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Reduced replication origin licensing selectively kills KRAS-mutant colorectal cancer cells via mitotic catastrophe. Cell Death Dis 2020; 11:499. [PMID: 32612138 PMCID: PMC7330027 DOI: 10.1038/s41419-020-2704-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 06/01/2020] [Accepted: 06/08/2020] [Indexed: 12/16/2022]
Abstract
To unravel vulnerabilities of KRAS-mutant CRC cells, a shRNA-based screen specifically inhibiting MAPK pathway components and targets was performed in CaCo2 cells harboring conditional oncogenic KRASG12V. The custom-designed shRNA library comprised 121 selected genes, which were previously identified to be strongly regulated in response to MEK inhibition. The screen showed that CaCo2 cells expressing KRASG12V were sensitive to the suppression of the DNA replication licensing factor minichromosome maintenance complex component 7 (MCM7), whereas KRASwt CaCo2 cells were largely resistant to MCM7 suppression. Similar results were obtained in an isogenic DLD-1 cell culture model. Knockdown of MCM7 in a KRAS-mutant background led to replication stress as indicated by increased nuclear RPA focalization. Further investigation showed a significant increase in mitotic cells after simultaneous MCM7 knockdown and KRASG12V expression. The increased percentage of mitotic cells coincided with strongly increased DNA damage in mitosis. Taken together, the accumulation of DNA damage in mitotic cells is due to replication stress that remained unresolved, which results in mitotic catastrophe and cell death. In summary, the data show a vulnerability of KRAS-mutant cells towards suppression of MCM7 and suggest that inhibiting DNA replication licensing might be a viable strategy to target KRAS-mutant cancers.
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152
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Hu L, Li B, Chen G, Song D, Xu Z, Gao L, Xi M, Zhou J, Li L, Zhang H, Feng Q, Wang Y, Lu K, Lu Y, Bu W, Wang H, Wu X, Zhu W, Shi J. A novel M phase blocker, DCZ3301 enhances the sensitivity of bortezomib in resistant multiple myeloma through DNA damage and mitotic catastrophe. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2020; 39:105. [PMID: 32517809 PMCID: PMC7285565 DOI: 10.1186/s13046-020-01597-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 05/18/2020] [Indexed: 02/06/2023]
Abstract
Background DCZ3301, a novel aryl-guanidino compound previously reported by our group, exerts cytotoxic effects against multiple myeloma (MM), diffused large B cell lymphoma (DLBCL), and T-cell leukemia/lymphoma. However, the underlying mechanism of its action remains unknown. Methods We generated bortezomib (BTZ)-resistant cell lines, treated them with various concentrations of DCZ3301 over varying periods, and studied its effect on colony formation, cell proliferation, apoptosis, cell cycle, DNA synthesis, and DNA damage response. We validated our results using in vitro and in vivo experimental models. Results DCZ3301 overcame bortezomib (BTZ) resistance through regulation of the G2/M checkpoint in multiple myeloma (MM) in vitro and in vivo. Furthermore, treatment of BTZ-resistant cells with DCZ3301 restored their drug sensitivity. DCZ3301 induced M phase cell cycle arrest in MM mainly via inhibiting DNA repair and enhancing DNA damage. Moreover, DCZ3301 promoted the phosphorylation of ATM, ATR, and their downstream proteins, and these responses were blocked by the ATM specific inhibitor KU55933. Conclusions Our study provides a proof-of-concept that warrants the clinical evaluation of DCZ3301 as a novel anti-tumor compound against BTZ resistance in MM.
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Affiliation(s)
- Liangning Hu
- Department of Hematology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China
| | - Bo Li
- CAS Key Laboratory of Receptor Research, Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China
| | - Gege Chen
- Department of Hematology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China
| | - Dongliang Song
- Department of Hematology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China
| | - Zhijian Xu
- CAS Key Laboratory of Receptor Research, Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China
| | - Lu Gao
- Department of Hematology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China
| | - Mengyu Xi
- CAS Key Laboratory of Receptor Research, Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China
| | - Jinfeng Zhou
- Department of Hematology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China
| | - Liping Li
- Department of Hematology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China
| | - Hui Zhang
- Department of Hematology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China
| | - Qilin Feng
- Department of Hematology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China
| | - Yingcong Wang
- Department of Hematology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China
| | - Kang Lu
- Department of Hematology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China
| | - Yumeng Lu
- Department of Hematology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China
| | - Wenxuan Bu
- Department of Hematology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China
| | - Houcai Wang
- Department of Hematology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China
| | - Xiaosong Wu
- Department of Hematology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China
| | - Weiliang Zhu
- CAS Key Laboratory of Receptor Research, Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China.
| | - Jumei Shi
- Department of Hematology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China. .,Tongji University Cancer Center, Tongji University, Shanghai, 200092, China.
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153
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Suraweera A, Duff A, Adams MN, Jekimovs C, Duijf PHG, Liu C, McTaggart M, Beard S, O'Byrne KJ, Richard DJ. Defining COMMD4 as an anti-cancer therapeutic target and prognostic factor in non-small cell lung cancer. Br J Cancer 2020; 123:591-603. [PMID: 32439936 PMCID: PMC7434762 DOI: 10.1038/s41416-020-0899-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 04/19/2020] [Accepted: 05/01/2020] [Indexed: 01/04/2023] Open
Abstract
Background Non-small cell lung cancers (NSCLC) account for 85–90% of all lung cancers. As drug resistance critically impairs chemotherapy effectiveness, there is great need to identify new therapeutic targets. The aims of this study were to investigate the prognostic and therapeutic potential of the copper-metabolism-domain-protein, COMMD4, in NSCLC. Methods The expression of COMMD4 in NSCLC was investigated using bioinformatic analysis, immunoblotting of immortalised human bronchial epithelial (HBEC) and NSCLC cell lines, qRT-PCR and immunohistochemistry of tissue microarrays. COMMD4 function was additionally investigated in HBEC and NSCLC cells depleted of COMMD4, using small interfering RNA sequences. Results Bioinformatic analysis and in vitro analysis of COMMD4 transcripts showed that COMMD4 levels were upregulated in NSCLC and elevated COMMD4 was associated with poor prognosis in adenocarcinoma (ADC). Immunoblotting demonstrated that COMMD4 expression was upregulated in NSCLC cells and siRNA-depletion of COMMD4, decreased cell proliferation and reduced cell viability. Cell death was further enhanced after exposure to DNA damaging agents. COMMD4 depletion caused NSCLC cells to undergo mitotic catastrophe and apoptosis. Conclusions Our data indicate that COMMD4 may function as a prognostic factor in ADC NSCLC. Additionally, COMMD4 is a potential therapeutic target for NSCLC, as its depletion induces cancer cell death.
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Affiliation(s)
- Amila Suraweera
- Queensland University of Technology (QUT), School of Biomedical Sciences, Institute of Health and Biomedical Innovation and Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia. .,Princess Alexandra Hospital, 199 Ipswich Road, Woolloongabba, QLD, 4102, Australia.
| | - Alex Duff
- Queensland University of Technology (QUT), School of Biomedical Sciences, Institute of Health and Biomedical Innovation and Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia
| | - Mark N Adams
- Queensland University of Technology (QUT), School of Biomedical Sciences, Institute of Health and Biomedical Innovation and Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia.,Princess Alexandra Hospital, 199 Ipswich Road, Woolloongabba, QLD, 4102, Australia
| | - Christian Jekimovs
- Queensland University of Technology (QUT), School of Biomedical Sciences, Institute of Health and Biomedical Innovation and Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia
| | - Pascal H G Duijf
- Queensland University of Technology (QUT), School of Biomedical Sciences, Institute of Health and Biomedical Innovation and Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia.,University of Queensland Diamantina Insitute, Translational Research Institute, 37 Kent Street, Woolloogabba, QLD, 4102, Australia
| | - Cheng Liu
- Envoi Specialist Pathologists, Brisbane, QLD, Australia.,Faculty of Medicine, University of Queensland, Herston, QLD, 4006, Australia.,The Conjoint Gastroenterology Laboratory, QIMR Berghofer Medical Research Institute, Herston, QLD, 4006, Australia
| | - Matthew McTaggart
- Queensland University of Technology (QUT), School of Biomedical Sciences, Institute of Health and Biomedical Innovation and Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia
| | - Sam Beard
- Queensland University of Technology (QUT), School of Biomedical Sciences, Institute of Health and Biomedical Innovation and Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia
| | - Kenneth J O'Byrne
- Queensland University of Technology (QUT), School of Biomedical Sciences, Institute of Health and Biomedical Innovation and Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia.,Princess Alexandra Hospital, 199 Ipswich Road, Woolloongabba, QLD, 4102, Australia
| | - Derek J Richard
- Queensland University of Technology (QUT), School of Biomedical Sciences, Institute of Health and Biomedical Innovation and Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia. .,Princess Alexandra Hospital, 199 Ipswich Road, Woolloongabba, QLD, 4102, Australia.
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154
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Abstract
Currently the study of Regulated Cell Death (RCD) processes is limited to the use of lysed cell populations for Western blot analysis of each separate RCD process. We have previously shown that intracellular antigen flow cytometric analysis of RIP3, Caspase-3 and cell viability dye allowed the determination of levels of apoptosis (Caspase-3+ ve/RIP3− ve), necroptosis (RIP3Hi + ve/Caspase-3− ve) and RIP1-dependent apoptosis (Caspase-3+ ve/RIP3+ ve) in a single Jurkat cell population. The addition of more intracellular markers allows the determination of the incidence of parthanatos (PARP), DNA Damage Response (DDR, H2AX), H2AX hyper-activation of PARP (H2AX/PARP) autophagy (LC3B) and ER stress (PERK), thus allowing the identification of 124 sub-populations both within live and dead cell populations. Shikonin simultaneously induced Jurkat cell apoptosis and necroptosis the degree of which can be shown flow cytometrically together with the effects of blockade of these forms of cell death by zVAD and necrostatin-1 have on specific RCD populations including necroptosis, early and late apoptosis and RIP1-dependent apoptosis phenotypes in live and dead cells. Necrostatin-1 and zVAD was shown to modulate levels of shikonin induced DDR, hyper-action of PARP and parthanatos in the four forms of RCD processes analysed. LC3B was up-regulated by combined treatment of zVAD with chloroquine which also revealed that DNA damage was reduced in live cells but enhanced in dead cells indicating the role of autophagy in maintaining cell health. This approach to RCD research should be a great advance to understanding the mechanisms of drugs and their effects upon RCD populations.
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155
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Warda K, Klimaszewska-Wiśniewska A, Grzanka A, Grzanka D. Mechanism of mitotic catastrophe and its role in anticancer therapy. POSTEP HIG MED DOSW 2020. [DOI: 10.5604/01.3001.0014.1328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The definition of mitotic catastrophe has been the subject of scientific discussion for over a decade. Initially, it was thought that mitotic catastrophe is one of the types of cell death occurring during aberrant mitosis. A number of studies carried out in recent years allowed for a better understanding of the function of this process. According to the definition proposed by the Nomenclature Committee on Cell Death in 2018, mitotic catastrophe is an oncosuppressive mechanism that inhibits the proliferation and/or survival of cells that are unable to complete mitosis by inducing cell death or initiating cellular senescence. Mitotic catastrophe is recognized based on unique nuclear changes, the presence of abnormal mitotic figures and several molecular alterations. It is believed that avoiding mitotic catastrophe by genetically unstable cells promotes their unlimited growth, which can lead to cancer transformation. Therefore, the induction of mitotic catastrophe seems to be a promising strategy for the prevention and treatment of cancer. However, despite the significant role of this process, the molecular events between aberrant mitosis and cell death are still not well understood. It can be assumed that a thorough understanding of signaling pathways linking mitotic catastrophe with cell death will enable the effective use of known inducers of mitotic catastrophe in the treatment of cancer and provide new therapeutic targets. The aim of this review is to present a morphological and functional definition of mitotic catastrophe and its potential role in anticancer therapy.
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Affiliation(s)
- Karolina Warda
- Katedra Histologii i Embriologii, Collegium Medicum im. Ludwika Rydygiera w Bydgoszczy, Uniwersytet Mikołaja Kopernika w Toruniu
| | - Anna Klimaszewska-Wiśniewska
- Katedra Patomorfologii Klinicznej, Collegium Medicum im. Ludwika Rydygiera w Bydgoszczy, Uniwersytet Mikołaja Kopernika w Toruniu
| | - Alina Grzanka
- Katedra Histologii i Embriologii, Collegium Medicum im. Ludwika Rydygiera w Bydgoszczy, Uniwersytet Mikołaja Kopernika w Toruniu
| | - Dariusz Grzanka
- Katedra Patomorfologii Klinicznej, Collegium Medicum im. Ludwika Rydygiera w Bydgoszczy, Uniwersytet Mikołaja Kopernika w Toruniu
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156
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Kawahara D, Wu L, Watanabe Y. Optimization of irradiation interval for fractionated stereotactic radiosurgery by a cellular automata model with reoxygenation effects. Phys Med Biol 2020; 65:085008. [PMID: 32092715 DOI: 10.1088/1361-6560/ab7974] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The current study aims to determine the optimal irradiation interval of fractionated stereotactic radiosurgery (SRS) by using an improved cellular automata (CA) model. The tumor growth process was simulated by considering the amount of oxygen and the density of blood vessels, which supplied oxygen and nutrient required for cell growth. Cancer cells died by the mitotic death process due to radiation, which was quantified by the LQ-model, or the apoptosis due to the lack of nutrients. The radiation caused increased permeation of plasma protein through the blood vessel or the breakdown of the vasculature. Consequently, these changes lead to a change in radiation sensitivity of cancer cells and tumor growth rate after irradiation. The optimal model parameters were determined with experimental data of the rat tumor volume. The tumor control probability (TCP) was defined as the ratio of the number of histories in which all cancer cells died after the irradiation to the total number of the histories per simulation. The optimal irradiation interval was defined as the irradiation interval that TCP was the maximum. For one fractionation treatment, the ratio of hypoxic cells to the total number of cancer cells kept decreasing until day 16th after irradiation; whereas the number of surviving cancer cells begun increasing immediately after irradiation. This intricate relationship between the hypoxia (or reoxygenation) and the number of cancer cells lead to an optimal irradiation interval for the second irradiation. The optimal irradiation interval for two-fraction SRS was six days. The optimum intervals for the first-second irradiations and the second-third irradiations were five and two days, respectively, for three fraction SRS. For 4 and 5-fraction treatments, the optimum first-interval was five days, which was similar to three fraction treatment. The remaining intervals should be one day. We showed that the improved CA model could be used to optimize the irradiation interval by explicitly including the reoxygenation after irradiation in the model.
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Affiliation(s)
- Daisuke Kawahara
- Department of Radiation Oncology, Institute of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima City, Hiroshima 734-8551, Japan
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157
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Sosunov A, Wu X, McGovern R, Mikell C, McKhann GM, Goldman JE. Abnormal mitosis in reactive astrocytes. Acta Neuropathol Commun 2020; 8:47. [PMID: 32293551 PMCID: PMC7158149 DOI: 10.1186/s40478-020-00919-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 03/17/2020] [Indexed: 12/21/2022] Open
Abstract
Although abnormal mitosis with disarranged metaphase chromosomes or many micronuclei in astrocytes (named "Alzheimer I type astrocytes" and later "Creutzfeldt-Peters cells") have been known for nearly 100 years, the origin and mechanisms of this pathology remain elusive. In experimental brain insults in rats, we show that abnormal mitoses that are not followed by cytokinesis are typical for reactive astrocytes. The pathology originates due to the inability of the cells to form normal mitotic spindles with subsequent metaphase chromosome congression, which, in turn may be due to shape constraints aggravated by cellular enlargement and to the accumulation of large amounts of cytosolic proteins. Many astrocytes escape from arrested mitosis by producing micronuclei. These polyploid astrocytes can survive for long periods of time and enter into new cell cycles.
