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Aloss K, Hamar P. Augmentation of the EPR effect by mild hyperthermia to improve nanoparticle delivery to the tumor. Biochim Biophys Acta Rev Cancer 2024; 1879:189109. [PMID: 38750699 DOI: 10.1016/j.bbcan.2024.189109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 05/05/2024] [Accepted: 05/07/2024] [Indexed: 05/20/2024]
Abstract
The clinical translation of the nanoparticle (NP)-based anticancer therapies is still unsatisfactory due to the heterogeneity of the enhanced permeability and retention (EPR) effect. Despite the promising preclinical outcome of the pharmacological EPR enhancers, their systemic toxicity can limit their clinical application. Hyperthermia (HT) presents an efficient tool to augment the EPR by improving tumor blood flow (TBF) and vascular permeability, lowering interstitial fluid pressure (IFP), and disrupting the structure of the extracellular matrix (ECM). Furthermore, the HT-triggered intravascular release approach can overcome the EPR effect. In contrast to pharmacological approaches, HT is safe and can be focused to cancer tissues. Moreover, HT conveys direct anti-cancer effects, which improve the efficacy of the anti-cancer agents encapsulated in NPs. However, the clinical application of HT is challenging due to the heterogeneous distribution of temperature within the tumor, the length of the treatment and the complexity of monitoring.
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Affiliation(s)
- Kenan Aloss
- Institute of Translational Medicine - Semmelweis University - 1094, Tűzoltó utca, 37-49, Budapest, Hungary
| | - Péter Hamar
- Institute of Translational Medicine - Semmelweis University - 1094, Tűzoltó utca, 37-49, Budapest, Hungary.
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2
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Tayeb BA, Kusuma IY, Osman AAM, Minorics R. Herbal compounds as promising therapeutic agents in precision medicine strategies for cancer: A systematic review. JOURNAL OF INTEGRATIVE MEDICINE 2024; 22:137-162. [PMID: 38462407 DOI: 10.1016/j.joim.2024.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 01/30/2024] [Indexed: 03/12/2024]
Abstract
BACKGROUND The field of personalized medicine has gained increasing attention in cancer care, with the aim of tailoring treatment strategies to individual patients for improved outcomes. Herbal medicine, with its long-standing historical use and extensive bioactive compounds, offers a rich source of potential treatments for various diseases, including cancer. OBJECTIVE To provide an overview of the current knowledge and evidence associated with incorporating herbal compounds into precision medicine strategies for cancer diseases. Additionally, to explore the general characteristics of the studies included in the analysis, focusing on their key features and trends. SEARCH STRATEGY A comprehensive literature search was conducted from multiple online databases, including PubMed, Scopus, Web of Science, and CINAHL-EBSCO. The search strategy was designed to identify studies related to personalized cancer medicine and herbal interventions. INCLUSION CRITERIA Publications pertaining to cancer research conducted through in vitro, in vivo, and clinical studies, employing natural products were included in this review. DATA EXTRACTION AND ANALYSIS Two review authors independently applied inclusion and inclusion criteria, data extraction, and assessments of methodological quality. The quality assessment and biases of the studies were evaluated based on modified Jadad scales. A detailed quantitative summary of the included studies is presented, providing a comprehensive description of their key features and findings. RESULTS A total of 121 studies were included in this review for analysis. Some of them were considered as comprehensive experimental investigations both in vitro and in vivo. The majority (n = 85) of the studies included in this review were conducted in vitro, with 44 of them specifically investigating the effects of herbal medicine on animal models. Additionally, 7 articles with a combined sample size of 31,271 patients, examined the impact of herbal medicine in clinical settings. CONCLUSION Personalized medication can optimize the use of herbal medicine in cancer treatment by considering individual patient factors such as genetics, medical history, and other treatments. Additionally, active phytochemicals found in herbs have shown potential for inhibiting cancer cell growth and inducing apoptosis, making them a promising area of research in preclinical and clinical investigations. Please cite this article as: Tayeb BA, Kusuma IY, Osman AAM, Minorics R. Herbal compounds as promising therapeutic agents in precision medicine strategies for cancer: A systematic review. J Integr Med. 2024; 22(2): 137-162.
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Affiliation(s)
- Bizhar Ahmed Tayeb
- Institute of Pharmacodynamics and Biopharmacy, Faculty of Pharmacy, University of Szeged, 6720 Szeged, Hungary.
| | - Ikhwan Yuda Kusuma
- Institution of Clinical Pharmacy, Faculty of Pharmacy, University of Szeged, 6725 Szeged, Hungary; Pharmacy Study Program, Faculty of Health, Universitas Harapan Bangsa, Purwokerto 53182, Indonesia
| | - Alaa A M Osman
- Institute of Pharmacodynamics and Biopharmacy, Faculty of Pharmacy, University of Szeged, 6720 Szeged, Hungary; Department of Clinical Pharmacy and Pharmacy Practice, Faculty of Pharmacy, University of Gezira, 20 Wad Madani, Sudan
| | - Renáta Minorics
- Institute of Pharmacodynamics and Biopharmacy, Faculty of Pharmacy, University of Szeged, 6720 Szeged, Hungary
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3
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Szebényi K, Füredi A, Bajtai E, Sama SN, Csiszar A, Gombos B, Szabó P, Grusch M, Szakács G. Effective targeting of breast cancer by the inhibition of P-glycoprotein mediated removal of toxic lipid peroxidation byproducts from drug tolerant persister cells. Drug Resist Updat 2023; 71:101007. [PMID: 37741091 DOI: 10.1016/j.drup.2023.101007] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 09/11/2023] [Accepted: 09/13/2023] [Indexed: 09/25/2023]
Abstract
Therapy resistance has long been considered to occur through the selection of pre-existing clones equipped to survive and quickly regrow, or through the acquisition of mutations during chemotherapy. Here we show that following in vitro treatment by chemotherapy, epithelial breast cancer cells adopt a transient drug tolerant phenotype characterized by cell cycle arrest, epithelial-to-mesenchymal transition (EMT) and the reversible upregulation of the multidrug resistance (MDR) efflux transporter P-glycoprotein (P-gp). The drug tolerant persister (DTP) state is reversible, as cells eventually resume proliferation, giving rise to a cell population resembling the initial, drug-naïve cell lines. However, recovery after doxorubicin treatment is almost completely eliminated when DTP cells are cultured in the presence of the P-gp inhibitor Tariquidar. Mechanistically, P-gp contributes to the survival of DTP cells by removing reactive oxygen species-induced lipid peroxidation products resulting from doxorubicin exposure. In vivo, prolonged administration of Tariquidar during doxorubicin treatment holidays resulted in a significant increase of the overall survival of Brca1-/-;p53-/- mammary tumor bearing mice. These results indicate that prolonged administration of a P-gp inhibitor during drug holidays would likely benefit patients without the risk of aggravated side effects related to the concomitantly administered toxic chemotherapy. Effective targeting of DTPs through the inhibition of P-glycoprotein may result in a paradigm shift, changing the focus from countering drug resistance mechanisms to preventing or delaying therapy resistance.
