of DSF into desired sites. The DSFNPs induced a potent and preferential killing of many brain tumor cell lines in cytotoxicity assays. Confocal microscopy showed a quick internalization of the nanoparticles in tumor cells followed by initial accumulation in lysosomes and subsequently in mitochondria. DSFNPs induced high levels of ROS and led to a marked loss of mitochondrial membrane potential. Activation of the MAP-kinase pathway leading to a nuclear translocation of apoptosis-inducing factor and altered expression of apoptotic and anti-apoptotic proteins were also observed. DSFNPs induced a powerful and significant regression of intracranial medulloblastoma xenografts compared to the marginal efficacy of unencapsulated DSF. Together, we show that passively targeted DSFNPs can affect multiple targets, trigger potent anticancer effects, and can offer a sustained drug supply for brain cancer treatment through an enhanced permeability retention (EPR).
Collapse
|
21
|
Xia T, Wang J, Wang Y, Wang Y, Cai J, Wang M, Chen Q, Song J, Yu Z, Huang W, Fang J. Inhibition of autophagy potentiates anticancer property of 20(S)-ginsenoside Rh2 by promoting mitochondria-dependent apoptosis in human acute lymphoblastic leukaemia cells. Oncotarget 2017; 7:27336-49. [PMID: 27027340 PMCID: PMC5053654 DOI: 10.18632/oncotarget.8285] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Accepted: 03/01/2016] [Indexed: 01/03/2023] Open
Abstract
Acute lymphoblastic leukaemia (ALL) is the most prevalent childhood malignancy. Although most children with ALL are cured, there is still a group of patients for which therapy fails owing to severe toxicities and drug resistance. Ginsenoside Rh2 (GRh2), a major bioactive component isolated from Panax ginseng, has been shown to have a therapeutic effect on some tumors. However, the molecular mechanisms of cell death induced by 20(S)-GRh2 in ALL cells remains unclear. In this study, we showed that 20(S)-GRh2 inhibited the cell growth and induced mitochondria-dependent apoptosis and autophagy. But it has no cytotoxic effect on human normal blood cells. Furthermore, autophagy plays a protective role in 20(S)-GRh2-induced apoptosis in ALL cell lines and human primary ALL cells. We demonstrated that either genetic or pharmacologic inhibition of autophagy could be more effective in reducing viability and enhancing 20(S)-GRh2-induced toxicity than 20(S)-GRh2 treatment alone. In addition, inhibition of autophagy could aggravate mitochondrial ROS generation and mitochondrial damage, and then accelerate mitochondria-dependent apoptosis. Taken together, these results suggest that inhibition of autophagy can sensitize ALL cells towards 20(S)-GRh2. The appropriate inhibition of autophagy could provide a powerful strategy to increase the potency of 20(S)-GRh2 as a novel anticancer agent for ALL therapy.
Collapse
Affiliation(s)
- Ting Xia
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, P.R. China
| | - Jiancheng Wang
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, Guangzhou, P.R. China
| | - Yingnan Wang
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, Guangzhou, P.R. China
| | - Yuanyuan Wang
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, Guangzhou, P.R. China
| | - Jianye Cai
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, Guangzhou, P.R. China
| | - Min Wang
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, P.R. China
| | - Qidan Chen
- Department of Chemistry and Pharmacy, Zhuhai College, Jilin University, Zhuhai, P.R. China
| | - Jia Song
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, P.R. China
| | - Ziqi Yu
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, P.R. China
| | - Wei Huang
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, P.R. China
| | - Jianpei Fang
- Department of Pediatrics, Sun Yat-sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, P.R. China.,Key Laboratory of Malignant Tumor Gene Regulation and Target Therapy of Guangdong Higher Education Institutes, Sun Yat-Sen University, Guangzhou, P.R. China
| |
Collapse
|
22
|
Liu J, Kang Y, Yin S, Song B, Wei L, Chen L, Shao L. Zinc oxide nanoparticles induce toxic responses in human neuroblastoma SHSY5Y cells in a size-dependent manner. Int J Nanomedicine 2017; 12:8085-8099. [PMID: 29138564 PMCID: PMC5677299 DOI: 10.2147/ijn.s149070] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Due to the widespread applications of zinc oxide nanoparticles (ZnO NPs), the potential exposure of workers, consumers, and scientists to these particles has increased. This potential for exposure has attracted extensive attention in the science community. Many studies have examined the toxicological profile of ZnO NPs in the immune system, digestive system, however, information regarding the toxicity of ZnO NPs in the nervous system is scarce. In this study, we detected the cytotoxicity of two types of ZnO NPs of various sizes - ZnOa NPs and ZnOb NPs - and we characterized the shedding ability of zinc ions within culture medium and the cytoplasm. We found that reactive oxygen species played a crucial role in ZnO NP-induced cytotoxicity, likely because zinc ions were leached from ZnO NPs. Apoptosis and cytoskeleton changes were also toxic responses induced by the ZnO NPs, and ZnOb NPs induced more significant toxic responses than ZnOa NPs in SHSY5Y cells. In conclusion, ZnO NPs induced toxic responses in SHSY5Y cells in a size-dependent manner, which can probably be attributed to their ion-shedding ability.
Collapse
Affiliation(s)
- Jia Liu
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou
| | - Yiyuan Kang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou
| | - Suhan Yin
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou
| | - Bin Song
- Department of Stomatology, Guizhou Provincial People’s Hospital, Guiyang
| | - Limin Wei
- Department of Pediatric Dentistry, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou
| | - Liangjiao Chen
- Key Laboratory of Oral Medicine, Guangzhou Institute of Oral Disease, Stomatology Hospital of Guangzhou Medical University, Guangzhou, China
| | - Longquan Shao
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou
| |
Collapse
|
23
|
Eriocalyxin B, a novel autophagy inducer, exerts anti-tumor activity through the suppression of Akt/mTOR/p70S6K signaling pathway in breast cancer. Biochem Pharmacol 2017; 142:58-70. [PMID: 28669564 DOI: 10.1016/j.bcp.2017.06.133] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2017] [Accepted: 06/27/2017] [Indexed: 12/26/2022]
Abstract
Eriocalyxin B (EriB), a natural ent-kaurane diterpenoid presented in the plant Isodon eriocalyx var. laxiflora, has been reported to diminish angiogenesis-dependent breast tumor growth. In the present study, the effects of EriB on human breast cancer and its underlying mechanisms were further investigated. The in vitro anti-breast cancer activity of EriB was determined using MCF-7 and MDA-MB-231 cell lines. MDA-MB-231 xenograft model of human breast cancer was also established to explore the anti-tumor effect in vivo. We found that EriB was able to induce apoptosis accompanied by the activation of autophagy, which was evidenced by the increased accumulation of autophagosomes, acidic vesicular organelles formation, the microtubule-associated protein 1A/1B-light chain 3B-II (LC3B-II) conversion from LC3B-I and p62 degradation. Meanwhile, EriB treatment time-dependently decreased the phosphorylation of Akt, mammalian target of rapamycin (mTOR) and ribosomal protein S6 kinase (p70S6K), leading to the inhibition of Akt/mTOR/p70S6K signaling pathway. Moreover, the blockage of autophagy obviously sensitized EriB-induced cell death, which suggested the cytoprotective function of autophagy in both MCF-7 and MDA-MB-231 cells. Interestingly, the autophagic features and apoptosis induction were prevented by reactive oxygen species (ROS) scavenger N-acetyl-l-cysteine, indicating that ROS played an essential role in the mediation of EriB-induced cell death. Furthermore, in MDA-MB-231 xenograft model, EriB displayed a significant anti-tumor effect via the activation of autophagy and apoptosis in breast tumor cells. Taken together, our findings firstly demonstrated that EriB suppressed breast cancer cells growth both in vitro and in vivo, and thus could be developed as a promising anti-breast tumor agent.
Collapse
|
24
|
Keta OD, Todorović DV, Bulat TM, Cirrone PGA, Romano F, Cuttone G, Petrović IM, Ristić Fira AM. Comparison of human lung cancer cell radiosensitivity after irradiations with therapeutic protons and carbon ions. Exp Biol Med (Maywood) 2017; 242:1015-1024. [PMID: 27633574 PMCID: PMC5444635 DOI: 10.1177/1535370216669611] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Accepted: 08/23/2016] [Indexed: 12/05/2023] Open
Abstract
The aim of this study was to investigate effects of irradiations with the therapeutic proton and carbon ion beams in two non-small cell lung cancers, CRL5876 adenocarcinoma and HTB177 large cell lung carcinoma. The DNA damage response dynamics, cell cycle regulation, and cell death pathway activation were followed. Viability of both cell lines was lower after carbon ions compared to the therapeutic proton irradiations. HTB177 cells showed higher recovery than CRL5876 cells seven days following the treatments, but the survival rates of both cell lines were lower after exposure to carbon ions with respect to therapeutic protons. When analyzing cell cycle distribution of both CRL5876 and HTB177 cells, it was noticed that therapeutic protons predominantly induced G1 arrest, while the cells after carbon ions were arrested in G2/M phase. The results illustrated that differences in the levels of phosphorylated H2AX, a double-strand break marker, exist after therapeutic proton and carbon ion irradiations. We also observed dose- and time-dependent increase in the p53 and p21 levels after applied irradiations. Carbon ions caused larger increase in the quantity of p53 and p21 compared to therapeutic protons. These results suggested that various repair mechanisms were induced in the treated cells. Considering the fact that we have not observed any distinct change in the Bax/Bcl-2 ratio following irradiations, it seemed that different types of cell death were involved in the response to the two types of irradiations that were applied.