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Affiliation(s)
- Alexander Sosunov
- Department of Neurosurgery, Columbia University, 630 W. 168th St, P&S 15-405, New York, NY 10032 USA
| | - Xiaoping Wu
- Department of Neurosurgery, Columbia University, 630 W. 168th St, P&S 15-405, New York, NY 10032 USA
| | - Robert McGovern
- Department of Neurosurgery, University of Minnesota, Minneapolis, MN 55455 USA
| | - Charles Mikell
- Department of Neurosurgery, Stony Brook University School of Medicine, Stony Brook, NY USA
| | - Guy M. McKhann
- Department of Neurosurgery, Columbia University, 630 W. 168th St, P&S 15-405, New York, NY 10032 USA
| | - James E. Goldman
- Pathology & Cell Biology, Columbia University, New York, NY 10032 USA
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158
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Dzhemileva LU, D'yakonov VA, Islamov II, Yunusbaeva MM, Dzhemilev UM. New 1Z,5Z-diene macrodiolides: Catalytic synthesis, anticancer activity, induction of mitochondrial apoptosis, and effect on the cell cycle. Bioorg Chem 2020; 99:103832. [PMID: 32315897 DOI: 10.1016/j.bioorg.2020.103832] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 04/05/2020] [Accepted: 04/06/2020] [Indexed: 02/03/2023]
Abstract
An original scheme was developed for the synthesis of previously undescribed unsaturated macrodiolides containing a 1Z,5Z-diene moiety in 44-80% yields and with high stereoselectivity (>95%) based on the intermolecular esterification of α,ω-diols with α,ω-alka-nZ,(n + 4)Z-dienedicarboxylic acids (1,12-dodeca-4Z,8Z-dienedicarboxylic acid, 1,14-tetradeca-5Z,9Z-dienedicarboxylic acid, 1,18-octadeca-7Z,11Z-dienedicarboxylic acid) catalyzed by hafnium triflate [Hf(OTf)4]. The unsaturated dicarboxylic acids were prepared via homo-cyclomagnesiation of tetrahydropyran ethers of O-containing 1,2-dienes with EtMgBr in the presence of Mg metal and the Cp2TiCl2 catalyst (10 mol.%) and the subsequent Jones oxidation of pyran ethers formed after the acid hydrolysis of magnesacyclopentanes. The thus prepared macrodiolides exhibit high cytotoxic activity in vitro against Jurkat, K562, U937, Hek293 and HeLa cancer cell lines. It was found that induction of the programmed cell death in Jurkat cells by macrodiolides corresponds to the mitochondrial apoptosis pathway. Also, it was shown that the prepared macrodiolides efficiently suppress phosphorylation of Akt and p38 kinases and CREB transcription factor in cancer cells.
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Affiliation(s)
- Lilya U Dzhemileva
- Institute of Petrochemistry and Catalysis of RAS (IPC RAS), Prospect Oktyabrya, 141, 450075 Ufa, Russian Federation.
| | - Vladimir A D'yakonov
- Institute of Petrochemistry and Catalysis of RAS (IPC RAS), Prospect Oktyabrya, 141, 450075 Ufa, Russian Federation.
| | - Ilgiz I Islamov
- Institute of Petrochemistry and Catalysis of RAS (IPC RAS), Prospect Oktyabrya, 141, 450075 Ufa, Russian Federation
| | - Milyausha M Yunusbaeva
- Institute of Petrochemistry and Catalysis of RAS (IPC RAS), Prospect Oktyabrya, 141, 450075 Ufa, Russian Federation
| | - Usein M Dzhemilev
- Institute of Petrochemistry and Catalysis of RAS (IPC RAS), Prospect Oktyabrya, 141, 450075 Ufa, Russian Federation
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159
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Sakthivel R, Ramamoorthy A, Jeddy N, Singaram M. Evaluation and Expression of Survivin in Potentially Malignant Lesions and Squamous Cell Carcinoma: A Comparative Study. Cureus 2020; 12:e7551. [PMID: 32382455 PMCID: PMC7202583 DOI: 10.7759/cureus.7551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Introduction Overexpression of survivin, an anti-apoptotic protein, has been associated with the progression of cancer, resistance to drugs, and a poor prognosis. The expression level of survivin indicates the progression of the disease, early recurrence, and a failure to respond to therapy. Our study was a retrospective analysis performed on archival specimens. Materials and methods The study included a total of 50 histopathologically proven cases of potentially malignant lesions and squamous cell carcinoma. Immunohistochemical staining was carried out using primary rabbit monoclonal antibodies to survivin (PathnSitu, Telangana, India) along with a horseradish peroxidase detection kit (Leica Biosystems, Maharashtra, India). The intensity of staining of survivin in the epithelium was determined, and the data obtained from potentially malignant lesions, oral squamous cell carcinoma, fetal tissue, and normal oral mucosa were compared. Results The expression of survivin was positive in 70% of the samples of oral squamous cell carcinoma followed by 50% from cases of leukoplakia, 20% of oral submucous fibrosis samples, and 10% of lichen planus samples (P < 0.05). Conclusion Malignant transformation of these potentially malignant lesions increases with increased expression of survivin. This expression of the anti-apoptotic protein might be an early phenomenon in the initiation and advancement of oral squamous cell carcinoma. The prognosis of oral squamous cell carcinomas becomes poorer with increased expression of survivin. Therefore, survivin might be helpful as an important therapeutic target because it is expressed more in tumor cells and absent in most adult tissues.
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Affiliation(s)
- Rekhaa Sakthivel
- Oral Pathology, Thai Moogambigai Dental College and Hospital, Chennai, IND
| | | | - Nadeem Jeddy
- Oral and Maxillofacial Pathology, Thai Moogambigai Dental College and Hospital, Chennai, IND
| | - Mamta Singaram
- Oral and Maxillofacial Surgery, Thai Moogambigai Dental College and Hospital, Chennai, IND
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160
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Terhune SS, Jung Y, Cataldo KM, Dash RK. Network mechanisms and dysfunction within an integrated computational model of progression through mitosis in the human cell cycle. PLoS Comput Biol 2020; 16:e1007733. [PMID: 32251461 PMCID: PMC7162553 DOI: 10.1371/journal.pcbi.1007733] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 04/16/2020] [Accepted: 02/12/2020] [Indexed: 12/20/2022] Open
Abstract
The cellular protein-protein interaction network that governs cellular proliferation (cell cycle) is highly complex. Here, we have developed a novel computational model of human mitotic cell cycle, integrating diverse cellular mechanisms, for the purpose of generating new hypotheses and predicting new experiments designed to help understand complex diseases. The pathogenic state investigated is infection by a human herpesvirus. The model starts at mitotic entry initiated by the activities of Cyclin-dependent kinase 1 (CDK1) and Polo-like kinase 1 (PLK1), transitions through Anaphase-promoting complex (APC/C) bound to Cell division cycle protein 20 (CDC20), and ends upon mitotic exit mediated by APC/C bound to CDC20 homolog 1 (CDH1). It includes syntheses and multiple mechanisms of degradations of the mitotic proteins. Prior to this work, no such comprehensive model of the human mitotic cell cycle existed. The new model is based on a hybrid framework combining Michaelis-Menten and mass action kinetics for the mitotic interacting reactions. It simulates temporal changes in 12 different mitotic proteins and associated protein complexes in multiple states using 15 interacting reactions and 26 ordinary differential equations. We have defined model parameter values using both quantitative and qualitative data and using parameter values from relevant published models, and we have tested the model to reproduce the cardinal features of human mitosis determined experimentally by numerous laboratories. Like cancer, viruses create dysfunction to support infection. By simulating infection of the human herpesvirus, cytomegalovirus, we hypothesize that virus-mediated disruption of APC/C is necessary to establish a unique mitotic collapse with sustained CDK1 activity, consistent with known mechanisms of virus egress. With the rapid discovery of cellular protein-protein interaction networks and regulatory mechanisms, we anticipate that this model will be highly valuable in helping us to understand the network dynamics and identify potential points of therapeutic interventions.
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Affiliation(s)
- Scott S. Terhune
- Departments of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin, United States of America
- Department of Biomedical Engineering, Medical College of Wisconsin, Milwaukee, Wisconsin, United States of America
| | - Yongwoon Jung
- Department of Biomedical Engineering, Medical College of Wisconsin, Milwaukee, Wisconsin, United States of America
| | - Katie M. Cataldo
- Departments of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin, United States of America
| | - Ranjan K. Dash
- Department of Biomedical Engineering, Medical College of Wisconsin, Milwaukee, Wisconsin, United States of America
- Department of Physiology, Medical College of Wisconsin, Milwaukee, Wisconsin, United States of America
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161
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Senescence in polyploid giant cancer cells: A road that leads to chemoresistance. Cytokine Growth Factor Rev 2020; 52:68-75. [DOI: 10.1016/j.cytogfr.2019.11.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 11/11/2019] [Accepted: 11/14/2019] [Indexed: 01/07/2023]
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162
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Aubets E, Noé V, Ciudad CJ. Targeting replication stress response using polypurine reverse hoogsteen hairpins directed against WEE1 and CHK1 genes in human cancer cells. Biochem Pharmacol 2020; 175:113911. [PMID: 32173365 DOI: 10.1016/j.bcp.2020.113911] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Accepted: 03/10/2020] [Indexed: 12/20/2022]
Abstract
In response to DNA damage, cell cycle checkpoints produce cell cycle arrest to repair and maintain genomic integrity. Due to the high rates of replication and genetic abnormalities, cancer cells are dependent on replication stress response (RSR) and inhibitors of this pathway are being studied as an anticancer approach. In this direction, we investigated the inhibition of CHK1 and WEE1, key components of RSR, using Polypurine Reverse Hoogsteen hairpins (PPRHs) as gene silencing tool. PPRHs designed against WEE1 or CHK1 reduced the viability of different cancer cell lines and showed an increase of apoptosis in HeLa cells. The effect of the PPRHs on cell viability were dose- and time-dependent in HeLa cells. Both the levels of mRNA and protein for each gene were decreased after treatment with the PPRHs. When analyzing the levels of the two CHK1 mRNA splicing variants, CHK1 and CHK1-S, there was a proportional decrease of the two forms, thus maintaining the same expression ratio. PPRHs targeting WEE1 and CHK1 also proved to disrupt cell cycle after 15 h of treatment. Moreover, PPRHs showed a synergy effect when combined with DNA damaging agents, such as methotrexate or 5-Fluorouracil, widely used in clinical practice. This work validates in vitro the usage of PPRHs as a silencing tool against the RSR genes WEE1 and CHK1 and corroborates the potential of inhibiting these targets as a single agent therapy or in combination with other chemotherapy agents in cancer research.
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Affiliation(s)
- Eva Aubets
- Department of Biochemistry and Physiology, School of Pharmacy and Food Sciences and Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona (UB), 08028 Barcelona, Spain
| | - Véronique Noé
- Department of Biochemistry and Physiology, School of Pharmacy and Food Sciences and Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona (UB), 08028 Barcelona, Spain
| | - Carlos J Ciudad
- Department of Biochemistry and Physiology, School of Pharmacy and Food Sciences and Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona (UB), 08028 Barcelona, Spain.
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163
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Kumar Reddy Nagireddy P, Krishna Kommalapati V, Siva Krishna V, Sriram D, Devi Tangutur A, Kantevari S. Anticancer Potential of
N
‐Sulfonyl Noscapinoids: Synthesis and Evaluation. ChemistrySelect 2020. [DOI: 10.1002/slct.202000142] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
| | | | - Vagolu Siva Krishna
- Medicinal Chemistry and Antimycobacterial Research LaboratoryPharmacy GroupBirla Institute of Technology & Science Pilani Hyderabad Campus Hyderabad 500078 India
| | - Dharmarajan Sriram
- Medicinal Chemistry and Antimycobacterial Research LaboratoryPharmacy GroupBirla Institute of Technology & Science Pilani Hyderabad Campus Hyderabad 500078 India
| | - Anjana Devi Tangutur
- Department of Applied BiologyCSIR-Indian Institute of Chemical Technology Hyderabad 500007 India
- Academy of Scientific and Innovative ResearchCSIR-Indian Institute of Chemical Technology Hyderabad 500007 India
| | - Srinivas Kantevari
- Fluoro & Agrochemicals DivisionCSIR-Indian Institute of Chemical Technology Hyderabad 500007 India
- Academy of Scientific and Innovative ResearchCSIR-Indian Institute of Chemical Technology Hyderabad 500007 India
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164
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Zbakh H, Zubía E, De Los Reyes C, Calderón-Montaño JM, Motilva V. Anticancer Activities of Meroterpenoids Isolated from the Brown Alga Cystoseira usneoides against the Human Colon Cancer Cells HT-29. Foods 2020; 9:foods9030300. [PMID: 32155797 PMCID: PMC7143549 DOI: 10.3390/foods9030300] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 02/26/2020] [Accepted: 03/03/2020] [Indexed: 12/03/2022] Open
Abstract
Colorectal cancer (CRC) is one of the most common types of cancers and a leading cause of cancer death worldwide. The current treatment for CRC mainly involves surgery, radiotherapy, and chemotherapy. However, due to the side effects and the emergence of drug resistance, the search for new anticancer agents, pharmacologically safe and effective, is needed. In the present study, we have investigated the anticancer effects of eight algal meroterpenoids (AMTs, 1-8) isolated from the brown seaweed Cystoseira usneoides and their underlying mechanisms of action using HT-29, a highly metastatic human colon cancer cell line. All the tested meroterpenoids inhibited the growth of HT-29 malignant cells and were less toxic towards non-cancer colon cells, with the AMTs 1 and 5 exhibiting selectivity indexes of 5.26 and 5.23, respectively. Treatment of HT-29 cells with the AMTs 1, 2, 3, 4, 5, and 7 induced cell cycle arrest in G2/M phase and, in some instances, apoptosis (compounds 2, 3, and 5). Compounds 1-8 also exhibited significant inhibitory effects on the migration and/or invasion of colon cancer cells. Mechanistic analysis demonstrated that the AMTs 1, 2, 5, 6, 7, and 8 reduced phosphorylation levels of extracellular signal-regulated kinase (ERK) and the AMTs 2, 3, 4, 5, 7, and 8 decreased phosphorylation of c-JUN N-terminal kinase (JNK). Moreover, the AMTs 1, 2, 3, 4, 7, and 8 inhibited phosphorylation levels of protein kinase B (AKT) in colon carcinoma cells. These results provide new insights into the mechanisms and functions of the meroterpenoids of C. usneoides, which exhibit an anticancer effect on HT-29 colon cancer cells by inducing cell cycle arrest and apoptosis via the downregulation of ERK/JNK/AKT signaling pathways.