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Affiliation(s)
- Kornélia Szebényi
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria; Institute of Enzymology, Research Centre for Natural Sciences, Budapest, Hungary.
| | - András Füredi
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria; Institute of Enzymology, Research Centre for Natural Sciences, Budapest, Hungary; Institute of Technical Physics and Materials Science, Centre of Energy Research, Budapest, Hungary
| | - Eszter Bajtai
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria; Institute of Enzymology, Research Centre for Natural Sciences, Budapest, Hungary; Doctoral School of Pathological Sciences, Semmelweis University, Budapest, Hungary
| | - Sai Nagender Sama
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria
| | - Agnes Csiszar
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria
| | - Balázs Gombos
- Institute of Enzymology, Research Centre for Natural Sciences, Budapest, Hungary; Doctoral School of Molecular Medicine, Semmelweis University, Budapest, Hungary
| | - Pál Szabó
- Centre for Structural Study, Research Centre for Natural Sciences, Budapest, Hungary
| | - Michael Grusch
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria
| | - Gergely Szakács
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria; Institute of Enzymology, Research Centre for Natural Sciences, Budapest, Hungary.
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4
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ATP-binding cassette efflux transporters and MDR in cancer. Drug Discov Today 2023; 28:103537. [PMID: 36801375 DOI: 10.1016/j.drudis.2023.103537] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 01/27/2023] [Accepted: 02/13/2023] [Indexed: 02/18/2023]
Abstract
Of the many known multidrug resistance (MDR) mechanisms, ATP-binding cassette (ABC) transporters expelling drug molecules out of cells is a major factor limiting the efficacy of present-day anticancer drugs. In this review, we highlights updated information on the structure, function, and regulatory mechanisms of major MDR-related ABC transporters, such as P-glycoprotein (P-gp), multidrug resistance protein 1 (MRP1), and breast cancer resistance protein (BCRP), and the effect of modulators on their functions. We also provide focused information on different modulators of ABC transporters that could be utilized against the emerging MDR crisis in cancer treatment. Finally, we discuss the importance of ABC transporters as therapeutic targets in light of future strategic planning for translating ABC transporter inhibitors into clinical practice.
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5
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MicroRNAs and Drug Resistance in Non-Small Cell Lung Cancer: Where Are We Now and Where Are We Going. Cancers (Basel) 2022; 14:cancers14235731. [PMID: 36497213 PMCID: PMC9740066 DOI: 10.3390/cancers14235731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/14/2022] [Accepted: 11/17/2022] [Indexed: 11/24/2022] Open
Abstract
Lung cancer is the leading cause of cancer-related mortality in the world. The development of drug resistance represents a major challenge for the clinical management of patients. In the last years, microRNAs have emerged as critical modulators of anticancer therapy response. Here, we make a critical appraisal of the literature available on the role of miRNAs in the regulation of drug resistance in non-small cell lung cancer (NSCLC). We performed a comprehensive annotation of miRNAs expression profiles in chemoresistant versus sensitive NSCLC, of the drug resistance mechanisms tuned up by miRNAs, and of the relative experimental evidence in support of these. Furthermore, we described the pros and cons of experimental approaches used to investigate miRNAs in the context of therapeutic resistance, to highlight potential limitations which should be overcome to translate experimental evidence into practice ultimately improving NSCLC therapy.
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6
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Modi A, Roy D, Sharma S, Vishnoi JR, Pareek P, Elhence P, Sharma P, Purohit P. ABC transporters in breast cancer: their roles in multidrug resistance and beyond. J Drug Target 2022; 30:927-947. [PMID: 35758271 DOI: 10.1080/1061186x.2022.2091578] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
ATP-binding cassette (ABC) transporters are membrane-spanning proteins involved in cholesterol homeostasis, transport of various molecules in and out of cells and organelles, oxidative stress, immune recognition, and drug efflux. They are long implicated in the development of multidrug resistance in cancer chemotherapy. Existing clinical and molecular evidence has also linked ABC transporters with cancer pathogenesis, prognostics, and therapy. In this review, we aim to provide a comprehensive update on all ABC transporters and their roles in drug resistance in breast cancer (BC). For solid tumours such as BC, various ABC transporters are highly expressed in less differentiated subtypes and metastases. ABCA1, ABCB1 and ABCG2 are key players in BC chemoresistance. Restraining these transporters has evolved as a possible mechanism to reverse this phenomenon. Further, ABCB1 and ABCC1 are important in BC prognosis. Newer therapeutic approaches have been developed to target all these molecules to dysregulate their effect, reduce cell viability, induce apoptosis, and increase drug sensitivity. In the future, targeted therapy for specific genetic variations and upstream or downstream molecules can help improve patient prognosis.
