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Troisi R, Tito G, Ferraro G, Sica F, Massai L, Geri A, Cirri D, Messori L, Merlino A. On the mechanism of action of arsenoplatins: arsenoplatin-1 binding to a B-DNA dodecamer. Dalton Trans 2024; 53:3476-3483. [PMID: 38270175 DOI: 10.1039/d3dt04302a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
The reaction of Pt-based anticancer agents with arsenic trioxide affords robust complexes known as arsenoplatins. The prototype of this family of anticancer compounds is arsenoplatin-1 (AP-1) that contains an As(OH)2 fragment linked to a Pt(II) moiety derived from cisplatin. Crystallographic and spectrometric studies of AP-1 binding to a B-DNA double helix dodecamer are presented here, in comparison with cisplatin and transplatin. Results reveal that AP-1, cisplatin and transplatin react differently with the DNA model system. Notably, in the AP-1/DNA systems, the Pt-As bond can break down with time and As-containing fragments can be released. These results have implications for the understanding of the mechanism of action of arsenoplatins.
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Affiliation(s)
- Romualdo Troisi
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte Sant'Angelo, via Cintia, 80126, Naples, Italy.
- Institute of Biostructures and Bioimaging, CNR, via Pietro Castellino 111, 80131 Naples, Italy
| | - Gabriella Tito
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte Sant'Angelo, via Cintia, 80126, Naples, Italy.
| | - Giarita Ferraro
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte Sant'Angelo, via Cintia, 80126, Naples, Italy.
| | - Filomena Sica
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte Sant'Angelo, via Cintia, 80126, Naples, Italy.
| | - Lara Massai
- Department of Chemistry "U. Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
| | - Andrea Geri
- Department of Chemistry "U. Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
| | - Damiano Cirri
- Department of Chemistry and Industrial Chemistry (DCCI), University of Pisa, Via Giuseppe Moruzzi 13, 56124 Pisa, Italy
| | - Luigi Messori
- Department of Chemistry "U. Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
| | - Antonello Merlino
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte Sant'Angelo, via Cintia, 80126, Naples, Italy.
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Ananta, Benerjee S, Tchounwou PB, Kumar S. Mechanistic update of Trisenox in blood cancer. CURRENT RESEARCH IN PHARMACOLOGY AND DRUG DISCOVERY 2023; 5:100166. [PMID: 38074774 PMCID: PMC10701371 DOI: 10.1016/j.crphar.2023.100166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 10/28/2023] [Accepted: 11/14/2023] [Indexed: 02/12/2024] Open
Abstract
Acute promyelocytic leukemia (APL)/blood cancer is M3 type of acute myeloid leukemia (AML) formed inside bone marrow through chromosomal translocation mutation usually between chromosome 15 & 17. It accounts around 10% cases of AML worldwide. Trisenox (TX/ATO) is used in chemotherapy for treatment of all age group of APL patients with highest efficacy and survival rate for longer period. High concentration of TX inhibits growth of APL cells by diverse mechanism however, it cures only PML-RARα fusion gene/oncogene containing APL patients. TX resistant APL patients (different oncogenic make up) have been reported from worldwide. This review summarizes updated mechanism of TX action via PML nuclear bodies formation, proteasomal degradation, autophagy, p53 activation, telomerase activity, heteromerization of pRb & E2F, and regulation of signaling mechanism in APL cells. We have also provided important information of combination therapy of TX with other molecules mechanism of action in acute leukemia cells. It provides updated information of TX action for researcher which may help finding new target for further research in APL pathophysiology or new TX resistant APL patients drug designing.
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Affiliation(s)
- Ananta
- Department of Life Sciences, School of Earth, Biological, and Environmental Sciences, Central University of South Bihar, Gaya, India
| | - Swati Benerjee
- Department of Life Sciences, School of Earth, Biological, and Environmental Sciences, Central University of South Bihar, Gaya, India
| | - Paul B. Tchounwou
- RCMI Center for Urban Health Disparities Research and Innovation, Morgan State University, Baltimore, MD 21251, USA
| | - Sanjay Kumar
- Department of Life Sciences, School of Earth, Biological, and Environmental Sciences, Central University of South Bihar, Gaya, India
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Hsieh CY, Lin CC, Huang YW, Chen JH, Tsou YA, Chang LC, Fan CC, Lin CY, Chang WC. Macrophage secretory IL-1β promotes docetaxel resistance in head and neck squamous carcinoma via SOD2/CAT-ICAM1 signaling. JCI Insight 2022; 7:157285. [PMID: 36264639 PMCID: PMC9746909 DOI: 10.1172/jci.insight.157285] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 10/18/2022] [Indexed: 01/12/2023] Open
Abstract
Docetaxel (DTX) combined with cisplatin and 5-fluorouracil has been used as induction chemotherapy for head and neck squamous cell carcinoma (HNSCC). However, the development of acquired resistance remains a major obstacle to treatment response. Tumor-associated macrophages are associated with chemotherapeutic resistance. In the present study, increased infiltration of macrophages into the tumor microenvironment (TME) was significantly associated with shorter overall survival and increased resistance to chemotherapeutic drugs, particularly DTX, in patients with HNSCC. Macrophage coculture induced expression of intercellular adhesion molecule 1 (ICAM1), which promotes stemness and the formation of polyploid giant cancer cells, thereby reducing the efficacy of DTX. Both genetic silencing and pharmacological inhibition of ICAM1 sensitized HNSCC to DTX. Macrophage secretion of IL-1β was found to induce tumor expression of ICAM1. IL-1β neutralization and IL-1 receptor blockade reversed DTX resistance induced by macrophage coculture. IL-1β activated superoxide dismutase 2 and inhibited catalase, thereby modulating intracellular levels of ROS and inducing ICAM1 expression. Arsenic trioxide (ATO) reduced macrophage infiltration into the TME and impaired IL-1β secretion by macrophages. The combinatorial use of ATO enhanced the in vivo efficacy of DTX in a mouse model, which may provide a revolutionary approach to overcoming acquired therapeutic resistance in HNSCC.
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Affiliation(s)
- Ching-Yun Hsieh
- Division of Hematology and Oncology, Department of Internal Medicine, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Ching-Chan Lin
- Division of Hematology and Oncology, Department of Internal Medicine, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Yu-Wen Huang
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Jong-Hang Chen
- Division of Hematology and Oncology, Department of Internal Medicine, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Yung-An Tsou
- Department of Otolaryngology-Head and Neck Surgery and
| | - Ling-Chu Chang
- Center for Molecular Medicine, China Medical University Hospital, China Medical University, Taichung, Taiwan.,Chinese Medicinal Research and Development Center, China Medical University Hospital, and,Department of Biological Science and Technology, China Medical University, Taichung, Taiwan
| | - Chi-Chen Fan
- Department of Research and Development, Marker Exploration Corporation, Taipei, Taiwan.,Department of Medical Laboratory Science and Biotechnology, Yuanpei University of Medical Technology, Hsinchu, Taiwan
| | - Chen-Yuan Lin
- Division of Hematology and Oncology, Department of Internal Medicine, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Wei-Chao Chang
- Center for Molecular Medicine, China Medical University Hospital, China Medical University, Taichung, Taiwan
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4
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Application of Arsenic Trioxide-Based Combined Sequential Chemotherapy in Recurrent Resistant and Refractory Ovarian Cancers: A Single-Center, Open Phase II Clinical Study. JOURNAL OF ONCOLOGY 2022; 2022:6243165. [PMID: 36090905 PMCID: PMC9452931 DOI: 10.1155/2022/6243165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/16/2022] [Accepted: 07/26/2022] [Indexed: 11/22/2022]
Abstract
Objective Arsenic trioxide (ATO) has been effectively used for the treatment of hematological malignancies and some solid tumors, while ATO effects were not tested clinically in epithelial ovarian cancer (EOC). Methods Patients with primary or secondary platinum-resistant EOC were enrolled from October 2015 to December 2019. Patients were mainly treated with ATO-based combined sequential chemotherapy as follows: Regimen 1 (ATO combined taxanes weekly therapy); Regimen 2 (ATO + taxanes + 5-fluorouracil + adriamycin ± bevacizumab sequential chemotherapy), for 5 patients platinum-free interval >12 months, added oxaliplatin). Prespecified end points in this cohort included confirmed best overall response rate (ORR), disease control rate (DCR), progression-free survival (PFS), overall survival (OS), and safety. Results A total of 33 patients were enrolled in this study. After a median follow-up time of 22.1 months (range 5.5–42.9 months), ORR was 42% and DCR was 85%. The overall PFS was 9.5 months (range 1–38.4 months). The main side effect was myelosuppression. Conclusions ATO-based sequential combined chemotherapy is effective for primary and recurrent drug-resistant EOC patients in clinical phase II trials. The associated side effects could be controlled, while further study is needed.
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5
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Kumar S, Tchounwou PB. p53 as a unique target of action of cisplatin in acute leukaemia cells. J Cell Mol Med 2022; 26:4727-4739. [PMID: 35946055 PMCID: PMC9443951 DOI: 10.1111/jcmm.17502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 06/18/2022] [Accepted: 06/26/2022] [Indexed: 12/03/2022] Open
Abstract
Acute promyelocytic leukaemia (APL) occurs in approximately 10% of acute myeloid leukaemia patients. Arsenic trioxide (ATO) has been for APL chemotherapy, but recently several ATO‐resistant cases have been reported worldwide. Cisplatin (CDDP) enhances the toxicity of ATO in ovarian, lung cancer, chronic myelogenous leukaemia, and HL‐60 cells. Hence, the goal of this study was to investigate a novel target of CDDP action in APL cells, as an alternate option for the treatment of ATO‐resistant APL patients. We applied biochemical, molecular, confocal microscopy and advanced gene editing (CRISPR‐Cas9) techniques to elucidate the novel target of CDDP action and its functional mechanism in APL cells. Our main findings revealed that CDDP activated p53 in APL cells through stress signals catalysed by ATM and ATR protein kinases, CHK1 and CHK2 phosphorylation at Ser 345 and Thr68 residues, and downregulation and dissociation of MDM2‐DAXX‐HAUSP complex. Our functional studies confirmed that CDDP‐induced repression of MDM2‐DAXX‐HAUSP complex was significantly reversed in both nutilin‐3‐treated KG1a and p53‐knockdown NB4 cells. Our findings also showed that CDDP stimulated an increased number of promyelocytes with dense granules, activated p53 expression, and downregulated MDM2 in liver and bone marrow of APL mice. Principal conclusion of our study highlights a novel mode of action of CDDP targeting p53 expression which may provide a basis for designing new anti‐leukaemic compounds for treatment of APL patients.
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Affiliation(s)
- Sanjay Kumar
- Cellomics and Toxicogenomics Research Laboratory, NIH/NIMHD-RCMI Center for Health Disparities Research, Jackson State University, Jackson, Mississippi, USA.,Department of life Sciences, School of Earth, Biological, and Environmental Sciences, Central University South Bihar, Gaya, India
| | - Paul B Tchounwou
- Cellomics and Toxicogenomics Research Laboratory, NIH/NIMHD-RCMI Center for Health Disparities Research, Jackson State University, Jackson, Mississippi, USA
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Agrawal Y, Nadkarni K, Gupta NA, Manne RK, Santra MK. F-box protein FBXO41 plays vital role in arsenic trioxide-mediated autophagic death of cancer cells. Toxicol Appl Pharmacol 2022; 441:115973. [PMID: 35278439 DOI: 10.1016/j.taap.2022.115973] [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: 11/09/2021] [Revised: 03/03/2022] [Accepted: 03/04/2022] [Indexed: 11/29/2022]
Abstract
Arsenic trioxide (ATO), a potent anti-neoplastic drug, is known to prevent cancer cell growth through induction of autophagic cell death. However, importance of cellular factors in ATO-mediated autophagic cell death is poorly understood. In this study, using biochemical and immunofluorescence techniques, we show that F-box protein FBXO41 plays a critical role in anti-proliferative activity of ATO. Our study reveals the importance of FBXO41 in induction of autophagic death of cancer cells by ATO. Further, we show that the autophagic cell death induced by FBXO41 is distinct and independent of apoptosis and necrosis, showing that FBXO41 may play vital role in inducing autophagic death of apoptosis resistant cancer cells. Overall, our study elucidates the importance of FBXO41 in ATO induced autophagic cell death to prevent cancer progression, which could be explored to develop promising cancer therapeutic strategy.
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Affiliation(s)
- Yashika Agrawal
- Molecular Oncology Laboratory, National Centre for Cell Science, Ganeshkhind Road, Pune, Maharashtra 411007, India; Department of Biotechnology, S.P. Pune University, Ganeshkhind Road, Pune, Maharashtra 411007, India
| | - Kaustubh Nadkarni
- Molecular Oncology Laboratory, National Centre for Cell Science, Ganeshkhind Road, Pune, Maharashtra 411007, India; Department of Biotechnology, S.P. Pune University, Ganeshkhind Road, Pune, Maharashtra 411007, India
| | - Neha A Gupta
- Molecular Oncology Laboratory, National Centre for Cell Science, Ganeshkhind Road, Pune, Maharashtra 411007, India
| | - Rajesh Kumar Manne
- Molecular Oncology Laboratory, National Centre for Cell Science, Ganeshkhind Road, Pune, Maharashtra 411007, India
| | - Manas Kumar Santra
- Molecular Oncology Laboratory, National Centre for Cell Science, Ganeshkhind Road, Pune, Maharashtra 411007, India.
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Garrido MP, Fredes AN, Lobos-González L, Valenzuela-Valderrama M, Vera DB, Romero C. Current Treatments and New Possible Complementary Therapies for Epithelial Ovarian Cancer. Biomedicines 2021; 10:77. [PMID: 35052757 PMCID: PMC8772950 DOI: 10.3390/biomedicines10010077] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 12/07/2021] [Accepted: 12/13/2021] [Indexed: 12/17/2022] Open
Abstract
Epithelial ovarian cancer (EOC) is one of the deadliest gynaecological malignancies. The late diagnosis is frequent due to the absence of specific symptomatology and the molecular complexity of the disease, which includes a high angiogenesis potential. The first-line treatment is based on optimal debulking surgery following chemotherapy with platinum/gemcitabine and taxane compounds. During the last years, anti-angiogenic therapy and poly adenosine diphosphate-ribose polymerases (PARP)-inhibitors were introduced in therapeutic schemes. Several studies have shown that these drugs increase the progression-free survival and overall survival of patients with ovarian cancer, but the identification of patients who have the greatest benefits is still under investigation. In the present review, we discuss about the molecular characteristics of the disease, the recent evidence of approved treatments and the new possible complementary approaches, focusing on drug repurposing, non-coding RNAs, and nanomedicine as a new method for drug delivery.