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Affiliation(s)
- Hanaa Zbakh
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain; (H.Z.); (J.M.C.-M.)
- Department of Biology, Faculty of Sciences, University of Abdelmalek Essaâdi, Tetouan 93000, Morocco
| | - Eva Zubía
- Department of Organic Chemistry, Faculty of Marine and Environmental Sciences, University of Cadiz, 11510 Puerto Real (Cádiz), Spain; (E.Z.); (C.D.L.R.)
| | - Carolina De Los Reyes
- Department of Organic Chemistry, Faculty of Marine and Environmental Sciences, University of Cadiz, 11510 Puerto Real (Cádiz), Spain; (E.Z.); (C.D.L.R.)
| | - José M. Calderón-Montaño
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain; (H.Z.); (J.M.C.-M.)
| | - Virginia Motilva
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain; (H.Z.); (J.M.C.-M.)
- Correspondence:
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165
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Mirzaei S, Eisvand F, Hadizadeh F, Mosaffa F, Ghasemi A, Ghodsi R. Design, synthesis and biological evaluation of novel 5,6,7-trimethoxy-N-aryl-2-styrylquinolin-4-amines as potential anticancer agents and tubulin polymerization inhibitors. Bioorg Chem 2020; 98:103711. [PMID: 32179282 DOI: 10.1016/j.bioorg.2020.103711] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 02/25/2020] [Accepted: 02/27/2020] [Indexed: 01/17/2023]
Abstract
A new series of styrylquinolines was designed and synthesized as anticancer agents and tubulin polymerization inhibitors. The in vitro anticancer activity of the synthesized quinolines was evaluated against four human cancer cell lines including A-2780 (human ovarian carcinoma), A-2780/RCIS (cisplatin resistant human ovarian carcinoma), MCF-7 (human breast cancer cells), MCF-7/MX (mitoxantrone resistant human breast cancer cells) and normal Huvec cells. Generally, among the forty-eight newly synthesized quinolines, compounds possessing N-trimethoxy phenyl showed stronger cytotoxic activity with IC50 values ranging from 0.38 to 5.01 μM against all four cancer cell lines. Compounds 9VII-c and 9IV-c showed significant cytotoxic activity on A-2780 cancer cells, stronger than the other compounds and comparable to reference drug CA-4. Compound 9IV-c possessing 3,4-dimethoxystyryl and N-trimethoxy phenyl groups demonstrated potent cytotoxic effects with IC50 values ranging from 0.5 to 1.66 µM on resistant cancer cells as well as their parental cells. Annexin V binding staining assay in A-2780 and MCF-7/MX cancer cells, revealed that compound 9IV-c induced early and late apoptosis. Compounds 9IV-c and 9VII-b, inhibited tubulin polymerization similar to CA4. Finally, molecular docking studies of 9IV-c and 9VII-b into the colchicine-binding site of tubulin displayed the possible interactions of these compounds with tubulin.
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Affiliation(s)
- Salimeh Mirzaei
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farhad Eisvand
- Department of Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farzin Hadizadeh
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Fatemeh Mosaffa
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ali Ghasemi
- Department of Pediatric Oncology-Hematology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Razieh Ghodsi
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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166
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Carr MI, Zimmermann A, Chiu LY, Zenke FT, Blaukat A, Vassilev LT. DNA-PK Inhibitor, M3814, as a New Combination Partner of Mylotarg in the Treatment of Acute Myeloid Leukemia. Front Oncol 2020; 10:127. [PMID: 32117773 PMCID: PMC7031257 DOI: 10.3389/fonc.2020.00127] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 01/24/2020] [Indexed: 02/03/2023] Open
Abstract
Despite significant advances in the treatment of acute myeloid leukemia (AML) the long-term prognosis remains relatively poor and there is an urgent need for improved therapies with increased potency and tumor selectivity. Mylotarg is the first AML-targeting drug from a new generation of antibody drug conjugate (ADC) therapies aiming at the acute leukemia cell compartment with increased specificity. This agent targets leukemia cells for apoptosis with a cytotoxic payload, calicheamicin, carried by a CD33-specific antibody. Calicheamicin induces DNA double strand breaks (DSB) which, if left unrepaired, lead to cell cycle arrest and apoptosis in cancer cells. However, repair of DSB by the non-homologous end joining pathway driven by DNA-dependent protein kinase (DNA-PK) can reduce the efficacy of calicheamicin. M3814 is a novel, potent and selective inhibitor of DNA-PK. This compound effectively blocks DSB repair, strongly potentiates the antitumor activity of ionizing radiation and DSB-inducing chemotherapeutics and is currently under clinical investigation. Suppressing DSB repair with M3814 synergistically enhanced the apoptotic activity of calicheamicin in cultured AML cells. Combination of M3814 with Mylotarg in two AML xenograft models, MV4-11 and HL-60, demonstrated increased efficacy and significantly improved survival benefit without elevated body weight loss. Our results support a new application for pharmacological DNA-PK inhibitors as enhancers of Mylotarg and a potential new combination treatment option for AML patients.
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Affiliation(s)
- Michael I. Carr
- Translational Innovation Platform Oncology, EMD Serono Research and Development Institute, Inc., Billerica, MA, United States
| | - Astrid Zimmermann
- Translational Innovation Platform Oncology, Merck KGaA, Darmstadt, Germany
| | - Li-Ya Chiu
- Translational Innovation Platform Oncology, EMD Serono Research and Development Institute, Inc., Billerica, MA, United States
| | - Frank T. Zenke
- Translational Innovation Platform Oncology, Merck KGaA, Darmstadt, Germany
| | - Andree Blaukat
- Translational Innovation Platform Oncology, Merck KGaA, Darmstadt, Germany
| | - Lyubomir T. Vassilev
- Translational Innovation Platform Oncology, EMD Serono Research and Development Institute, Inc., Billerica, MA, United States
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167
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Moodley T, Singh M. Sterically Stabilised Polymeric Mesoporous Silica Nanoparticles Improve Doxorubicin Efficiency: Tailored Cancer Therapy. Molecules 2020; 25:E742. [PMID: 32046364 PMCID: PMC7037074 DOI: 10.3390/molecules25030742] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/01/2020] [Accepted: 02/05/2020] [Indexed: 01/05/2023] Open
Abstract
The fruition, commercialisation and clinical application combining nano-engineering, nanomedicine and material science for utilisation in drug delivery is becoming a reality. The successful integration of nanomaterial in nanotherapeutics requires their critical development to ensure physiological and biological compatibility. Mesoporous silica nanoparticles (MSNs) are attractive nanocarriers due to their biodegradable, biocompatible, and relative malleable porous frameworks that can be functionalized for enhanced targeting and delivery in a variety of disease models. The optimal formulation of an MSN with polyethylene glycol (2% and 5%) and chitosan was undertaken, to produce sterically stabilized, hydrophilic MSNs, capable of efficient loading and delivery of the hydrophobic anti-neoplastic drug, doxorubicin (DOX). The pH-sensitive release kinetics of DOX, together with the anticancer, apoptosis and cell-cycle activities of DOX-loaded MSNs in selected cancer cell lines were evaluated. MSNs of 36-60 nm in size, with a pore diameter of 9.8 nm, and a cumulative surface area of 710.36 m²/g were produced. The 2% pegylated MSN formulation (PCMSN) had the highest DOX loading capacity (0.98 mgdox/mgmsn), and a sustained release profile over 72 h. Pegylated-drug nanoconjugates were effective at a concentration range between 20-50 μg/mL, inducing apoptosis in cancer cells, and affirming their potential as effective drug delivery vehicles.
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Affiliation(s)
| | - Moganavelli Singh
- Nano-Gene and Drug Delivery Group, Discipline of Biochemistry, School of Life Sciences, University of Kwa-Zulu Natal, Private Bag X54001, Durban 4000, Kwa-Zulu Natal, South Africa;
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168
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Lam CW, Fong NC, Chan TYC, Lau KC, Ling TK, Mak DWY, Cheng X, Law CY. Centrosome-associated CDC25B is a novel disease-causing gene for a syndrome with cataracts, dilated cardiomyopathy, and multiple endocrinopathies. Clin Chim Acta 2020; 504:81-87. [PMID: 32027886 DOI: 10.1016/j.cca.2020.01.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 01/07/2020] [Accepted: 01/17/2020] [Indexed: 11/16/2022]
Abstract
We describe a unique Chinese girl who presented with intrauterine growth retardation, delayed development, bilateral cataracts, hypothyroidism, growth hormone deficiency, and juvenile dilated cardiomyopathy. She was born to consanguineous parents with a history of one fetal and one infantile death in the family. She died from cardiac failure at the age of 12. In the pursuit of a diagnosis, the family was referred to the Clinics for Rare Diseases Referral and the University of Hong Kong Undiagnosed Disease Program. Whole-exome sequencing analysis revealed a homozygous non-sense variant, NM_021873:c.313G > T (p.Glu105*), in the CDC25B gene, a key regulator of the cell cycle. This variant was located in a region of homozygosity of 25 Mb on chromosome 20. Her parents and two asymptomatic sisters were confirmed to be carriers and one brother did not carry the variant. This is the first report of a natural human knockout of the CDC25B gene. Multiple endocrinopathies and fatal juvenile dilated cardiomyopathy suggests the potential for unfavorable complications in oncology patients receiving CDC25B inhibitors as an emerging targeted therapy.
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Affiliation(s)
- Ching-Wan Lam
- Department of Pathology, The University of Hong Kong, Queen Mary Hospital, Hong Kong, China.
| | - Nai-Chung Fong
- Department of Paediatrics & Adolescent Medicine, Princess Margaret Hospital, Hong Kong, China
| | | | - Kwai-Cheung Lau
- Department of Pathology, Princess Margaret Hospital, Hong Kong, China
| | - Tsz-Ki Ling
- Division of Chemical Pathology, Department of Pathology, Queen Mary Hospital, Hong Kong, China
| | - Daniel Wai-Yau Mak
- Department of Paediatrics & Adolescent Medicine, Princess Margaret Hospital, Hong Kong, China
| | - Xinqi Cheng
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Chun-Yiu Law
- Division of Chemical Pathology, Department of Pathology, Queen Mary Hospital, Hong Kong, China
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169
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Klinakis A, Karagiannis D, Rampias T. Targeting DNA repair in cancer: current state and novel approaches. Cell Mol Life Sci 2020; 77:677-703. [PMID: 31612241 PMCID: PMC11105035 DOI: 10.1007/s00018-019-03299-8] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 08/06/2019] [Accepted: 09/09/2019] [Indexed: 12/12/2022]
Abstract
DNA damage response, DNA repair and genomic instability have been under study for their role in tumor initiation and progression for many years now. More recently, next-generation sequencing on cancer tissue from various patient cohorts have revealed mutations and epigenetic silencing of various genes encoding proteins with roles in these processes. These findings, together with the unequivocal role of DNA repair in therapeutic response, have fueled efforts toward the clinical exploitation of research findings. The successful example of PARP1/2 inhibitors has also supported these efforts and led to numerous preclinical and clinical trials with a large number of small molecules targeting various components involved in DNA repair singularly or in combination with other therapies. In this review, we focus on recent considerations related to DNA damage response and new DNA repair inhibition agents. We then discuss how immunotherapy can collaborate with these new drugs and how epigenetic drugs can rewire the activity of repair pathways and sensitize cancer cells to DNA repair inhibition therapies.
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Affiliation(s)
- Apostolos Klinakis
- Biomedical Research Foundation of the Academy of Athens, 11527, Athens, Greece.
| | - Dimitris Karagiannis
- Department of Genetics and Development, Columbia University Medical Center, New York, NY, 10032, USA
| | - Theodoros Rampias
- Biomedical Research Foundation of the Academy of Athens, 11527, Athens, Greece.
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170
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Fan C, Zhong T, Yang H, Yang Y, Wang D, Yang X, Xu Y, Fan Y. Design, synthesis, biological evaluation of 6-(2-amino-1H-benzo[d]imidazole-6-yl)quinazolin-4(3H)-one derivatives as novel anticancer agents with Aurora kinase inhibition. Eur J Med Chem 2020; 190:112108. [PMID: 32058239 DOI: 10.1016/j.ejmech.2020.112108] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 01/11/2020] [Accepted: 01/28/2020] [Indexed: 02/07/2023]
Abstract
Aurora A kinase, a member of the Aurora kinase family, is frequently overexpressed in various human cancers. In addition, Overexpression of Aurora A kinase is associated with drug resistance and poor prognosis in many cancers including breast cancer. Therefore, Aurora A kinase has been considered as an attractive anticancer target for the treatment of human cancers. Herein, A series of 6-(2-amino-1H-benzo[d]imidazole-6-yl)quinazolin-4(3H)-one derivatives were designed, synthesized, and evaluated as Aurora A kinase inhibitors. The cell-based cytotoxicity assays showed that compound 16h was the most potent cytotoxic agent against all tested cancer cells and had a lower IC50 value than ENMD-2076 against MDA-MB-231 cells. Meanwhile, Aurora A kinase assay and Western blot analysis showed that 16h inhibited Aurora A kinase with an IC50 value of 21.94 nM and suppressed the phosphorylation of Histone H3 on Ser10 and Aurora A kinase on Thr288, which were consistent with the activation of Aurora A kinase. Accordingly, 16h caused aberrant mitotic phenotypes and obvious G2/M phase arrest in MDA-MB-231 cells and induced caspase-dependent apoptosis in MDA-MB-231 cells. These results demonstrated that 16h is a potential candidate for the development of anticancer agents targeting Aurora A kinase.
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Affiliation(s)
- Chengcheng Fan
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China; Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Ting Zhong
- State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
| | - Huarong Yang
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
| | - Ying Yang
- State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
| | - Daoping Wang
- State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
| | - Xiaosheng Yang
- State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
| | - Yongnan Xu
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Yanhua Fan
- State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China.
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171
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Madigan JP, Robey RW, Poprawski JE, Huang H, Clarke CJ, Gottesman MM, Cabot MC, Rosenberg DW. A role for ceramide glycosylation in resistance to oxaliplatin in colorectal cancer. Exp Cell Res 2020; 388:111860. [PMID: 31972222 DOI: 10.1016/j.yexcr.2020.111860] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 01/17/2020] [Accepted: 01/19/2020] [Indexed: 11/27/2022]
Abstract
There is growing evidence to support a role for the ceramide-metabolizing enzyme, glucosylceramide synthase (GCS), in resistance to a variety of chemotherapeutic agents. Whether GCS contributes to oxaliplatin resistance in colorectal cancer (CRC) has not yet been determined. We have addressed this potentially important clinical issue by examining GCS function in two panels of oxaliplatin-resistant, isogenic CRC cell lines. Compared to parental cell lines, oxaliplatin-resistant cells have increased expression of GCS protein associated with increased levels of the pro-survival ceramide metabolite, glucosylceramide (GlcCer). Inhibition of GCS expression by RNAi-mediated gene knockdown resulted in a reduction in cellular GlcCer levels, with restored sensitivity to oxaliplatin. Furthermore, oxaliplatin-resistant CRC cells displayed lower ceramide levels both basally and after treatment with oxaliplatin, compared to parental cells. GlcCer, formed by GCS-mediated ceramide glycosylation, is the precursor to a complex array of glycosphingolipids. Differences in cellular levels and species of gangliosides, a family of glycosphingolipids, were also seen between parental and oxaliplatin-resistant CRC cells. Increased Akt activation was also observed in oxaliplatin-resistant CRC cell lines, together with increased expression of the anti-apoptotic protein survivin. Finally, this study shows that GCS protein levels are greatly increased in human CRC specimens, compared to matched, normal colonic mucosa, and that high levels of UGCG gene expression are significantly associated with decreased disease-free survival in colorectal cancer patients. These findings uncover an important cellular role for GCS in oxaliplatin chemosensitivity and may provide a novel cellular target for augmenting chemotherapeutic drug effectiveness in CRC.