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Affiliation(s)
- Anupama Modi
- Department of Biochemistry, AIIMS, Jodhpur, India
| | - Dipayan Roy
- Department of Biochemistry, AIIMS, Jodhpur, India.,Indian Institute of Technology (IIT) Madras, Chennai, India
| | | | | | - Puneet Pareek
- Department of Radiation Oncology, AIIMS, Jodhpur, India
| | - Poonam Elhence
- Department of Pathology and Laboratory Medicine, AIIMS, Jodhpur, India
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7
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Ebrahimi N, Nasr Esfahani A, Samizade S, Mansouri A, Ghanaatian M, Adelian S, Shadman Manesh V, Hamblin MR. The potential application of organoids in breast cancer research and treatment. Hum Genet 2021; 141:193-208. [PMID: 34713317 DOI: 10.1007/s00439-021-02390-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 10/16/2021] [Indexed: 12/23/2022]
Abstract
Tumor heterogeneity is a major challenge for breast cancer researchers who have struggled to find effective treatments despite recent advances in oncology. Although the use of 2D cell culture methods in breast cancer research has been effective, it cannot model the heterogeneity of breast cancer as found within the body. The development of 3D culture of tumor cells and breast cancer organoids has provided a new approach in breast cancer research, allowing the identification of biomarkers, study of the interaction of tumor cells with the microenvironment, and for drug screening and discovery. In addition, the possibility of gene editing in organoids, especially using the CRISPR/Cas9 system, is convenient, and has allowed a more detailed study of tumor behavior in models closer to the physiological condition. The present review covers the application of organoids in breast cancer research. The recent use of gene-editing systems to provide insights into therapeutic approaches for breast cancer, is highlighted. The study of organoids and the possibility of gene manipulation may be a step towards the personalized treatment of breast cancer, which has so far remained unattainable due to the high heterogeneity of breast cancer.
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Affiliation(s)
- Nasim Ebrahimi
- Division of Genetics, Department of Cell, Molecular Biology and Microbiology, Faculty of Science and Technology, University of Isfahan, Isfahan, Islamic Republic of Iran
| | - Alireza Nasr Esfahani
- Department of Cellular and Molecular Biology, School of Biological Sciences, Islamic Azad University of Falavarjan, Falavarjan, Iran
| | - Setare Samizade
- Department of Cellular and Molecular Biology, School of Biological Sciences, Islamic Azad University of Falavarjan, Falavarjan, Iran
| | - Atena Mansouri
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Masoud Ghanaatian
- Department of Microbiology, Islamic Azad University of Jahrom, Jahrom, Fars, Iran
| | - Samaneh Adelian
- Department of Genetics, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Vida Shadman Manesh
- Medical Engineering Tissue Engineering, Department of Medical Technologies, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Michael R Hamblin
- Faculty of Health Science, Laser Research Centre, University of Johannesburg, Doornfontein, Johannesburg, 2028, South Africa.
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8
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Szakacs G, Abele R. An inventory of lysosomal ABC transporters. FEBS Lett 2020; 594:3965-3985. [DOI: 10.1002/1873-3468.13967] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/23/2020] [Accepted: 10/15/2020] [Indexed: 12/13/2022]
Affiliation(s)
- Gergely Szakacs
- Institute of Enzymology Research Centre of Natural Sciences Eötvös Loránd Research Network Budapest Hungary
- Institute of Cancer Research Medical University of Vienna Vienna Austria
| | - Rupert Abele
- Institute of Biochemistry Goethe‐University Frankfurt am Main Frankfurt am Main Germany
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9
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Borst P. Looking back at multidrug resistance (MDR) research and ten mistakes to be avoided when writing about ABC transporters in MDR. FEBS Lett 2020; 594:4001-4011. [PMID: 33111311 DOI: 10.1002/1873-3468.13972] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/31/2020] [Accepted: 10/16/2020] [Indexed: 12/19/2022]
Abstract
This paper presents a personal, selective, and sometimes critical retrospective of the history of ABC transporters in multidrug resistance (MDR) of cancer cells, overrepresenting discoveries of some early pioneers, long forgotten, and highlights of research in Amsterdam, mainly focussing on discoveries made with disruptions of ABC genes in mice (KO mice) and on the role of ABC transporters in causing drug resistance in a mouse model of mammary cancer. The history is complemented by a list of erroneous concepts often found in papers and grant applications submitted anno 2020.
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Affiliation(s)
- Piet Borst
- Division of Cell Biology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
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10
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Yang L, Liu B, Chen H, Gao R, Huang K, Guo Q, Li F, Chen W, He J. Progress in the application of organoids to breast cancer research. J Cell Mol Med 2020; 24:5420-5427. [PMID: 32283573 PMCID: PMC7214171 DOI: 10.1111/jcmm.15216] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Revised: 02/13/2020] [Accepted: 03/06/2020] [Indexed: 12/17/2022] Open
Abstract
Breast cancer is the most common cancer diagnosed in women. Breast cancer research is currently based mainly on animal models and traditional cell culture. However, the inherent species gap between humans and animals, as well as differences in organization between organs and cells, limits research advances. The breast cancer organoid can reproduce many of the key features of human breast cancer, thereby providing a new platform for investigating the mechanisms underlying the development, progression, metastasis and drug resistance of breast cancer. The application of organoid technology can also promote drug discovery and the design of individualized treatment strategies. Here, we discuss the latest advances in the use of organoid technology for breast cancer research.
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Affiliation(s)
- Liping Yang
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, China.,Department of Breast Surgery, Shenzhen Second People's Hospital, the First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Baoer Liu
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, China.,Department of Breast Surgery, Shenzhen Second People's Hospital, the First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Haodong Chen
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, China
| | - Rui Gao
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, China
| | - Kanghua Huang
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, China
| | - Qiuyi Guo
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, China
| | - Feng Li
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, China
| | - Weicai Chen
- Department of Breast Surgery, Shenzhen Second People's Hospital, the First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Jinsong He
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, China
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11
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Hamis S, Nithiarasu P, Powathil GG. What does not kill a tumour may make it stronger: In silico insights into chemotherapeutic drug resistance. J Theor Biol 2018; 454:253-267. [DOI: 10.1016/j.jtbi.2018.06.014] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 06/04/2018] [Accepted: 06/12/2018] [Indexed: 12/01/2022]
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12
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Robey RW, Pluchino KM, Hall MD, Fojo AT, Bates SE, Gottesman MM. Revisiting the role of ABC transporters in multidrug-resistant cancer. Nat Rev Cancer 2018; 18:452-464. [PMID: 29643473 PMCID: PMC6622180 DOI: 10.1038/s41568-018-0005-8] [Citation(s) in RCA: 1116] [Impact Index Per Article: 186.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Most patients who die of cancer have disseminated disease that has become resistant to multiple therapeutic modalities. Ample evidence suggests that the expression of ATP-binding cassette (ABC) transporters, especially the multidrug resistance protein 1 (MDR1, also known as P-glycoprotein or P-gp), which is encoded by ABC subfamily B member 1 (ABCB1), can confer resistance to cytotoxic and targeted chemotherapy. However, the development of MDR1 as a therapeutic target has been unsuccessful. At the time of its discovery, appropriate tools for the characterization and clinical development of MDR1 as a therapeutic target were lacking. Thirty years after the initial cloning and characterization of MDR1 and the implication of two additional ABC transporters, the multidrug resistance-associated protein 1 (MRP1; encoded by ABCC1)), and ABCG2, in multidrug resistance, interest in investigating these transporters as therapeutic targets has waned. However, with the emergence of new data and advanced techniques, we propose to re-evaluate whether these transporters play a clinical role in multidrug resistance. With this Opinion article, we present recent evidence indicating that it is time to revisit the investigation into the role of ABC transporters in efficient drug delivery in various cancer types and at the blood-brain barrier.