Collapse
Affiliation(s)
- Otilija D Keta
- Vinča Institute of Nuclear Sciences, University of Belgrade, Belgrade 11001, Serbia
| | | | - Tanja M Bulat
- Vinča Institute of Nuclear Sciences, University of Belgrade, Belgrade 11001, Serbia
| | - Pablo GA Cirrone
- Laboratori Nazionali del Sud, Instituto Nazionale di Fisica Nucleare, Catania 95123, Italy
| | - Francesco Romano
- Laboratori Nazionali del Sud, Instituto Nazionale di Fisica Nucleare, Catania 95123, Italy
| | - Giacomo Cuttone
- Laboratori Nazionali del Sud, Instituto Nazionale di Fisica Nucleare, Catania 95123, Italy
| | - Ivan M Petrović
- Vinča Institute of Nuclear Sciences, University of Belgrade, Belgrade 11001, Serbia
| | | |
Collapse
|
25
|
Kalai Selvi S, Vinoth A, Varadharajan T, Weng CF, Vijaya Padma V. Neferine augments therapeutic efficacy of cisplatin through ROS- mediated non-canonical autophagy in human lung adenocarcinoma (A549 cells). Food Chem Toxicol 2017; 103:28-40. [DOI: 10.1016/j.fct.2017.02.020] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 01/25/2017] [Accepted: 02/14/2017] [Indexed: 12/31/2022]
|
26
|
Chalcone flavokawain B induces autophagic-cell death via reactive oxygen species-mediated signaling pathways in human gastric carcinoma and suppresses tumor growth in nude mice. Arch Toxicol 2017; 91:3341-3364. [DOI: 10.1007/s00204-017-1967-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Accepted: 03/21/2017] [Indexed: 01/04/2023]
|
27
|
Tang ZH, Cao WX, Wang ZY, Lu JH, Liu B, Chen X, Lu JJ. Induction of reactive oxygen species-stimulated distinctive autophagy by chelerythrine in non-small cell lung cancer cells. Redox Biol 2017; 12:367-376. [PMID: 28288416 PMCID: PMC5349618 DOI: 10.1016/j.redox.2017.03.009] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 03/08/2017] [Accepted: 03/08/2017] [Indexed: 01/07/2023] Open
Abstract
Chelerythrine (CHE), a natural benzo[c]phenanthridine alkaloid, shows anti-cancer effect through a number of mechanisms. Herein, the effect and mechanism of the CHE-induced autophagy, a type II programmed cell death, in non-small cell lung cancer (NSCLC) cells were studied for the first time. CHE induced cell viability decrease, colony formation inhibition, and apoptosis in a concentration-dependent manner in NSCLC A549 and NCI-H1299 cells. In addition, CHE triggered the expression of phosphatidylethanolamine-modified microtubule-associated protein light-chain 3 (LC3-II). The CHE-induced expression of LC3-II was further increased in the combination treatment with chloroquine (CQ), an autophagy inhibitor, and large amounts of red-puncta were observed in the CHE-treated A549 cells with stable expression of mRFP-EGFP-LC3, indicating that CHE induces autophagy flux. Silence of beclin 1 reversed the CHE-induced expression of LC3-II. Inhibition of autophagy remarkably reversed the CHE-induced cell viability decrease and apoptosis in NCI-H1299 cells but not in A549 cells. Furthermore, CHE triggered reactive oxygen species (ROS) generation in both cell lines. A decreased level of ROS through pretreatment with N-acetyl-L-cysteine reversed the CHE-induced cell viability decrease, apoptosis, and autophagy. Taken together, CHE induced distinctive autophagy in A549 (accompanied autophagy) and NCI-H1299 (pro-death autophagy) cells and a decreased level of ROS reversed the effect of CHE in NSCLC cells in terms of cell viability, apoptosis, and autophagy. Chelerythrine induces autophagic flux in non-small cell lung cancer (NSCLC) A549 and NCI-H1299 cells. Chelerythrine induces an accompanied autophagy in A549 cells, while a pro-death autophagy in NCI-H1299 cells. A decreased level of ROS reverses the chelerythrine-induced apoptosis and autophagy in NSCLC cells.
Collapse
Affiliation(s)
- Zheng-Hai Tang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Wen-Xiang Cao
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Zhao-Yu Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Jia-Hong Lu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Bo Liu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Xiuping Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Jin-Jian Lu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China.
| |
Collapse
|
28
|
Behnen M, Möller S, Brozek A, Klinger M, Laskay T. Extracellular Acidification Inhibits the ROS-Dependent Formation of Neutrophil Extracellular Traps. Front Immunol 2017; 8:184. [PMID: 28293240 PMCID: PMC5329032 DOI: 10.3389/fimmu.2017.00184] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Accepted: 02/09/2017] [Indexed: 11/13/2022] Open
Abstract
The inflammatory microenvironment is commonly characterized by extracellular acidosis (pH < 7.35). Sensitivity to pH, CO2 or bicarbonate concentrations allows neutrophils to react to changes in their environment and to detect inflamed areas in the tissue. One important antimicrobial effector mechanism is the production of neutrophil extracellular traps (NETs), which are released during a programmed reactive oxygen species (ROS)-dependent cell death, the so-called NETosis. Although several functions of neutrophils have been analyzed under acidic conditions, the effect of extracellular acidosis on NETosis remains mainly unexplored and the available experimental results are contradictory. We performed a comprehensive study with the aim to elucidate the effect of extracellular acidosis on ROS-dependent NETosis of primary human neutrophils and to identify the underlying mechanisms. The study was performed in parallel in a CO2–bicabonate-buffered culture medium, which mimics in vivo conditions, and under HEPES-buffered conditions to verify the effect of pH independent of CO2 or bicarbonate. We could clearly show that extracellular acidosis (pH 6.5, 6.0, and 5.5) and intracellular acidification inhibit the release of ROS-dependent NETs upon stimulation of neutrophils with phorbol myristate acetate and immobilized immune complexes. Moreover, our findings suggest that the diminished NET release is a consequence of reduced ROS production and diminished glycolysis of neutrophils under acidic conditions. It was suggested previously that neutrophils can sense the border of inflamed tissue by the pH gradient and that a drop in pH serves as an indicator for the progress of inflammation. Following this hypothesis, our data indicate that an acidic inflammatory environment results in inhibition of extracellular operating effector mechanisms of neutrophils such as release of ROS and NETs. This way the release of toxic components and tissue damage can be avoided. However, we observed that major antimicrobial effector mechanisms such as phagocytosis and the killing of pathogens by neutrophils remain functional under acidic conditions.
Collapse
Affiliation(s)
- Martina Behnen
- Department for Infectious Diseases and Microbiology, University of Lübeck , Lübeck , Germany
| | - Sonja Möller
- Department for Infectious Diseases and Microbiology, University of Lübeck , Lübeck , Germany
| | - Antonia Brozek
- Department for Infectious Diseases and Microbiology, University of Lübeck , Lübeck , Germany
| | | | - Tamás Laskay
- Department for Infectious Diseases and Microbiology, University of Lübeck , Lübeck , Germany
| |
Collapse
|
29
|
Taxifolin synergizes Andrographolide-induced cell death by attenuation of autophagy and augmentation of caspase dependent and independent cell death in HeLa cells. PLoS One 2017; 12:e0171325. [PMID: 28182713 PMCID: PMC5300218 DOI: 10.1371/journal.pone.0171325] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Accepted: 01/18/2017] [Indexed: 01/06/2023] Open
Abstract
Andrographolide (Andro) has emerged recently as a potential and effective anticancer agent with induction of apoptosis in some cancer cell lines while induction of G2/M arrest with weak apoptosis in others. Few studies have proved that Andro is also effective in combination therapy. The flavonoid Taxifolin (Taxi) has showed anti-oxidant and antiproliferative effects against different cancer cells. Therefore, the present study investigated the cytotoxic effects of Andro alone or in combination with Taxi on HeLa cells. The combination of Andro with Taxi was synergistic at all tested concentrations and combination ratios. Andro alone induced caspase-dependent apoptosis which was enhanced by the combination with Taxi and attenuated partly by using Z-Vad-Fmk. Andro induced a protective reactive oxygen species (ROS)-dependent autophagy which was attenuated by Taxi. The activation of p53 was involved in Andro-induced autophagy where the use of Taxi or pifithrin-α (PFT-α) decreased it while the activation of JNK was involved in the cell death of HeLa cells but not in the induction of autophagy. The mitochondrial outer-membrane permeabilization (MOMP) plays an important role in Andro-induced cell death in HeLa cells. Andro alone increased the MOMP which was further increased in the case of combination. This led to the increase in AIF and cytochrome c release from mitochondria which consequently increased caspase-dependent and independent cell death. In conclusion, Andro induced a protective autophagy in HeLa cells which was reduced by Taxi and the cell death was increased by increasing the MOMP and subsequently the caspase-dependent and independent cell death.