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Affiliation(s)
- James P Madigan
- Center for Molecular Oncology, University of Connecticut Health, Farmington, CT, USA; Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Robert W Robey
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Joanna E Poprawski
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Huakang Huang
- Center for Molecular Oncology, University of Connecticut Health, Farmington, CT, USA
| | - Christopher J Clarke
- Department of Medicine and the Stony Brook Cancer Center at Stony Brook, Stony Brook, NY, USA
| | - Michael M Gottesman
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Myles C Cabot
- Department of Biochemistry and Molecular Biology, Brody School of Medicine and East Carolina Diabetes Institute, East Carolina University, Greenville, NC, USA
| | - Daniel W Rosenberg
- Center for Molecular Oncology, University of Connecticut Health, Farmington, CT, USA.
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172
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O'Boyle NM, Ana G, Kelly PM, Nathwani SM, Noorani S, Fayne D, Bright SA, Twamley B, Zisterer DM, Meegan MJ. Synthesis and evaluation of antiproliferative microtubule-destabilising combretastatin A-4 piperazine conjugates. Org Biomol Chem 2020; 17:6184-6200. [PMID: 31173031 DOI: 10.1039/c9ob00558g] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Microtubules are a validated clinical target for the treatment of many cancers. We describe the design, synthesis, biochemical evaluation, and molecular modelling studies of a series of analogues of the microtubule-destabilising agent, combretastatin A-4 (CA-4). Our series of 33 novel compounds contain the CA-4 core structure with modifications to the stilbene linking group, and are predominantly piperazine derivatives. Synthesis was achieved in a two-step process by firstly obtaining the acrylic acid via a Perkin reaction using microwave enhanced synthesis, followed by coupling using either DCC or Mukaiyama's reagent. All target compounds were screened for antiproliferative activity in MCF-7 breast cancer cells. Hydroxyl derivative (E)-3-(4-hydroxy-3-methoxyphenyl)-1-(4-phenylpiperazin-1-yl)-2-(3,4,5-trimethoxyphenyl) propenone (4m) displayed potent antiproliferative activity (IC50 = 190 nM). Two amino-containing derivatives, (E)-3-(3-amino-4-methoxyphenyl)-1-(4-phenylpiperazin-1-yl)-2-(3,4,5-trimethoxyphenyl)prop-2-en-1-one (4q) and (E)-3-(3-amino-4-methoxyphenyl)-1-(4-(p-tolyl)piperazin-1-yl)-2-(3,4,5-trimethoxyphenyl)prop-2-en-1-one (4x), were the most potent with IC50 values of 130 nM and 83 nM respectively. Representative compounds were shown to depolymerise tubulin, induce G2/M arrest and apoptosis in MCF-7 cells but not peripheral blood mononuclear cells, and induce cleavage of the DNA repair enzyme poly ADP ribose polymerase (PARP) in MCF-7 cells. Modelling studies predict that the compounds bind to tubulin within the colchicine-binding site. These compounds are a valuable addition to the library of CA-4 analogues and 4m, 4q and 4x will be developed further as novel, water-soluble molecules targeting microtubules.
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Affiliation(s)
- Niamh M O'Boyle
- School of Pharmacy and Pharmaceutical Sciences, Trinity Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin 2 D02 R590, Ireland.
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AbouAitah K, Hassan HA, Swiderska-Sroda A, Gohar L, Shaker OG, Wojnarowicz J, Opalinska A, Smalc-Koziorowska J, Gierlotka S, Lojkowski W. Targeted Nano-Drug Delivery of Colchicine against Colon Cancer Cells by Means of Mesoporous Silica Nanoparticles. Cancers (Basel) 2020; 12:E144. [PMID: 31936103 PMCID: PMC7017376 DOI: 10.3390/cancers12010144] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 12/25/2019] [Accepted: 01/03/2020] [Indexed: 12/19/2022] Open
Abstract
Antimitotics are important anticancer agents and include the natural alkaloid prodrug colchicine (COL). However, a major challenge of using COL as an anticancer drug is its cytotoxicity. We developed a novel drug delivery system (DDS) for COL using mesoporous silica nanoparticles (MSNs). The MSNs were functionalized with phosphonate groups, loaded with COL, and coated with folic acid chitosan-glycine complex. The resulting nanoformulation, called MSNsPCOL/CG-FA, was tested for action against cancer and normal cell lines. The anticancer effect was highly enhanced for MSNsPCOL/CG-FA compared to COL. In the case of HCT116 cells, 100% inhibition was achieved. The efficiency of MSNsPCOL/CG-FA ranked in this order: HCT116 (colon cancer) > HepG2 (liver cancer) > PC3 (prostate cancer). MSNsPCOL/CG-FA exhibited low cytotoxicity (4%) compared to COL (~60%) in BJ1 normal cells. The mechanism of action was studied in detail for HCT116 cells and found to be primarily intrinsic apoptosis caused by an enhanced antimitotic effect. Furthermore, a contribution of genetic regulation (metastasis-associated lung adenocarcinoma transcript 1 (MALAT 1), and microRNA (mir-205)) and immunotherapy effects (angiopoietin-2 (Ang-2 protein) and programmed cell death protein 1 (PD-1) was found. Therefore, this study shows enhanced anticancer effects and reduced cytotoxicity of COL with targeted delivery compared to free COL and is a novel method of developing cancer immunotherapy using a low-cost small-molecule natural prodrug.
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Affiliation(s)
- Khaled AbouAitah
- Laboratory of Nanostructures, Institute of High Pressure Physics, Polish Academy of Sciences, Sokolowska 29/37, 01-142 Warsaw, Poland; (A.S.-S.); (J.W.); (A.O.); (S.G.); (W.L.)
- Medicinal and Aromatic Plants Research Department, Pharmaceutical and Drug Industries Research Division, National Research Centre (NRC), Dokki, Giza 12622, Egypt
| | - Heba A. Hassan
- Therapeutic Chemistry Department, Pharmaceutical and Drug Industries Research Division, National Research Centre (NRC), Dokki, Giza 12622, Egypt;
| | - Anna Swiderska-Sroda
- Laboratory of Nanostructures, Institute of High Pressure Physics, Polish Academy of Sciences, Sokolowska 29/37, 01-142 Warsaw, Poland; (A.S.-S.); (J.W.); (A.O.); (S.G.); (W.L.)
| | - Lamiaa Gohar
- Pharmacognosy Department, Pharmaceutical and Drug Industries Research Division, National Research Centre (NRC), Dokki, Giza 12622, Egypt;
| | - Olfat G. Shaker
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Cairo University, Cairo 11511, Egypt;
| | - Jacek Wojnarowicz
- Laboratory of Nanostructures, Institute of High Pressure Physics, Polish Academy of Sciences, Sokolowska 29/37, 01-142 Warsaw, Poland; (A.S.-S.); (J.W.); (A.O.); (S.G.); (W.L.)
| | - Agnieszka Opalinska
- Laboratory of Nanostructures, Institute of High Pressure Physics, Polish Academy of Sciences, Sokolowska 29/37, 01-142 Warsaw, Poland; (A.S.-S.); (J.W.); (A.O.); (S.G.); (W.L.)
| | - Julita Smalc-Koziorowska
- Laboratory of Semiconductor Characterization, Institute of High Pressure Physics, Polish Academy of Sciences, Sokolowska 29/37, 01-142 Warsaw, Poland;
| | - Stanislaw Gierlotka
- Laboratory of Nanostructures, Institute of High Pressure Physics, Polish Academy of Sciences, Sokolowska 29/37, 01-142 Warsaw, Poland; (A.S.-S.); (J.W.); (A.O.); (S.G.); (W.L.)
| | - Witold Lojkowski
- Laboratory of Nanostructures, Institute of High Pressure Physics, Polish Academy of Sciences, Sokolowska 29/37, 01-142 Warsaw, Poland; (A.S.-S.); (J.W.); (A.O.); (S.G.); (W.L.)
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174
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Sasaki JC, Allemang A, Bryce SM, Custer L, Dearfield KL, Dietz Y, Elhajouji A, Escobar PA, Fornace AJ, Froetschl R, Galloway S, Hemmann U, Hendriks G, Li HH, Luijten M, Ouedraogo G, Peel L, Pfuhler S, Roberts DJ, Thybaud V, van Benthem J, Yauk CL, Schuler M. Application of the adverse outcome pathway framework to genotoxic modes of action. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2020; 61:114-134. [PMID: 31603995 DOI: 10.1002/em.22339] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 09/17/2019] [Accepted: 09/23/2019] [Indexed: 05/22/2023]
Abstract
In May 2017, the Health and Environmental Sciences Institute's Genetic Toxicology Technical Committee hosted a workshop to discuss whether mode of action (MOA) investigation is enhanced through the application of the adverse outcome pathway (AOP) framework. As AOPs are a relatively new approach in genetic toxicology, this report describes how AOPs could be harnessed to advance MOA analysis of genotoxicity pathways using five example case studies. Each of these genetic toxicology AOPs proposed for further development includes the relevant molecular initiating events, key events, and adverse outcomes (AOs), identification and/or further development of the appropriate assays to link an agent to these events, and discussion regarding the biological plausibility of the proposed AOP. A key difference between these proposed genetic toxicology AOPs versus traditional AOPs is that the AO is a genetic toxicology endpoint of potential significance in risk characterization, in contrast to an adverse state of an organism or a population. The first two detailed case studies describe provisional AOPs for aurora kinase inhibition and tubulin binding, leading to the common AO of aneuploidy. The remaining three case studies highlight provisional AOPs that lead to chromosome breakage or mutation via indirect DNA interaction (inhibition of topoisomerase II, production of cellular reactive oxygen species, and inhibition of DNA synthesis). These case studies serve as starting points for genotoxicity AOPs that could ultimately be published and utilized by the broader toxicology community and illustrate the practical considerations and evidence required to formalize such AOPs so that they may be applied to genetic toxicity evaluation schemes. Environ. Mol. Mutagen. 61:114-134, 2020. © 2019 Wiley Periodicals, Inc.
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Affiliation(s)
| | | | | | - Laura Custer
- Bristol-Myers Squibb Company, Drug Safety Evaluation, New Brunswick, New Jersey
| | | | - Yasmin Dietz
- Sanofi-Aventis Deutschland GmbH, Frankfurt, Germany
| | | | | | | | | | | | | | | | - Heng-Hong Li
- Georgetown University, Washington, District of Columbia
| | - Mirjam Luijten
- National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | | | - Lauren Peel
- Health and Environmental Sciences Institute, Washington, District of Columbia
| | | | | | - Véronique Thybaud
- Sanofi, Research and Development, Preclinical Safety, Vitry-sur-Seine, France
| | - Jan van Benthem
- National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Carole L Yauk
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, Ontario, Canada
| | - Maik Schuler
- Pfizer Inc, World Wide Research and Development, Groton, Connecticut
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175
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Florio R, Veschi S, di Giacomo V, Pagotto S, Carradori S, Verginelli F, Cirilli R, Casulli A, Grassadonia A, Tinari N, Cataldi A, Amoroso R, Cama A, De Lellis L. The Benzimidazole-Based Anthelmintic Parbendazole: A Repurposed Drug Candidate That Synergizes with Gemcitabine in Pancreatic Cancer. Cancers (Basel) 2019; 11:cancers11122042. [PMID: 31861153 PMCID: PMC6966614 DOI: 10.3390/cancers11122042] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 12/09/2019] [Accepted: 12/14/2019] [Indexed: 12/24/2022] Open
Abstract
Pancreatic cancer (PC) is one of the most lethal, chemoresistant malignancies and it is of paramount importance to find more effective therapeutic agents. Repurposing of non-anticancer drugs may expand the repertoire of effective molecules. Studies on repurposing of benzimidazole-based anthelmintics in PC and on their interaction with agents approved for PC therapy are lacking. We analyzed the effects of four Food and Drug Administration (FDA)-approved benzimidazoles on AsPC-1 and Capan-2 pancreatic cancer cell line viability. Notably, parbendazole was the most potent benzimidazole affecting PC cell viability, with half maximal inhibitory concentration (IC50) values in the nanomolar range. The drug markedly inhibited proliferation, clonogenicity and migration of PC cell lines through mechanisms involving alteration of microtubule organization and formation of irregular mitotic spindles. Moreover, parbendazole interfered with cell cycle progression promoting G2/M arrest, followed by the emergence of enlarged, polyploid cells. These abnormalities, suggesting a mitotic catastrophe, culminated in PC cell apoptosis, are also associated with DNA damage in PC cell lines. Remarkably, combinations of parbendazole with gemcitabine, a drug employed as first-line treatment in PC, synergistically decreased PC cell viability. In conclusion, this is the first study providing evidence that parbendazole as a single agent, or in combination with gemcitabine, is a repurposing candidate in the currently dismal PC therapy.
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Affiliation(s)
- Rosalba Florio
- Department of Pharmacy, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (R.F.); (S.V.); (V.d.G.); (F.V.); (A.C.); (R.A.); (L.D.L.)
| | - Serena Veschi
- Department of Pharmacy, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (R.F.); (S.V.); (V.d.G.); (F.V.); (A.C.); (R.A.); (L.D.L.)
| | - Viviana di Giacomo
- Department of Pharmacy, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (R.F.); (S.V.); (V.d.G.); (F.V.); (A.C.); (R.A.); (L.D.L.)
| | - Sara Pagotto
- Department of Medical, Oral and Biotechnological Sciences, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (S.P.); (A.G.); (N.T.)
- Center for Advanced Studies and Technology (CAST), University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
| | - Simone Carradori
- Department of Pharmacy, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (R.F.); (S.V.); (V.d.G.); (F.V.); (A.C.); (R.A.); (L.D.L.)
- Correspondence: (S.C.); (A.C.); Tel.: +39-0871-3554583 (S.C.); +39-0871-3554559 (A.C.)
| | - Fabio Verginelli
- Department of Pharmacy, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (R.F.); (S.V.); (V.d.G.); (F.V.); (A.C.); (R.A.); (L.D.L.)
- Center for Advanced Studies and Technology (CAST), University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
| | - Roberto Cirilli
- Centro nazionale per il controllo e la valutazione dei farmaci, Istituto Superiore di Sanità, 00161 Rome, Italy;
| | - Adriano Casulli
- WHO Collaborating Centre for the Epidemiology, Detection and Control of Cystic and Alveolar Echinococcosis (in Animals and Humans), Istituto Superiore di Sanità (ISS), 00161 Rome, Italy;
- European Union Reference Laboratory for Parasites, Istituto Superiore di Sanità (ISS), 00161 Rome, Italy
| | - Antonino Grassadonia
- Department of Medical, Oral and Biotechnological Sciences, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (S.P.); (A.G.); (N.T.)