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Affiliation(s)
- Robert W Robey
- Laboratory of Cell Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Kristen M Pluchino
- Laboratory of Cell Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Matthew D Hall
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD, USA
| | - Antonio T Fojo
- Division of Hematology/Oncology, Department of Medicine, Columbia University/New York Presbyterian Hospital, Manhattan, NY, USA
- James J. Peters VA Medical Center, Bronx, NY, USA
| | - Susan E Bates
- Division of Hematology/Oncology, Department of Medicine, Columbia University/New York Presbyterian Hospital, Manhattan, NY, USA
- James J. Peters VA Medical Center, Bronx, NY, USA
| | - Michael M Gottesman
- Laboratory of Cell Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
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13
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BRCA-deficient mouse mammary tumor organoids to study cancer-drug resistance. Nat Methods 2017; 15:134-140. [PMID: 29256493 DOI: 10.1038/nmeth.4535] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Accepted: 10/17/2017] [Indexed: 02/07/2023]
Abstract
Poly(ADP-ribose) polymerase inhibition (PARPi) is a promising new therapeutic approach for the treatment of cancers that show homologous recombination deficiency (HRD). Despite the success of PARPi in targeting HRD in tumors that lack the tumor suppressor function of BRCA1 or BRCA2, drug resistance poses a major obstacle. We developed three-dimensional cancer organoids derived from genetically engineered mouse models (GEMMs) for BRCA1- and BRCA2-deficient cancers. Unlike conventional cell lines or mammospheres, organoid cultures can be efficiently derived and rapidly expanded in vitro. Orthotopically transplanted organoids give rise to mammary tumors that recapitulate the epithelial morphology and preserve the drug response of the original tumor. Notably, GEMM-tumor-derived organoids can be easily genetically modified, making them a powerful tool for genetic studies of tumor biology and drug resistance.
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14
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Gengenbacher N, Singhal M, Augustin HG. Preclinical mouse solid tumour models: status quo, challenges and perspectives. Nat Rev Cancer 2017; 17:751-765. [PMID: 29077691 DOI: 10.1038/nrc.2017.92] [Citation(s) in RCA: 198] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Oncology research in humans is limited to analytical and observational studies for obvious ethical reasons, with therapy-focused clinical trials being the one exception to this rule. Preclinical mouse tumour models therefore serve as an indispensable intermediate experimental model system bridging more reductionist in vitro research with human studies. Based on a systematic survey of preclinical mouse tumour studies published in eight scientific journals in 2016, this Analysis provides an overview of how contemporary preclinical mouse tumour biology research is pursued. It thereby identifies some of the most important challenges in this field and discusses potential ways in which preclinical mouse tumour models could be improved for better relevance, reproducibility and translatability.
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Affiliation(s)
- Nicolas Gengenbacher
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), 69120 Heidelberg, Germany
| | - Mahak Singhal
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), 69120 Heidelberg, Germany
- Department of Vascular Biology and Tumor Angiogenesis (CBTM), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Hellmut G Augustin
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), 69120 Heidelberg, Germany
- Department of Vascular Biology and Tumor Angiogenesis (CBTM), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
- German Cancer Consortium, 69120 Heidelberg, Germany
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15
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Lelle M, Freidel C, Kaloyanova S, Müllen K, Peneva K. Multivalency: Key Feature in Overcoming Drug Resistance with a Cleavable Cell-Penetrating Peptide-Doxorubicin Conjugate. Int J Pept Res Ther 2017. [DOI: 10.1007/s10989-017-9622-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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16
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Pegylated liposomal formulation of doxorubicin overcomes drug resistance in a genetically engineered mouse model of breast cancer. J Control Release 2017; 261:287-296. [PMID: 28700899 DOI: 10.1016/j.jconrel.2017.07.010] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 07/06/2017] [Accepted: 07/07/2017] [Indexed: 12/14/2022]
Abstract
Success of cancer treatment is often hampered by the emergence of multidrug resistance (MDR) mediated by P-glycoprotein (ABCB1/Pgp). Doxorubicin (DOX) is recognized by Pgp and therefore it can induce therapy resistance in breast cancer patients. In this study our aim was to evaluate the susceptibility of the pegylated liposomal formulation of doxorubicin (PLD/Doxil®/Caelyx®) to MDR. We show that cells selected to be resistant to DOX are cross-resistant to PLD and PLD is also ineffective in an allograft model of doxorubicin-resistant mouse B-cell leukemia. In contrast, PLD was far more efficient than DOX as reflected by a significant increase of both relapse-free and overall survival of Brca1-/-;p53-/- mammary tumor bearing mice. Increased survival could be explained by the delayed onset of drug resistance. Consistent with the higher Pgp levels needed to confer resistance, PLD administration was able to overcome doxorubicin insensitivity of the mouse mammary tumors. Our results indicate that the favorable pharmacokinetics achieved with PLD can effectively overcome Pgp-mediated resistance, suggesting that PLD therapy could be a promising strategy for the treatment of therapy-resistant breast cancer patients.