Collapse
|
30
|
Saxena R, Yang C, Rao M, Turaga RC, Garlapati C, Gundala SR, Myers K, Ghareeb A, Bhattarai S, Kamalinia G, Bristi S, Su D, Gadda G, Rida PCG, Cantuaria GH, Aneja R. Preclinical Development of a Nontoxic Oral Formulation of Monoethanolamine, a Lipid Precursor, for Prostate Cancer Treatment. Clin Cancer Res 2017; 23:3781-3793. [PMID: 28167510 DOI: 10.1158/1078-0432.ccr-16-1716] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Revised: 01/10/2017] [Accepted: 01/22/2017] [Indexed: 12/27/2022]
Abstract
Purpose: Most currently available chemotherapeutic agents target rampant cell division in cancer cells, thereby affecting rapidly dividing normal cells resulting in toxic side-effects. This nonspecificity necessitates identification of novel cellular pathways that are reprogrammed selectively in cancer cells and can be exploited to develop pharmacologically superior and less toxic therapeutics. Despite growing awareness on dysregulation of lipid metabolism in cancer cells, targeting lipid biosynthesis is still largely uncharted territory. Herein, we report development of a novel nontoxic orally deliverable anticancer formulation of monoethanolamine (Etn) for prostate cancer by targeting the Kennedy pathway of phosphatidylethanolamine (PE) lipid biosynthesis.Experimental Design: We first evaluated gastrointestinal tract stability, drug-drug interaction liability, pharmacokinetic, and toxicokinetic properties of Etn to evaluate its suitability as a nontoxic orally deliverable agent. We next performed in vitro and in vivo experiments to investigate efficacy and mechanism of action.Results: Our data demonstrate that Etn exhibits excellent bioavailability, gastrointestinal tract stability, and no drug-drug interaction liability. Remarkably, orally fed Etn inhibited tumor growth in four weeks by approximately 67% in mice bearing human prostate cancer PC-3 xenografts without any apparent toxicity. Mechanistically, Etn exploits selective overexpression of choline kinase in cancer cells, resulting in accumulation of phosphoethanolamine (PhosE), accompanied by downregulation of HIF-1α that induces metabolic stress culminating into cell death.Conclusions: Our study provides first evidence for the superior anticancer activity of Etn, a simple lipid precursor formulation, whose nontoxicity conforms to FDA-approved standards, compelling its clinical development for prostate cancer management. Clin Cancer Res; 23(14); 3781-93. ©2017 AACR.
Collapse
Affiliation(s)
- Roopali Saxena
- Department of Biology, Georgia State University, Atlanta, Georgia
| | - Chunhua Yang
- Department of Biology, Georgia State University, Atlanta, Georgia
| | - Mukkavilli Rao
- Department of Biology, Georgia State University, Atlanta, Georgia
| | | | | | | | - Kimberly Myers
- Department of Biology, Georgia State University, Atlanta, Georgia
| | - Ahmed Ghareeb
- Department of Biology, Georgia State University, Atlanta, Georgia
| | | | - Golnaz Kamalinia
- Department of Biology, Georgia State University, Atlanta, Georgia
| | - Sangina Bristi
- Department of Biology, Georgia State University, Atlanta, Georgia
| | - Dan Su
- Department of Chemistry, Georgia State University, Atlanta, Georgia
| | - Giovanni Gadda
- Department of Chemistry, Georgia State University, Atlanta, Georgia
| | | | - Guilherme H Cantuaria
- Department of Gynecologic Oncology, Northside Hospital Cancer Institute, Atlanta, Georgia
| | - Ritu Aneja
- Department of Biology, Georgia State University, Atlanta, Georgia.
| |
Collapse
|
31
|
Cheng YT, Yang CC, Shyur LF. Phytomedicine-Modulating oxidative stress and the tumor microenvironment for cancer therapy. Pharmacol Res 2016; 114:128-143. [PMID: 27794498 DOI: 10.1016/j.phrs.2016.10.022] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Revised: 10/21/2016] [Accepted: 10/24/2016] [Indexed: 12/18/2022]
Abstract
In spite of the current advances and achievements in systems biology and translational medicinal research, the current strategies for cancer therapy, such as radiotherapy, targeted therapy, immunotherapy and chemotherapy remain palliative or unsatisfactory due to tumor metastasis or recurrence after surgery/therapy, drug resistance, adverse side effects, and so on. Oxidative stress (OS) plays a critical role in chronic/acute inflammation, carcinogenesis, tumor progression, and tumor invasion/metastasis which is also attributed to the dynamic and complex properties and activities in the tumor microenvironment (TME). Re-educating or reprogramming tumor-associated stromal or immune cells in the TME provides an approach for restoring immune surveillance impaired by disease in cancer patients to increase overall survival and reduce drug resistance. Herbal medicines or plant-derived natural products have historically been a major source of anti-cancer drugs. Delving into the lore of herbal medicine may uncover new leads for anti-cancer drugs. Phytomedicines have been widely documented to directly or indirectly target multiple signaling pathways and networks in cancer cells. A combination of anti-cancer drugs and polypharmacological plant-derived extracts or compounds may offer a significant advantage in sensitizing the efficacy of monotherapy and overcoming drug-induced resistance in cancer patients. This review introduces several phytochemicals and phytoextracts derived from medicinal plants or dietary vegetables that have been studied for their efficacy in preclinical cancer models. We address the underlying modes of action of induction of OS and deregulation of TME-associated stromal cells, mediators and signaling pathways, and reference the related clinical investigations that look at the single or combination use of phytochemicals and phytoextracts to sensitize anti-cancer drug effects and/or overcome drug resistance.
Collapse
Affiliation(s)
- Yu-Ting Cheng
- Molecular and Biological Agricultural Sciences Program, Taiwan International Graduate Program, Academia Sinica, Taipei 115, Taiwan; Agricultural Biotechnology Research Center, Academia Sinica, Taipei 115, Taiwan; Graduate Institute of Biotechnology, National Chung Hsing University, Taichung 402, Taiwan
| | - Chun-Chih Yang
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei 115, Taiwan; Ph.D. Program for Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University and Academia Sinica, Taiwan
| | - Lie-Fen Shyur
- Molecular and Biological Agricultural Sciences Program, Taiwan International Graduate Program, Academia Sinica, Taipei 115, Taiwan; Agricultural Biotechnology Research Center, Academia Sinica, Taipei 115, Taiwan; Graduate Institute of Biotechnology, National Chung Hsing University, Taichung 402, Taiwan; Ph.D. Program for Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University and Academia Sinica, Taiwan; Graduate Institute of Pharmacognosy, Taipei Medical University, Taipei 110, Taiwan.
| |
Collapse
|
32
|
Thiyagarajan V, Sivalingam KS, Viswanadha VP, Weng CF. 16-hydroxy-cleroda-3,13-dien-16,15-olide induced glioma cell autophagy via ROS generation and activation of p38 MAPK and ERK-1/2. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2016; 45:202-211. [PMID: 27318969 DOI: 10.1016/j.etap.2016.06.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Revised: 05/29/2016] [Accepted: 06/05/2016] [Indexed: 06/06/2023]
Abstract
16-hydroxy-cleroda-3,13-dien-16,15-olide (HCD), a natural product isolated from medicinal plant Polyalthia longifolia exhibits anticancer activity through caspase-independent apoptosis in brain tumors, as previously reported. This study further attempted to investigate the involvement of HCD-induced autophagy in brain tumor cell lines neuroblastoma N18 and glioma C6 through the induction of reactive oxygen species (ROS) and the activation of p38 and ERK-1/2 pathway. The results demonstrated that HCD increased the hyper-generation of ROS and decreased cellular antioxidant enzymes, such as superoxide dismutase (SOD), glutathione (GSH), glutathione peroxidase (GPx), and glutathione s transferase (GST). Furthermore, HCD increased the expressions of autophagic marker proteins LC3-II and Beclin-1 in a time- and dose-dependent manner. Additionally, HCD was found to significantly induce p-p38 MAPK and p-ERK-1/2 proteins by Western blot, which implies that HCD is a potential therapeutic anticancer agent that exerts its activity through inducing ROS-mediation for the autophagy of brain tumor cells.
Collapse
Affiliation(s)
- Varadharajan Thiyagarajan
- Department of Life Science and the Institute of Biotechnology, National Dong Hwa University, Hualien 97401, Taiwan
| | - Kalai Selvi Sivalingam
- Animal Tissue Culture and Molecular Genetics Laboratory, Department of Biotechnology, School of Biotechnology and Genetic Engineering, Bharathiar University, Coimbatore 641 046, India
| | - Vijaya Padma Viswanadha
- Animal Tissue Culture and Molecular Genetics Laboratory, Department of Biotechnology, School of Biotechnology and Genetic Engineering, Bharathiar University, Coimbatore 641 046, India
| | - Ching-Feng Weng
- Department of Life Science and the Institute of Biotechnology, National Dong Hwa University, Hualien 97401, Taiwan.
| |
Collapse
|
33
|
Wang HJ, Murray GJ, Jung MK. Host homeostatic responses to alcohol-induced cellular stress in animal models of alcoholic liver disease. Expert Rev Gastroenterol Hepatol 2016; 9:1193-205. [PMID: 26293978 DOI: 10.1586/17474124.2015.1069705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Humans develop various clinical phenotypes of severe alcoholic liver disease, including alcoholic hepatitis and cirrhosis, generally after decades of heavy drinking. In such individuals, following each episode of drinking, their livers experience heightened intracellular and extracellular stresses that are closely associated with alcohol consumption and alcohol metabolism. This article focuses on the latest advances made in animal models on evolutionarily conserved homeostatic mechanisms for coping with and resolving these stress conditions. The mechanisms discussed include the stress-activated protein kinase JNK, energy regulator AMPK, autophagy and the inflammatory response. Over time, the host may respond variably to stress with protective mechanisms that are critical in determining an individual's vulnerability to developing severe alcoholic liver disease. A systematic review of these mechanisms and their temporal changes in animal models provides the basis for general conclusions, and raises questions for future studies. The relevance of these data to human conditions is also discussed.