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Affiliation(s)
- Maritza P. Garrido
- Laboratorio de Endocrinología y Biología de la Reproducción, Hospital Clínico Universidad de Chile, Santiago 8380456, Chile; (A.N.F.); (D.B.V.)
- Departamento de Obstetricia y Ginecología, Facultad de Medicina, Universidad de Chile, Santiago 8380453, Chile
| | - Allison N. Fredes
- Laboratorio de Endocrinología y Biología de la Reproducción, Hospital Clínico Universidad de Chile, Santiago 8380456, Chile; (A.N.F.); (D.B.V.)
| | - Lorena Lobos-González
- Centro de Medicina Regenerativa, Facultad de Medicina, Clínica Alemana-Universidad del Desarrollo, Santiago 7710162, Chile;
| | - Manuel Valenzuela-Valderrama
- Laboratorio de Microbiología Celular, Instituto de Investigación y Postgrado, Facultad de Ciencias de la Salud, Universidad Central de Chile, Santiago 8320000, Chile;
| | - Daniela B. Vera
- Laboratorio de Endocrinología y Biología de la Reproducción, Hospital Clínico Universidad de Chile, Santiago 8380456, Chile; (A.N.F.); (D.B.V.)
| | - Carmen Romero
- Laboratorio de Endocrinología y Biología de la Reproducción, Hospital Clínico Universidad de Chile, Santiago 8380456, Chile; (A.N.F.); (D.B.V.)
- Departamento de Obstetricia y Ginecología, Facultad de Medicina, Universidad de Chile, Santiago 8380453, Chile
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8
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Zeya B, Nafees S, Imtiyaz K, Uroog L, Fakhri KU, Rizvi MMA. Diosmin in combination with naringenin enhances apoptosis in colon cancer cells. Oncol Rep 2021; 47:4. [PMID: 34738632 DOI: 10.3892/or.2021.8215] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 08/09/2021] [Indexed: 11/05/2022] Open
Abstract
Colon cancer is one of the most commonly diagnosed malignancies, which begins as a polyp and grows to become cancer. Diosmin (DS) and naringenin (NR) are naturally occurring flavonoids that exhibit various pharmacological activities. Although several studies have illustrated the effectiveness of these flavonoids as anti‑cancerous agents individually, the combinatorial impact of these compounds has not been explored. In the present study, the combined effect of DS and NR (DiNar) in colon cancer cell lines HCT116 and SW480 were assessed by targeting apoptosis and inflammatory pathways. The MTT assay was used to evaluate the effect of DiNar on cell proliferation, while Chou‑Talalay analysis was employed to determine the combination index of DS and NR. Moreover, flow cytometry was used to monitor cell cycle arrest and population study. The onset of apoptosis was assessed by DAPI staining, DNA fragmentation, and Annexin V‑fluorescein isothiocyanate/propidium iodide (Annexin V‑FITC/PI). The expression levels of apoptotic pathway markers, Bcl‑2, Bax, caspase3, caspase8, caspase9 and p53, and inflammatory markers, NF‑κβ, IKK‑α and IKK‑β, were assessed using western blotting and reverse transcription‑quantitative PCR. These results suggested that DiNar treatment acts synergistically and induces cytotoxicity with a concomitant increase in chromatin condensation, DNA fragmentation and cell cycle arrest in the G0/G1 phase. Annexin V‑FITC/PI apoptosis assay also showed increased number of cells undergoing apoptosis in the DiNar treatment group. Furthermore, the expression of apoptosis and inflammatory markers was also more effectively regulated under the DiNar treatment. Thereby, these findings demonstrated that DiNar treatment could be a potential novel chemotherapeutic alternative in colon cancer.
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Affiliation(s)
- Bushra Zeya
- The Genome Biology Laboratory, Department of Biosciences, Ramanujan Block, Jamia Millia Islamia, Jamia Nagar, New Delhi, Delhi 110025, India
| | - Sana Nafees
- The Genome Biology Laboratory, Department of Biosciences, Ramanujan Block, Jamia Millia Islamia, Jamia Nagar, New Delhi, Delhi 110025, India
| | - Khalid Imtiyaz
- The Genome Biology Laboratory, Department of Biosciences, Ramanujan Block, Jamia Millia Islamia, Jamia Nagar, New Delhi, Delhi 110025, India
| | - Laraib Uroog
- The Genome Biology Laboratory, Department of Biosciences, Ramanujan Block, Jamia Millia Islamia, Jamia Nagar, New Delhi, Delhi 110025, India
| | - Khalid Umar Fakhri
- The Genome Biology Laboratory, Department of Biosciences, Ramanujan Block, Jamia Millia Islamia, Jamia Nagar, New Delhi, Delhi 110025, India
| | - M Moshahid A Rizvi
- The Genome Biology Laboratory, Department of Biosciences, Ramanujan Block, Jamia Millia Islamia, Jamia Nagar, New Delhi, Delhi 110025, India
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Zhou X, Speer RM, Volk L, Hudson LG, Liu KJ. Arsenic co-carcinogenesis: Inhibition of DNA repair and interaction with zinc finger proteins. Semin Cancer Biol 2021; 76:86-98. [PMID: 33984503 PMCID: PMC8578584 DOI: 10.1016/j.semcancer.2021.05.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/05/2021] [Accepted: 05/06/2021] [Indexed: 12/17/2022]
Abstract
Arsenic is widely present in the environment and is associated with various population health risks including cancers. Arsenic exposure at environmentally relevant levels enhances the mutagenic effect of other carcinogens such as ultraviolet radiation. Investigation on the molecular mechanisms could inform the prevention and intervention strategies of arsenic carcinogenesis and co-carcinogenesis. Arsenic inhibition of DNA repair has been demonstrated to be an important mechanism, and certain DNA repair proteins have been identified to be extremely sensitive to arsenic exposure. This review will summarize the recent advances in understanding the mechanisms of arsenic carcinogenesis and co-carcinogenesis, including DNA damage induction and ROS generation, particularly how arsenic inhibits DNA repair through an integrated molecular mechanism which includes its interactions with sensitive zinc finger DNA repair proteins.
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Affiliation(s)
- Xixi Zhou
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA
| | - Rachel M Speer
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA
| | - Lindsay Volk
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA
| | - Laurie G Hudson
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA.
| | - Ke Jian Liu
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA.
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Wahiduzzaman M, Ota A, Hosokawa Y. Novel Mechanistic Insights into the Anti-cancer Mode of Arsenic Trioxide. Curr Cancer Drug Targets 2021; 20:115-129. [PMID: 31736446 DOI: 10.2174/1568009619666191021122006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 08/23/2019] [Accepted: 09/19/2019] [Indexed: 12/19/2022]
Abstract
Arsenic, a naturally-occurring toxic element, and a traditionally-used drug, has received a great deal of attention worldwide due to its curative anti-cancer properties in patients with acute promyelocytic leukemia. Among the arsenicals, arsenic trioxide has been most widely used as an anti-cancer drug. Recent advances in cancer therapeutics have led to a paradigm shift away from traditional cytotoxic drugs towards the targeting of proteins closely associated with driving the cancer phenotype. Due to the diverse anti-cancer effects of ATO on different types of malignancies, numerous studies have made efforts to uncover the mechanisms of ATO-induced tumor suppression. From in vitro cellular models to studies in clinical settings, ATO has been extensively studied. The outcomes of these studies have opened doors to establishing improved molecular-targeted therapies for cancer treatment. The efficacy of ATO has been augmented by combination with other drugs. In this review, we discuss recent arsenic-based cancer therapies and summarize the novel underlying molecular mechanisms of the anti-cancer effects of ATO.
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Affiliation(s)
- Md Wahiduzzaman
- Department of Biochemistry, School of Medicine, Aichi Medical University, Nagakute, Aichi 480-1195, Japan
| | - Akinobu Ota
- Department of Biochemistry, School of Medicine, Aichi Medical University, Nagakute, Aichi 480-1195, Japan
| | - Yoshitaka Hosokawa
- Department of Biochemistry, School of Medicine, Aichi Medical University, Nagakute, Aichi 480-1195, Japan
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11
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Arsenoplatin-Ferritin Nanocage: Structure and Cytotoxicity. Int J Mol Sci 2021; 22:ijms22041874. [PMID: 33668605 PMCID: PMC7918638 DOI: 10.3390/ijms22041874] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/28/2021] [Accepted: 02/04/2021] [Indexed: 01/07/2023] Open
Abstract
Arsenoplatin-1 (AP-1), the prototype of a novel class of metallodrugs containing a PtAs(OH)2 core, was encapsulated within the apoferritin (AFt) nanocage. UV-Vis absorption spectroscopy and inductively coupled plasma-atomic emission spectroscopy measurements confirmed metallodrug encapsulation and allowed us to determine the average amount of AP-1 trapped inside the cage. The X-ray structure of AP-1-encapsulated AFt was solved at 1.50 Å. Diffraction data revealed that an AP-1 fragment coordinates the side chain of a His residue. The biological activity of AP-1-loaded AFt was comparatively tested on a few representative cancer and non-cancer cell lines. Even though the presence of the cage reduces the overall cytotoxicity of AP-1, it improves its selectivity towards cancer cells.
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12
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Parise A, Russo N, Marino T. The platination mechanism of RNase A by arsenoplatin: insight from the theoretical study. Inorg Chem Front 2021. [DOI: 10.1039/d0qi01165g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A detailed metalation process of the bovine pancreatic ribonuclease (RNase A) by a novel multitarget anti-cancer agent arsenoplatin-1, ([Pt(μ-NHC(CH3)O)2ClAs(OH)2]), performed at DFT level and using different models size is provided.
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Affiliation(s)
- A. Parise
- Dipartimento di Chimica e Tecnologie Chimiche
- Università della Calabria
- 87036 Arcavacata di Rende
- Italy
- Université Paris-Saclay
| | - N. Russo
- Dipartimento di Chimica e Tecnologie Chimiche
- Università della Calabria
- 87036 Arcavacata di Rende
- Italy
| | - T. Marino
- Dipartimento di Chimica e Tecnologie Chimiche
- Università della Calabria
- 87036 Arcavacata di Rende
- Italy
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13
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Yu S, Wu N, Zhu J, Liu Y, Han J. Pyrrolidine Dithiocarbamate Facilitates Arsenic Trioxide Against Pancreatic Cancer via Perturbing Ubiquitin-Proteasome Pathway. Cancer Manag Res 2020; 12:13149-13159. [PMID: 33376406 PMCID: PMC7764808 DOI: 10.2147/cmar.s278674] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 11/21/2020] [Indexed: 01/06/2023] Open
Abstract
Purpose To investigate whether pyrrolidine dithiocarbamate (PDTC) could facilitate arsenic trioxide (ATO) to induce apoptosis in pancreatic cancer cells via perturbing ubiquitin-proteasome pathway. Methods Mass spectrometry was performed to examine the interaction between PDTC and ATO, and the data showed they could form a complex termed PDTC-ATO. Inhibiting effects on cell viability were examined by CCK-8 test, and apoptosis was examined by flow cytometry. Four treatment arms (n = 6), including the control, PDTC, ATO, and PDTC-ATO, were evaluated using BALB/c nude mouse models bearing a xenograft tumor of SW1990 human pancreatic cancer line. Western blot, immunohistochemistry assays were to detect the mechanism. Results The results showed that PDTC-ATO had higher inhibiting effects on proliferation of pancreatic cancer cells than ATO in vitro. In bearing-tumor mice, PDTC-ATO inhibited tumor growth by 79%, being more potent than ATO (by 46%) or PDTC (by 35%) compared to the control. Results of Western blot and immunohistochemistry showed proteasome inhibition and apoptotic cell death, together with obvious suppression of associating E3 ubiquitin ligase activity, occurred more frequently in tumors treated with PDTC-ATO than those with ATO. Conclusion PDTC demonstrated the function to facilitate ATO against pancreatic cancer due to forming a stable complex to perturb ubiquitin-proteasome pathway.
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Affiliation(s)
- Simin Yu
- Department of Traditional Chinese Medicine, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Ning Wu
- Department of Oncology, Shanghai Pudong New Area Gongli Hospital, Shanghai, People's Republic of China
| | - Jianmin Zhu
- Shanghai Clinical Center, Chinese Academy of Sciences/Xuhui Central Hospital, Shanghai, People's Republic of China
| | - Ying Liu
- Department of Oncology, Yunnan Provincial Hospital of Chinese Medicine, Kunming, People's Republic of China
| | - Jinbin Han
- Department of Traditional Chinese Medicine, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
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14
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Noh JJ, Kim MS, Cho YJ, Jeong SY, Lee YY, Ryu JY, Choi JJ, Bae I, Wu Z, Kim BG, Hwang JR, Lee JW. Anti-Cancer Activity of As 4O 6 and its Efficacy in a Series of Patient-Derived Xenografts for Human Cervical Cancer. Pharmaceutics 2020; 12:pharmaceutics12100987. [PMID: 33086573 PMCID: PMC7590205 DOI: 10.3390/pharmaceutics12100987] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 10/12/2020] [Accepted: 10/16/2020] [Indexed: 11/16/2022] Open
Abstract
Purpose: To investigate the anti-cancer effects of tetraarsenic hexoxide (TAO, As4O6) in cervical cancer cell lines and in a series of patient-derived xenograft (PDX) mouse models. Methods: Human cervical cancer cell lines, including HeLa, SiHa and CaSki, and human umbilical vein endothelial cells (HUVECs), were used to evaluate the anti-cancer activity of TAO. Cellular proliferation, apoptosis, and enzyme-linked immunosorbent assay (ELISA) for matrix metallopeptidase 2 (MMP-2) and 9 (MMP-9) were assessed. The tumor weights of the PDXs that were given TAO were measured. The PDXs included primary squamous cell carcinoma, primary adenocarcinoma, recurrent squamous cell carcinoma, and recurrent adenocarcinoma. Results: TAO significantly decreased cellular proliferation and increased apoptosis in cervical cancer cell lines and HUVEC. The functional studies on the cytotoxicity of TAO revealed that it inhibited the activation of Akt and vascular endothelial growth factor receptor 2 (VEGFR2). It also decreased the concentrations of MMP-2 in both cervical cancer cell lines and HUVECs. Active caspase-3 and p62 were both increased by the treatment of TAO, indicating increased rates of apoptosis and decreased rates of autophagy, respectively. In vivo studies with PDXs revealed that TAO significantly decreased tumor weight for both primary squamous cell carcinoma and adenocarcinoma of the cervix. However, this anti-cancer effect was not seen in PDXs with recurrent cancers. Nevertheless, the combination of TAO with cisplatin significantly decreased tumor weight in PDX models for both primary and recurrent cancers. Conclusions: TAO exerted inhibitory effects on angiogenesis, cellular migration, and autophagy, and it showed stimulatory effects on apoptosis. Overall, it demonstrated anti-cancer effects in animal models for human cervical cancer.