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17
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Holen I, Speirs V, Morrissey B, Blyth K. In vivo models in breast cancer research: progress, challenges and future directions. Dis Model Mech 2017; 10:359-371. [PMID: 28381598 PMCID: PMC5399571 DOI: 10.1242/dmm.028274] [Citation(s) in RCA: 111] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Research using animal model systems has been instrumental in delivering improved therapies for breast cancer, as well as in generating new insights into the mechanisms that underpin development of the disease. A large number of different models are now available, reflecting different types and stages of the disease; choosing which one to use depends on the specific research question(s) to be investigated. Based on presentations and discussions from leading experts who attended a recent workshop focused on in vivo models of breast cancer, this article provides a perspective on the many varied uses of these models in breast cancer research, their strengths, associated challenges and future directions. Among the questions discussed were: how well do models represent the different stages of human disease; how can we model the involvement of the human immune system and microenvironment in breast cancer; what are the appropriate models of metastatic disease; can we use models to carry out preclinical drug trials and identify pathways responsible for drug resistance; and what are the limitations of patient-derived xenograft models? We briefly outline the areas where the existing breast cancer models require improvement in light of the increased understanding of the disease process, reflecting the drive towards more personalised therapies and identification of mechanisms of drug resistance.
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Affiliation(s)
- Ingunn Holen
- Academic Unit of Clinical Oncology, University of Sheffield, Sheffield S10 2RX, UK
| | - Valerie Speirs
- Leeds Institute of Cancer and Pathology, University of Leeds, Leeds LS9 7TF, UK
| | - Bethny Morrissey
- Leeds Institute of Cancer and Pathology, University of Leeds, Leeds LS9 7TF, UK
| | - Karen Blyth
- Cancer Research UK Beatson Institute, Glasgow G61 1BD, UK
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18
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Füredi A, Tóth S, Szebényi K, Pape VF, Türk D, Kucsma N, Cervenak L, Tóvári J, Szakács G. Identification and Validation of Compounds Selectively Killing Resistant Cancer: Delineating Cell Line–Specific Effects from P-Glycoprotein–Induced Toxicity. Mol Cancer Ther 2016; 16:45-56. [DOI: 10.1158/1535-7163.mct-16-0333-t] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 09/14/2016] [Accepted: 10/06/2016] [Indexed: 11/16/2022]
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19
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Ricci JW, Lovato DM, Severns V, Sklar LA, Larson RS. Novel ABCG2 Antagonists Reverse Topotecan-Mediated Chemotherapeutic Resistance in Ovarian Carcinoma Xenografts. Mol Cancer Ther 2016; 15:2853-2862. [PMID: 27671528 DOI: 10.1158/1535-7163.mct-15-0789] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 08/17/2016] [Accepted: 09/14/2016] [Indexed: 11/16/2022]
Abstract
Chemotherapeutic resistance remains a challenge in the treatment of ovarian carcinoma, especially in recurrent disease. Despite the fact that most patients with newly diagnosed tumors attain complete remission following cytoreductive surgery and chemotherapy, ovarian carcinoma has a recurrence rate that exceeds 75%. The ATP-binding cassette family G member 2 (ABCG2) efflux protein has been described as one mechanism that confers multiple-drug resistance to solid tumors and contributes to topotecan resistance in ovarian carcinoma. In fact, one clinical trial demonstrated ABCG2 expression in all patients with primary or recurrent ovarian carcinoma. On the basis of our previous work, we hypothesized that three compounds (CID44640177, CID1434724, and CID46245505), which represent a new piperazine-substituted pyrazolo[1,5]pyrimidine substructure class of ABCG2-specific antagonists, would restore chemosensitivity to drug-resistant ovarian cancer in vitro and in vivo To address the treatment difficulties associated with chemotherapeutic resistance in ovarian cancer, we combined each compound (CID44640177, CID1434724, and CID46245505) with topotecan and administered the mixture to chemoresistant Igrov1/T8 ovarian cancer cells in vitro and Igrov1/T8 xenografts in CB-17 SCID mice. We found that only nanomolar concentrations of each ABCG2 inhibitor in combination with topotecan were required to restore chemosensitivity to Igrov1/T8 cells in vitro In vivo, substantial tumor reduction was achieved with each compound in 4 days, with CID1434724 causing the largest reduction in excess of 60%. No signs of secondary toxic effects were observed with the ABCG2 antagonists. These novel compounds should be viewed as promising drug candidates to reverse ABCG2-mediated chemoresistance. Mol Cancer Ther; 15(12); 2853-62. ©2016 AACR.
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Affiliation(s)
- Jerec W Ricci
- Clinical and Translational Science Center, University of New Mexico, Albuquerque, New Mexico
| | - Debbie M Lovato
- Clinical and Translational Science Center, University of New Mexico, Albuquerque, New Mexico
| | - Virginia Severns
- Clinical and Translational Science Center, University of New Mexico, Albuquerque, New Mexico
| | - Larry A Sklar
- Department of Pathology, University of New Mexico, Albuquerque, New Mexico
| | - Richard S Larson
- Clinical and Translational Science Center, University of New Mexico, Albuquerque, New Mexico.
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20
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Precision or Personalized Medicine for Cancer Chemotherapy: Is there a Role for Herbal Medicine. Molecules 2016; 21:molecules21070889. [PMID: 27399658 PMCID: PMC6273869 DOI: 10.3390/molecules21070889] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 06/26/2016] [Accepted: 07/01/2016] [Indexed: 12/15/2022] Open
Abstract
Although over 100 chemotherapeutic agents are currently available for the treatment of cancer patients, the overall long term clinical benefit is disappointing due to the lack of effectiveness or severe side effects from these agents. In order to improve the therapeutic outcome, a new approach called precision medicine or personalized medicine has been proposed and initiated by the U.S. National Institutes of Health. However, the limited availability of effective medications and the high cost are still the major barriers for many cancer patients. Thus alternative approaches such as herbal medicines could be a feasible and less costly option. Unfortunately, scientific evidence for the efficacy of a majority of herbal medicines is still lacking and their development to meet FDA approval or other regulatory agencies is a big challenge. However, herbal medicines may be able to play an important role in precision medicine or personalized medicine. This review will focus on the existing and future technologies that could speed the development of herbal products for treatment of resistant cancer in individual patients. Specifically, it will concentrate on reviewing the phenotypic (activity based) rather than genotypic (mechanism based) approach to develop herbal medicine useful for personalized cancer chemotherapy.