Collapse
Affiliation(s)
- He Joe Wang
- a Division of Metabolism and Health Effect, National Institute of Alcohol Abuse and Alcoholism/NIH, 5635 Fishers Lane, MSC 9304, Bethesda, MD 20892-9304, USA
| | | | | |
Collapse
|
34
|
Jeon YM, Lee MY. Airborne nanoparticles (PM0.1 ) induce autophagic cell death of human neuronal cells. J Appl Toxicol 2016; 36:1332-42. [PMID: 27080386 DOI: 10.1002/jat.3324] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Revised: 02/23/2016] [Accepted: 02/24/2016] [Indexed: 12/21/2022]
Abstract
Airborne nanoparticles PM0.1 (<100 nm in diameter) were collected and their chemical composition was determined. Al was by far the most abundant metal in the PM0.1 followed by Zn, Cr, Mn, Cu, Pb and Ni. Exposure to PM0.1 resulted in a cell viability decrease in human neuronal cells SH-SY5Y in a concentration-dependent manner. Upon treatment with N-acetylcysteine, however, cell viability was significantly recovered, suggesting the involvement of reactive oxygen species (ROS). Cellular DNA damage by PM0.1 was also detected by the Comet assay. PM0.1 -induced autophagic cell death was explained by an increase in the expression of microtubule-associated protein light chain 3A-ІІ (LC3A-ІІ) and autophagy-related protein Atg 3 and Atg 7. Analysis of 2-DE gels revealed that six proteins were upregulated, whereas eight proteins were downregulated by PM0.1 exposure. Neuroinflammation-related lithostathine and cyclophilin A complexed with dipeptide Gly-Pro, autophagy-related heat shock protein gp96 and neurodegeneration-related triosephosphate isomerase were significantly changed upon exposure to PM0.1 . These results, taken together, suggest that PM0.1 -induced oxidative stress via ROS generation plays a key role in autophagic cell death and differential protein expressions in SH-SY5Y cells. This might provide a plausible explanation for the underlying mechanisms of PM0.1 toxicity in neuronal cells and even the pathogenesis of diseases associated with its exposure. Copyright © 2016 John Wiley & Sons, Ltd.
Collapse
Affiliation(s)
- Yu-Mi Jeon
- Department of Medical Science, Graduate School of Soonchunhyang University, Asan, Chungnam, 336-745, Republic of Korea.,Korea Brain Research Institute, Research Division, Daegu, 700-010, Republic of Korea
| | - Mi-Young Lee
- Department of Medical Science, Graduate School of Soonchunhyang University, Asan, Chungnam, 336-745, Republic of Korea.,Department of Medical Biotechnology, Soonchunhyang University, Asan, Chungnam, 336-745, Republic of Korea
| |
Collapse
|
35
|
Kim SH, Choi YJ, Kim KY, Yu SN, Seo YK, Chun SS, Noh KT, Suh JT, Ahn SC. Salinomycin simultaneously induces apoptosis and autophagy through generation of reactive oxygen species in osteosarcoma U2OS cells. Biochem Biophys Res Commun 2016; 473:607-13. [DOI: 10.1016/j.bbrc.2016.03.132] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 03/27/2016] [Indexed: 11/26/2022]
|
36
|
Unravelling the relationship between macroautophagy and mitochondrial ROS in cancer therapy. Apoptosis 2016; 21:517-31. [DOI: 10.1007/s10495-016-1236-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
|
37
|
Klimaszewska-Wisniewska A, Halas-Wisniewska M, Tadrowski T, Gagat M, Grzanka D, Grzanka A. Paclitaxel and the dietary flavonoid fisetin: a synergistic combination that induces mitotic catastrophe and autophagic cell death in A549 non-small cell lung cancer cells. Cancer Cell Int 2016; 16:10. [PMID: 26884726 PMCID: PMC4754822 DOI: 10.1186/s12935-016-0288-3] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Accepted: 02/06/2016] [Indexed: 01/22/2023] Open
Abstract
Background
The use of the dietary polyphenols as chemosensitizing agents to enhance the efficacy of conventional cytostatic drugs has recently gained the attention of scientists and clinicians as a plausible approach for overcoming the limitations of chemotherapy (e.g. drug resistance and cytotoxicity). The aim of this study was to investigate whether a naturally occurring diet-based flavonoid, fisetin, at physiologically attainable concentrations, could act synergistically with clinically achievable doses of paclitaxel to produce growth inhibitory and/or pro-death effects on A549 non-small cell lung cancer cells, and if it does, what mechanisms might be involved. Methods The drug–drug interactions were analyzed based on the combination index method of Chou and Talalay and the data from MTT assays. To provide some insights into the mechanism underlying the synergistic action of fisetin and paclitaxel, selected morphological, biochemical and molecular parameters were examined, including the morphology of cell nuclei and mitotic spindles, the pattern of LC3-II immunostaining, the formation of autophagic vacuoles at the electron and fluorescence microscopic level, the disruption of cell membrane asymmetry/integrity, cell cycle progression and the expression level of LC3-II, Bax, Bcl-2 and caspase-3 mRNA. Results Here, we reported the first experimental evidence for the existence of synergism between fisetin and paclitaxel in the in vitro model of non-small cell lung cancer. This synergism was, at least partially, ascribed to the induction of mitotic catastrophe. The switch from the cytoprotective autophagy to the autophagic cell death was also implicated in the mechanism of the synergistic action of fisetin and paclitaxel in the A549 cells. In addition, we revealed that the synergism between fisetin and paclitaxel was cell line-specific as well as that fisetin synergizes with arsenic trioxide, but not with mitoxantrone and methotrexate in the A549 cells. Conclusions Our results provide rationale for further testing of fisetin in the combination with paclitaxel or arsenic trioxide to obtain detailed insights into the mechanism of their synergistic action as well as to evaluate their toxicity towards normal cells in an animal model in vivo. We conclude that this study is potentially interesting for the development of novel chemotherapeutic approach to non-small cell lung cancer. Electronic supplementary material The online version of this article (doi:10.1186/s12935-016-0288-3) contains supplementary material, which is available to authorized users.
Collapse
Affiliation(s)
- Anna Klimaszewska-Wisniewska
- Department of Histology and Embryology, Faculty of Medicine, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Karlowicza 24, 85-092 Bydgoszcz, Poland
| | - Marta Halas-Wisniewska
- Department of Histology and Embryology, Faculty of Medicine, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Karlowicza 24, 85-092 Bydgoszcz, Poland
| | - Tadeusz Tadrowski
- Department and Clinic of Dermatology, Sexually Transmitted Diseases and Immunodermatology, Faculty of Medicine, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, M. Curie Skłodowskiej 9, 85-094 Bydgoszcz, Poland
| | - Maciej Gagat
- Department of Histology and Embryology, Faculty of Medicine, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Karlowicza 24, 85-092 Bydgoszcz, Poland
| | - Dariusz Grzanka
- Department and Clinic of Dermatology, Sexually Transmitted Diseases and Immunodermatology, Faculty of Medicine, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, M. Curie Skłodowskiej 9, 85-094 Bydgoszcz, Poland
| | - Alina Grzanka
- Department of Histology and Embryology, Faculty of Medicine, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Karlowicza 24, 85-092 Bydgoszcz, Poland
| |
Collapse
|
38
|
Bhattacharya S, Das A, Datta S, Ganguli A, Chakrabarti G. Colchicine induces autophagy and senescence in lung cancer cells at clinically admissible concentration: potential use of colchicine in combination with autophagy inhibitor in cancer therapy. Tumour Biol 2016; 37:10653-64. [PMID: 26867767 DOI: 10.1007/s13277-016-4972-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Accepted: 02/03/2016] [Indexed: 01/19/2023] Open
Abstract
Colchicine is a well-known and potent microtubule targeting agent, but the therapeutic value of colchicine against cancer is limited by its toxicity against normal cells. But, there is no report of its cytotoxic potential against lung cancer cell, at clinically permissible or lower concentrations, minimally toxic to non-cancerous cells. Hence, in the present study, we investigated the possible mechanism by which the efficacy of colchicine against lung cancer cells at less toxic dose could be enhanced. Colchicine at clinically admissible concentration of 2.5 nM had no cytotoxic effect and caused no G2/M arrest in A549 cells. However, at this concentration, colchicine strongly hindered the reformation of cold depolymerised interphase and spindle microtubule. Colchicine induced senescence and reactive oxygen species mediated autophagy in A549 cells at this concentration. Autophagy inhibitor 3-methyladenine (3-MA) sensitised the cytotoxicity of colchicine in A549 cells by switching senescence to apoptotic death, and this combination had reduced cytotoxicity to normal lung fibroblast cells (WI38). Together, these findings indicated the possible use of colchicine at clinically relevant dose along with autophagy inhibitor in cancer therapy.