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Affiliation(s)
- Joseph J. Noh
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (J.J.N.); (S.-Y.J.); (Y.-Y.L.)
| | - Myeong-Seon Kim
- Department of Obstetrics and Gynecology, St. Vincent’s Hospital, Catholic University of Korea, Seoul 16247, Korea;
| | - Young-Jae Cho
- Research Institute for Future Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (Y.-J.C.); (J.-Y.R.); (J.-J.C.)
| | - Soo-Young Jeong
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (J.J.N.); (S.-Y.J.); (Y.-Y.L.)
| | - Yoo-Young Lee
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (J.J.N.); (S.-Y.J.); (Y.-Y.L.)
| | - Ji-Yoon Ryu
- Research Institute for Future Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (Y.-J.C.); (J.-Y.R.); (J.-J.C.)
| | - Jung-Joo Choi
- Research Institute for Future Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (Y.-J.C.); (J.-Y.R.); (J.-J.C.)
| | - Illju Bae
- Chemas Co., Ltd., Seoul 06163, Korea; (I.B.); (Z.W.)
| | - Zhaoyan Wu
- Chemas Co., Ltd., Seoul 06163, Korea; (I.B.); (Z.W.)
| | - Byoung-Gie Kim
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (J.J.N.); (S.-Y.J.); (Y.-Y.L.)
- Correspondence: (B.-G.K.); (J.R.H.); (J.-W.L.); Tel.: +82-2-3410-1382 (J.-W.L.); Fax: +82-2-3410-0630 (J.-W.L.)
| | - Jae Ryoung Hwang
- Research Institute for Future Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (Y.-J.C.); (J.-Y.R.); (J.-J.C.)
- Correspondence: (B.-G.K.); (J.R.H.); (J.-W.L.); Tel.: +82-2-3410-1382 (J.-W.L.); Fax: +82-2-3410-0630 (J.-W.L.)
| | - Jeong-Won Lee
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (J.J.N.); (S.-Y.J.); (Y.-Y.L.)
- Correspondence: (B.-G.K.); (J.R.H.); (J.-W.L.); Tel.: +82-2-3410-1382 (J.-W.L.); Fax: +82-2-3410-0630 (J.-W.L.)
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15
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Construction of arsenic-metal complexes loaded nanodrugs for solid tumor therapy: A mini review. Int J Pharm 2020; 583:119385. [PMID: 32376447 DOI: 10.1016/j.ijpharm.2020.119385] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 04/27/2020] [Accepted: 04/28/2020] [Indexed: 02/04/2023]
Abstract
Arsenic trioxide (As2O3), a front-line therapeutic agent against acute promyelocytic leukemia, has a broad spectrum against malignancies. Unfortunately, the clinical application of As2O3 in treating hematological cancers has not been transformed to solid tumors, for its dose-limited toxicity and undesirable pharmacokinetics. The ordinary As2O3 loaded nanodrugs (such as liposomes, polymer micelles, albumin-based nanodrugs, and silica-based nanodrugs, etc.) still could not fuel up pharmaceuticals and eradicate toxicity for low delivery efficiency caused by the instability and severe drug leakage of formulations during circulation. Recently, the approach of forming and delivering arsenic-metal complexes which will dissociate in the tumoral environment caught our mind. This is the most effective strategy to reduce drug leakage in circulation and accumulate arsenite ions in tumor sites, therefore promote the anti-tumor effect and lighten the toxicity of the drug. This review aims to explain the formation mechanism of arsenic-metal nanocomposites and summarize the constructing strategies of the arsenic-metal nanocomplexes (arsenic-nickel, arsenic-manganese, arsenic-platinum, arsenic-gadolinium, arsenic-zinc, and arsenic-iron nanobins) loaded nanodrugs for solid tumor therapy. Furthermore, the expectations and challenges of arsenic-metal complexes containing nanodrugs for cancer therapy in the future were discussed.
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16
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Hu WC, Teo WH, Huang TF, Lee TC, Lo JF. Combinatorial Low Dose Arsenic Trioxide and Cisplatin Exacerbates Autophagy via AMPK/STAT3 Signaling on Targeting Head and Neck Cancer Initiating Cells. Front Oncol 2020; 10:463. [PMID: 32351887 PMCID: PMC7174769 DOI: 10.3389/fonc.2020.00463] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Accepted: 03/16/2020] [Indexed: 12/11/2022] Open
Abstract
Head and neck squamous cell carcinoma (HNSCC) is a highly lethal disease with high-level of epidemic both in the world and Taiwan. Previous studies support that head and neck cancer-initiating cells (HN-CICs), a subpopulation of cancer cells with enhanced stemness properties, contribute to therapy resistance and tumor recurrence. Arsenic trioxide (As2O3; ATO) has shown to be an effective anti-cancer drug targeting acute promyelocytic leukemia (APL). Combinatorial treatment with high dose of ATO and cisplatin (CDDP) exert synergistic apoptotic effects in cancer cell lines of various solid tumors, however, it may cause of significant side effect to the patients. Nevertheless, none has reported the anti-cancerous effect of ATO/CDDP targeting HN-CICs. In this study, we aim to evaluate the low dose combination of ATO with conventional chemo-drugs CDDP treatment on targeting HN-CICs. We first analyzed the inhibitory tumorigenicity of co-treatment with ATO and chemo-drugs on HN-CICs which are enriched from HNSCC cells. We observed that ATO/CDDP therapeutic regimen successfully synergized the cell death on HN-CICs with a Combination Index (CI) <1 by Chou-Talalay's analysis in vitro. Interestingly, the ATO/CDDP regimen also induced exaggerated autophagy on HN-CICs. Additionally, this drug combination strategy also empowered both preventive and therapeutic effect by in vivo xenograft assays. Finally, we provide the underlying molecular mechanisms of ATO-based therapeutic regimen on HN-CICs. Together, low dose of combinatorial ATO/CDDP regimen induced cell death as well as exacerbated autophagy via AMPK-STAT3 mediated pathway in HN-CICs.
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Affiliation(s)
- Wei-Chun Hu
- Institute of Oral Biology, National Yang-Ming University, Taipei, Taiwan
| | - Wan-Huai Teo
- Institute of Oral Biology, National Yang-Ming University, Taipei, Taiwan
| | - Tung-Fu Huang
- School of Medicine, National Yang-Ming University, Taipei, Taiwan.,Department of Orthopedics and Traumatology, Taipei Veterans General Hospital, Taipei, Taiwan.,Department of Exercise and Health Science, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan
| | - Te-Chang Lee
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Jeng-Fan Lo
- Institute of Oral Biology, National Yang-Ming University, Taipei, Taiwan.,Department of Dentistry, School of Dentistry, National Yang-Ming University, Taipei, Taiwan.,Cancer Progression Research Center, National Yang-Ming University, Taipei, Taiwan.,Department of Dentistry, Taipei Veterans General Hospital, Taipei, Taiwan
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17
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Marogoa NR, Kama D, Visser HG, Schutte-Smith M. Crystal structures of chlorido-[dihy-droxybis-(1-imino-eth-oxy)]arsanido-κ 3 N, As, N']platinum(II) and of a polymorph of chlorido-[dihy-droxybis-(1-imino-prop-oxy)arsanido-κ 3 N, As, N']platinum(II). Acta Crystallogr E Crystallogr Commun 2020; 76:180-185. [PMID: 32071743 PMCID: PMC7001821 DOI: 10.1107/s2056989019016463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 12/06/2019] [Indexed: 11/11/2022]
Abstract
Each central platinum(II) atom in the crystal structures of chlorido-[dihy-droxybis-(1-imino-eth-oxy)arsanido-κ3 N,As,N']platinum(II), [Pt(C4H10AsN2O4)Cl] (1), and of chlorido-[dihy-droxybis-(1-imino-prop-oxy)arsanido-κ3 N,As,N']platinum(II), [Pt(C6H14AsN2O4)Cl] (2), is coordinated by two nitro-gen donor atoms, a chlorido ligand and to arsenic, which, in turn, is coordinated by two oxygen donor ligands, two hydroxyl ligands and the platinum(II) atom. The square-planar and trigonal-bipyramidal coordination environments around platinum and arsenic, respectively, are significantly distorted with the largest outliers being 173.90 (13) and 106.98 (14)° for platinum and arsenic in (1), and 173.20 (14)° and 94.20 (9)° for (2), respectively. One intra-molecular and four classical inter-molecular hydrogen-bonding inter-actions are observed in the crystal structure of (1), which give rise to an infinite three-dimensional network. A similar situation (one intra-molecular and four classical inter-molecular hydrogen-bonding inter-actions) is observed in the crystal structure of (2). Various π-inter-actions are present in (1) between the platinum(II) atom and the centroid of one of the five-membered rings formed by Pt, As, C, N, O with a distance of 3.7225 (7) Å, and between the centroids of five-membered (Pt, As, C, N, O) rings of neighbouring mol-ecules with distances of 3.7456 (4) and 3.7960 (6) Å. Likewise, weak π-inter-actions are observed in (2) between the platinum(II) atom and the centroid of one of the five-membered rings formed by Pt, As, C, N, O with a distance of 3.8213 (2) Å, as well as between the Cl atom and the centroid of a symmetry-related five-membered ring with a distance of 3.8252 (12) Å. Differences between (2) and the reported polymorph [Miodragović et al. (2013 ▸). Angew. Chem. Int. Ed. 52, 10749-10752] are discussed.
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Affiliation(s)
- Nina R. Marogoa
- University of the Free State, Department of Chemistry, PO Box 339, Nelson Mandela Drive, Bloemfontein, 9301, South Africa
| | - D.V. Kama
- University of the Free State, Department of Chemistry, PO Box 339, Nelson Mandela Drive, Bloemfontein, 9301, South Africa
| | - Hendrik G. Visser
- University of the Free State, Department of Chemistry, PO Box 339, Nelson Mandela Drive, Bloemfontein, 9301, South Africa
| | - M. Schutte-Smith
- University of the Free State, Department of Chemistry, PO Box 339, Nelson Mandela Drive, Bloemfontein, 9301, South Africa
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18
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Miodragović Ð, Swindell EP, Waxali ZS, Bogachkov A, O'Halloran TV. Beyond Cisplatin: Combination Therapy with Arsenic Trioxide. Inorganica Chim Acta 2019; 496:119030. [PMID: 32863421 PMCID: PMC7453736 DOI: 10.1016/j.ica.2019.119030] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Platinum drugs (cisplatin, oxaliplatin, and carboplatin) and arsenic trioxide are the only commercial inorganic non-radioactive anticancer drugs approved by the US Food and Drug Administration. Numerous efforts are underway to take advantage of the synergy between the anticancer activity of cisplatin and arsenic trioxide - two drugs with strikingly different mechanisms of action. These include co-encapsulation of the two drugs in novel nanoscale delivery systems as well as the development of small molecule agents that combine the activity of these two inorganic materials. Several of these new molecular entities containing Pt-As bonds have broad anticancer activity, are robust in physiological buffer solutions, and form stable complexes with biopolymers. This review summarizes results from a number of preclinical studies involving the combination of cisplatin and As2O3, co-encapsulation and nanoformulation efforts, and the chemistry and cytotoxicity of the first member of platinum anticancer agents with an arsenous acid moiety bound to the platinum(II) center: arsenoplatins.
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Affiliation(s)
- Ðenana Miodragović
- Chemistry of Life Processes Institute, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Northeastern Illinois University, 5500 North St Louis Avenue, Chicago, Illinois 60625, United States
| | - Elden P Swindell
- Chemistry of Life Processes Institute, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Zohra Sattar Waxali
- Chemistry of Life Processes Institute, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Abraham Bogachkov
- Chemistry of Life Processes Institute, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Thomas V O'Halloran
- Chemistry of Life Processes Institute, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
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19
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Miodragović Đ, Merlino A, Swindell EP, Bogachkov A, Ahn RW, Abuhadba S, Ferraro G, Marzo T, Mazar AP, Messori L, O’Halloran TV. Arsenoplatin-1 Is a Dual Pharmacophore Anticancer Agent. J Am Chem Soc 2019; 141:6453-6457. [PMID: 30943017 PMCID: PMC6830503 DOI: 10.1021/jacs.8b13681] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Arsenoplatins are adducts of two chemically important anticancer drugs, cisplatin and arsenic trioxide, that have a Pt(II) bond to an As(III) hydroxide center. Screens of the NCI-60 human tumor cell lines reveal that arsenoplatin-1 (AP-1), [Pt(μ-NHC(CH3)O)2ClAs(OH)2], the first representative of this novel class of anticancer agents, displays a superior activity profile relative to the parent drugs As2O3 or cisplatin in a majority of cancer cell lines tested. These activity profiles are important because the success of arsenic trioxide in blood cancers (such as APL) has not been seen in solid tumors due to the rapid clearance of arsenous acid from the body. To understand the biological chemistry of these compounds, we evaluated interactions of AP-1 with the two important classes of biomolecules-proteins and DNA. The first structural studies of AP-1 bound to model proteins reveal that platinum(II) binds the Nε of His in a manner that preserves the Pt-As bond. We find that AP-1 readily enters cells and binds to DNA with an intact Pt-As bond (Pt:As ratio of 1). At longer incubation times, however, the Pt:As ratio in DNA samples increases, suggesting that the Pt-As bond breaks and releases the As(OH)2 moiety. We conclude that arsenoplatin-1 has the potential to deliver both Pt and As species to a variety of hematological and solid cancers.