- Center for Advanced Studies and Technology (CAST), University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
| | - Nicola Tinari
- Department of Medical, Oral and Biotechnological Sciences, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (S.P.); (A.G.); (N.T.)
- Center for Advanced Studies and Technology (CAST), University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
| | - Amelia Cataldi
- Department of Pharmacy, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (R.F.); (S.V.); (V.d.G.); (F.V.); (A.C.); (R.A.); (L.D.L.)
| | - Rosa Amoroso
- Department of Pharmacy, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (R.F.); (S.V.); (V.d.G.); (F.V.); (A.C.); (R.A.); (L.D.L.)
| | - Alessandro Cama
- Department of Pharmacy, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (R.F.); (S.V.); (V.d.G.); (F.V.); (A.C.); (R.A.); (L.D.L.)
- Center for Advanced Studies and Technology (CAST), University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
- Correspondence: (S.C.); (A.C.); Tel.: +39-0871-3554583 (S.C.); +39-0871-3554559 (A.C.)
| | - Laura De Lellis
- Department of Pharmacy, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (R.F.); (S.V.); (V.d.G.); (F.V.); (A.C.); (R.A.); (L.D.L.)
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176
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Daitoku N, Miyamoto Y, Sakamoto Y, Tokunaga R, Hiyoshi Y, Nagai Y, Iwatsuki M, Iwagami S, Yoshida N, Baba H. Prognostic significance of serum p53 antibody according to KRAS status in metastatic colorectal cancer patients. Int J Clin Oncol 2019; 25:651-659. [PMID: 31834556 DOI: 10.1007/s10147-019-01599-4] [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: 08/14/2019] [Accepted: 12/08/2019] [Indexed: 10/25/2022]
Abstract
BACKGROUND Serum anti-p53 antibody is used clinically as a tumor marker of colorectal cancer. However, its prognostic significance in patients with metastatic colorectal cancer (mCRC) remains unclear. KRAS status may influence the host immune response against tumor progression. In the present study, we investigated the prognostic significance of serum anti-p53 in mCRC patients with wild-type KRAS and mutant KRAS treated with systemic chemotherapy. METHODS A retrospective study of 150 mCRC patients in whom serum anti-p53 antibody was measured before first-line chemotherapy was conducted. The patients were divided into two groups, high p53 and low p53, based on their serum anti-p53 antibody levels. Associations between serum anti-p53 level and clinical outcomes were evaluated in conjunction with KRAS status. RESULTS There were 97 (64.7%) patients with wild-type KRAS and 53 (35.3%) with mutant KRAS. In an analysis of all patients, there was no significant difference in overall survival (OS) between the high p53 and low p53 groups. In patients with mutant KRAS, those in the high p53 group exhibited significantly longer OS than those in the low p53 group (p = 0.017, log-rank test). In the multivariate analysis, serum p53 antibody level was an independent predictor of OS in mCRC patients (high vs. normal; hazard ratio 0.438, 95% confidence interval 0.178-0.974, p < 0.05). CONCLUSIONS Serum anti-p53 antibody level may be an independent predictor of OS in mCRC patients with KRAS mutant tumors.
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Affiliation(s)
- Nobuya Daitoku
- Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, 860-8556, Japan
| | - Yuji Miyamoto
- Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, 860-8556, Japan
| | - Yuki Sakamoto
- Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, 860-8556, Japan
| | - Ryuma Tokunaga
- Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, 860-8556, Japan
| | - Yukiharu Hiyoshi
- Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, 860-8556, Japan
| | - Yohei Nagai
- Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, 860-8556, Japan
| | - Masaaki Iwatsuki
- Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, 860-8556, Japan
| | - Shiro Iwagami
- Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, 860-8556, Japan
| | - Naoya Yoshida
- Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, 860-8556, Japan
| | - Hideo Baba
- Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, 860-8556, Japan.
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177
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Kleinberger T. Biology of the adenovirus E4orf4 protein: from virus infection to cancer cell death. FEBS Lett 2019; 594:1891-1917. [DOI: 10.1002/1873-3468.13704] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 11/24/2019] [Accepted: 11/25/2019] [Indexed: 12/14/2022]
Affiliation(s)
- Tamar Kleinberger
- Department of Molecular Microbiology the Rappaport Faculty of Medicine Technion –Israel Institute of Technology Haifa Israel
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178
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Li H, Hu P, Wang Z, Wang H, Yu X, Wang X, Qing Y, Zhu M, Xu J, Li Z, Guo Q, Hui H. Mitotic catastrophe and p53-dependent senescence induction in T-cell malignancies exposed to nonlethal dosage of GL-V9. Arch Toxicol 2019; 94:305-323. [DOI: 10.1007/s00204-019-02623-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 11/06/2019] [Indexed: 12/18/2022]
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179
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Yeung T, Fung O, Bashkurov M, Khandani A, Subedar O, Wudwud A, Shaw P, Clarke B, Bartlett J, Rottapel R, Kapus A. Avoidance of apoptotic death via a hyperploid salvage survival pathway after platinum treatment in high grade serous carcinoma cell line models. Oncotarget 2019; 10:6691-6712. [PMID: 31803363 PMCID: PMC6877103 DOI: 10.18632/oncotarget.27330] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Accepted: 10/26/2019] [Indexed: 11/25/2022] Open
Abstract
The alkylating agent platinum is first-line chemotherapy treatment for high-grade serous carcinomas (HGSC) of tubal-ovarian origin. Platinum compounds cause DNA damage and induce apoptotic cell death in the bulk tumor population. However, subpopulations of tumor cells may exhibit diverging behaviors from the bulk tumor due to an alternate stress response that diverts tumor cells from apoptotic death. In this study, we identified a salvage survival pathway in which G2-arrested tumor cells bypassed apoptosis and progressed through aberrant mitotic events to then emerge as a distinct subpopulation of viable large hyperploid cells but with uncertain long-term propagation potential. Platinum-induced large hyperploid cells were flow sorted and showed rare regrowth capacity as compared to their more proficiently regenerating non-hyperploid counterparts. However, detailed time-lapse microscopy provided direct evidence that these hyperploid cells were mitotically active and could divide successfully to produce viable daughter cells. The hyperploid survival response was observed across different cell lines and utilization of this survival pathway was dependent on the strength of the G2-M checkpoint. Conceivably, this salvage survival strategy may contribute to increased genomic diversity of the regenerating tumor cell line through a coupled hyperploidization and de-polyploidization process that may be relevant for drug resistance.
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Affiliation(s)
- Tony Yeung
- St. Michael’s Hospital, Keenan Research Center, Toronto, Canada
| | - Oliver Fung
- St. Michael’s Hospital, Keenan Research Center, Toronto, Canada
| | | | - Arian Khandani
- Flow and Mass Cytometry Facility, Hospital for Sick Children, Toronto, Canada
| | - Omar Subedar
- Flow and Mass Cytometry Facility, Hospital for Sick Children, Toronto, Canada
| | - Alexandra Wudwud
- Princess Margaret Cancer Center at the University Health Network, Toronto, Canada
| | - Patricia Shaw
- Princess Margaret Cancer Center at the University Health Network, Toronto, Canada
| | - Blaise Clarke
- Princess Margaret Cancer Center at the University Health Network, Toronto, Canada
| | - John Bartlett
- Ontario Institute for Cancer Research, University of Toronto, Toronto, Canada
| | - Robert Rottapel
- Princess Margaret Cancer Center at the University Health Network, Toronto, Canada
- Ontario Institute for Cancer Research, University of Toronto, Toronto, Canada
- Department of Medicine, University of Toronto, Toronto, Canada
- Division of Rheumatology, St. Michael’s Hospital, Toronto, Canada
- Department of Immunology, University of Toronto, Toronto, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, Canada
| | - Andras Kapus
- St. Michael’s Hospital, Keenan Research Center, Toronto, Canada
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180
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Kim DH, Kim HM, Huong PTT, Han HJ, Hwang J, Cha-Molstad H, Lee KH, Ryoo IJ, Kim KE, Huh YH, Ahn JS, Kwon YT, Soung NK, Kim BY. Enhanced anticancer effects of a methylation inhibitor by inhibiting a novel DNMT1 target, CEP 131, in cervical cancer. BMB Rep 2019. [PMID: 31068247 PMCID: PMC6549914 DOI: 10.5483/bmbrep.2019.52.5.055] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Methylation is a primary epigenetic mechanism regulating gene expression. 5-aza-2′-deoxycytidine is an FDA-approved drug prescribed for treatment of cancer by inhibiting DNA-Methyl-Transferase 1 (DNMT1). Results of this study suggest that prolonged treatment with 5-aza-2′-deoxycytidine could induce centrosome abnormalities in cancer cells and that CEP131, a centrosome protein, is regulated by DNMT1. Interestingly, cancer cell growth was attenuated in vitro and in vivo by inhibiting the expression of Cep131. Finally, Cep131-deficient cells were more sensitive to treatment with DNMT1 inhibitors. These findings suggest that Cep131 is a potential novel anti-cancer target. Agents that can inhibit this protein may be useful alone or in combination with DNMT1 inhibitors to treat cancer.
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Affiliation(s)
- Dong Hyun Kim
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju 28116; Department of Bio-Molecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon 34113, Korea
| | - Hye-Min Kim
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju 28116, Korea
| | - Pham Thi Thu Huong
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju 28116, Korea
| | - Ho-Jin Han
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju 28116; Department of Bio-Molecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon 34113, Korea
| | - Joonsung Hwang
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju 28116, Korea
| | - Hyunjoo Cha-Molstad
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju 28116, Korea
| | - Kyung Ho Lee
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju 28116, Korea
| | - In-Ja Ryoo
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju 28116, Korea
| | - Kyoon Eon Kim
- Department of Biochemistry, College of Natural Science, Chungnam National University, Daejeon 34134, Korea
| | - Yang Hoon Huh
- Center for Electron Microscopy Research, Korea Basic Science Institute, Cheongju 28119, Korea
| | - Jong Seog Ahn
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju 28116; Department of Bio-Molecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon 34113, Korea
| | - Yong Tae Kwon
- Protein Metabolism Medical Research Center, Department of Biomedical Sciences, College of Medicine, Seoul National University, Seoul 03080, Korea
| | - Nak-Kyun Soung
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju 28116; Department of Bio-Molecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon 34113, Korea
| | - Bo Yeon Kim
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju 28116; Department of Bio-Molecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon 34113, Korea
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181
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Cournoyer S, Addioui A, Belounis A, Beaunoyer M, Nyalendo C, Le Gall R, Teira P, Haddad E, Vassal G, Sartelet H. GX15-070 (Obatoclax), a Bcl-2 family proteins inhibitor engenders apoptosis and pro-survival autophagy and increases Chemosensitivity in neuroblastoma. BMC Cancer 2019; 19:1018. [PMID: 31664947 PMCID: PMC6819521 DOI: 10.1186/s12885-019-6195-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 09/24/2019] [Indexed: 12/19/2022] Open
Abstract
Background Neuroblastoma (NB) is a frequent pediatric tumor associated with poor prognosis. The disregulation of Bcl-2, an anti-apoptotic protein, is crucial for the tumoral development and chemoresistance. Autophagy is also implicated in tumor cell survival and chemoresistance. The aim of our study was to demonstrate therapeutic efficiency of GX 15–070, a pan-Bcl-2 family inhibitor, used alone and in combination with conventional drugs or with hydroxychloroquine (HCQ), an autophagy inhibitor. Methods Five neuroblastoma cell lines were tested for the cytotoxic activity of GX 15–070 alone or in combination with cisplatin, doxorubicin, HCQ or Z-VAD-FMK a broad-spectrum caspase inhibitor. Apoptosis and autophagy levels were studied by western-blot and FACS. Orthotopic injections were performed on NOD/LtSz-scid/IL-2Rgamma null mice that were treated with either GX 15–070 alone or in combination with HCQ. Results Synergistic cytotoxicity was observed for the drug combination in all of the 5 neuroblastoma cell lines tested, including MYCN amplified lines and in cancer stem cells. GX 15–070 significantly increased apoptosis and autophagy in neuroblastoma cells as evidenced by increased levels of the autophagy marker, LC3-II. Inhibition of autophagy by HCQ, further increased the cytotoxicity of this combinatorial treatment, suggesting that autophagy induced by these agent plays a cytoprotective role. In vivo, GX 15–070 combined with HCQ significantly decreased the growth of the tumor and the number of distant metastases. Conclusions Based on the synergistic effect of HCQ and GX 15–070 observed in this study, the combination of these two drugs may be utilized as a new therapeutic approach for neuroblastoma.
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Affiliation(s)
- Sonia Cournoyer
- Research Center, Sainte Justine University Hospital Center, Montreal, QC, Canada
| | - Anissa Addioui
- Research Center, Sainte Justine University Hospital Center, Montreal, QC, Canada.,Department of Pathology and Cellular Biology, Université de Montréal, Montreal, QC, Canada
| | - Assila Belounis
- Research Center, Sainte Justine University Hospital Center, Montreal, QC, Canada.,Department of Pathology and Cellular Biology, Université de Montréal, Montreal, QC, Canada
| | - Mona Beaunoyer
- Research Center, Sainte Justine University Hospital Center, Montreal, QC, Canada.,Department of Pediatric Surgery, Sainte-Justine University Hospital Center, Montreal, QC, Canada
| | - Carine Nyalendo
- Research Center, Sainte Justine University Hospital Center, Montreal, QC, Canada
| | - Roxane Le Gall
- Research Center, Sainte Justine University Hospital Center, Montreal, QC, Canada
| | - Pierre Teira
- Research Center, Sainte Justine University Hospital Center, Montreal, QC, Canada.,Department of Pediatric Hemato-Oncology, Sainte-Justine University Hospital Center, Montreal, QC, Canada
| | - Elie Haddad
- Research Center, Sainte Justine University Hospital Center, Montreal, QC, Canada
| | - Gilles Vassal
- Department of Pediatric Oncology, Institut Gustave Roussy, Villejuif, France
| | - Hervé Sartelet
- Research Center, Sainte Justine University Hospital Center, Montreal, QC, Canada. .,Department of Pathology and Cellular Biology, Université de Montréal, Montreal, QC, Canada. .,Département d'anatomie et cytologie pathologiques, Institut de Biologie et Pathologie, CHU A Michallon, 38043, Grenoble cedex 09, France.
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182
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Wen C, Wang H, Wu X, He L, Zhou Q, Wang F, Chen S, Huang L, Chen J, Wang H, Ye W, Li W, Yang X, Liu H, Peng J. ROS-mediated inactivation of the PI3K/AKT pathway is involved in the antigastric cancer effects of thioredoxin reductase-1 inhibitor chaetocin. Cell Death Dis 2019; 10:809. [PMID: 31649256 PMCID: PMC6813365 DOI: 10.1038/s41419-019-2035-x] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Revised: 07/17/2019] [Accepted: 08/02/2019] [Indexed: 12/24/2022]
Abstract
Novel drugs are urgently needed for gastric cancer (GC) treatment. The thioredoxin-thioredoxin reductase (TRX-TRXR) system has been found to play a critical role in GC tumorigenesis and progression. Thus, agents that target the TRX-TRXR system may be highly efficacious as GC treatments. In this study, we showed that chaetocin, a natural product isolated from the Chaetomium species of fungi, inhibited proliferation, induced G2/M phase arrest and caspase-dependent apoptosis in both in vitro and in vivo models (cell xenografts and patient-derived xenografts) of GC. Chaetocin inactivated TRXR-1, resulting in the accumulation of reactive oxygen species (ROS) in GC cells; overexpression of TRX-1 as well as cotreatment of GC cells with the ROS scavenger N-acetyl-L-cysteine attenuated chaetocin-induced apoptosis; chaetocin-induced apoptosis was significantly increased when GC cells were cotreated with auranofin. Moreover, chaetocin was shown to inactivate the PI3K/AKT pathway by inducing ROS generation; AKT-1 overexpression also attenuated chaetocin-induced apoptosis. Taken together, these results reveal that chaetocin induces the excessive accumulation of ROS via inhibition of TRXR-1. This is followed by PI3K/AKT pathway inactivation, which ultimately inhibits proliferation and induces caspase-dependent apoptosis in GC cells. Chaetocin therefore may be a potential agent for GC treatment.