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21
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Alkema NG, Wisman GBA, van der Zee AGJ, van Vugt MATM, de Jong S. Studying platinum sensitivity and resistance in high-grade serous ovarian cancer: Different models for different questions. Drug Resist Updat 2015; 24:55-69. [PMID: 26830315 DOI: 10.1016/j.drup.2015.11.005] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Revised: 11/04/2015] [Accepted: 11/19/2015] [Indexed: 12/21/2022]
Abstract
High-grade serous ovarian cancer (HGSOC) has the highest mortality rate among all gynecological cancers. Patients are generally diagnosed in an advanced stage with the majority of cases displaying platinum resistant relapses. Recent genomic interrogation of large numbers of HGSOC patient samples indicated high complexity in terms of genetic aberrations, intra- and intertumor heterogeneity and underscored their lack of targetable oncogenic mutations. Sub-classifications of HGSOC based on expression profiles, termed 'differentiated', 'immunoreactive', 'mesenchymal' and 'proliferative', were shown to have prognostic value. In addition, in almost half of all HGSOC patients, a deficiency in homologous recombination (HR) was found that potentially can be targeted using PARP inhibitors. Developing precision medicine requires advanced experimental models. In the current review, we discuss experimental HGSOC models in which resistance to platinum therapy and the use of novel therapeutics can be carefully studied. Panels of better-defined primary cell lines need to be established to capture the full spectrum of HGSOC subtypes. Further refinement of cell lines is obtained with a 3-dimensional culture model mimicking the tumor microenvironment. Alternatively, ex vivo ovarian tumor tissue slices are used. For in vivo studies, larger panels of ovarian cancer patient-derived xenografts (PDXs) are being established, encompassing all expression subtypes. Ovarian cancer PDXs grossly retain tumor heterogeneity and clinical response to platinum therapy is preserved. PDXs are currently used in drug screens and as avatars for patient response. The role of the immune system in tumor responses can be assessed using humanized PDXs and immunocompetent genetically engineered mouse models. Dynamic tracking of genetic alterations in PDXs as well as patients during treatment and after relapse is feasible by sequencing circulating cell-free tumor DNA and analyzing circulating tumor cells. We discuss how various models and methods can be combined to delineate the molecular mechanisms underlying platinum resistance and to select HGSOC patients other than BRCA1/2-mutation carriers that could potentially benefit from the synthetic lethality of PARP inhibitors. This integrated approach is a first step to improve therapy outcomes in specific subgroups of HGSOC patients.
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Affiliation(s)
- Nicolette G Alkema
- Department of Gynecologic Oncology, Cancer Research Centre Groningen, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - G Bea A Wisman
- Department of Gynecologic Oncology, Cancer Research Centre Groningen, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Ate G J van der Zee
- Department of Gynecologic Oncology, Cancer Research Centre Groningen, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Marcel A T M van Vugt
- Department of Medical Oncology, Cancer Research Centre Groningen, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Steven de Jong
- Department of Medical Oncology, Cancer Research Centre Groningen, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
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22
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Gottesman MM, Pastan IH. The Role of Multidrug Resistance Efflux Pumps in Cancer: Revisiting a JNCI Publication Exploring Expression of the MDR1 (P-glycoprotein) Gene. J Natl Cancer Inst 2015; 107:djv222. [PMID: 26286731 DOI: 10.1093/jnci/djv222] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Accepted: 07/20/2015] [Indexed: 12/29/2022] Open
Affiliation(s)
- Michael M Gottesman
- Laboratory of Cell Biology (MMG) and Laboratory of Molecular Biology (IHP), Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD.
| | - Ira H Pastan
- Laboratory of Cell Biology (MMG) and Laboratory of Molecular Biology (IHP), Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
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23
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Blatter S, Rottenberg S. Minimal residual disease in cancer therapy--Small things make all the difference. Drug Resist Updat 2015; 21-22:1-10. [PMID: 26307504 DOI: 10.1016/j.drup.2015.08.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 07/25/2015] [Accepted: 08/05/2015] [Indexed: 01/16/2023]
Abstract
Minimal residual disease (MRD) is a major hurdle in the eradication of malignant tumors. Despite the high sensitivity of various cancers to treatment, some residual cancer cells persist and lead to tumor recurrence and treatment failure. Obvious reasons for residual disease include mechanisms of secondary therapy resistance, such as the presence of mutant cells that are insensitive to the drugs, or the presence of cells that become drug resistant due to activation of survival pathways. In addition to such unambiguous resistance modalities, several patients with relapsing tumors do not show refractory disease and respond again when the initial therapy is repeated. These cases cannot be explained by the selection of mutant tumor cells, and the precise mechanisms underlying this clinical drug resistance are ill-defined. In the current review, we put special emphasis on cell-intrinsic and -extrinsic mechanisms that may explain mechanisms of MRD that are independent of secondary therapy resistance. In particular, we show that studying genetically engineered mouse models (GEMMs), which highly resemble the disease in humans, provides a complementary approach to understand MRD. In these animal models, specific mechanisms of secondary resistance can be excluded by targeted genetic modifications. This allows a clear distinction between the selection of cells with stable secondary resistance and mechanisms that result in the survival of residual cells but do not provoke secondary drug resistance. Mechanisms that may explain the latter feature include special biochemical defense properties of cancer stem cells, metabolic peculiarities such as the dependence on autophagy, drug-tolerant persisting cells, intratumoral heterogeneity, secreted factors from the microenvironment, tumor vascularization patterns and immunosurveillance-related factors. We propose in the current review that a common feature of these various mechanisms is cancer cell dormancy. Therefore, dormant cancer cells appear to be an important target in the attempt to eradicate residual cancer cells, and eventually cure patients who repeatedly respond to anticancer therapy but lack complete tumor eradication.