Collapse
Affiliation(s)
- Surela Bhattacharya
- Department of Biotechnology and Dr. B.C. Guha Centre for Genetic Engineering and Biotechnology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, WB, 700 019, India
| | - Amlan Das
- Department of Biotechnology and Dr. B.C. Guha Centre for Genetic Engineering and Biotechnology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, WB, 700 019, India
| | - Satabdi Datta
- Department of Biotechnology and Dr. B.C. Guha Centre for Genetic Engineering and Biotechnology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, WB, 700 019, India
| | - Arnab Ganguli
- Department of Biotechnology and Dr. B.C. Guha Centre for Genetic Engineering and Biotechnology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, WB, 700 019, India
| | - Gopal Chakrabarti
- Department of Biotechnology and Dr. B.C. Guha Centre for Genetic Engineering and Biotechnology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, WB, 700 019, India.
| |
Collapse
|
39
|
XU YOUZHI, LI YONGHUAI, LU WENJIE, LU KUN, WANG CHUNTING, LI YAN, LIN HONGJUN, KAN LIXIN, YANG SHENGYONG, WANG SIYING, ZHAO YINGLAN. YL4073 is a potent autophagy-stimulating antitumor agent in an in vivo model of Lewis lung carcinoma. Oncol Rep 2016; 35:2081-8. [DOI: 10.3892/or.2016.4603] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Accepted: 12/07/2015] [Indexed: 11/06/2022] Open
|
40
|
Shen Z, Shao J, Dai J, Lin Y, Yang X, Ma J, He Q, Yang B, Yao K, Luo P. Diosmetin protects against retinal injury via reduction of DNA damage and oxidative stress. Toxicol Rep 2015; 3:78-86. [PMID: 28959525 PMCID: PMC5615423 DOI: 10.1016/j.toxrep.2015.12.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Revised: 12/02/2015] [Accepted: 12/12/2015] [Indexed: 11/15/2022] Open
Abstract
Visual impairment is a global public health problem that needs new candidate drugs. Chrysanthemum is a traditional Chinese drug, famous for its eye-protective function, with an unclear mechanism of action. To determine how chrysanthemum contributes to vision, we identified, for the first time, the component of chrysanthemum, diosmetin (DIO), which acts in protecting the injured retina in an adriamycin (ADR) improving model. We observed that DIO could attenuate the apoptosis of retinal cells in Sprague–Dawley rats and verified this effect in cultured human retinal pigment epithelium (RPE) cells, ARPE-19. Our further study on the mechanism revealed the counteractive effect of DIO on the attenuation of DNA damage and oxidative stress, which occurs in a wide range of retinal disorders. These results collectively promise the potential value of DIO as a retinal-protective agent for disorders that lead to blindness. In addition, we identified, for the first time, the component of chrysanthemum, DIO, which acts in protecting the injured retina.
Collapse
Key Words
- ADR, adriamycin
- AMD, age-related macular degeneration
- ATP, adenosine triphosphate
- Apoptosis
- CNV, choroidal neovascularisation
- Chrysanthemum
- DIO, diosmetin
- DNA damage
- Diosmetin
- Diosmetin (PubChem CID5281612)
- Doxorubicin (PubChem CID31703)
- H&E, hematoxylin and eosin
- IC50, inhibition for 50% of the cells
- IVI, intravitreal injection
- Oxidative stress
- PVR, proliferative vitreoretinopathy
- ROS, reactive oxygen species
- RPE, retinal pigment epithelium
- Retinal injury
- Retinal pigment epithelium
Collapse
Affiliation(s)
- Zeren Shen
- Institute of Pharmacology & Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China.,Eye Center, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, P.R. China
| | - Jinjin Shao
- Institute of Pharmacology & Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China
| | - Jiabin Dai
- Institute of Pharmacology & Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China
| | - Yuchen Lin
- Institute of Pharmacology & Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China.,Eye Center, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, P.R. China
| | - Xiaochun Yang
- Institute of Pharmacology & Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China
| | - Jian Ma
- Center for Drug Safety Evaluation and Research of Zhejiang University, Hangzhou, P.R. China
| | - Qiaojun He
- Institute of Pharmacology & Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China
| | - Bo Yang
- Institute of Pharmacology & Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China
| | - Ke Yao
- Eye Center, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, P.R. China
| | - Peihua Luo
- Institute of Pharmacology & Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China
| |
Collapse
|
41
|
|
42
|
Rida PCG, LiVecche D, Ogden A, Zhou J, Aneja R. The Noscapine Chronicle: A Pharmaco-Historic Biography of the Opiate Alkaloid Family and its Clinical Applications. Med Res Rev 2015; 35:1072-96. [PMID: 26179481 DOI: 10.1002/med.21357] [Citation(s) in RCA: 84] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Given its manifold potential therapeutic applications and amenability to modification, noscapine is a veritable "Renaissance drug" worthy of commemoration. Perhaps the only facet of noscapine's profile more astounding than its versatility is its virtual lack of side effects and addictive properties, which distinguishes it from other denizens of Papaver somniferum. This review intimately chronicles the rich intellectual and pharmacological history behind the noscapine family of compounds, the length of whose arms was revealed over decades of patient scholarship and experimentation. We discuss the intriguing story of this family of nontoxic alkaloids, from noscapine's purification from opium at the turn of the 19th century in Paris to the recent torrent of rationally designed analogs with tremendous anticancer potential. In between, noscapine's unique pharmacology; impact on cellular signaling pathways, the mitotic spindle, and centrosome clustering; use as an antimalarial drug and cough suppressant; and exceptional potential as a treatment for polycystic ovarian syndrome, strokes, and diverse malignancies are catalogued. Seminal experiments involving some of its more promising analogs, such as amino-noscapine, 9-nitronoscapine, 9-bromonoscapine, and reduced bromonoscapine, are also detailed. Finally, the bright future of these oftentimes even more exceptional derivatives is described, rounding out a portrait of a truly remarkable family of compounds.
Collapse
Affiliation(s)
- Padmashree C G Rida
- Novazoi Theranostics, Inc, Plano, Texas, 75025, USA.,Department of Biology, Georgia State University, Atlanta, GA, 30303, USA
| | - Dillon LiVecche
- Department of Biology, Georgia State University, Atlanta, GA, 30303, USA
| | - Angela Ogden
- Department of Biology, Georgia State University, Atlanta, GA, 30303, USA
| | - Jun Zhou
- State Key Laboratory of Medicinal Chemical Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Ritu Aneja
- Department of Biology, Georgia State University, Atlanta, GA, 30303, USA
| |
Collapse
|
43
|
Hamidullah, Saini KS, Ajay A, Devender N, Bhattacharjee A, Das S, Dwivedi S, Gupt MP, Bora HK, Mitra K, Tripathi RP, Konwar R. Triazole analog 1-(1-benzyl-5-(4-chlorophenyl)-1H-1,2,3-triazol-4-yl)-2-(4-bromophenylamino)-1-(4-chlorophenyl)ethanol induces reactive oxygen species and autophagy-dependent apoptosis in both in vitro and in vivo breast cancer models. Int J Biochem Cell Biol 2015; 65:275-87. [PMID: 26115963 DOI: 10.1016/j.biocel.2015.06.016] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2015] [Revised: 06/05/2015] [Accepted: 06/18/2015] [Indexed: 12/14/2022]
Abstract
Autophagy is considered as an important cell death mechanism that closely interacts with other common cell death programs like apoptosis. Critical role of autophagy in cell death makes it a promising, yet challenging therapeutic target for cancer. We identified a series of 1,2,3-triazole analogs having significant breast cancer inhibition property. Therefore, we attempted to study whether autophagy and apoptosis were involved in the process of cancer cell inhibition. The lead molecule, 1-(1-benzyl-5-(4-chlorophenyl)-1H-1,2,3-triazol-4-yl)-2-(4-bromophenylamino)-1-(4-chlorophenyl)ethanol (T-12) induced significant cell cycle arrest, mitochondrial membrane depolarization, apoptosis and autophagy in MCF-7 and MDA-MB-231 cells. T-12 increased reactive oxygen species and its inhibition by N-acetyl-L-cysteine protected breast cancer cells from autophagy and apoptosis. Autophagy inhibitor, 3-methyladenine abolished T-12 induced apoptosis, mitochondrial membrane depolarization and reactive oxygen species generation. This suggested that T-12 induced autophagy facilitated cell death rather than cell survival. Pan-caspase inhibition did not abrogate T-12 induced autophagy, suggesting that autophagy precedes apoptosis. In addition, T-12 inhibited cell survival pathway signaling proteins, Akt, mTOR and Erk1/2. T-12 also induced significant regression of tumor with oral dose of as low as 10mg/kg bodyweight in rat mammary tumor model without any apparent toxicity. In presence of reactive oxygen species inhibitor (N-acetyl-L-cysteine) and autophagy inhibitor (chloroquine), T-12 induced tumor regression was significantly decreased. In conclusion, T-12 is a potent inducer of autophagy-dependent apoptosis in breast cancer cells both in vitro and in vivo and can serve as an important lead in development of new anti-tumor therapy.