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Affiliation(s)
- Đenana Miodragović
- Chemistry of Life Processes Institute, Northwestern University, 2145 Sheridan Road, Evanston, Illinois
60208, United States
- Northeastern Illinois University, 5500 North St Louis Avenue, Chicago, Illinois 60625, United
States
| | - Antonello Merlino
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte
Sant’Angelo, Via Cintia, I-80126 Napoli, Italy
| | - Elden P. Swindell
- Chemistry of Life Processes Institute, Northwestern University, 2145 Sheridan Road, Evanston, Illinois
60208, United States
| | - Abraham Bogachkov
- Chemistry of Life Processes Institute, Northwestern University, 2145 Sheridan Road, Evanston, Illinois
60208, United States
| | - Richard W. Ahn
- Chemistry of Life Processes Institute, Northwestern University, 2145 Sheridan Road, Evanston, Illinois
60208, United States
| | - Sara Abuhadba
- Northeastern Illinois University, 5500 North St Louis Avenue, Chicago, Illinois 60625, United
States
| | - Giarita Ferraro
- Department of Chemistry “Ugo Schiff”, Università degli Studi Firenze, via della
Lastruccia 3-13, 50019 Sesto Fiorentino, Italy
| | - Tiziano Marzo
- Department of Pharmacy, University of Pisa, Via Bonanno Pisano 6, 56126 Pisa, Italy
| | - Andrew P. Mazar
- Pharmacology, Feinberg School of Medicine, Northwestern University, 2145 Sheridan Road, Evanston,
Illinois 60208, United States
| | - Luigi Messori
- Department of Chemistry “Ugo Schiff”, Università degli Studi Firenze, via della
Lastruccia 3-13, 50019 Sesto Fiorentino, Italy
| | - Thomas V. O’Halloran
- Chemistry of Life Processes Institute, Northwestern University, 2145 Sheridan Road, Evanston, Illinois
60208, United States
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20
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Xin J, Zhang K, Huang J, Luo X, Gong X, Yang Z, Lin H, Shan H, Gao J. Facile synthesis of aquo-cisplatin arsenite multidrug nanocomposites for overcoming drug resistance and efficient combination therapy. Biomater Sci 2019; 7:262-271. [PMID: 30465673 DOI: 10.1039/c8bm01039k] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Cisplatin (CDDP) and arsenic trioxide (ATO), two representative inorganic anticancer drugs, have been successful in the treatment against several kinds of malignancies. However, combination therapy with these two drugs in clinical application suffers from poor pharmacokinetics, serious side effects, and drug resistance of the tumor. Herein, we report a carrier-free aquo-cisplatin arsenite multidrug nanocomposite loaded with cisplatin and arsenic trioxide prodrugs simultaneously. This nanocomposite achieves a high loading capacity and pH-dependent controlled release of the drugs. Because of these features, this nanocomposite shows better in vitro toxicity against various carcinoma cell lines than either the single drug or free drug combination, promotes the synergistic effect of cisplatin and arsenic trioxide, and significantly inhibits the growth of tumors in vivo. Furthermore, cisplatin and arsenic trioxide in this nanocomposite can realize a coordination of both enhanced DNA damage and DNA repair interference within cisplatin-resistant cells, which results in overcoming the drug resistance effectively. Gene expression profiles demonstrate the reduced expression of proto-oncogenes and DNA damage repair related genes MYC, MET, and MSH2, along with the increase of tumor suppressor genes PTEN, VHL, and FAS after the nanocomposite treatment. This type of multidrug nanocomposite offers an alternative and promising strategy for combination therapy and overcoming drug resistance.
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Affiliation(s)
- Jingyu Xin
- State Key Laboratory of Physical Chemistry of Solid Surfaces, The Key Laboratory for Chemical Biology of Fujian Province, and Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
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21
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Cheriyan VT, Alsaab H, Sekhar S, Venkatesh J, Mondal A, Vhora I, Sau S, Muthu M, Polin LA, Levi E, Bepler G, Iyer AK, Singh M, Rishi AK. A CARP-1 functional mimetic compound is synergistic with BRAF-targeting in non-small cell lung cancers. Oncotarget 2018; 9:29680-29697. [PMID: 30038713 PMCID: PMC6049854 DOI: 10.18632/oncotarget.25671] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 05/15/2018] [Indexed: 02/07/2023] Open
Abstract
Non-small cell lung cancers (NSCLC) account for 85% of all lung cancers, and the epidermal growth factor receptor (EGFR) is highly expressed or activated in many NSCLC that permit use of EGFR tyrosine kinase inhibitors (TKIs) as frontline therapies. Resistance to EGFR TKIs eventually develops that necessitates development of improved and effective therapeutics. CARP-1/CCAR1 is an effector of apoptosis by Doxorubicin, Etoposide, or Gefitinib, while CARP-1 functional mimetic (CFM) compounds bind with CARP-1, and stimulate CARP-1 expression and apoptosis. To test whether CFMs would inhibit TKI-resistant NSCLCs, we first generated and characterized TKI-resistant NSCLC cells. The GI50 dose of Erlotinib for parental and Erlotinib-resistant HCC827 cells was ∼0.1 μM and ≥15 μM, respectively. While Rociletinib or Ocimertinib inhibited the parental H1975 cells with GI50 doses of ≤0.18 μM, the Ocimertinib-resistant pools of H1975 cells had a GI50 dose of ∼12 μM. The GI50 dose for Rociletinib-resistant H1975 sublines ranged from 4.5-8.0 μM. CFM-4 and its novel analog CFM-4.16 attenuated growth of the parental and TKI-resistant NSCLC cells. CFMs activated p38/JNKs, inhibited oncogenic cMet and Akt kinases, while CARP-1 depletion blocked NSCLC cell growth inhibition by CFM-4.16 or Erlotinib. CFM-4.16 was synergistic with B-Raf-targeting in NSCLC, triple-negative breast cancer, and renal cancer cells. A nano-lipid formulation (NLF) of CFM-4.16 in combination with Sorafenib elicited a superior growth inhibition of xenografted tumors derived from Rociletinib-resistant H1975 NSCLC cells in part by stimulating CARP-1 and apoptosis. These findings support therapeutic potential of CFM-4.16 together with B-Raf targeting in treatment of TKI-resistant NSCLCs.
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Affiliation(s)
- Vino T Cheriyan
- John D. Dingell VA Medical Center, Detroit, MI, 48201, USA.,Department of Oncology, Barbara Ann Karmanos Cancer Institute, Wayne State University, School of Medicine, Detroit, MI, 48201, USA
| | - Hashem Alsaab
- Use-inspired Biomaterials and Integrated Nano Delivery (U-BiND) Systems Laboratory Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA.,Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, Taif University, Taif 26571, Saudi Arabia
| | - Sreeja Sekhar
- John D. Dingell VA Medical Center, Detroit, MI, 48201, USA.,Department of Oncology, Barbara Ann Karmanos Cancer Institute, Wayne State University, School of Medicine, Detroit, MI, 48201, USA
| | - Jaganathan Venkatesh
- John D. Dingell VA Medical Center, Detroit, MI, 48201, USA.,Department of Oncology, Barbara Ann Karmanos Cancer Institute, Wayne State University, School of Medicine, Detroit, MI, 48201, USA
| | - Arindam Mondal
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Imran Vhora
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Samaresh Sau
- Use-inspired Biomaterials and Integrated Nano Delivery (U-BiND) Systems Laboratory Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA
| | - Magesh Muthu
- John D. Dingell VA Medical Center, Detroit, MI, 48201, USA.,Department of Oncology, Barbara Ann Karmanos Cancer Institute, Wayne State University, School of Medicine, Detroit, MI, 48201, USA.,Present Address: Department of Molecular Biology, Umeå University, Umeå 90187, Sweden
| | - Lisa A Polin
- Department of Oncology, Barbara Ann Karmanos Cancer Institute, Wayne State University, School of Medicine, Detroit, MI, 48201, USA.,Molecular Therapeutics Program, Barbara Ann Karmanos Cancer Institute, Wayne State University, School of Medicine, Detroit, MI, 48201, USA
| | - Edi Levi
- John D. Dingell VA Medical Center, Detroit, MI, 48201, USA.,Department of Pathology, Wayne State University, School of Medicine, Detroit, MI, 48201, USA
| | - Gerold Bepler
- Department of Oncology, Barbara Ann Karmanos Cancer Institute, Wayne State University, School of Medicine, Detroit, MI, 48201, USA
| | - Arun K Iyer
- Molecular Therapeutics Program, Barbara Ann Karmanos Cancer Institute, Wayne State University, School of Medicine, Detroit, MI, 48201, USA.,Use-inspired Biomaterials and Integrated Nano Delivery (U-BiND) Systems Laboratory Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA
| | - Mandip Singh
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Arun K Rishi
- John D. Dingell VA Medical Center, Detroit, MI, 48201, USA.,Department of Oncology, Barbara Ann Karmanos Cancer Institute, Wayne State University, School of Medicine, Detroit, MI, 48201, USA.,Molecular Therapeutics Program, Barbara Ann Karmanos Cancer Institute, Wayne State University, School of Medicine, Detroit, MI, 48201, USA
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22
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Wahiduzzaman M, Ota A, Karnan S, Hanamura I, Mizuno S, Kanasugi J, Rahman ML, Hyodo T, Konishi H, Tsuzuki S, Takami A, Hosokawa Y. Novel combined Ato-C treatment synergistically suppresses proliferation of Bcr-Abl-positive leukemic cells in vitro and in vivo. Cancer Lett 2018; 433:117-130. [PMID: 29944906 DOI: 10.1016/j.canlet.2018.06.027] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Revised: 05/31/2018] [Accepted: 06/18/2018] [Indexed: 12/28/2022]
Abstract
Chronic myelogenous leukemia (CML) accounts for 15-20% of all leukemias affecting adults. Despite recent advances in the development of specific Bcr-Abl tyrosine kinase inhibitors (TKIs), some CML patients suffer from relapse due to TKI resistance. Here, we assessed the efficacy of a novel combinatorial arsenic trioxide (ATO) and cisplatin (CDDP) treatment (Ato-C) in human Bcr-Abl-positive leukemic cells. Combination index analyses revealed that a synergistic interaction of ATO and CDDP elicits a wide range of effects in K562, KU-812, MEG-A2, and KCL-22 cells. Notably, Ato-C synergistically enhanced apoptosis and decreased the survival of both acquired TKI-resistant CML cells and the cells expressing mutant Bcr-AblT315I. In addition, Ato-C dramatically decreased the phosphorylation level of forkhead transcription factor FOXO1/3a and STAT5 as well as c-Myc protein level. Interestingly, results of gene set enrichment analysis showed that Ato-C significantly downregulates the expression of MYC- and/or E2F1-target genes. Furthermore, Ato-C significantly suppressed the proliferation of MEG-A2-derived tumor when compared with that following monotherapy in vivo. Collectively, these results suggest that combined Ato-C treatment could be a promising alternative to the current therapeutic regime in CML.
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Affiliation(s)
- Md Wahiduzzaman
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Aichi, 480-1195, Japan
| | - Akinobu Ota
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Aichi, 480-1195, Japan.
| | - Sivasundaram Karnan
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Aichi, 480-1195, Japan
| | - Ichiro Hanamura
- Division of Hematology, Department of Internal Medicine, Aichi Medical University, Aichi, Japan
| | - Shohei Mizuno
- Division of Hematology, Department of Internal Medicine, Aichi Medical University, Aichi, Japan
| | - Jo Kanasugi
- Division of Hematology, Department of Internal Medicine, Aichi Medical University, Aichi, Japan
| | - Md Lutfur Rahman
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Aichi, 480-1195, Japan
| | - Toshinori Hyodo
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Aichi, 480-1195, Japan
| | - Hiroyuki Konishi
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Aichi, 480-1195, Japan
| | - Shinobu Tsuzuki
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Aichi, 480-1195, Japan
| | - Akiyoshi Takami
- Division of Hematology, Department of Internal Medicine, Aichi Medical University, Aichi, Japan
| | - Yoshitaka Hosokawa
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Aichi, 480-1195, Japan
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Marino T, Parise A, Russo N. The role of arsenic in the hydrolysis and DNA metalation processes in an arsenous acid-platinum(ii) anticancer complex. Phys Chem Chem Phys 2018; 19:1328-1334. [PMID: 27966695 DOI: 10.1039/c6cp06179f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Platinum(ii)-based molecules are the most commonly used anticancer drugs in the chemotherapeutic treatment of tumours but possess serious side effects and some cancer types exhibit resistance with respect to these compounds (e.g. cisplatin). For these reasons, the research of new compounds that can bypass this limitation is in continuous development. Recently, mixed Pt(ii)-As(iii) systems have been synthesized and tested as potential anticancer agents. The mechanism of action of these kinds of drugs is unclear. Since in other platinum(ii) containing drugs, hydrolysis plays an important role in the activation of the compound before it reaches DNA, we have explored the aquation process using density functional theory (DFT), focusing our attention on the arsenoplatin complex, [Pt(μ-NHC(CH3)O)2ClAs(OH)2]. As DNA is believed to be the cellular target for Pt anticancer drugs, the metalation mechanism of DNA purine bases has been also investigated. Also for this new drug it appears that guanine is the preferred site with respect to adenine as with other platinum-containing compounds. A comparison with cisplatin is performed in order to highlight the contribution of arsenic in the anticancer activity of this new proposed anticancer agent.