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Affiliation(s)
- Sohvi Blatter
- Institute of Animal Pathology, Vetsuisse Faculty, University of Bern, Laengassstrasse 122, 3012 Bern, Switzerland
| | - Sven Rottenberg
- Institute of Animal Pathology, Vetsuisse Faculty, University of Bern, Laengassstrasse 122, 3012 Bern, Switzerland; Division of Molecular Pathology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066CX Amsterdam, The Netherlands.
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24
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van Asten JJA, Vettukattil R, Buckle T, Rottenberg S, van Leeuwen F, Bathen TF, Heerschap A. Increased levels of choline metabolites are an early marker of docetaxel treatment response in BRCA1-mutated mouse mammary tumors: an assessment by ex vivo proton magnetic resonance spectroscopy. J Transl Med 2015; 13:114. [PMID: 25890200 PMCID: PMC4404119 DOI: 10.1186/s12967-015-0458-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Accepted: 03/10/2015] [Indexed: 01/05/2023] Open
Abstract
Background Docetaxel is one of the most frequently used drugs to treat breast cancer. However, resistance or incomplete response to docetaxel is a major challenge. The aim of this study was to utilize MR metabolomics to identify potential biomarkers of docetaxel resistance in a mouse model for BRCA1-mutated breast cancer. Methodology High resolution magic angle spinning (HRMAS) 1H MR spectroscopy was performed on tissue samples obtained from docetaxel-sensitive or -resistant BRCA1-mutated mammary tumors in mice. Measurements were performed on samples obtained before treatment and at 1-2, 3-5 and 6-7 days after a 25 mg/kg dose of docetaxel. The MR spectra were analyzed by multivariate analysis, followed by analysis of the signals of individual compounds by peak fitting and integration with normalization to the integral of the creatine signal and of all signals between 2.9 and 3.6 ppm. Results The HRMAS spectra revealed significant metabolic differences between sensitive and resistant tissue samples. In particular choline metabolites were higher in resistant tumors by more than 50% with respect to creatine and by more than 30% with respect to all signals between 2.9 and 3.6 ppm. Shortly after treatment (1-2 days) the normalized choline metabolite levels were significantly increased by more than 30% in the sensitive group coinciding with the time of highest apoptotic activity induced by docetaxel. Thereafter, choline metabolites in these tumors returned towards pre-treatment levels. No change in choline compounds was observed in the resistant tumors over the whole time of investigation. Conclusions Relative tissue concentrations of choline compounds are higher in docetaxel resistant than in sensitive BRCA1-mutated mouse mammary tumors, but in the first days after docetaxel treatment only in the sensitive tumors an increase of these compounds is observed. Thus both pre- and post-treatment tissue levels of choline compounds have potential to predict response to docetaxel treatment.
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Affiliation(s)
- Jack J A van Asten
- Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.
| | - Riyas Vettukattil
- Department of Circulation and Medical Imaging, Faculty of Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.
| | - Tessa Buckle
- Interventional Molecular Imaging Laboratory, Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands. .,Department of Molecular Pathology, The Netherlands Cancer Institute- Antoni van Leeuwenhoek hospital (NKI-AvL), Amsterdam, The Netherlands.
| | - Sven Rottenberg
- Department of Molecular Pathology, The Netherlands Cancer Institute- Antoni van Leeuwenhoek hospital (NKI-AvL), Amsterdam, The Netherlands.
| | - Fijs van Leeuwen
- Interventional Molecular Imaging Laboratory, Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands.
| | - Tone F Bathen
- Department of Circulation and Medical Imaging, Faculty of Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.
| | - Arend Heerschap
- Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.
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25
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Dokmanovic M, Wu WJ. Monitoring Trastuzumab Resistance and Cardiotoxicity: A Tale of Personalized Medicine. Adv Clin Chem 2015; 70:95-130. [PMID: 26231486 DOI: 10.1016/bs.acc.2015.03.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
While approval of trastuzumab, a recombinant monoclonal antibody directed against HER2, along with a diagnostic kit to detect breast cancers which are positive for HER2 overexpression, has advanced a new era of stratified and personalized medicine, it also created several challenges to our scientific and clinical practice. These problems include trastuzumab resistance and trastuzumab-induced cardiotoxicity. In this review, we will summarize data from the literature regarding mechanisms of trastuzumab resistance and trastuzumab-induced cardiotoxicity and present some promising model systems that may advance our understanding of these mechanisms. Our discussion will include development of circulating tumor cells and circulating tumor DNA for monitoring tumor burden, of patient-derived xenograft models for preclinical testing of novel therapies, and of novel therapeutic strategies for trastuzumab-resistance and possible integration of these strategies in the design of co-clinical studies for testing in relevant patient subpopulations.
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26
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Petkova R, Chelenkova P, Georgieva E, Chakarov S. What's your poison? Impact of individual repair capacity on the outcomes of genotoxic therapies in cancer. Part II - information content and validity of biomarkers for individual repair capacity in the assessment of outcomes of anticancer therapy. BIOTECHNOL BIOTEC EQ 2014; 28:2-7. [PMID: 26019482 PMCID: PMC4433894 DOI: 10.1080/13102818.2014.902532] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The individual variance in the efficiency of repair of damage induced by genotoxic therapies may be an important factor in the assessment of eligibility for different anticancer treatments, the outcomes of various treatments and the therapy-associated complications, including acute and delayed toxicity and acquired drug resistance. The second part of this paper analyses the currently available information about the possibilities of using experimentally obtained knowledge about individual repair capacity for the purposes of personalised medicine and healthcare.