Collapse
Affiliation(s)
- Hamidullah
- Division of Endocrinology, CSIR-Central Drug Research Institute, 10/1, Jankipuram Extension, Lucknow, UP 226031, India
| | - Karan Singh Saini
- Division of Endocrinology, CSIR-Central Drug Research Institute, 10/1, Jankipuram Extension, Lucknow, UP 226031, India
| | - Arya Ajay
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, 10/1, Jankipuram Extension, Lucknow, UP 226031, India
| | - N Devender
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, 10/1, Jankipuram Extension, Lucknow, UP 226031, India
| | - Arindam Bhattacharjee
- Electron Microscopy Unit, CSIR-Central Drug Research Institute, 10/1, Jankipuram Extension, Lucknow, UP 226031, India
| | - Sharmistha Das
- Division of Endocrinology, CSIR-Central Drug Research Institute, 10/1, Jankipuram Extension, Lucknow, UP 226031, India
| | - Sonam Dwivedi
- Division of Endocrinology, CSIR-Central Drug Research Institute, 10/1, Jankipuram Extension, Lucknow, UP 226031, India
| | - Munna Prasad Gupt
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, 10/1, Jankipuram Extension, Lucknow, UP 226031, India
| | - Himangsu Kousik Bora
- Laboratory Animal Division, CSIR-Central Drug Research Institute, 10/1, Jankipuram Extension, Lucknow, UP 226031, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi 110001, India
| | - Kalyan Mitra
- Electron Microscopy Unit, CSIR-Central Drug Research Institute, 10/1, Jankipuram Extension, Lucknow, UP 226031, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi 110001, India
| | - Rama Pati Tripathi
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, 10/1, Jankipuram Extension, Lucknow, UP 226031, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi 110001, India.
| | - Rituraj Konwar
- Division of Endocrinology, CSIR-Central Drug Research Institute, 10/1, Jankipuram Extension, Lucknow, UP 226031, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi 110001, India.
| |
Collapse
|
44
|
Haslip M, Dostanic I, Huang Y, Zhang Y, Russell KS, Jurczak MJ, Mannam P, Giordano F, Erzurum SC, Lee PJ. Endothelial uncoupling protein 2 regulates mitophagy and pulmonary hypertension during intermittent hypoxia. Arterioscler Thromb Vasc Biol 2015; 35:1166-78. [PMID: 25814675 DOI: 10.1161/atvbaha.114.304865] [Citation(s) in RCA: 95] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2014] [Accepted: 03/10/2015] [Indexed: 01/06/2023]
Abstract
OBJECTIVES Pulmonary hypertension (PH) is a process of lung vascular remodeling, which can lead to right heart dysfunction and significant morbidity. The underlying mechanisms leading to PH are not well understood, and therapies are limited. Using intermittent hypoxia (IH) as a model of oxidant-induced PH, we identified an important role for endothelial cell mitophagy via mitochondrial uncoupling protein 2 (Ucp2) in the development of IH-induced PH. APPROACH AND RESULTS Ucp2 endothelial knockout (VE-KO) and Ucp2 Flox (Flox) mice were subjected to 5 weeks of IH. Ucp2 VE-KO mice exhibited higher right ventricular systolic pressure and worse right heart hypertrophy, as measured by increased right ventricle weight/left ventricle plus septal weight (RV/LV+S) ratio, at baseline and after IH. These changes were accompanied by increased mitophagy. Primary mouse lung endothelial cells transfected with Ucp2 siRNA and subjected to cyclic exposures to CoCl2 (chemical hypoxia) showed increased mitophagy, as measured by PTEN-induced putative kinase 1 and LC3BII/I ratios, decreased mitochondrial biogenesis, and increased apoptosis. Similar results were obtained in primary lung endothelial cells isolated from VE-KO mice. Moreover, silencing PTEN-induced putative kinase 1 in the endothelium of Ucp2 knockout mice, using endothelial-targeted lentiviral silencing RNA in vivo, prevented IH-induced PH. Human pulmonary artery endothelial cells from people with PH demonstrated changes similar to Ucp2-silenced mouse lung endothelial cells. CONCLUSIONS The loss of endothelial Ucp2 leads to excessive PTEN-induced putative kinase 1-induced mitophagy, inadequate mitochondrial biosynthesis, and increased apoptosis in endothelium. An endothelial Ucp2-PTEN-induced putative kinase 1 axis may be effective therapeutic targets in PH.
Collapse
Affiliation(s)
- Maria Haslip
- From the Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine (M.H., I.D., Y.Z., P.M., P.J.L.), Section of Cardiovascular Disease (Y.H., K.S.R, F.G.), and Section of Endocrinology and Metabolism (M.J.J.), Yale University School of Medicine, New Haven, CT; and Department of Pathobiology, Lerner Research Institute and Respiratory Institute, Cleveland Clinic, OH (S.C.E.)
| | - Iva Dostanic
- From the Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine (M.H., I.D., Y.Z., P.M., P.J.L.), Section of Cardiovascular Disease (Y.H., K.S.R, F.G.), and Section of Endocrinology and Metabolism (M.J.J.), Yale University School of Medicine, New Haven, CT; and Department of Pathobiology, Lerner Research Institute and Respiratory Institute, Cleveland Clinic, OH (S.C.E.)
| | - Yan Huang
- From the Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine (M.H., I.D., Y.Z., P.M., P.J.L.), Section of Cardiovascular Disease (Y.H., K.S.R, F.G.), and Section of Endocrinology and Metabolism (M.J.J.), Yale University School of Medicine, New Haven, CT; and Department of Pathobiology, Lerner Research Institute and Respiratory Institute, Cleveland Clinic, OH (S.C.E.)
| | - Yi Zhang
- From the Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine (M.H., I.D., Y.Z., P.M., P.J.L.), Section of Cardiovascular Disease (Y.H., K.S.R, F.G.), and Section of Endocrinology and Metabolism (M.J.J.), Yale University School of Medicine, New Haven, CT; and Department of Pathobiology, Lerner Research Institute and Respiratory Institute, Cleveland Clinic, OH (S.C.E.)
| | - Kerry S Russell
- From the Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine (M.H., I.D., Y.Z., P.M., P.J.L.), Section of Cardiovascular Disease (Y.H., K.S.R, F.G.), and Section of Endocrinology and Metabolism (M.J.J.), Yale University School of Medicine, New Haven, CT; and Department of Pathobiology, Lerner Research Institute and Respiratory Institute, Cleveland Clinic, OH (S.C.E.)
| | - Michael J Jurczak
- From the Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine (M.H., I.D., Y.Z., P.M., P.J.L.), Section of Cardiovascular Disease (Y.H., K.S.R, F.G.), and Section of Endocrinology and Metabolism (M.J.J.), Yale University School of Medicine, New Haven, CT; and Department of Pathobiology, Lerner Research Institute and Respiratory Institute, Cleveland Clinic, OH (S.C.E.)
| | - Praveen Mannam
- From the Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine (M.H., I.D., Y.Z., P.M., P.J.L.), Section of Cardiovascular Disease (Y.H., K.S.R, F.G.), and Section of Endocrinology and Metabolism (M.J.J.), Yale University School of Medicine, New Haven, CT; and Department of Pathobiology, Lerner Research Institute and Respiratory Institute, Cleveland Clinic, OH (S.C.E.)
| | - Frank Giordano
- From the Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine (M.H., I.D., Y.Z., P.M., P.J.L.), Section of Cardiovascular Disease (Y.H., K.S.R, F.G.), and Section of Endocrinology and Metabolism (M.J.J.), Yale University School of Medicine, New Haven, CT; and Department of Pathobiology, Lerner Research Institute and Respiratory Institute, Cleveland Clinic, OH (S.C.E.)
| | - Serpil C Erzurum
- From the Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine (M.H., I.D., Y.Z., P.M., P.J.L.), Section of Cardiovascular Disease (Y.H., K.S.R, F.G.), and Section of Endocrinology and Metabolism (M.J.J.), Yale University School of Medicine, New Haven, CT; and Department of Pathobiology, Lerner Research Institute and Respiratory Institute, Cleveland Clinic, OH (S.C.E.)
| | - Patty J Lee
- From the Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine (M.H., I.D., Y.Z., P.M., P.J.L.), Section of Cardiovascular Disease (Y.H., K.S.R, F.G.), and Section of Endocrinology and Metabolism (M.J.J.), Yale University School of Medicine, New Haven, CT; and Department of Pathobiology, Lerner Research Institute and Respiratory Institute, Cleveland Clinic, OH (S.C.E.).