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Affiliation(s)
- Chuangyu Wen
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.,Department of Gastrointestinal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Huihui Wang
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.,Department of Clinical Laboratory, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Xiaobin Wu
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.,Department of Gastrointestinal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Lu He
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Qian Zhou
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.,Department of Gastrointestinal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Fang Wang
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Siyu Chen
- Guangdong Laboratory Animals Monitoring Institute, Guangdong Key Laboratory Animal Lab, Guangzhou, Guangdong, China
| | - Lanlan Huang
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Junxiong Chen
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.,Department of Clinical Laboratory, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Huashe Wang
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.,Department of Gastrointestinal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Weibiao Ye
- Dongguan Hospital of Southern Medical University, Guangzhou, Guangdong, China
| | - Wende Li
- Guangdong Laboratory Animals Monitoring Institute, Guangdong Key Laboratory Animal Lab, Guangzhou, Guangdong, China
| | - Xiangling Yang
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Huanliang Liu
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China. .,Department of Clinical Laboratory, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - Junsheng Peng
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China. .,Department of Gastrointestinal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China. .,School of Nursing, Sun Yat-sen University, Guangzhou, Guangdong, China.
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183
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Membrane-bound TNF mediates microtubule-targeting chemotherapeutics-induced cancer cytolysis via juxtacrine inter-cancer-cell death signaling. Cell Death Differ 2019; 27:1569-1587. [PMID: 31645676 PMCID: PMC7206059 DOI: 10.1038/s41418-019-0441-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 10/09/2019] [Accepted: 10/09/2019] [Indexed: 12/17/2022] Open
Abstract
Microtubule-targeting agents (MTAs) are a class of most widely used chemotherapeutics and their mechanism of action has long been assumed to be mitotic arrest of rapidly dividing tumor cells. In contrast to such notion, here we show—in many cancer cell types—MTAs function by triggering membrane TNF (memTNF)-mediated cancer-cell-to-cancer-cell killing, which differs greatly from other non-MTA cell-cycle-arresting agents. The killing is through programmed cell death (PCD), either in way of necroptosis when RIP3 kinase is expressed, or of apoptosis in its absence. Mechanistically, MTAs induce memTNF transcription via the JNK-cJun signaling pathway. With respect to chemotherapy regimens, our results establish that memTNF-mediated killing is significantly augmented by IAP antagonists (Smac mimetics) in a broad spectrum of cancer types, and with their effects most prominently manifested in patient-derived xenograft (PDX) models in which cell–cell contacts are highly reminiscent of human tumors. Therefore, our finding indicates that memTNF can serve as a marker for patient responsiveness, and Smac mimetics will be effective adjuvants for MTA chemotherapeutics. The present study reframes our fundamental biochemical understanding of how MTAs take advantage of the natural tight contact of tumor cells and utilize memTNF-mediated death signaling to induce the entire tumor regression.
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184
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Levrier C, Rockstroh A, Gabrielli B, Kavallaris M, Lehman M, Davis RA, Sadowski MC, Nelson CC. Discovery of thalicthuberine as a novel antimitotic agent from nature that disrupts microtubule dynamics and induces apoptosis in prostate cancer cells. Cell Cycle 2019; 17:652-668. [PMID: 28749250 PMCID: PMC5976206 DOI: 10.1080/15384101.2017.1356512] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
We report for the first time the mechanism of action of the natural product thalicthuberine (TH) in prostate and cervical cancer cells. TH induced a strong accumulation of LNCaP cells in mitosis, severe mitotic spindle defects, and asymmetric cell divisions, ultimately leading to mitotic catastrophe accompanied by cell death through apoptosis. However, unlike microtubule-binding drugs (vinblastine and paclitaxel), TH did not directly inhibit tubulin polymerization when tested in a cell-free system, whereas it reduced cellular microtubule polymer mass in LNCaP cells. This suggests that TH indirectly targets microtubule dynamics through inhibition of a critical regulator or tubulin-associated protein. Furthermore, TH is not a major substrate for P-glycoprotein (Pgp), which is responsible for multidrug resistance in numerous cancers, providing a rationale to further study TH in cancers with Pgp-mediated treatment resistance. The identification of TH's molecular target in future studies will be of great value to the development of TH as potential treatment of multidrug-resistant tumors.
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Affiliation(s)
- Claire Levrier
- a Australian Prostate Cancer Research Centre-Queensland , School of Biomedical Sciences, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), Princess Alexandra Hospital, Translational Research Institute , Brisbane , QLD , Australia.,b Griffith Institute for Drug Discovery, Griffith University , Brisbane , QLD , Australia
| | - Anja Rockstroh
- a Australian Prostate Cancer Research Centre-Queensland , School of Biomedical Sciences, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), Princess Alexandra Hospital, Translational Research Institute , Brisbane , QLD , Australia
| | - Brian Gabrielli
- c The University of Queensland Diamantina Institute; Translational Research Institute ; Brisbane , QLD , Australia
| | - Maria Kavallaris
- d Tumour Biology and Targeting Program , Children's Cancer Institute, Lowy Cancer Research Centre, UNSW Australia , Sydney , NSW , Australia.,e ARC Centre of Excellence in Convergent Bio-Nano Science and Technology and Australian Centre for NanoMedicine , UNSW Australia , Sydney , NSW , Australia
| | - Melanie Lehman
- a Australian Prostate Cancer Research Centre-Queensland , School of Biomedical Sciences, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), Princess Alexandra Hospital, Translational Research Institute , Brisbane , QLD , Australia.,f Vancouver Prostate Centre, Department of Urologic Sciences , University of British Columbia , Vancouver , Canada
| | - Rohan A Davis
- a Australian Prostate Cancer Research Centre-Queensland , School of Biomedical Sciences, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), Princess Alexandra Hospital, Translational Research Institute , Brisbane , QLD , Australia.,b Griffith Institute for Drug Discovery, Griffith University , Brisbane , QLD , Australia
| | - Martin C Sadowski
- a Australian Prostate Cancer Research Centre-Queensland , School of Biomedical Sciences, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), Princess Alexandra Hospital, Translational Research Institute , Brisbane , QLD , Australia
| | - Colleen C Nelson
- a Australian Prostate Cancer Research Centre-Queensland , School of Biomedical Sciences, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), Princess Alexandra Hospital, Translational Research Institute , Brisbane , QLD , Australia
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185
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Kim JY, Ohn J, Yoon JS, Kang BM, Park M, Kim S, Lee W, Hwang S, Kim JI, Kim KH, Kwon O. Priming mobilization of hair follicle stem cells triggers permanent loss of regeneration after alkylating chemotherapy. Nat Commun 2019; 10:3694. [PMID: 31455775 PMCID: PMC6711970 DOI: 10.1038/s41467-019-11665-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 07/29/2019] [Indexed: 02/06/2023] Open
Abstract
The maintenance of genetic integrity is critical for stem cells to ensure homeostasis and regeneration. Little is known about how adult stem cells respond to irreversible DNA damage, resulting in loss of regeneration in humans. Here, we establish a permanent regeneration loss model using cycling human hair follicles treated with alkylating agents: busulfan followed by cyclophosphamide. We uncover the underlying mechanisms by which hair follicle stem cells (HFSCs) lose their pool. In contrast to immediate destructive changes in rapidly proliferating hair matrix cells, quiescent HFSCs show unexpected massive proliferation after busulfan and then undergo large-scale apoptosis following cyclophosphamide. HFSC proliferation is activated through PI3K/Akt pathway, and depletion is driven by p53/p38-induced cell death. RNA-seq analysis shows that HFSCs experience mitotic catastrophe with G2/M checkpoint activation. Our findings indicate that priming mobilization causes stem cells to lose their resistance to DNA damage, resulting in permanent loss of regeneration after alkylating chemotherapy. Hair follicles (HFs) are sensitive to chemotherapy but recover from quiescent HF stem cells, although sometimes chemotherapy results in permanent loss. Here, Kim et al. establish a model of permanent chemotherapy-induced alopecia to uncover the underlying mechanisms depleting human HF stem cells.
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Affiliation(s)
- Jin Yong Kim
- Department of Dermatology, Seoul National University College of Medicine, Seoul, 03080, Korea.,Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul, 03080, Korea.,Laboratory of Cutaneous Aging and Hair Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, 03080, Korea
| | - Jungyoon Ohn
- Department of Dermatology, Seoul National University College of Medicine, Seoul, 03080, Korea.,Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul, 03080, Korea.,Laboratory of Cutaneous Aging and Hair Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, 03080, Korea
| | - Ji-Seon Yoon
- Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul, 03080, Korea.,Laboratory of Cutaneous Aging and Hair Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, 03080, Korea
| | - Bo Mi Kang
- Department of Dermatology, Seoul National University College of Medicine, Seoul, 03080, Korea.,Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul, 03080, Korea.,Laboratory of Cutaneous Aging and Hair Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, 03080, Korea
| | - Minji Park
- Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul, 03080, Korea.,Laboratory of Cutaneous Aging and Hair Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, 03080, Korea.,Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 03080, Korea
| | - Sookyung Kim
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 03080, Korea.,Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul, 03080, Korea
| | - Woochan Lee
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 03080, Korea.,Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul, 03080, Korea
| | | | - Jong-Il Kim
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 03080, Korea.,Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul, 03080, Korea
| | - Kyu Han Kim
- Department of Dermatology, Seoul National University College of Medicine, Seoul, 03080, Korea.,Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul, 03080, Korea.,Laboratory of Cutaneous Aging and Hair Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, 03080, Korea
| | - Ohsang Kwon
- Department of Dermatology, Seoul National University College of Medicine, Seoul, 03080, Korea. .,Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul, 03080, Korea. .,Laboratory of Cutaneous Aging and Hair Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, 03080, Korea.
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186
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Srinivasan G, Williamson EA, Kong K, Jaiswal AS, Huang G, Kim HS, Schärer O, Zhao W, Burma S, Sung P, Hromas R. MiR223-3p promotes synthetic lethality in BRCA1-deficient cancers. Proc Natl Acad Sci U S A 2019; 116:17438-17443. [PMID: 31395736 PMCID: PMC6717293 DOI: 10.1073/pnas.1903150116] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Defects in DNA repair give rise to genomic instability, leading to neoplasia. Cancer cells defective in one DNA repair pathway can become reliant on remaining repair pathways for survival and proliferation. This attribute of cancer cells can be exploited therapeutically, by inhibiting the remaining repair pathway, a process termed synthetic lethality. This process underlies the mechanism of the Poly-ADP ribose polymerase-1 (PARP1) inhibitors in clinical use, which target BRCA1 deficient cancers, which is indispensable for homologous recombination (HR) DNA repair. HR is the major repair pathway for stressed replication forks, but when BRCA1 is deficient, stressed forks are repaired by back-up pathways such as alternative nonhomologous end-joining (aNHEJ). Unlike HR, aNHEJ is nonconservative, and can mediate chromosomal translocations. In this study we have found that miR223-3p decreases expression of PARP1, CtIP, and Pso4, each of which are aNHEJ components. In most cells, high levels of microRNA (miR) 223-3p repress aNHEJ, decreasing the risk of chromosomal translocations. Deletion of the miR223 locus in mice increases PARP1 levels in hematopoietic cells and enhances their risk of unprovoked chromosomal translocations. We also discovered that cancer cells deficient in BRCA1 or its obligate partner BRCA1-Associated Protein-1 (BAP1) routinely repress miR223-3p to permit repair of stressed replication forks via aNHEJ. Reconstituting the expression of miR223-3p in BRCA1- and BAP1-deficient cancer cells results in reduced repair of stressed replication forks and synthetic lethality. Thus, miR223-3p is a negative regulator of the aNHEJ DNA repair and represents a therapeutic pathway for BRCA1- or BAP1-deficient cancers.
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Affiliation(s)
- Gayathri Srinivasan
- Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229
| | - Elizabeth A Williamson
- Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229
| | - Kimi Kong
- Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229
| | - Aruna S Jaiswal
- Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229
| | - Guangcun Huang
- Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229
| | - Hyun-Suk Kim
- Center for Genomic Integrity, Institute for Basic Science, Ulsan 689-798, Republic of Korea
| | - Orlando Schärer
- Center for Genomic Integrity, Institute for Basic Science, Ulsan 689-798, Republic of Korea
- Department of Biological Sciences, School of Life Sciences, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Weixing Zhao
- Department of Biochemistry and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229
| | - Sandeep Burma
- Department of Biochemistry and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229
- Department of Neurosurgery, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229
| | - Patrick Sung
- Department of Biochemistry and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229
| | - Robert Hromas
- Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229;
- Center for Genomic Integrity, Institute for Basic Science, Ulsan 689-798, Republic of Korea
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187
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Lambda-Carrageenan Enhances the Effects of Radiation Therapy in Cancer Treatment by Suppressing Cancer Cell Invasion and Metastasis through Racgap1 Inhibition. Cancers (Basel) 2019; 11:cancers11081192. [PMID: 31426369 PMCID: PMC6721563 DOI: 10.3390/cancers11081192] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 08/12/2019] [Accepted: 08/12/2019] [Indexed: 12/01/2022] Open
Abstract
Radiotherapy is used extensively in cancer treatment, but radioresistance and the metastatic potential of cancer cells that survive radiation remain critical issues. There is a need for novel treatments to improve radiotherapy. Here, we evaluated the therapeutic benefit of λ-carrageenan (CGN) to enhance the efficacy of radiation treatment and investigated the underlying molecular mechanism. CGN treatment decreased viability in irradiated cancer cells and enhanced reactive oxygen species accumulation, apoptosis, and polyploid formation. Additionally, CGN suppressed radiation-induced chemoinvasion and invasive growth in 3D lrECM culture. We also screened target molecules using a gene expression microarray analysis and focused on Rac GTPase-activating protein 1 (RacGAP1). Protein expression of RacGAP1 was upregulated in several cancer cell lines after radiation, which was significantly suppressed by CGN treatment. Knockdown of RacGAP1 decreased cell viability and invasiveness after radiation. Overexpression of RacGAP1 partially rescued CGN cytotoxicity. In a mouse xenograft model, local irradiation followed by CGN treatment significantly decreased tumor growth and lung metastasis compared to either treatment alone. Taken together, these results suggest that CGN may enhance the effectiveness of radiation in cancer therapy by decreasing cancer cell viability and suppressing both radiation-induced invasive activity and distal metastasis through downregulating RacGAP1 expression.