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Affiliation(s)
- T Marino
- Dipartimento di Chimica e Tecnologie Chimiche, Università della Calabria, Cubo 14C, Via P. Bucci, 87036, Arcavacata di Rende, CS, Italy.
| | - A Parise
- Dipartimento di Chimica e Tecnologie Chimiche, Università della Calabria, Cubo 14C, Via P. Bucci, 87036, Arcavacata di Rende, CS, Italy.
| | - N Russo
- Dipartimento di Chimica e Tecnologie Chimiche, Università della Calabria, Cubo 14C, Via P. Bucci, 87036, Arcavacata di Rende, CS, Italy.
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24
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Arsenic trioxide: insights into its evolution to an anticancer agent. J Biol Inorg Chem 2018; 23:313-329. [DOI: 10.1007/s00775-018-1537-9] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 01/22/2018] [Indexed: 01/01/2023]
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25
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Zanjirband M, Edmondson RJ, Lunec J. Pre-clinical efficacy and synergistic potential of the MDM2-p53 antagonists, Nutlin-3 and RG7388, as single agents and in combined treatment with cisplatin in ovarian cancer. Oncotarget 2018; 7:40115-40134. [PMID: 27223080 PMCID: PMC5129997 DOI: 10.18632/oncotarget.9499] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Accepted: 04/26/2016] [Indexed: 12/31/2022] Open
Abstract
Ovarian cancer is the fifth leading cause of cancer-related female deaths. Due to serious side effects, relapse and resistance to standard chemotherapy, better and more targeted approaches are required. Mutation of the TP53 gene accounts for 50% of all human cancers. In the remaining malignancies, non-genotoxic activation of wild-type p53 by small molecule inhibition of the MDM2-p53 binding interaction is a promising therapeutic strategy. Proof of concept was established with the cis-imidazoline Nutlin-3, leading to the development of RG7388 and other compounds currently in early phase clinical trials. This preclinical study evaluated the effect of Nutlin-3 and RG7388 as single agents and in combination with cisplatin in a panel of ovarian cancer cell lines. Median-drug-effect analysis showed Nutlin-3 or RG7388 combination with cisplatin was additive to, or synergistic in a p53-dependent manner, resulting in increased p53 activation, cell cycle arrest and apoptosis, associated with increased p21WAF1 protein and/or caspase-3/7 activity compared to cisplatin alone. Although MDM2 inhibition activated the expression of p53-dependent DNA repair genes, the growth inhibitory and pro-apoptotic effects of p53 dominated the response. These data indicate that combination treatment with MDM2 inhibitors and cisplatin has synergistic potential for the treatment of ovarian cancer, dependent on cell genotype.
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Affiliation(s)
- Maryam Zanjirband
- Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne NE2 4HH, United Kingdom
| | - Richard J Edmondson
- Faculty Institute for Cancer Sciences, University of Manchester, Manchester M13 9WL, United Kingdom
| | - John Lunec
- Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne NE2 4HH, United Kingdom
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26
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Zanjirband M, Curtin N, Edmondson RJ, Lunec J. Combination treatment with rucaparib (Rubraca) and MDM2 inhibitors, Nutlin-3 and RG7388, has synergistic and dose reduction potential in ovarian cancer. Oncotarget 2017; 8:69779-69796. [PMID: 29050241 PMCID: PMC5642516 DOI: 10.18632/oncotarget.19266] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Accepted: 06/10/2017] [Indexed: 02/06/2023] Open
Abstract
Ovarian cancer is the seventh most common cancer worldwide for females and the most lethal of all gynecological malignancies. The treatment of ovarian cancer remains a challenge in spite of advances in debulking surgery and changes in both chemotherapy schedules and routes of administration. Cancer treatment has recently been improving with the introduction of targeted therapies to achieve greater specificity and less cytotoxicity. Both PARP inhibitors and MDM2-p53 binding antagonists are targeted therapeutic agents entered into clinical trials. This preclinical study evaluated the effect of Nutlin-3/RG7388 and rucaparib as single agents and in combination together in a panel of ovarian cancer cell lines. Median-drug-effect analysis showed Nutlin-3/RG7388 combination with rucaparib was additive to, or synergistic in a cell type-dependent manner. Mechanism studies showed rucaparib alone had no effect on p53 stabilization or activity. Although treatment with Nutlin-3 or RG7388 induced stabilization of p53 and upregulation of p21WAF1 and MDM2, the addition of rucaparib did not enhance the p53 activation seen with the MDM2 inhibitors alone. These results demonstrate that the synergistic effect on growth inhibition observed in the combination between rucaparib and Nutlin-3/RG7388 is not the result of increased p53 molecular pathway activation. Nevertheless, combined treatment of Nutlin-3/RG7388 with rucaparib increased cell cycle arrest and apoptosis, which was marked for A2780 and IGROV-1. These data indicate that combination treatment with MDM2 inhibitors and rucaparib has synergistic and dose reduction potential for the treatment of ovarian cancer, dependent on cell type.
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Affiliation(s)
- Maryam Zanjirband
- Northern Institute for Cancer Research, Newcastle University, Newcastle Upon Tyne NE2 4HH, United Kingdom
| | - Nicola Curtin
- Northern Institute for Cancer Research, Newcastle University, Newcastle Upon Tyne NE2 4HH, United Kingdom
| | - Richard J. Edmondson
- Faculty Institute for Cancer Sciences, University of Manchester, Manchester M13 9WL, United Kingdom
| | - John Lunec
- Northern Institute for Cancer Research, Newcastle University, Newcastle Upon Tyne NE2 4HH, United Kingdom
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Pi F, Zhang H, Li H, Thiviyanathan V, Gorenstein DG, Sood AK, Guo P. RNA nanoparticles harboring annexin A2 aptamer can target ovarian cancer for tumor-specific doxorubicin delivery. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2017; 13:1183-1193. [PMID: 27890659 PMCID: PMC5426907 DOI: 10.1016/j.nano.2016.11.015] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Revised: 11/08/2016] [Accepted: 11/21/2016] [Indexed: 12/21/2022]
Abstract
A novel modified nucleic acid nanoparticle harboring an annexin A2 aptamer for ovarian cancer cell targeting and a GC rich sequence for doxorubicin loading is designed and constructed. The system utilizes a highly stable three-way junction (3WJ) motif from phi29 packaging RNA as a core structure. A phosphorothioate-modified DNA aptamer targeting annexin A2, Endo28, was conjugated to one arm of the 3WJ. The pRNA-3WJ motif retains correct folding of attached aptamer, keeping its functions intact. It is of significant utility for aptamer-mediated targeted delivery. The DNA/RNA hybrid nanoparticles remained intact after systemic injection in mice and strongly bound to tumors with little accumulation in healthy organs 6 h post-injection. The Endo28-3WJ-Sph1/Dox intercalates selectively enhanced toxicity to annexin A2 positive ovarian cancer cells in vitro. The constructed RNA/DNA hybrid nanoparticles can potentially enhance the therapeutic efficiency of doxorubicin at low doses for ovarian cancer treatment through annexin A2 targeted drug delivery.
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Affiliation(s)
- Fengmei Pi
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH, USA; Department of Physiology & Cell Biology, College of Medicine, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, USA; Department of Pharmaceutical Sciences, University of Kentucky, Lexington, KY, USA
| | - Hui Zhang
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH, USA; Department of Physiology & Cell Biology, College of Medicine, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, USA
| | - Hui Li
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH, USA; Department of Physiology & Cell Biology, College of Medicine, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, USA; Department of Pharmaceutical Sciences, University of Kentucky, Lexington, KY, USA
| | - Varatharasa Thiviyanathan
- Department of Diagnostic and Biomedical Sciences, University of Texas Health Science Center, Houston, TX, USA; AM Biotechnologies, Houston, TX, USA
| | - David G Gorenstein
- Department of Diagnostic and Biomedical Sciences, University of Texas Health Science Center, Houston, TX, USA; AM Biotechnologies, Houston, TX, USA
| | - Anil K Sood
- Department of Gynecologic Oncology and Center for RNA Interference and Non-Coding RNA, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Peixuan Guo
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH, USA; Department of Physiology & Cell Biology, College of Medicine, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, USA.
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28
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Huang A, Yue D, Liao D, Cheng L, Ma J, Wei Y, Tong A, Cheng P. SurvivinT34A increases the therapeutic efficacy of arsenic trioxide in mouse hepatocellular carcinoma models. Oncol Rep 2016; 36:3283-3290. [PMID: 27748945 DOI: 10.3892/or.2016.5161] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 06/14/2016] [Indexed: 02/05/2023] Open
Abstract
Arsenic trioxide (ATO) has demonstrated clinical efficacy in acute promyelocytic leukemia (APL) and in vitro activity in various solid tumors. As2O3 as single agent exhibits poor efficacy for treatment of hepatocellular carcinoma (HCC) in phase II trial, suggesting that new modalities of treatment with enhanced therapeutic effect and alleviated toxicity are needed for application of As2O3 on patients with HCC. Survivin is the strongest inhibitor of apoptosis protein over-expressed in tumors, which has been proposed as an attractive target for new anticancer interventions. Disruption of survivin by the plasmid encoding the phosphorylation-defective mouse survivin threonine 34→alanine mutant (Msurvivin T34A plasmid) has proved a promising strategy for suppressing a variety of murine cancer. In the present study, we attempted to test Msurvivin T34A and arsenic trioxide (ATO) on a cell line and mice bearing subcutaneous tumors, with regard to their effects and mechanisms. We observed that the co-treatment with surivinT34A and ATO significantly enhanced the antitumor activity by induction of apoptosis in Hepa1-6 tumor cells in vitro, compared with control groups. The synergistic apoptosis-inducing effect of combination of these two drugs resulted in elevation of reactive oxygen species (ROS) level which could be antagonized by the antioxidant N-acetyl-l-cysteine. The combination treatment induced ROS-dependent collapse of the mitochondrial membrane potential. Moreover, the tumor growth in vivo was also remarkably inhibited by combination of surivinT34A and ATO when compared with control groups. Our findings demonstrate that the combination of surivinT34A and ATO exerted synergistic antitumor effects, providing a new perspective for clinical treatment of HCC.
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Affiliation(s)
- Anliang Huang
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy/Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Dan Yue
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy/Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Danying Liao
- Department of Pathology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Liuliu Cheng
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy/Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Jinhu Ma
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy/Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Yuquan Wei
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy/Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Aiping Tong
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy/Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Ping Cheng
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy/Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
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29
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Owonikoko TK, Zhang G, Kim HS, Stinson RM, Bechara R, Zhang C, Chen Z, Saba NF, Pakkala S, Pillai R, Deng X, Sun SY, Rossi MR, Sica GL, Ramalingam SS, Khuri FR. Patient-derived xenografts faithfully replicated clinical outcome in a phase II co-clinical trial of arsenic trioxide in relapsed small cell lung cancer. J Transl Med 2016; 14:111. [PMID: 27142472 PMCID: PMC4855771 DOI: 10.1186/s12967-016-0861-5] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 04/12/2016] [Indexed: 02/03/2023] Open
Abstract
Background SCLC has limited treatment options and inadequate preclinical models. Promising activity of arsenic trioxide (ASO) recorded in conventional preclinical models of SCLC supported the clinical evaluation of ASO in patients. We assessed the efficacy of ASO in relapsed SCLC patients and in corresponding patient-derived xenografts (PDX). Methods Single arm, Simon 2-stage, phase II trial to enroll patients with relapsed SCLC who have failed at least one line of therapy. ASO was administered as an intravenous infusion over 1–2 h daily for 4 days in week 1 and for 2 days in weeks 2–6 of an 8-week cycle. Treatment continued until disease progression. Pretreatment tumor biopsy was employed for PDX generation through direct implantation into subcutaneous pockets of SCID mice without in vitro manipulation and serially propagated for five generations. Ex vivo efficacy of cisplatin (3 mg/kg i.p. weekly) and ASO (3.75 mg/kg i.p. every other day) was tested in PDX representative of platinum sensitive and platinum refractory SCLC. Results The best response in 17 evaluable patients was stable disease in 2 (12 %), progressive disease in 15 (88 %) patients and median time-to-progression of seven (range 1–7) weeks. PDX was successfully grown in 5 of 9 (56 %) transplanted biopsy samples. Serially-propagated PDXs preserved characteristic small cell histology and genomic stability confirmed by immunohistochemistry, short tandem repeat (STR) profiling and targeted sequencing. ASO showed in vitro cytotoxicity but lacked in vivo efficacy against SCLC PDX tumor growth. Conclusions Cisplatin inhibited growth of PDX derived from platinum-sensitive SCLC but was ineffective against PDX from platinum-refractory SCLC. Strong concordance between clinical and ex vivo effects of ASO and cisplatin in SCLC supports the use of PDX models to prescreen promising anticancer agents prior to clinical testing in SCLC patients. Trial Registration The study was registered at http://www.clinicaltrials.gov (NCT01470248) Electronic supplementary material The online version of this article (doi:10.1186/s12967-016-0861-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Taofeek K Owonikoko
- Department of Hematology & Medical Oncology, Emory University School of Medicine, Winship Cancer Institute, 1365C Clifton Road, NE, Suite C3080, Atlanta, GA, 30322, USA.