| |
Collapse
|
45
|
Zhang C, Zhou Z, Zhi X, Ma Y, Wang K, Wang Y, Zhang Y, Fu H, Jin W, Pan F, Cui D. Insights into the distinguishing stress-induced cytotoxicity of chiral gold nanoclusters and the relationship with GSTP1. Theranostics 2015; 5:134-49. [PMID: 25553104 PMCID: PMC4279000 DOI: 10.7150/thno.10363] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Accepted: 09/15/2014] [Indexed: 12/16/2022] Open
Abstract
Chiral gold nanoclusters (Au NCs) exhibit attracting properties owing to their unique physical and chemical properties. Herein we report for the first time chiral gold nanoclusters' cytotoxicity and potential molecular mechanism. The L-glutathione (i.e. L-GSH) and D-glutathione (i.e. D-GSH)-capped Au NCs were prepared and characterized by HRTEM, UV-vis, photoluminescence and circular dichroism (CD) spectroscopy. Results showed that the CD spectra of L-glutathione (i.e. L-GSH) and D-glutathione (i.e. D-GSH)-capped Au NCs exhibited multiple bands which were identically mirror-imaged, demonstrating that the chirality of GSH-capped NCs had contributions from both the metal core and the ligand. The effects of AuNCs@L-GSH and AuNCs@D-GSH on cells were similar based on the cell physiology related cytotoxicity, although the effects became more prominent in AuNCs@D-GSH treated cells, including ROS generation, mitochondrial membrane depolarization, cell cycle arrest and apoptosis. Global gene expression and pathway analysis displayed that both AuNCs@L-GSH and AuNCs@D-GSH caused the up-regulation of genes involved in cellular rescue and stress response, while AuNCs@D-GSH individually induced up-regulation of transcripts involved in some metabolic- and biosynthetic-related response. MGC-803 cells were more sensitive to the oxidative stress damage induced by chiral Au NCs than GES-1 cells, which was associated with GSTP1 hypermethylation. In conclusion, chiral gold nanoclusters exhibit this chirality-associated regulation of cytotoxicity, different gene expression profiling and epigenetic changes should be responsible for observed phenomena. Our study highlights the importance of the interplays between chiral materials and biological system at sub-nano level.
Collapse
Affiliation(s)
- Chunlei Zhang
- 1. Institute of Nano Biomedicine and Engineering, Key Laboratory for Thin Film and Microfabrication Technology of the Ministry of Education, Department of Instrument Science & Engineering, School of Electronic, Information and Electrical Engineering, Bio-X Center, Institute of Translation Medicine, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Zhijun Zhou
- 1. Institute of Nano Biomedicine and Engineering, Key Laboratory for Thin Film and Microfabrication Technology of the Ministry of Education, Department of Instrument Science & Engineering, School of Electronic, Information and Electrical Engineering, Bio-X Center, Institute of Translation Medicine, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Xiao Zhi
- 1. Institute of Nano Biomedicine and Engineering, Key Laboratory for Thin Film and Microfabrication Technology of the Ministry of Education, Department of Instrument Science & Engineering, School of Electronic, Information and Electrical Engineering, Bio-X Center, Institute of Translation Medicine, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Yue Ma
- 1. Institute of Nano Biomedicine and Engineering, Key Laboratory for Thin Film and Microfabrication Technology of the Ministry of Education, Department of Instrument Science & Engineering, School of Electronic, Information and Electrical Engineering, Bio-X Center, Institute of Translation Medicine, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Kan Wang
- 1. Institute of Nano Biomedicine and Engineering, Key Laboratory for Thin Film and Microfabrication Technology of the Ministry of Education, Department of Instrument Science & Engineering, School of Electronic, Information and Electrical Engineering, Bio-X Center, Institute of Translation Medicine, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Yuxia Wang
- 2. Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, 47 Taping Road, Peking 100850, PR China
| | - Yingge Zhang
- 2. Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, 47 Taping Road, Peking 100850, PR China
| | - Hualin Fu
- 1. Institute of Nano Biomedicine and Engineering, Key Laboratory for Thin Film and Microfabrication Technology of the Ministry of Education, Department of Instrument Science & Engineering, School of Electronic, Information and Electrical Engineering, Bio-X Center, Institute of Translation Medicine, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Weilin Jin
- 1. Institute of Nano Biomedicine and Engineering, Key Laboratory for Thin Film and Microfabrication Technology of the Ministry of Education, Department of Instrument Science & Engineering, School of Electronic, Information and Electrical Engineering, Bio-X Center, Institute of Translation Medicine, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Fei Pan
- 1. Institute of Nano Biomedicine and Engineering, Key Laboratory for Thin Film and Microfabrication Technology of the Ministry of Education, Department of Instrument Science & Engineering, School of Electronic, Information and Electrical Engineering, Bio-X Center, Institute of Translation Medicine, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Daxiang Cui
- 1. Institute of Nano Biomedicine and Engineering, Key Laboratory for Thin Film and Microfabrication Technology of the Ministry of Education, Department of Instrument Science & Engineering, School of Electronic, Information and Electrical Engineering, Bio-X Center, Institute of Translation Medicine, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| |
Collapse
|
46
|
Centrosome-declustering drugs mediate a two-pronged attack on interphase and mitosis in supercentrosomal cancer cells. Cell Death Dis 2014; 5:e1538. [PMID: 25412316 PMCID: PMC4260758 DOI: 10.1038/cddis.2014.505] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2014] [Revised: 10/01/2014] [Accepted: 10/02/2014] [Indexed: 11/22/2022]
Abstract
Classical anti-mitotic drugs have failed to translate their preclinical efficacy into clinical response in human trials. Their clinical failure has challenged the notion that tumor cells divide frequently at rates comparable to those of cancer cells in vitro and in xenograft models. Given the preponderance of interphase cells in clinical tumors, we asked whether targeting amplified centrosomes, which cancer cells carefully preserve in a tightly clustered conformation throughout interphase, presents a superior chemotherapeutic strategy that sabotages interphase-specific cellular activities, such as migration. Herein we have utilized supercentrosomal N1E-115 murine neuroblastoma cells as a test-bed to study interphase centrosome declustering induced by putative declustering agents, such as Reduced-9-bromonoscapine (RedBr-Nos), Griseofulvin and PJ-34. We found tight ‘supercentrosomal' clusters in the interphase and mitosis of ~80% of patients' tumor cells with excess centrosomes. RedBr-Nos was the strongest declustering agent with a declustering index of 0.36 and completely dispersed interphase centrosome clusters in N1E-115 cells. Interphase centrosome declustering caused inhibition of neurite formation, impairment of cell polarization and Golgi organization, disrupted cellular protrusions and focal adhesion contacts—factors that are crucial prerequisites for directional migration. Thus our data illustrate an interphase-specific potential anti-migratory role of centrosome-declustering agents in addition to their previously acknowledged ability to induce spindle multipolarity and mitotic catastrophe. Centrosome-declustering agents counter centrosome clustering to inhibit directional cell migration in interphase cells and set up multipolar mitotic catastrophe, suggesting that disbanding the nuclear–centrosome–Golgi axis is a potential anti-metastasis strategy.
Collapse
|
47
|
Al Dhaheri Y, Attoub S, Ramadan G, Arafat K, Bajbouj K, Karuvantevida N, AbuQamar S, Eid A, Iratni R. Carnosol induces ROS-mediated beclin1-independent autophagy and apoptosis in triple negative breast cancer. PLoS One 2014; 9:e109630. [PMID: 25299698 PMCID: PMC4192122 DOI: 10.1371/journal.pone.0109630] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Accepted: 09/06/2014] [Indexed: 01/11/2023] Open
Abstract
Background In this study we investigated the in vitro and in vivo anticancer effect of carnosol, a naturally occurring polyphenol, in triple negative breast cancer. Results We found that carnosol significantly inhibited the viability and colony growth induced G2 arrest in the triple negative MDA-MB-231. Blockade of the cell cycle was associated with increased p21/WAF1 expression and downregulation of p27. Interestingly, carnosol was found to induce beclin1-independent autophagy and apoptosis in MDA-MB-231 cells. The coexistence of both events, autophagy and apoptosis, was confirmed by electron micrography. Induction of autophagy was found to be an early event, detected within 3 h post-treatment, which subsequently led to apoptosis. Carnosol treatment also caused a dose-dependent increase in the levels of phosphorylated extracellular signal-regulated kinase 1 and 2 (pERK1/2). Moreover, we show that carnosol induced DNA damage, reduced the mitochondrial potential and triggered the activation of the intrinsic and extrinsic apoptotic pathway. Furthermore, we found that carnosol induced a dose-dependent generation of reactive oxygen species (ROS) and inhibition of ROS by tiron, a ROS scavenger, blocked the induction of autophagy and apoptosis and attenuated DNA damage. To our knowledge, this is the first report to identify the induction of autophagy by carnosol. Conclusion In conclusion our findings provide strong evidence that carnosol may be an alternative therapeutic candidate against the aggressive form of breast cancer and hence deserves more exploration.