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188
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Shlyakhtunov YA, Klopova VA. [Expression of the antiapoptotic protein survinin and its gene in primary breast carcinoma]. Arkh Patol 2019; 81:18-23. [PMID: 31006775 DOI: 10.17116/patol20198102118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AIM To study the expression of the anti-apoptotic survivin protein, as well as the expression of the BIRC5 gene of its encoding primary breast carcinoma as a potential procnostic and predictive marker. MATERIAL AND METHODS With the help of immunohistochemistry (IHC), as well as polymerase chain reaction in real time (real-time PCR), 67 samples (biopsy) of the primary breast carcinoma were studied for the presence of expression of the survivin protein and the gene of its encoding BIRC5. RESULTS Expression of survivin was determined in 47 mammary carcinoma samples, which was 70.15%. Expression of survivin was most often determined in medium and high grade ductal carcinoma (G2-G3), and was associated with lymphovenous stromal invasion (LVSI+). Expression of the survivin protein correlated with the expression of HER2-neu. In 59.6% of cases, survivin was expressed in tumors with a low Ki-67 index. Most often, survivin was expressed with luminal A and luminal B molecular-biological tumor subtype. Real-time PCR determined the expression of the BIRC5 gene in all 67 carcinoma samples. The level of normalized expression of the BIRC5 gene significantly moderately correlated with the expression of the own product of the survivin protein (r=0.704; p<0.01) and slightly correlated with the expression of the oncoprotein HER2-neu (r= -0.285; p<0.05). CONCLUSION Expression of the protein of survivin and its gene BIRC5, can be considered as an unfavorable prognostic factor and used as a predictive and prognostic marker.
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Affiliation(s)
- Ya A Shlyakhtunov
- Educational Establishment 'Vitebsk State Order of Peoples' Friendship Medical University', Vitebsk, Republic of Belarus
| | - V A Klopova
- Educational Establishment 'Vitebsk State Order of Peoples' Friendship Medical University', Vitebsk, Republic of Belarus
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189
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Mutational processes contributing to the development of multiple myeloma. Blood Cancer J 2019; 9:60. [PMID: 31387987 PMCID: PMC6684612 DOI: 10.1038/s41408-019-0221-9] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 04/26/2019] [Accepted: 05/08/2019] [Indexed: 12/20/2022] Open
Abstract
To gain insight into multiple myeloma (MM) tumorigenesis, we analyzed the mutational signatures in 874 whole-exome and 850 whole-genome data from the CoMMpass Study. We identified that coding and non-coding regions are differentially dominated by distinct single-nucleotide variant (SNV) mutational signatures, as well as five de novo structural rearrangement signatures. Mutational signatures reflective of different principle mutational processes—aging, defective DNA repair, and apolipoprotein B editing complex (APOBEC)/activation-induced deaminase activity—characterize MM. These mutational signatures show evidence of subgroup specificity—APOBEC-attributed signatures associated with MAF translocation t(14;16) and t(14;20) MM; potentially DNA repair deficiency with t(11;14) and t(4;14); and aging with hyperdiploidy. Mutational signatures beyond that associated with APOBEC are independent of established prognostic markers and appear to have relevance to predicting high-risk MM.
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190
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Inhibition of Caspase-2 Translation by the mRNA Binding Protein HuR: A Novel Path of Therapy Resistance in Colon Carcinoma Cells? Cells 2019; 8:cells8080797. [PMID: 31366165 PMCID: PMC6721497 DOI: 10.3390/cells8080797] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 07/26/2019] [Accepted: 07/29/2019] [Indexed: 12/28/2022] Open
Abstract
An increased expression and cytoplasmic abundance of the ubiquitous RNA binding protein human antigen R (HuR) is critically implicated in the dysregulated control of post- transcriptional gene expression during colorectal cancer development and is frequently associated with a high grade of malignancy and therapy resistance. Regardless of the fact that HuR elicits a broad cell survival program by increasing the stability of mRNAs coding for prominent anti-apoptotic factors, recent data suggest that HuR is critically involved in the regulation of translation, particularly, in the internal ribosome entry site (IRES) controlled translation of cell death regulatory proteins. Accordingly, data from human colon carcinoma cells revealed that HuR maintains constitutively reduced protein and activity levels of caspase-2 through negative interference with IRES-mediated translation. This review covers recent advances in the understanding of mechanisms underlying HuR's modulatory activity on IRES-triggered translation. With respect to the unique regulatory features of caspase-2 and its multiple roles (e.g., in DNA-damage-induced apoptosis, cell cycle regulation and maintenance of genomic stability), the pathophysiological consequences of negative caspase-2 regulation by HuR and its impact on therapy resistance of colorectal cancers will be discussed in detail. The negative HuR-caspase-2 axis may offer a novel target for tumor sensitizing therapies.
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191
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Patel P, Sun L, Robbins Y, Clavijo PE, Friedman J, Silvin C, Van Waes C, Cook J, Mitchell J, Allen C. Enhancing direct cytotoxicity and response to immune checkpoint blockade following ionizing radiation with Wee1 kinase inhibition. Oncoimmunology 2019; 8:e1638207. [PMID: 31646086 DOI: 10.1080/2162402x.2019.1638207] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 06/24/2019] [Accepted: 06/25/2019] [Indexed: 12/31/2022] Open
Abstract
Tumor cells activate the G2/M cell cycle checkpoint in response to ionizing radiation (IR) and effector immune cell-derived granzyme B to facilitate repair and survival. Wee1 kinase inhibition reverses the ability of tumor cells to pause at G2/M. Here, we hypothesized that AZD1775, a small molecule inhibitor of Wee1 kinase, could sensitize tumor cells to IR and T-lymphocyte killing and improve responses to combination IR and programmed death (PD)-axis immune checkpoint blockade (ICB). Multiple models of head and neck carcinoma, lung carcinoma and melanoma were used in vitro and in vivo to explore this hypothesis. AZD1775 reversed G2/M cell cycle checkpoint activation following IR, inducing cell death. Combination IR and AZD1775 induced accumulation of DNA damage in M-phase cells and was rescued with nucleoside supplementation, indicating mitotic catastrophe. Combination treatment enhanced control of syngeneic MOC1 tumors in vivo, and on-target effects of systemic AZD1775 could be localized with targeted IR. Combination treatment enhanced granzyme B-dependent T-lymphocyte killing through reversal of additive G2/M cell cycle block induced by IR and granzyme B. Combination IR and AZ1775-enhanced CD8+ cell-dependent MOC1 tumor growth control and rate of complete rejection of established tumors in the setting of PD-axis ICB. Functional assays demonstrated increased tumor antigen-specific immune responses in sorted T-lymphocytes. The combination of IR and AZD1775 not only lead to enhanced tumor-specific cytotoxicity, it also enhanced susceptibility to T-lymphocyte killing and responses to PD-axis ICB. These data provide the pre-clinical rationale for the combination of these therapies in the clinical trial setting.
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Affiliation(s)
- Priya Patel
- Translational Tumor Immunology Program, National Institute on Deafness and other Communication Disorders, National Institutes of Health, Bethesda, MD, USA
| | - Lily Sun
- Translational Tumor Immunology Program, National Institute on Deafness and other Communication Disorders, National Institutes of Health, Bethesda, MD, USA
| | - Yvette Robbins
- Translational Tumor Immunology Program, National Institute on Deafness and other Communication Disorders, National Institutes of Health, Bethesda, MD, USA
| | - Paul E Clavijo
- Translational Tumor Immunology Program, National Institute on Deafness and other Communication Disorders, National Institutes of Health, Bethesda, MD, USA
| | - Jay Friedman
- Translational Tumor Immunology Program, National Institute on Deafness and other Communication Disorders, National Institutes of Health, Bethesda, MD, USA
| | - Christopher Silvin
- Tumor Biology Section, National Institute on Deafness and other Communication Disorders, National Institutes of Health, Bethesda, MD, USA
| | - Carter Van Waes
- Tumor Biology Section, National Institute on Deafness and other Communication Disorders, National Institutes of Health, Bethesda, MD, USA
| | - John Cook
- Radiation Biology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - James Mitchell
- Radiation Biology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Clint Allen
- Translational Tumor Immunology Program, National Institute on Deafness and other Communication Disorders, National Institutes of Health, Bethesda, MD, USA.,Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins School of Medicine, Baltimore, MD, USA
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Tong L, Song P, Jiang K, Xu L, Jin T, Wang P, Hu X, Fang S, Gao A, Zhou Y, Liu T, Li J, Hu Y. Discovery of (R)-5-((5-(1-methyl-1H-pyrazol-4-yl)-4-(methylamino)pyrimidin-2-yl)amino)-3-(piperidin-3-yloxy)picolinonitrile, a novel CHK1 inhibitor for hematologic malignancies. Eur J Med Chem 2019; 173:44-62. [DOI: 10.1016/j.ejmech.2019.03.062] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 03/29/2019] [Accepted: 03/30/2019] [Indexed: 11/17/2022]
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Buttarelli M, Babini G, Raspaglio G, Filippetti F, Battaglia A, Ciucci A, Ferrandina G, Petrillo M, Marino C, Mancuso M, Saran A, Villani ME, Desiderio A, D’Ambrosio C, Scaloni A, Scambia G, Gallo D. A combined ANXA2-NDRG1-STAT1 gene signature predicts response to chemoradiotherapy in cervical cancer. J Exp Clin Cancer Res 2019; 38:279. [PMID: 31242951 PMCID: PMC6595690 DOI: 10.1186/s13046-019-1268-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 06/04/2019] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND A better understanding of locally advanced cervical cancer (LACC) is mandatory for further improving the rates of disease control, since a significant proportion of patients still fail to respond or undergo relapse after concurrent chemoradiation treatment (CRT), and survival for these patients has generally remained poor. METHODS To identify specific markers of CRT response, we compared pretreatment biopsies from LACC patients with pathological complete response (sensitive) with those from patients showing macroscopic residual tumor (resistant) after neoadjuvant CRT, using a proteomic approach integrated with gene expression profiling. The study of the underpinning mechanisms of chemoradiation response was carried out through in vitro models of cervical cancer. RESULTS We identified annexin A2 (ANXA2), N-myc downstream regulated gene 1 (NDRG1) and signal transducer and activator of transcription 1 (STAT1) as biomarkers of LACC patients' responsiveness to CRT. The dataset collected through qPCR on these genes was used as training dataset to implement a Random Forest algorithm able to predict the response of new patients to this treatment. Mechanistic investigations demonstrated the key role of the identified genes in the balance between death and survival of tumor cells. CONCLUSIONS Our results define a predictive gene signature that can help in cervical cancer patient stratification, thus providing a useful tool towards more personalized treatment modalities.
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Affiliation(s)
- Marianna Buttarelli
- Unit of Translational Medicine for Woman and Child Health, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
- Istituto di Clinica Ostetrica e Ginecologica, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Gabriele Babini
- Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - Giuseppina Raspaglio
- Unit of Translational Medicine for Woman and Child Health, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
- Istituto di Clinica Ostetrica e Ginecologica, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Flavia Filippetti
- Unit of Translational Medicine for Woman and Child Health, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
- Istituto di Clinica Ostetrica e Ginecologica, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Alessandra Battaglia
- Istituto di Clinica Ostetrica e Ginecologica, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Alessandra Ciucci
- Unit of Translational Medicine for Woman and Child Health, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
- Istituto di Clinica Ostetrica e Ginecologica, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Gabriella Ferrandina
- Istituto di Clinica Ostetrica e Ginecologica, Università Cattolica del Sacro Cuore, Rome, Italy
- Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - Marco Petrillo
- Istituto di Clinica Ostetrica e Ginecologica, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Carmela Marino
- Division of Health Protection Technology, Department for Sustainability, National Agency for Energy, New Technologies and Sustainable Economic Development (ENEA), Rome, Italy
| | - Mariateresa Mancuso
- Division of Health Protection Technology, Department for Sustainability, National Agency for Energy, New Technologies and Sustainable Economic Development (ENEA), Rome, Italy
| | - Anna Saran
- Division of Health Protection Technology, Department for Sustainability, National Agency for Energy, New Technologies and Sustainable Economic Development (ENEA), Rome, Italy
| | - Maria Elena Villani
- Division of Biotechnologies and Agroindustry, Department for Sustainability, National Agency for Energy, New Technologies and Sustainable Economic Development (ENEA), Rome, Italy
| | - Angiola Desiderio
- Division of Biotechnologies and Agroindustry, Department for Sustainability, National Agency for Energy, New Technologies and Sustainable Economic Development (ENEA), Rome, Italy
| | - Chiara D’Ambrosio
- Proteomics and Mass Spectrometry Laboratory, ISPAAM-National Research Council, Naples, Italy
| | - Andrea Scaloni
- Proteomics and Mass Spectrometry Laboratory, ISPAAM-National Research Council, Naples, Italy
| | - Giovanni Scambia
- Istituto di Clinica Ostetrica e Ginecologica, Università Cattolica del Sacro Cuore, Rome, Italy
- Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - Daniela Gallo
- Unit of Translational Medicine for Woman and Child Health, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
- Istituto di Clinica Ostetrica e Ginecologica, Università Cattolica del Sacro Cuore, Rome, Italy
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Fang Y, McGrail DJ, Sun C, Labrie M, Chen X, Zhang D, Ju Z, Vellano CP, Lu Y, Li Y, Jeong KJ, Ding Z, Liang J, Wang SW, Dai H, Lee S, Sahni N, Mercado-Uribe I, Kim TB, Chen K, Lin SY, Peng G, Westin SN, Liu J, O'Connor MJ, Yap TA, Mills GB. Sequential Therapy with PARP and WEE1 Inhibitors Minimizes Toxicity while Maintaining Efficacy. Cancer Cell 2019; 35:851-867.e7. [PMID: 31185210 PMCID: PMC6642675 DOI: 10.1016/j.ccell.2019.05.001] [Citation(s) in RCA: 138] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 01/27/2019] [Accepted: 05/03/2019] [Indexed: 12/30/2022]
Abstract
We demonstrate that concurrent administration of poly(ADP-ribose) polymerase (PARP) and WEE1 inhibitors is effective in inhibiting tumor growth but poorly tolerated. Concurrent treatment with PARP and WEE1 inhibitors induces replication stress, DNA damage, and abrogates the G2 DNA damage checkpoint in both normal and malignant cells. Following cessation of monotherapy with PARP or WEE1 inhibitors, effects of these inhibitors persist suggesting that sequential administration of PARP and WEE1 inhibitors could maintain efficacy while ameliorating toxicity. Strikingly, while sequential administration mirrored concurrent therapy in cancer cells that have high basal replication stress, low basal replication stress in normal cells protected them from DNA damage and toxicity, thus improving tolerability while preserving efficacy in ovarian cancer xenograft and patient-derived xenograft models.