| | - Guojing Zhang
- Department of Hematology & Medical Oncology, Emory University School of Medicine, Winship Cancer Institute, 1365C Clifton Road, NE, Suite C3080, Atlanta, GA, 30322, USA
| | - Hyun S Kim
- Department of Radiology, Division of Interventional Radiology, Emory University School of Medicine, Winship Cancer Institute, Atlanta, GA, 30322, USA
| | | | - Rabih Bechara
- Department of Medicine, Division of Interventional Pulmonology, Winship Cancer Institute, Atlanta, GA, 30322, USA
| | - Chao Zhang
- Department of Biostatistics, Rollins School of Public Health and Biostatistics Shared Resource, Winship Cancer Institute, Atlanta, GA, 30322, USA
| | - Zhengjia Chen
- Department of Biostatistics, Rollins School of Public Health and Biostatistics Shared Resource, Winship Cancer Institute, Atlanta, GA, 30322, USA
| | - Nabil F Saba
- Department of Hematology & Medical Oncology, Emory University School of Medicine, Winship Cancer Institute, 1365C Clifton Road, NE, Suite C3080, Atlanta, GA, 30322, USA
| | - Suchita Pakkala
- Department of Hematology & Medical Oncology, Emory University School of Medicine, Winship Cancer Institute, 1365C Clifton Road, NE, Suite C3080, Atlanta, GA, 30322, USA
| | - Rathi Pillai
- Department of Hematology & Medical Oncology, Emory University School of Medicine, Winship Cancer Institute, 1365C Clifton Road, NE, Suite C3080, Atlanta, GA, 30322, USA
| | - Xingming Deng
- Department of Radiation Oncology, Winship Cancer Institute, Atlanta, GA, 30322, USA
| | - Shi-Yong Sun
- Department of Hematology & Medical Oncology, Emory University School of Medicine, Winship Cancer Institute, 1365C Clifton Road, NE, Suite C3080, Atlanta, GA, 30322, USA
| | - Michael R Rossi
- Department of Radiation Oncology, Winship Cancer Institute, Atlanta, GA, 30322, USA.,Department of Pathology, Winship Cancer Institute, Atlanta, GA, 30322, USA
| | - Gabriel L Sica
- Department of Pathology, Winship Cancer Institute, Atlanta, GA, 30322, USA
| | - Suresh S Ramalingam
- Department of Hematology & Medical Oncology, Emory University School of Medicine, Winship Cancer Institute, 1365C Clifton Road, NE, Suite C3080, Atlanta, GA, 30322, USA
| | - Fadlo R Khuri
- Department of Hematology & Medical Oncology, Emory University School of Medicine, Winship Cancer Institute, 1365C Clifton Road, NE, Suite C3080, Atlanta, GA, 30322, USA
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30
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Li J, Wang SW, Zhang DS, Sun Y, Zhu CY, Fei Q, Hu J, Zhang C, Sun YM. FTY720-induced enhancement of autophagy protects cells from FTY720 cytotoxicity in colorectal cancer. Oncol Rep 2016; 35:2833-42. [PMID: 26985637 DOI: 10.3892/or.2016.4668] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2015] [Accepted: 02/01/2016] [Indexed: 11/05/2022] Open
Abstract
FTY720, also known as fingolimod, is a widely used immunomodulator in multiple sclerosis and multiple organ transplantation. It is also an important protein phosphatase 2A (PP2A) activator. Based on this, a number of studies have recently demonstrated the cytotoxic effect of FTY720 in various cancers. Yet in colorectal cancer (CRC), the underlying mechanisms of FTY720 cytotoxicity remain less clear, especially the relationship between a drug and autophagy. We demonstrate here for the first time that FTY720 promotes the appearance of autophagic hallmarks such as autophagosome formation and light chain 3 (LC3)-II accumulation, indicating the participation of autophagy in FTY720 cytotoxicity on CRC. Moreover, inhibition of autophagy using 3-methyladenine (3-MA), a specific inhibitor of autophagy, enhanced FTY720 cytotoxicity, indicating the protective role of autophagy against the drug's own cytotoxic effect. The protective autophagy was likely affected by cancerous inhibitor of PP2A (CIP2A), an endogenous PP2A inhibitor that is closely related with poor prognosis and drug resistance. Consequently, our data not only demonstrate a new mechanism underlying the cytotoxic effect of FTY720 in CRC, but also a new strategy for CRC treatment, especially in cases resistant to conventional chemotherapies because of high CIP2A levels.
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Affiliation(s)
- Juan Li
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Shu-Wei Wang
- Department of General Surgery, Wuxi Affiliated Hospital of Nanjing University of Chinese Medicine, Wuxi, P.R. China
| | - Dong-Sheng Zhang
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Ye Sun
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Chun-Yan Zhu
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Qiang Fei
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Jun Hu
- Department of Hepatobiliary Surgery, First People's Hospital of Changzhou, Changzhou, Jiangsu 214000, P.R. China
| | - Chuan Zhang
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Yue-Ming Sun
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
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Ding Q, Chen Y, Zhang Q, Guo Y, Huang Z, Dai L, Cao S. 8‑bromo‑7‑methoxychrysin induces apoptosis by regulating Akt/FOXO3a pathway in cisplatin‑sensitive and resistant ovarian cancer cells. Mol Med Rep 2015; 12:5100-8. [PMID: 26151347 PMCID: PMC4581817 DOI: 10.3892/mmr.2015.4039] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2013] [Accepted: 07/22/2014] [Indexed: 12/24/2022] Open
Abstract
8-bromo-7-methoxychrysin (BrMC), a novel chrysin analog, was reported to have anti-cancer activities. The aim of the present study was to investigate the molecular mechanism of 8-bromo-7-methoxychrysin (BrMC)-induced apoptosis via the Akt/forkhead box O3a (FOXO3a) pathway in cisplatin (DDP)-sensitive and -resistant ovarian cancer cells. The human ovarian cancer cell lines A2780 and A2780/DDP were cultured in vitro. Various molecular techniques were used to assess the expression of FOXO3a and B cell lymphoma 2 (Bcl-2)-interacting mediator of cell death (Bim) in cisplatin-sensitive and -resistant ovarian cancer cells. Different concentrations of BrMC induced apoptosis in cisplatin-sensitive and -resistant ovarian cancer cells. BrMC-induced apoptotic cell death occurred mainly by the activation of Akt, which was accompanied by the overexpression of transcription factor FOXO3a, with a concomitant increase in the expression levels of Bim. Silencing Bim expression by using small interfering RNA, attenuated the induction of apoptosis by BrMC treatment. The results indicated that BrMC-induced apoptosis in cisplatin-sensitive and -resistant ovarian cancer cells may occur via the regulation of Akt/FOXO3a, leading to Bim transcription.
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Affiliation(s)
- Qing Ding
- Hunan University of Traditional Chinese Medicine, Changsha, Hunan 410208, P.R.China
| | - Yi Chen
- Hunan University of Traditional Chinese Medicine, Changsha, Hunan 410208, P.R.China
| | - Qing Zhang
- Hunan University of Traditional Chinese Medicine, Changsha, Hunan 410208, P.R.China
| | - Yanling Guo
- Hunan University of Traditional Chinese Medicine, Changsha, Hunan 410208, P.R.China
| | - Zhi Huang
- Hunan University of Traditional Chinese Medicine, Changsha, Hunan 410208, P.R.China
| | - Liqing Dai
- Hunan University of Traditional Chinese Medicine, Changsha, Hunan 410208, P.R.China
| | - Sudan Cao
- Hunan University of Traditional Chinese Medicine, Changsha, Hunan 410208, P.R.China
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Abstract
Arsenic is an enigmatic xenobiotic that causes a multitude of chronic diseases including cancer and also is a therapeutic with promise in cancer treatment. Arsenic causes mitotic delay and induces aneuploidy in diploid human cells. In contrast, arsenic causes mitotic arrest followed by an apoptotic death in a multitude of virally transformed cells and cancer cells. We have explored the hypothesis that these differential effects of arsenic exposure are related by arsenic disruption of mitosis and are differentiated by the target cell's ability to regulate or modify cell cycle checkpoints. Functional p53/CDKN1A axis has been shown to mitigate the mitotic block and to be essential to induction of aneuploidy. More recent preliminary data suggest that microRNA modulation of chromatid cohesion also may play a role in escape from mitotic block and in generation of chromosomal instability. Other recent studies suggest that arsenic may be useful in treatment of solid tumors when used in combination with other cytotoxic agents such as cisplatin.
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Affiliation(s)
- J Christopher States
- Department of Pharmacology and Toxicology, University of Louisville, 505 S. Hancock St, Louisville, KY, 40202, USA,
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Suzuki T, Ishibashi K, Yumoto A, Nishio K, Ogasawara Y. Utilization of arsenic trioxide as a treatment of cisplatin-resistant non-small cell lung cancer PC-9/CDDP and PC-14/CDDP cells. Oncol Lett 2015; 10:805-809. [PMID: 26622574 DOI: 10.3892/ol.2015.3352] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Accepted: 05/20/2015] [Indexed: 11/06/2022] Open
Abstract
Cisplatin is a commonly used drug in combination chemotherapy. However, various malignant tumors frequently acquire resistance to cisplatin. Arsenic trioxide (ATO) has been approved as a chemotherapeutic drug for the treatment of acute promyelocytic leukemia, and the combination of ATO and cisplatin has been revealed to demonstrate synergistic effects in ovarian and small cell lung cancer cells. Thus, it was hypothesized that ATO may also be active against cisplatin-resistant non-small cell lung cancer (NSCLC) PC-9/CDDP and PC-14/CDDP cells. The present study also evaluated the effects of ATO on the cisplatin-sensitive NSCLC PC-9 and PC-14 cell lines. Notably, ATO demonstrated a markedly decreased IC50 in the cisplatin-resistant PC-9/CDDP and PC-14/CDDP cells compared with the IC50 in the cisplatin-sensitive parental PC-9 and PC-14 cells. Additionally, it was found that arsenite accumulation in the PC-9 cell line was affected through the downregulation of GS-X pump systems. Although it is likely that cisplatin resistance in PC-9 cells does not depend on the GS-X pump systems, ATO was effective against cisplatin-resistant NSCLC PC-9/CDDP and PC-14/CDDP cells in combination chemotherapy.
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Affiliation(s)
- Toshihiro Suzuki
- Department of Analytical Biochemistry, Meiji Pharmaceutical University, Kiyose, Tokyo 204-8588, Japan
| | - Kenichi Ishibashi
- Department of Analytical Biochemistry, Meiji Pharmaceutical University, Kiyose, Tokyo 204-8588, Japan
| | - Atsushi Yumoto
- Department of Analytical Biochemistry, Meiji Pharmaceutical University, Kiyose, Tokyo 204-8588, Japan
| | - Kazuto Nishio
- Department of Genome Biology, Kinki University School of Medicine, Osaka-sayama, Osaka 589-8511, Japan
| | - Yuki Ogasawara
- Department of Analytical Biochemistry, Meiji Pharmaceutical University, Kiyose, Tokyo 204-8588, Japan
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Interaction study of arsenic (III and V) ions with metallothionein gene (MT2A) fragment. Int J Biol Macromol 2014; 72:599-605. [PMID: 25218889 DOI: 10.1016/j.ijbiomac.2014.09.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Revised: 09/01/2014] [Accepted: 09/02/2014] [Indexed: 12/20/2022]
Abstract
Arsenic compounds belong to the most controversial agents concerning human health. Arsenic (As) is considered as a top environmental element influencing human health due to its adverse effects including cancer, diabetes, cardiovascular disease, and reproductive or developmental problems. Despite the proven mutagenic, teratogenic and carcinogenic effects, the arsenic compounds are used for centuries to treat infectious diseases. In our work, we focused on studying of interactions of As(III) and/or As(V) with DNA. Interactions between arsenic ions and DNA were monitored by UV/vis spectrophotometry by measuring absorption and fluorescence spectra, atomic absorption spectrometry, electrochemical measurements (square wave voltammetry) and agarose gel electrophoresis. Using these methods, we observed a stable structure of DNA with As(III) within the concentration range 0.4-6.25 μg mL(-1). Higher As(III) concentration caused degradation of DNA. However, similar effects were not observed for As(V).
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Kardeh S, Ashkani-Esfahani S, Alizadeh AM. Paradoxical action of reactive oxygen species in creation and therapy of cancer. Eur J Pharmacol 2014; 735:150-68. [DOI: 10.1016/j.ejphar.2014.04.023] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2013] [Revised: 04/04/2014] [Accepted: 04/09/2014] [Indexed: 02/07/2023]
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Nakaoka T, Ota A, Ono T, Karnan S, Konishi H, Furuhashi A, Ohmura Y, Yamada Y, Hosokawa Y, Kazaoka Y. Combined arsenic trioxide-cisplatin treatment enhances apoptosis in oral squamous cell carcinoma cells. Cell Oncol (Dordr) 2014; 37:119-29. [PMID: 24599717 DOI: 10.1007/s13402-014-0167-7] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/28/2014] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Oral squamous cell carcinoma (OSCC) accounts for the majority of oral cancers. Despite recent advances in OSCC diagnostics and therapeutics, the overall survival rate still remains low. Here, we assessed the efficacy of a combinatorial arsenic trioxide (ATO) and cisplatin (CDDP) treatment in human OSCC cells. METHODS The combinatorial effect of ATO/CDDP on the growth and apoptosis of OSCC cell lines HSC-2, HSC-3, and HSC-4 was evaluated using MTT and annexin V assays, respectively. Chou-Talalay analyses were preformed to evaluate the combinatorial effects of ATO/CDDP on the dose-reduction index (DRI). To clarify the mechanism underlying the ATO/CDDP anticancer effect, we also examined the involvement of reactive oxygen species (ROS) in ATO/CDDP-induced apoptosis. RESULTS Combination index (CI) analyses revealed that a synergistic interaction of ATO and CDDP elicits a wide range of effects in HSC-2 cells, with CI values ranging from 0.78 to 0.90, where CI < 1 defines synergism. The CI values in HSC-3 and HSC-4 cells ranged from 0.34 to 0.45 and from 0.60 to 0.92, respectively. In addition, ATO/CDDP yielded favorable DRI values ranging from 1.6-fold to 7.71-fold dose reduction. Compared to mono-therapy, ATO/CDDP combinatorial therapy significantly augmented the loss of mitochondrial potential, caspase-3/7 activity and subsequent apoptosis. These changes were all abrogated by the antioxidant N-acetylcysteine. CONCLUSIONS This study provides the first evidence for a synergistic ATO/CDDP anticancer (apoptotic) activity in OSCC cells with a favorable DRI, thereby highlighting its potential as a combinational therapeutic regime in OSCC.
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Affiliation(s)
- Toshiki Nakaoka
- Department of Oral and Maxillofacial Surgery, Aichi Medical University Hospital, Nagakute, Japan
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Miodragović ÐU, Quentzel JA, Kurutz JW, Stern CL, Ahn RW, Kandela I, Mazar A, O’Halloran TV. Robust structure and reactivity of aqueous arsenous acid-platinum(II) anticancer complexes. Angew Chem Int Ed Engl 2013; 52:10749-52. [PMID: 24038962 PMCID: PMC3932145 DOI: 10.1002/anie.201303251] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2013] [Revised: 07/04/2013] [Indexed: 11/10/2022]
Abstract
The first molecular adducts of platinum and arsenic based anticancer drugs - arsenoplatins - show unanticipated structure, substitution chemistry, and cellular cytotoxicity. The PtII-AsIII bonds in these complexes are stable in aqueous solution and strongly influence the lability of the trans ligand.