Collapse
Affiliation(s)
- Yusra Al Dhaheri
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Samir Attoub
- Department of Pharmacology & Therapeutics, Faculty of Medicine & Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Gaber Ramadan
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Kholoud Arafat
- Department of Pharmacology & Therapeutics, Faculty of Medicine & Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Khuloud Bajbouj
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Noushad Karuvantevida
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Synan AbuQamar
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Ali Eid
- Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha, Qatar
| | - Rabah Iratni
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
- * E-mail:
| |
Collapse
|
48
|
Mishra A, Vinayagam J, Saha S, Chowdhury S, Chowdhury SR, Jaisankar P, Majumder HK. Isobenzofuranone derivatives exhibit antileishmanial effect by inhibiting type II DNA topoisomerase and inducing host response. Pharmacol Res Perspect 2014; 2:e00070. [PMID: 25505614 PMCID: PMC4186449 DOI: 10.1002/prp2.70] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2014] [Revised: 06/11/2014] [Accepted: 07/15/2014] [Indexed: 12/12/2022] Open
Abstract
Leishmania, a protozoan parasite, causes a wide range of human diseases ranging from the localized self-healing cutaneous lesions to fatal visceral leishmaniasis. Toxicity of traditional first line drugs and emergence of drug-resistant strains have worsened the situation. DNA topoisomerase II in kinetoplastid protozoan parasites are of immense interest as drug target because they take part in replication of unusual kinetoplast DNA network. In this study, we have taken target-based therapeutic approaches to combat leishmaniasis. Two isobenzofuranone compounds, viz., (1) 3,5-bis(4-chlorophenyl)-7-hydroxyisobenzofuran-1(3H)-one (JVPH3) and (2) (4-bromo)-3'-hydroxy-5'-(4-bromophenyl)-benzophenone(JVPH4) were synthesized chemically and characterized by NMR and mass spectrometry analysis. Activity of type II DNA topoisomerase of leishmania (LdTOPII) was monitored by decatenation assay and plasmid cleavage assay. The antiparasitic activity of these compounds was checked in experimental BALB/c mice model of visceral leishmaniasis. Isobenzofuranone derivatives exhibited potent antileishmanial effect on both antimony (Sb) sensitive and resistant parasites. Treatment with isobenzofuranone derivatives on promastigotes caused induction of reactive oxygen species (ROS)-mediated apoptosis like cell death in leishmania. Both the compounds inhibited the decatenation activity of LdTOPII but have no effect on bi-subunit topoisomerase IB. Treatment of LdTOPII with isobenzofuranone derivatives did not stabilize cleavage complex formation both in vitro and in vivo. Moreover, treatment with isobenzofuranone derivatives on Leishmania donovani-infected mice resulted in clearance of parasites in liver and spleen by induction of Th1 cytokines. Taken together, our data suggest that these compounds can be exploited as potential antileishmanial agents targeted to DNA topoisomerase II of the parasite.
Collapse
Affiliation(s)
- Amartya Mishra
- Molecular Parasitology Laboratory, Indian Institute of Chemical Biology Jadavpur, Kolkata, 700032, India
| | - Jayaraman Vinayagam
- Department of Chemistry, Indian Institute of Chemical Biology Jadavpur, Kolkata, 700032, India
| | - Sourav Saha
- Molecular Parasitology Laboratory, Indian Institute of Chemical Biology Jadavpur, Kolkata, 700032, India
| | - Sayan Chowdhury
- Molecular Parasitology Laboratory, Indian Institute of Chemical Biology Jadavpur, Kolkata, 700032, India
| | - Somenath Roy Chowdhury
- Molecular Parasitology Laboratory, Indian Institute of Chemical Biology Jadavpur, Kolkata, 700032, India
| | - Parasuraman Jaisankar
- Department of Chemistry, Indian Institute of Chemical Biology Jadavpur, Kolkata, 700032, India
| | - Hemanta K Majumder
- Molecular Parasitology Laboratory, Indian Institute of Chemical Biology Jadavpur, Kolkata, 700032, India
| |
Collapse
|
49
|
Gundala SR, Yang C, Mukkavilli R, Paranjpe R, Brahmbhatt M, Pannu V, Cheng A, Reid MD, Aneja R. Hydroxychavicol, a betel leaf component, inhibits prostate cancer through ROS-driven DNA damage and apoptosis. Toxicol Appl Pharmacol 2014; 280:86-96. [PMID: 25064160 DOI: 10.1016/j.taap.2014.07.012] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2014] [Revised: 07/12/2014] [Accepted: 07/15/2014] [Indexed: 02/08/2023]
Abstract
Dietary phytochemicals are excellent ROS-modulating agents and have been shown to effectively enhance ROS levels beyond toxic threshold in cancer cells to ensure their selective killing while leaving normal cells unscathed. Here we demonstrate that hydroxychavicol (HC), extracted and purified from Piper betel leaves, significantly inhibits growth and proliferation via ROS generation in human prostate cancer, PC-3 cells. HC perturbed cell-cycle kinetics and progression, reduced clonogenicity and mediated cytotoxicity by ROS-induced DNA damage leading to activation of several pro-apoptotic molecules. In addition, HC treatment elicited a novel autophagic response as evidenced by the appearance of acidic vesicular organelles and increased expression of autophagic markers, LC3-IIb and beclin-1. Interestingly, quenching of ROS with tiron, an antioxidant, offered significant protection against HC-induced inhibition of cell growth and down regulation of caspase-3, suggesting the crucial role of ROS in mediating cell death. The collapse of mitochondrial transmembrane potential by HC further revealed the link between ROS generation and induction of caspase-mediated apoptosis in PC-3 cells. Our data showed remarkable inhibition of prostate tumor xenografts by ~72% upon daily oral administration of 150mg/kg bw HC by quantitative tumor volume measurements and non-invasive real-time bioluminescent imaging. HC was well-tolerated at this dosing level without any observable toxicity. This is the first report to demonstrate the anti-prostate cancer efficacy of HC in vitro and in vivo, which is perhaps attributable to its selective prooxidant activity to eliminate cancer cells thus providing compelling grounds for future preclinical studies to validate its potential usefulness for prostate cancer management.
Collapse
Affiliation(s)
| | - Chunhua Yang
- Department of Biology, Georgia State University, Atlanta, GA 30303, USA
| | | | | | - Meera Brahmbhatt
- Department of Biology, Georgia State University, Atlanta, GA 30303, USA
| | - Vaishali Pannu
- Department of Biology, Georgia State University, Atlanta, GA 30303, USA
| | - Alice Cheng
- Department of Biology, Georgia State University, Atlanta, GA 30303, USA
| | - Michelle D Reid
- Department of Pathology, Emory University School of Medicine, Atlanta, GA, USA
| | - Ritu Aneja
- Department of Biology, Georgia State University, Atlanta, GA 30303, USA.
| |
Collapse
|
50
|
Donthamsetty S, Brahmbhatt M, Pannu V, Rida PCG, Ramarathinam S, Ogden A, Cheng A, Singh KK, Aneja R. Mitochondrial genome regulates mitotic fidelity by maintaining centrosomal homeostasis. Cell Cycle 2014; 13:2056-63. [PMID: 24799670 DOI: 10.4161/cc.29061] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Centrosomes direct spindle morphogenesis to assemble a bipolar mitotic apparatus to enable error-free chromosome segregation and preclude chromosomal instability (CIN). Amplified centrosomes, a hallmark of cancer cells, set the stage for CIN, which underlies malignant transformation and evolution of aggressive phenotypes. Several studies report CIN and a tumorigenic and/or aggressive transformation in mitochondrial DNA (mtDNA)-depleted cells. Although several nuclear-encoded proteins are implicated in centrosome duplication and spindle organization, the involvement of mtDNA encoded proteins in centrosome amplification (CA) remains elusive. Here we show that disruption of mitochondrial function by depletion of mtDNA induces robust CA and mitotic aberrations in osteosarcoma cells. We found that overexpression of Aurora A, Polo-like kinase 4 (PLK4), and Cyclin E was associated with emergence of amplified centrosomes. Supernumerary centrosomes in rho0 (mtDNA-depleted) cells resulted in multipolar mitoses bearing "real" centrosomes with paired centrioles at the multiple poles. This abnormal phenotype was recapitulated by inhibition of respiratory complex I in parental cells, suggesting a role for electron transport chain (ETC) in maintaining numeral centrosomal homeostasis. Furthermore, rho0 cells displayed a decreased proliferative capacity owing to a G 2/M arrest. Downregulation of nuclear-encoded p53 in rho0 cells underscores the importance of mitochondrial and nuclear genome crosstalk and may perhaps underlie the observed mitotic aberrations. By contrast, repletion of wild-type mtDNA in rho0 cells (cybrid) demonstrated a much lesser extent of CA and spindle multipolarity, suggesting partial restoration of centrosomal homeostasis. Our study provides compelling evidence to implicate the role of mitochondria in regulation of centrosome duplication, spindle architecture, and spindle pole integrity.
Collapse
Affiliation(s)
| | - Meera Brahmbhatt
- Department of Biology; Georgia State University; Atlanta, GA USA
| | - Vaishali Pannu
- Department of Biology; Georgia State University; Atlanta, GA USA
| | | | | | - Angela Ogden
- Department of Biology; Georgia State University; Atlanta, GA USA
| | - Alice Cheng
- Department of Biology; Georgia State University; Atlanta, GA USA
| | - Keshav K Singh
- Departments of Genetics, Pathology, and Environmental Health and Center for Free Radical Biology, Center for Aging, and UAB Comprehensive Cancer Center; University of Alabama at Birmingham; Birmingham, AL USA and Birmingham Veterans Affairs Medical Center; Birmingham, AL USA
| | - Ritu Aneja
- Department of Biology; Georgia State University; Atlanta, GA USA
| |
Collapse
|