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Affiliation(s)
- Yong Fang
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Department of Cell, Development and Cancer Biology, Oregon Health and Sciences University, Portland, OR 97201, USA; Knight Cancer Institute, Portland, OR 97201, USA; Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Daniel J McGrail
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Chaoyang Sun
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Marilyne Labrie
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Department of Cell, Development and Cancer Biology, Oregon Health and Sciences University, Portland, OR 97201, USA; Knight Cancer Institute, Portland, OR 97201, USA
| | - Xiaohua Chen
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Dong Zhang
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Department of Cell, Development and Cancer Biology, Oregon Health and Sciences University, Portland, OR 97201, USA; Knight Cancer Institute, Portland, OR 97201, USA
| | - Zhenlin Ju
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Christopher P Vellano
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Yiling Lu
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Yongsheng Li
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Kang Jin Jeong
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Department of Cell, Development and Cancer Biology, Oregon Health and Sciences University, Portland, OR 97201, USA; Knight Cancer Institute, Portland, OR 97201, USA
| | - Zhiyong Ding
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Jiyong Liang
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Steven W Wang
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Hui Dai
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Sanghoon Lee
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Nidhi Sahni
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Department of Epigenetics and Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, 1808 Park Road 1C, Smithville, TX 78957, USA
| | - Imelda Mercado-Uribe
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Tae-Beom Kim
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Ken Chen
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Shiaw-Yih Lin
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Guang Peng
- Department of Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Shannon N Westin
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Jinsong Liu
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Mark J O'Connor
- Oncology, Innovative Medicines and Early Clinical Development, AstraZeneca, Cambridge CB4 0WG, UK
| | - Timothy A Yap
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Gordon B Mills
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Department of Cell, Development and Cancer Biology, Oregon Health and Sciences University, Portland, OR 97201, USA; Knight Cancer Institute, Portland, OR 97201, USA
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195
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Lee YK, Lee KW, Kim M, Lee Y, Yoo J, Hwangbo C, Park KH, Kim KD. Chelidonine Induces Caspase-Dependent and Caspase-Independent Cell Death through G 2/M Arrest in the T98G Human Glioblastoma Cell Line. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2019; 2019:6318179. [PMID: 31239863 PMCID: PMC6556348 DOI: 10.1155/2019/6318179] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Accepted: 05/07/2019] [Indexed: 11/18/2022]
Abstract
Chelidonium majus L. (family Papaveraceae), commonly known as greater celandine or tetterwort, has been reported to have antibacterial and anticancer effects and chelidonine is known as a functional metabolite extracted from C.
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Affiliation(s)
- Yeon-Kyeong Lee
- Division of Applied Life Science (BK21Plus), Gyeongsang National University, Jinju 660-701, Republic of Korea
| | - Ki Won Lee
- Division of Applied Life Science (BK21Plus), Gyeongsang National University, Jinju 660-701, Republic of Korea
| | - Minju Kim
- Division of Applied Life Science (BK21Plus), Gyeongsang National University, Jinju 660-701, Republic of Korea
| | - Yerin Lee
- Division of Applied Life Science (BK21Plus), Gyeongsang National University, Jinju 660-701, Republic of Korea
| | - Jiyun Yoo
- Division of Applied Life Science (BK21Plus), Gyeongsang National University, Jinju 660-701, Republic of Korea
- Division of Life Science, Gyeongsang National University, Jinju 660-701, Republic of Korea
| | - Cheol Hwangbo
- Division of Life Science, Gyeongsang National University, Jinju 660-701, Republic of Korea
| | - Ki Hun Park
- Division of Applied Life Science (BK21Plus), Gyeongsang National University, Jinju 660-701, Republic of Korea
| | - Kwang Dong Kim
- Division of Applied Life Science (BK21Plus), Gyeongsang National University, Jinju 660-701, Republic of Korea
- Division of Life Science, Gyeongsang National University, Jinju 660-701, Republic of Korea
- PMBBRC, Gyeongsang National University, Jinju 660-701, Republic of Korea
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196
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Novel Thienopyrimidine Derivative, RP-010, Induces β-Catenin Fragmentation and Is Efficacious against Prostate Cancer Cells. Cancers (Basel) 2019; 11:cancers11050711. [PMID: 31126091 PMCID: PMC6563099 DOI: 10.3390/cancers11050711] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 05/15/2019] [Accepted: 05/16/2019] [Indexed: 12/31/2022] Open
Abstract
Thienopyrimidines containing a thiophene ring fused to pyrimidine are reported to have a wide-spectrum of anticancer efficacy in vitro. Here, we report for the first time that thieno[3,2-d]pyrimidine-based compounds, also known as the RP series, have efficacy in prostate cancer cells. The compound RP-010 was efficacious against both PC-3 and DU145 prostate cancer (PC) cells (IC50 < 1 µM). The cytotoxicity of RP-010 was significantly lower in non-PC, CHO, and CRL-1459 cell lines. RP-010 (0.5, 1, 2, and 4 µM) arrested prostate cancer cells in G2 phase of the cell cycle, and induced mitotic catastrophe and apoptosis in both PC cell lines. Mechanistic studies suggested that RP-010 (1 and 2 µM) affected the wingless-type MMTV (Wnt)/β-catenin signaling pathway, in association with β-catenin fragmentation, while also downregulating important proteins in the pathway, including LRP-6, DVL3, and c-Myc. Interestingly, RP-010 (1 and 2 µM) induced nuclear translocation of the negative feedback proteins, Naked 1 and Naked 2, in the Wnt pathway. In addition, RP-010 (0.5, 1, 2 and 4 µM) significantly decreased the migration of PC cells in vitro. Finally, RP-010 did not produce significant toxic effects in zebrafish at concentrations of up to 6 µM. In conclusion, RP-010 may be an efficacious and relatively nontoxic anticancer compound for prostate cancer. Future mechanistic and in vivo efficacy studies are needed to optimize the hit compound RP-010 for lead optimization and clinical use.
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197
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Gritsina G, Gao WQ, Yu J. Transcriptional repression by androgen receptor: roles in castration-resistant prostate cancer. Asian J Androl 2019; 21:215-223. [PMID: 30950412 PMCID: PMC6498738 DOI: 10.4103/aja.aja_19_19] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 01/12/2019] [Indexed: 01/02/2023] Open
Abstract
Androgen receptor (AR), a hormonal transcription factor, plays important roles during prostate cancer progression and is a key target for therapeutic interventions. While androgen-deprivation therapies are initially successful in regressing prostate tumors, the disease ultimately comes back as castration-resistant prostate cancer (CRPC) or at the late stage as neuroendocrine prostate cancer (NEPC). CRPC remains largely dependent on hyperactive AR signaling in the milieu of low androgen, while NEPC is negative of AR expression but positive of many AR-repressed genes. Recent technological advances in genome-wide analysis of transcription factor binding sites have revealed an unprecedented set of AR target genes. In addition to its well-known function in activating gene expression, AR is increasingly known to also act as a transcriptional repressor. Here, we review the molecular mechanisms by which AR represses gene expression. We also summarize AR-repressed genes that are aberrantly upregulated in CRPC and NEPC and represent promising targets for therapeutic intervention.
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Affiliation(s)
- Galina Gritsina
- Division of Hematology/Oncology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Wei-Qiang Gao
- Med-X Research Institute and School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200030, China
| | - Jindan Yu
- Division of Hematology/Oncology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
- Department of Biochemistry and Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL 60611, USA
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198
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Paquot H, Daouk J, Chateau A, Rétif P, Barberi-Heyob M, Pinela S. Radiation-Induced Mitotic Catastrophe Enhanced by Gold Nanoparticles: Assessment with a Specific Automated Image Processing Workflow. Radiat Res 2019; 192:13-22. [PMID: 31021734 DOI: 10.1667/rr14962.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
In recent years, the use of gold-based nanoparticles in radiotherapy has been extensively studied, and the associated radiosensitization mechanism has been evaluated in a variety of in vitro studies. Given that mitotic catastrophe is widely involved in radiation-induced cell death, we evaluated the effect of gold nanoparticles on this key event. Most of the methods currently used to visualize and quantify morphological changes and multinucleation are manual. To circumvent this time-consuming step, we developed and optimized an image processing workflow (based on freely accessible software and plugins) for the automated quantification of mitotic catastrophes. We validated this approach in three cell lines by comparing the number of radiation-induced mitotic catastrophes detected using the automated and manual methods in the presence and absence of nanoparticles. With the Bland-Altman analysis, the automated and manual counting methods were found to be fully interchangeable. The ultimate goal of this work was to determine whether mitotic catastrophe was critically involved in radiationinduced cell death after prior exposure to gold nanoparticles. In the radioresistant U87 cell line, exposure to gold nanoparticles was associated with a shorter time course for the events related to mitotic catastrophe, which peaked at 96 h postirradiation. Mitotic catastrophe was dose-dependent in both the presence and absence of gold nanoparticles. These results demonstrate that cell exposure to gold nanoparticles led to an increase in mitotic catastrophe events, and confirm the marked radiosensitizing effect observed in clonogenic assays.
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Affiliation(s)
- Héna Paquot
- a Université de Lorraine, CNRS, CRAN, F-54000 Nancy, France
| | - Joël Daouk
- a Université de Lorraine, CNRS, CRAN, F-54000 Nancy, France
| | - Alicia Chateau
- a Université de Lorraine, CNRS, CRAN, F-54000 Nancy, France
| | - Paul Rétif
- a Université de Lorraine, CNRS, CRAN, F-54000 Nancy, France.,b CHR Metz-Thionville, F-57000 Metz, France
| | | | - Sophie Pinela
- a Université de Lorraine, CNRS, CRAN, F-54000 Nancy, France
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199
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Wang S, Malebari AM, Greene TF, O'Boyle NM, Fayne D, Nathwani SM, Twamley B, McCabe T, Keely NO, Zisterer DM, Meegan MJ. 3-Vinylazetidin-2-Ones: Synthesis, Antiproliferative and Tubulin Destabilizing Activity in MCF-7 and MDA-MB-231 Breast Cancer Cells. Pharmaceuticals (Basel) 2019; 12:ph12020056. [PMID: 30979033 PMCID: PMC6630832 DOI: 10.3390/ph12020056] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 04/02/2019] [Accepted: 04/07/2019] [Indexed: 12/18/2022] Open
Abstract
Microtubule-targeted drugs are essential chemotherapeutic agents for various types of cancer. A series of 3-vinyl-β-lactams (2-azetidinones) were designed, synthesized and evaluated as potential tubulin polymerization inhibitors, and for their antiproliferative effects in breast cancer cells. These compounds showed potent activity in MCF-7 breast cancer cells with an IC50 value of 8 nM for compound 7s 4-[3-Hydroxy-4-methoxyphenyl]-1-(3,4,5-trimethoxyphenyl)-3-vinylazetidin-2-one) which was comparable to the activity of Combretastatin A-4. Compound 7s had minimal cytotoxicity against both non-tumorigenic HEK-293T cells and murine mammary epithelial cells. The compounds inhibited the polymerisation of tubulin in vitro with an 8.7-fold reduction in tubulin polymerization at 10 μM for compound 7s and were shown to interact at the colchicine-binding site on tubulin, resulting in significant G2/M phase cell cycle arrest. Immunofluorescence staining of MCF-7 cells confirmed that β-lactam 7s is targeting tubulin and resulted in mitotic catastrophe. A docking simulation indicated potential binding conformations for the 3-vinyl-β-lactam 7s in the colchicine domain of tubulin. These compounds are promising candidates for development as antiproiferative microtubule-disrupting agents.
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Affiliation(s)
- Shu Wang
- School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, Trinity Biomedical Sciences Institute, 152-160 Pearse Street, 2 DO2R590 Dublin, Ireland.
| | - Azizah M Malebari
- School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, Trinity Biomedical Sciences Institute, 152-160 Pearse Street, 2 DO2R590 Dublin, Ireland.
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Thomas F Greene
- School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, Trinity Biomedical Sciences Institute, 152-160 Pearse Street, 2 DO2R590 Dublin, Ireland.
| | - Niamh M O'Boyle
- School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, Trinity Biomedical Sciences Institute, 152-160 Pearse Street, 2 DO2R590 Dublin, Ireland.
| | - Darren Fayne
- School of Biochemistry and Immunology, Trinity College Dublin, Trinity Biomedical Sciences Institute, 152-160 Pearse Street, 2 DO2R590 Dublin, Ireland.
| | - Seema M Nathwani
- School of Biochemistry and Immunology, Trinity College Dublin, Trinity Biomedical Sciences Institute, 152-160 Pearse Street, 2 DO2R590 Dublin, Ireland.
| | - Brendan Twamley
- School of Chemistry, Trinity College Dublin, 2 DO2R590 Dublin, Ireland.
| | - Thomas McCabe
- School of Chemistry, Trinity College Dublin, 2 DO2R590 Dublin, Ireland.
| | - Niall O Keely
- School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, Trinity Biomedical Sciences Institute, 152-160 Pearse Street, 2 DO2R590 Dublin, Ireland.
| | - Daniela M Zisterer
- School of Biochemistry and Immunology, Trinity College Dublin, Trinity Biomedical Sciences Institute, 152-160 Pearse Street, 2 DO2R590 Dublin, Ireland.
| | - Mary J Meegan
- School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, Trinity Biomedical Sciences Institute, 152-160 Pearse Street, 2 DO2R590 Dublin, Ireland.
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Warren NJH, Donahue KL, Eastman A. Differential Sensitivity to CDK2 Inhibition Discriminates the Molecular Mechanisms of CHK1 Inhibitors as Monotherapy or in Combination with the Topoisomerase I Inhibitor SN38. ACS Pharmacol Transl Sci 2019; 2:168-182. [PMID: 32259055 DOI: 10.1021/acsptsci.9b00001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Indexed: 02/06/2023]
Abstract
DNA damage activates checkpoints to arrest cell cycle progression in S and G2 phases, thereby providing time for repair and recovery. The combination of DNA-damaging agents and inhibitors of CHK1 (CHK1i) is an emerging strategy for sensitizing cancer cells. CHK1i induce replication on damaged DNA and mitosis before repair is complete, and this occurs in a majority of cell lines. However, ∼15% of cancer cell lines are hypersensitive to single-agent CHK1i. As both abrogation of S phase arrest and single-agent activity depend on CDK2, this study resolved how activation of CDK2 can be essential for both replication and cytotoxicity. S phase arrest was induced with the topoisomerase I inhibitor SN38; the addition of CHK1i rapidly activated CDK2, inducing S phase progression that was inhibited by the CDK2 inhibitor CVT-313. In contrast, DNA damage and cytotoxicity induced by single-agent CHK1i in hypersensitive cell lines were also inhibited by CVT-313 but at 20-fold lower concentrations. The differential sensitivity to CVT-313 is explained by different activity thresholds required for phosphorylation of CDK2 substrates. While the critical CDK2 substrates are not yet defined, we conclude that hypersensitivity to single-agent CHK1i depends on phosphorylation of substrates that require high CDK2 activity levels. Surprisingly, CHK1i did not increase SN38-mediated cytotoxicity. In contrast, while inhibition of WEE1 also abrogated S phase arrest, it more directly activated CDK1, induced premature mitosis, and enhanced cytotoxicity. Hence, while high activity of CDK2 is critical for cytotoxicity of single-agent CHK1i, CDK1 is additionally required for sensitivity to the drug combination.
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Affiliation(s)
- Nicholas J H Warren
- Geisel School of Medicine at Dartmouth and Norris Cotton Cancer Center, One Medical Center Drive, Lebanon, New Hampshire 03756, United States
| | - Katelyn L Donahue
- Geisel School of Medicine at Dartmouth and Norris Cotton Cancer Center, One Medical Center Drive, Lebanon, New Hampshire 03756, United States
| | - Alan Eastman
- Geisel School of Medicine at Dartmouth and Norris Cotton Cancer Center, One Medical Center Drive, Lebanon, New Hampshire 03756, United States
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