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Affiliation(s)
- Ðenana U. Miodragović
- Chemistry of Life Processes Institute and Department of Chemistry Northwestern University 2145 Sheridan Road, Evanston, IL, 60208 (USA)
| | - Jeremy A. Quentzel
- Chemistry of Life Processes Institute and Department of Chemistry Northwestern University 2145 Sheridan Road, Evanston, IL, 60208 (USA)
| | - Josh W. Kurutz
- Chemistry of Life Processes Institute and Department of Chemistry Northwestern University 2145 Sheridan Road, Evanston, IL, 60208 (USA)
| | - Charlotte L. Stern
- Chemistry of Life Processes Institute and Department of Chemistry Northwestern University 2145 Sheridan Road, Evanston, IL, 60208 (USA)
| | - Richard W. Ahn
- Chemistry of Life Processes Institute and Department of Chemistry Northwestern University 2145 Sheridan Road, Evanston, IL, 60208 (USA)
| | - Irawati Kandela
- Chemistry of Life Processes Institute and Department of Chemistry Northwestern University 2145 Sheridan Road, Evanston, IL, 60208 (USA)
| | - Andrew Mazar
- Chemistry of Life Processes Institute and Department of Chemistry Northwestern University 2145 Sheridan Road, Evanston, IL, 60208 (USA)
| | - Thomas V. O’Halloran
- Chemistry of Life Processes Institute and Department of Chemistry Northwestern University 2145 Sheridan Road, Evanston, IL, 60208 (USA)
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Seo EJ, Jang IH, Do EK, Cheon HC, Heo SC, Kwon YW, Jeong GO, Kim BR, Kim JH. Efficient production of retroviruses using PLGA/bPEI-DNA nanoparticles and application for reprogramming somatic cells. PLoS One 2013; 8:e76875. [PMID: 24098810 PMCID: PMC3786964 DOI: 10.1371/journal.pone.0076875] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2013] [Accepted: 08/29/2013] [Indexed: 11/19/2022] Open
Abstract
Reprogramming of somatic cells to pluripotent cells requires the introduction of factors driving fate switches. Viral delivery has been the most efficient method for generation of induced pluripotent stem cells. Transfection, which precedes virus production, is a commonly-used process for delivery of nucleic acids into cells. The aim of this study is to evaluate the efficiency of PLGA/ bPEI nanoparticles in transfection and virus production. Using a modified method of producing PLGA nanoparticles, PLGA/bPEI-DNA nanoparticles were examined for transfection efficiency and virus production yield in comparison with PLGA-DNA, bPEI-DNA nanoparticles or liposome-DNA complexes. After testing various ratios of PLGA, bPEI, and DNA, the ratio of 6:3:1 (PLGA:bPEI:DNA, w/w/w) was determined to be optimal, with acceptable cellular toxicity. PLGA/bPEI-DNA (6:3:1) nanoparticles showed superior transfection efficiency, especially in multiple gene transfection, and viral yield when compared with liposome-DNA complexes. The culture supernatants of HEK293FT cells transfected with PLGA/bPEI-DNA of viral constructs containing reprogramming factors (Oct4, Sox2, Klf4, or c-Myc) successfully and more efficiently generated induced pluripotent stem cell colonies from mouse embryonic fibroblasts. These results strongly suggest that PLGA/bPEI-DNA nanoparticles can provide significant advantages in studying the effect of multiple factor delivery such as in reprogramming or direct conversion of cell fate.
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Affiliation(s)
- Eun Jin Seo
- Medical Research Center for Ischemic Tissue Regeneration, Pusan National University School of Medicine, Yangsan, Republic of Korea
- Department of Physiology, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Il Ho Jang
- Department of Physiology, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Eun Kyoung Do
- Medical Research Center for Ischemic Tissue Regeneration, Pusan National University School of Medicine, Yangsan, Republic of Korea
- Department of Physiology, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Hyo Cheon Cheon
- Medical Research Center for Ischemic Tissue Regeneration, Pusan National University School of Medicine, Yangsan, Republic of Korea
- Department of Physiology, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Soon Chul Heo
- Medical Research Center for Ischemic Tissue Regeneration, Pusan National University School of Medicine, Yangsan, Republic of Korea
- Department of Physiology, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Yang Woo Kwon
- Medical Research Center for Ischemic Tissue Regeneration, Pusan National University School of Medicine, Yangsan, Republic of Korea
- Department of Physiology, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Geun Ok Jeong
- Medical Research Center for Ischemic Tissue Regeneration, Pusan National University School of Medicine, Yangsan, Republic of Korea
- Department of Physiology, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Ba Reun Kim
- Medical Research Center for Ischemic Tissue Regeneration, Pusan National University School of Medicine, Yangsan, Republic of Korea
- Department of Physiology, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Jae Ho Kim
- Medical Research Center for Ischemic Tissue Regeneration, Pusan National University School of Medicine, Yangsan, Republic of Korea
- Department of Physiology, Pusan National University School of Medicine, Yangsan, Republic of Korea
- Research Institute of Convergence Biomedical Science and Technology, Pusan National University School of Medicine, Yangsan, Republic of Korea
- * E-mail:
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Zheng CY, Lam SK, Li YY, Fong BMW, Mak JCW, Ho JCM. Combination of arsenic trioxide and chemotherapy in small cell lung cancer. Lung Cancer 2013; 82:222-30. [PMID: 24041618 DOI: 10.1016/j.lungcan.2013.08.022] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2013] [Revised: 07/22/2013] [Accepted: 08/25/2013] [Indexed: 02/06/2023]
Abstract
INTRODUCTION Small cell lung cancer (SCLC) carries high mortality despite standard chemotherapy. Arsenic trioxide (ATO) has demonstrated clinical efficacy in leukemia and in vitro activity in various solid tumors. This study was conducted to determine the in vitro and in vivo combination effects of ATO and chemotherapy in SCLC. MATERIALS AND METHODS The in vitro model consisted of 5 SCLC cell lines (H187, H526, H69, H841 and DMS79) and the anti-proliferative effects of ATO, cisplatin, etoposide or combinations thereof were measured. Synergism was determined by calculation of the combination index (CI) according to Chou and Talalay. Assays for apoptosis, intracellular glutathione (GSH) content, and mitochondrial membrane depolarization (MMD) were performed. Arsenic content was measured by inductively coupled plasma-mass spectrometry. Expression level of MRP1, MRP2 and pH2AX was detected by Western blot while cellular pH2AX level was monitored by immunofluorescent staining. An in vivo xenograft model in nude mice was established with a H841 cell line to test the effects of drug combinations. RESULTS All 5 SCLC cell lines were sensitive to ATO, with IC(50) values (48 h) 1.6-8 μM. Synergistic or additive effects were obtained by combining cisplatin with ATO in all 5 cell lines. Combination of etoposide with ATO resulted in antagonistic or barely additive effects. Apoptotic assays and pH2AX immunofluorescent staining corroborated the synergistic combination of ATO and cisplatin. In addition, the ATO/cisplatin combination enhanced MMD, depleted GSH, downregulated MRP2 and elevated intracellular ATO content compared with either ATO or cisplatin alone. In vivo combination of ATO and cisplatin also demonstrated synergism in the H841 xenograft model. CONCLUSIONS There was clinically relevant in vitro activity of ATO in a panel of 5 SCLC cell lines. Significant synergism was demonstrated with the ATO/cisplatin combination, while antagonism was noted with the ATO/etoposide combination in both in vitro and in vivo models.
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Affiliation(s)
- Chun-yan Zheng
- Division of Respiratory Medicine, Department of Medicine, The University of Hong Kong, Queen Mary Hospital, Hong Kong Special Administrative Region
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40
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Miodragović ÐU, Quentzel JA, Kurutz JW, Stern CL, Ahn RW, Kandela I, Mazar A, O'Halloran TV. Robust Structure and Reactivity of Aqueous Arsenous Acid-Platinum(II) Anticancer Complexes. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201303251] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Zhang N, Dai L, Qi Y, Di W, Xia P. Combination of FTY720 with cisplatin exhibits antagonistic effects in ovarian cancer cells: role of autophagy. Int J Oncol 2013; 42:2053-9. [PMID: 23592281 DOI: 10.3892/ijo.2013.1906] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2013] [Accepted: 02/26/2013] [Indexed: 11/06/2022] Open
Abstract
Combination therapy with different anticancer drugs has been proven to be an effective strategy for the treatment of various types of cancers, including ovarian cancer. We have previously reported that FTY720 exhibited potent cytotoxic effects in ovarian cancer cells through the necrotic pathway, which differs from the killing effect of cisplatin (CDDP). In the present study, we report that the combination of FTY720 with CDDP yields an unexpected antagonistic effect towards the cytotoxicity of CDDP in a variety of ovarian cancer cell lines, including both CDDP-sensitive and -resistant cells. The antagonistic activity of FTY720 appears ascribable to its effect in autophagy induction. A significant increase in baseline autophagy was observed in CDDP-resistant ovarian cancer cells, compared with the sensitive cells. Blockade of autophagy by either a pharmacological inhibitor (3-MA) or siRNA-mediated knockdown of autophagic gene expression enhances CDDP-induced apoptotic cell death. Notably, by inhibiting autophagy, 3-MA can convert the combination of FTY720 with CDDP from an antagonistic into an additive effect towards killing ovarian cancer cells. Collectively, the findings suggest that a combination of an autophagy regulator with the CDDP-based regime could effectively modulate its efficacy for the treatment of ovarian cancer.
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Affiliation(s)
- Ning Zhang
- Department of Obstetrics and Gynecology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China
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Byun JM, Jeong DH, Lee DS, Kim JR, Park SG, Kang MS, Kim YN, Lee KB, Sung MS, Kim KT. Tetraarsenic oxide and cisplatin induce apoptotic synergism in cervical cancer. Oncol Rep 2013; 29:1540-6. [PMID: 23338680 DOI: 10.3892/or.2013.2243] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2012] [Accepted: 12/14/2012] [Indexed: 11/06/2022] Open
Abstract
Tetraarsenic oxide (As4O6, TAO) is a new arsenic compound that inhibits cell growth and induces apoptosis in human cervical cancer cell lines. In the present study, we report that the growth of tumor cells (CaSki) was inhibited by treatment with TAO alone or in combination with cisplatin or paclitaxel in vitro and in vivo. Proliferation was assessed by WST-1 assay, and apoptosis was assessed by Annexin-V/PI FACS analysis in the CaSki cell line treated with a single agent or with the combinations of two agents. Expression of apoptosis-related proteins was analyzed by western blot analysis. A mouse xenograft model using CaSki cells was used to determine the in vivo activity of tetraarsenic oxide alone and in combination with cisplatin or paclitaxel by estimation of tumor size. At the end of the experiment, tumor tissue from each mouse was removed and processed for TUNEL analysis for confirmation of apoptotic cells. TAO was able to inhibit cell proliferation in a time- and dose-dependent manner. A combination of TAO and cisplatin effectively induced apoptosis by activating caspase-3. Using a mouse xenograft model, the sizes of tumors which were treated with a single agent and with a combination of agents decreased in a time-dependent manner. A combination of TAO and cisplatin resulted in a significantly reduced tumor size (P<0.05). The data for the histochemical staining of TUNEL-positive cells showed that the number of apoptotic cells was significantly increased by the combination of TAO and cisplatin. Thus, TAO is a good candidate for use in a combined regimen with cisplatin for patients with cervical cancer.
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Affiliation(s)
- Jung Mi Byun
- Department of Obstetrics and Gynecology, Busan Paik Hospital, Inje University, Busan 614-735, Republic of Korea
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Albrecht C, Huck V, Wehling M, Wendler A. In vitro inhibition of SKOV-3 cell migration as a distinctive feature of progesterone receptor membrane component type 2 versus type 1. Steroids 2012; 77:1543-50. [PMID: 23064006 DOI: 10.1016/j.steroids.2012.09.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2012] [Revised: 08/27/2012] [Accepted: 09/18/2012] [Indexed: 12/20/2022]
Abstract
Progesterone receptor membrane component type 2 (PGRMC2) is strongly homologous to PGRMC1 which is highly expressed in ovarian cancer and other cancer cells and was claimed to play an important role in chemotherapy resistance. Whereas PGRMC1 has been extensively characterized in in vitro studies, comparably little is known about PGRMC2. To determine PGRMC2's role in ovarian cancer cell proliferation and mobility PGRMC1- and 2-depleted and -overexpressing SKOV-3 cells were generated. In electric cell-substrate impedance sensing studies, PGRMC2 negatively affects SKOV-3 migration rate if overexpressed; oppositely, depletion was associated with an increased migration rate. PGRMC1 had no effect in this assay. These effects were not associated with f-actin regulation or actin cytoskeleton reorganization. Yet, these highly homologous proteins share many properties. Both PGRMC1 and 2 are localized to the endoplasmic reticulum. As PGRMC1 was reported to interact with cytochrome P450 proteins (CYP) binding of two different CYPs to PGRMC2 was tested; a stable interaction of PGRMC2 with CYP3A4 and CYP21A2 was found in human embryonic kidney cells. For both PGRMC types, cell viability assays revealed no significant differences of SKOV-3 survival in overexpressing and depleted cells. PGRMC2 also does not seem to have any influence on the apoptotic effect of cisplatin or the antiapoptotic effect of progesterone which had been reported for PGRMC1. In contrast to PGRMC1, protein levels of PGRMC2 in SKOV-3 cells are reduced by treatment with cisplatin (30-60μM). In conclusion, we show for the first time that PGRMC2 inhibits migration of SKOV-3 ovarian cancer cells in vitro.
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Affiliation(s)
- Christian Albrecht
- University of Heidelberg, Clinical Pharmacology Mannheim, Maybachstr. 14, 68169 Mannheim, Germany
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Liu N, Tai S, Ding B, Thor RK, Bhuta S, Sun Y, Huang J. Arsenic trioxide synergizes with everolimus (Rad001) to induce cytotoxicity of ovarian cancer cells through increased autophagy and apoptosis. Endocr Relat Cancer 2012; 19:711-23. [PMID: 22919067 DOI: 10.1530/erc-12-0150] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Phosphatidylinositol 3-kinase/AKT/mammalian target of rapamycin pathway plays a key role in the tumorigenesis of a variety of human cancers including ovarian cancer. However, inhibitors of this pathway such as Rad001 have not shown therapeutic efficacy as a single agent for this cancer. Arsenic trioxide (ATO) induces an autophagic pathway in ovarian carcinoma cells. We found that ATO can synergize with Rad001 to induce cytotoxicity of ovarian cancer cells. Moreover, we identified synergistic induction of autophagy and apoptosis as the likely underlying mechanism that is responsible for the enhanced cytotoxicity. The enhanced cytotoxicity is accompanied by decreased p-AKT levels as well as upregulation of ATG5-ATG12 conjugate and LC3-2, hallmarks of autophagy. Rad001 and ATO can also synergistically inhibit tumors in a xenograft animal model of ovarian cancer. These results thus identify and validate a novel mechanism to enhance and expand the existing targeted therapeutic agent to treat human ovarian cancer.
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Affiliation(s)
- Nan Liu
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, Republic of China
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Jang M, Kim Y, Won H, Lim S, K R J, Dashdorj A, Min YH, Kim SY, Shokat KM, Ha J, Kim SS. Carbonyl reductase 1 offers a novel therapeutic target to enhance leukemia treatment by arsenic trioxide. Cancer Res 2012; 72:4214-24. [PMID: 22719067 DOI: 10.1158/0008-5472.can-12-1110] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Arsenic trioxide (As2O3) is used, in current practice, as an effective chemotherapeutic agent for acute promyelocytic leukemia (APL). However, the side effects and relatively low efficacy of As2O3 in treating other leukemias have limited its wider use in therapeutic applications. In the present study, we found that the expression of carbonyl reductase 1 (CBR1) affects the resistance to As2O3 in leukemias, including APL; As2O3 upregulated CBR1 expression at the transcriptional level by stimulating the activity of the transcription factor activator protein-1. Moreover, CBR1 overexpression was sufficient to protect cells against As2O3 through modulation of the generation of reactive oxygen species, whereas the attenuation of CBR1 was sufficient to sensitize cells to As2O3. A combination treatment with the specific CBR1 inhibitor hydroxy-PP-Me remarkably increased As2O3-induced apoptotic cell death compared with As2O3 alone, both in vitro and in vivo. These results were confirmed in primary cultured human acute and chronic myeloid leukemia cells, with no significant cell death observed in normal leukocytes. Taken together, our findings indicate that CBR1 contributes to the low efficacy of As2O3 and, therefore, is a rational target for the development of combination chemotherapy with As2O3 in diverse leukemias including APL.
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Affiliation(s)
- Miran Jang
- Department of Biochemistry and Molecular Biology (BK21 project), Medical Research Center for Bioreaction to Reactive Oxygen Species and Biomedical Science Institute, School of Medicine, Kyung Hee University, Seoul, Republic of Korea
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Kotowski U, Heiduschka G, Brunner M, Erovic BM, Martinek H, Thurnher D. Arsenic trioxide enhances the cytotoxic effect of cisplatin in head and neck squamous cell carcinoma cell lines. Oncol Lett 2012; 3:1326-1330. [PMID: 22783443 DOI: 10.3892/ol.2012.643] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2011] [Accepted: 03/01/2012] [Indexed: 12/31/2022] Open
Abstract
Arsenic trioxide (ATO) has been approved for the treatment of relapsed acute promyelocytic leukaemia. The aim of this study was to determine whether ATO would lead to cell death in head and neck squamous cell carcinoma (HNSCC) cell lines and whether it was able to enhance the cytotoxicity of cisplatin, a standard chemotherapeutic agent. The four HNSCC cell lines SCC9, SCC25, CAL27 and FADU were treated with ATO or cisplatin alone or with ATO and cisplatin in combination. Cytotoxicity assays, immunohistochemistry, western blot analysis and flow cytometry were carried out. Possible interactions between the two drugs were calculated using the Chou-Talalay equation. Ther results demonstrated a synergistic cytotoxic effect of the combination of ATO and cisplatin at high doses. The two agents induced apoptosis in all four HNSCC cell lines. In conclusion, this study showed that ATO is a promising therapeutic drug with cytotoxic effects in HNSCC. We demonstrated a synergistic effect in the combined treatment with cisplatin at high doses.
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Affiliation(s)
- Ulana Kotowski
- Department of Otorhinolaryngology, Head and Neck Surgery, Medical University of Vienna, A-1090 Vienna, Austria
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47
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Muenyi CS, Pinhas AR, Fan TW, Brock GN, Helm CW, States JC. Sodium arsenite ± hyperthermia sensitizes p53-expressing human ovarian cancer cells to cisplatin by modulating platinum-DNA damage responses. Toxicol Sci 2012; 127:139-49. [PMID: 22331493 DOI: 10.1093/toxsci/kfs085] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Epithelial ovarian cancer (EOC) is the leading cause of gynecological cancer death in the United States. Cisplatin is a DNA damaging agent initially effective against EOC but limited by resistance. P53 plays a critical role in cellular response to DNA damage and has been implicated in EOC response to platinum chemotherapy. In this study, we examined the role of p53 status in EOC response to a novel combination of cisplatin, sodium arsenite, and hyperthermia. Human EOC cells were treated with cisplatin ± 20μM sodium arsenite at 37°C or 39°C for 1 h. Sodium arsenite ± hyperthermia sensitized wild-type p53-expressing (A2780, A2780/CP70, OVCA 420, OVCA 429, and OVCA 433) EOC cells to cisplatin. Hyperthermia sensitized p53-null SKOV-3 and p53-mutant (OVCA 432 and OVCAR-3) cells to cisplatin. P53 small interfering RNA (siRNA) transfection abrogated sodium arsenite sensitization effect. XPC, a critical DNA damage recognition protein in global genome repair pathway, was induced by cisplatin only in wild-type p53-expressing cells. Cotreatment with sodium arsenite ± hyperthermia attenuated cisplatin-induced XPC in wild-type p53-expressing cells. XPC siRNA transfection sensitized wild-type p53-expressing cells to cisplatin, suggesting that sodium arsenite ± hyperthermia attenuation of XPC is a mechanism by which wild-type p53-expressing cells are sensitized to cisplatin. Hyperthermia ± sodium arsenite enhanced cellular and DNA accumulation of platinum in wild-type p53-expressing cells. Only hyperthermia enhanced platinum accumulation in p53-null cells. In conclusion, sodium arsenite ± hyperthermia sensitizes wild-type p53-expressing EOC cells to cisplatin by suppressing DNA repair protein XPC and increasing cellular and DNA platinum accumulation.
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Affiliation(s)
- Clarisse S Muenyi
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, Kentucky 40292, USA
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Kuo CC, Liu TW, Chen LT, Shiah HS, Wu CM, Cheng YT, Pan WY, Liu JF, Chen KL, Yang YN, Chen SN, Chang JY. Combination of arsenic trioxide and BCNU synergistically triggers redox-mediated autophagic cell death in human solid tumors. Free Radic Biol Med 2011; 51:2195-209. [PMID: 22001324 DOI: 10.1016/j.freeradbiomed.2011.09.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2010] [Revised: 09/20/2011] [Accepted: 09/21/2011] [Indexed: 12/14/2022]
Abstract
Arsenic trioxide (As(2)O(3)) is an effective treatment for relapsed or refractory acute promyelocytic leukemia (APL). After the discovery of As(2)O(3) as a promising treatment for APL, several studies investigated the use of As(2)O(3) as a single agent in the treatment of solid tumors; however, its therapeutic efficacy is limited. Thus, the systematic study of the combination of As(2)O(3) with other clinically used chemotherapeutic drugs to improve its therapeutic efficacy in treating human solid tumors is merited. In this study, we demonstrate for the first time, using isobologram analysis, that As(2)O(3) exhibits a synergistic interaction with N,N'-bis(2-chloroethyl)-N-nitrosourea (BCNU). The synergistic augmentation of the cytotoxicity of As(2)O(3) with BCNU is in part through the autophagic cell death machinery in human solid tumor cells. As(2)O(3) and BCNU in combination produce enhanced cytotoxicity via the depletion of reduced glutathione (GSH) and augmentation of reaction oxygen species (ROS) production. Further analysis indicated that the extension of GSH depletion by this combined regimen occurs through the inhibition of the catalytic activity of glutathione reductase. Blocking ROS production with antioxidants or ROS scavengers effectively inhibits cell death and autophagy formation, indicating that redox-mediated autophagic cell death involves the synergism of As(2)O(3) with BCNU. Taken together, this is the first evidence that BCNU could help to extend the therapeutic spectrum of As(2)O(3). These findings will be useful in designing future clinical trials of combination chemotherapy with As(2)O(3) and BCNU, with the potential for broad use against a variety of solid tumors.
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Affiliation(s)
- Ching-Chuan Kuo
- National Institute of Cancer Research, National Health Research Institutes, Tainan 704, Taiwan.
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Ong PS, Chan SY, Ho PC. Microarray analysis revealed dysregulation of multiple genes associated with chemoresistance to As(2)O(3) and increased tumor aggressiveness in a newly established arsenic-resistant ovarian cancer cell line, OVCAR-3/AsR. Eur J Pharm Sci 2011; 45:367-78. [PMID: 22178533 DOI: 10.1016/j.ejps.2011.12.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2011] [Revised: 11/30/2011] [Accepted: 12/03/2011] [Indexed: 01/07/2023]
Abstract
The potential of arsenic trioxide (As(2)O(3)) for use as a novel therapy for ovarian cancer treatment has been increasingly recognized. In this study, we developed an arsenic-resistant OVCAR-3 subline (OVCAR-3/AsR) and aimed to identify the molecular mechanisms and signaling pathways contributing to the development of acquired arsenic chemoresistance in ovarian cancer. OVCAR-3/AsR cells were obtained following continual exposure of parental OVCAR-3 cells to low dose As(2)O(3) for 12months. Cytotoxicity of OVCAR-3/AsR cells to As(2)O(3), paclitaxel and cisplatin was investigated. Cell apoptosis and cell cycle distribution following As(2)O(3) treatment of OVCAR-3/AsR cells was also analyzed using flow cytometry. Subsequently, cDNA microarray analysis was performed from the RNA samples of OVCAR-3 and OVCAR-3/AsR cells in duplicate experiments. Microarray data were analyzed using Genespring® and Pathway Studio® Softwares. OVCAR-3/AsR cells showed 9-fold greater resistance to As(2)O(3) and lack of collateral resistance to cisplatin and paclitaxel. Compared with parental OVCAR-3 cells, OVCAR-3/AsR had significantly lower apoptotic rates following As(2)O(3) treatment. These cells were also arrested at both the S phase and G(2)/M phase of the cell cycle after exposure to high concentrations of As(2)O(3). Gene expression profiling revealed significant differences in expression levels of 397 genes between OVCAR-3/AsR and OVCAR-3 cells. The differentially regulated transcripts genes have functional ontologies related to continued cancer cell growth, cell survival, tumor metastasis and tumor aggressiveness. Additionally, numerous gene targets of the nuclear factor erythroid 2-related factor 2 (NRF2) transcription factor showed elevated expression in OVCAR-3/AsR cells. Subsequent pathway analysis further revealed a gene network involving interleukin 1-alpha (IL1A) in mediating the arsenic-resistant phenotype. These results showed that changes in multiple genes and an increased in tumor aggressiveness occurred during the development of acquired chemoresistance to As(2)O(3) in ovarian cancer cells. The functional relevance of these genetic changes should be validated in future studies.
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Affiliation(s)
- Pei-Shi Ong
- Department of Pharmacy, National University of Singapore, 18 Science Drive 4, Singapore 117 543, Singapore.
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Chien CW, Yao JH, Chang SY, Lee PC, Lee TC. Enhanced suppression of tumor growth by concomitant treatment of human lung cancer cells with suberoylanilide hydroxamic acid and arsenic trioxide. Toxicol Appl Pharmacol 2011; 257:59-66. [PMID: 21889949 DOI: 10.1016/j.taap.2011.08.018] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2011] [Revised: 08/13/2011] [Accepted: 08/16/2011] [Indexed: 01/29/2023]
Abstract
The efficacy of arsenic trioxide (ATO) against acute promyelocytic leukemia (APL) and relapsed APL has been well documented. ATO may cause DNA damage by generating reactive oxygen intermediates. Suberoylanilide hydroxamic acid (SAHA), a histone deacetylase inhibitor, modulates gene and protein expression via histone-dependent or -independent pathways that may result in chromatin decondensation, cell cycle arrest, differentiation, and apoptosis. We investigated whether ATO and SAHA act synergistically to enhance the death of cancer cells. Our current findings showed that combined treatment with ATO and SAHA resulted in enhanced suppression of non-small-cell lung carcinoma in vitro in H1299 cells and in vivo in a xenograft mouse model. Flow cytometric analysis of annexin V+ cells showed that apoptotic cell death was significantly enhanced after combined treatment with ATO and SAHA. At the doses used, ATO did not interfere with cell cycle progression, but SAHA induced p21 expression and led to G1 arrest. A Comet assay demonstrated that ATO, but not SAHA, induced DNA strand breaks in H1299 cells; however, co-treatment with SAHA significantly increased ATO-induced DNA damage. Moreover, SAHA enhanced acetylation of histone H3 and sensitized genomic DNA to DNase I digestion. Our results suggest that SAHA may cause chromatin relaxation and increase cellular susceptibility to ATO-induced DNA damage. Combined administration of SAHA and ATO may be an effective approach to the treatment of lung cancer.
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Affiliation(s)
- Chia-Wen Chien
- Institute of Biomedical Sciences, Academia Sinica, Taipei 11529, Taiwan
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