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Affiliation(s)
- Rumena Petkova
- Scientific Technological Service (STS) , Sofia , Bulgaria
| | | | | | - Stoian Chakarov
- Sofia University "St. Kliment Ohridski", Faculty of Biology , Sofia , Bulgaria
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27
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Theile D, Gal Z, Warta R, Rigalli JP, Lahrmann B, Grabe N, Herold-Mende C, Dyckhoff G, Weiss J. Antiproliferative efficacies but minor drug transporter inducing effects of paclitaxel, cisplatin, or 5-fluorouracil in a murine xenograft model for head and neck squamous cell carcinoma. Cancer Biol Ther 2014; 15:436-42. [PMID: 24448417 DOI: 10.4161/cbt.27632] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Drug-induced multidrug resistance (MDR) has been linked to overexpression of drug transporting proteins in head and neck squamous cell carcinoma (HNSCC) in vitro. The aim of this work was to reassess these findings in a murine xenograft model. NOD-SCID mice xenotransplanted with 10 (6) HNO97 cells were treated for four consecutive weeks with weekly paclitaxel, biweekly cisplatin (both intraperitoneal), or 5-fluorouracil (5-FU, administered by osmotic pump). Tumor volume and body weight were weekly documented. Expression of drug transporters and Ki-67 marker were examined using quantitative real-time polymerase chain reaction and/or immunohistochemistry. Both paclitaxel and cisplatin significantly reduced tumor volumes after 2-3 weeks. 5-FU-treated animals had significantly lower body weights after 2 or 4 weeks of chemotherapy. None of the drugs affected expression of drug transporters at the mRNA level. However, P-glycoprotein (Pgp) protein expression was increased by paclitaxel (P<0.01). Ki-67 expression did not change during treatment irrespective of the drug applied. Paclitaxel and cisplatin are effectively tumor volume reducing drugs in a murine xenograft model of HNSCC. Paclitaxel enhanced Pgp expression at the protein level, but not at the mRNA level suggesting transcriptional induction to be of minor relevance. In contrast, posttranscriptional mechanisms or Darwinian selection of intrinsically drug transporter overexpressing MDR cells might lead to iatrogenic chemotherapy resistance in HNSCC.
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Affiliation(s)
- Dirk Theile
- Department of Clinical Pharmacology and Pharmacoepidemiology; University of Heidelberg; Heidelberg, Germany
| | - Zoltan Gal
- Experimental Neurosurgery Research; Department of Neurosurgery; University of Heidelberg; Heidelberg, Germany
| | - Rolf Warta
- Experimental Neurosurgery Research; Department of Neurosurgery; University of Heidelberg; Heidelberg, Germany; Molecular Cell Biology Group; Department of Otorhinolaryngology, Head and Neck Surgery; University of Heidelberg; Heidelberg, Germany
| | - Juan Pablo Rigalli
- Department of Clinical Pharmacology and Pharmacoepidemiology; University of Heidelberg; Heidelberg, Germany
| | - Bernd Lahrmann
- Hamamatsu Tissue Imaging and Analysis Center (TIGA); BIOQUANT; University of Heidelberg; Heidelberg, Germany; Institute of Pathology; University of Heidelberg; Heidelberg, Germany
| | - Niels Grabe
- Hamamatsu Tissue Imaging and Analysis Center (TIGA); BIOQUANT; University of Heidelberg; Heidelberg, Germany; National Center of Tumor Diseases; Medical Oncology; University of Heidelberg; Heidelberg, Germany
| | - Christel Herold-Mende
- Experimental Neurosurgery Research; Department of Neurosurgery; University of Heidelberg; Heidelberg, Germany; Molecular Cell Biology Group; Department of Otorhinolaryngology, Head and Neck Surgery; University of Heidelberg; Heidelberg, Germany
| | - Gerhard Dyckhoff
- Molecular Cell Biology Group; Department of Otorhinolaryngology, Head and Neck Surgery; University of Heidelberg; Heidelberg, Germany
| | - Johanna Weiss
- Department of Clinical Pharmacology and Pharmacoepidemiology; University of Heidelberg; Heidelberg, Germany
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28
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Abstract
Although advances in genomics during the last decade have opened new avenues for translational research and allowed the direct evaluation of clinical samples, there is still a need for reliable preclinical models to test therapeutic strategies. Human cancer-derived cell lines are the most widely used models to study the biology of cancer and to test hypotheses to improve the efficacy of cancer treatment. Since the development of the first cancer cell line, the clinical relevance of these models has been continuously questioned. Based upon recent studies that have fueled the debate, we review the major events in the development of the in vitro models and the emergence of new technologies that have revealed important issues and limitations concerning human cancer cell lines as models. All cancer cell lines do not have equal value as tumor models. Some have been successful, whereas others have failed. However, the success stories should not obscure the growing body of data that motivates us to develop new in vitro preclinical models that would substantially increase the success rate of new in vitro-assessed cancer treatments.
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Affiliation(s)
- Jean-Pierre Gillet
- Laboratory of Cell Biology, National Cancer Institute, 37 Convent Dr, Rm 2108, Bethesda, MD 20892, USA
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EZN-2208 (PEG-SN38) overcomes ABCG2-mediated topotecan resistance in BRCA1-deficient mouse mammary tumors. PLoS One 2012; 7:e45248. [PMID: 23028879 PMCID: PMC3444454 DOI: 10.1371/journal.pone.0045248] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2012] [Accepted: 08/16/2012] [Indexed: 12/12/2022] Open
Abstract
BRCA1 dysfunction in hereditary breast cancer causes defective homology-directed DNA repair and sensitivity towards DNA damaging agents like the clinically used topoisomerase I inhibitors topotecan and irinotecan. Using our conditional K14cre;Brca1F/F;p53F/F mouse model, we showed previously that BRCA1;p53-deficient mammary tumors initially respond to topotecan, but frequently acquire resistance by overexpression of the efflux transporter ABCG2. Here, we tested the pegylated SN38 compound EZN-2208 as a novel approach to treat BRCA1-mutated tumors that express ABCG2. We found that EZN-2208 therapy resulted in more pronounced and durable responses of ABCG2-positive tumors than topotecan or irinotecan therapy. We also evaluated tumor-specific ABCG2 inhibition by Ko143 in Abcg2−/− host animals that carried tumors with topotecan-induced ABCG2 expression. Addition of Ko143 moderately increased overall survival of these animals, but did not yield tumor responses like those seen after EZN-2208 therapy. Our results suggest that pegylation of Top1 inhibitors may be a useful strategy to circumvent efflux transporter-mediated resistance and to improve their efficacy in the clinic.
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30
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Borst P. Cancer drug pan-resistance: pumps, cancer stem cells, quiescence, epithelial to mesenchymal transition, blocked cell death pathways, persisters or what? Open Biol 2012; 2:120066. [PMID: 22724067 PMCID: PMC3376736 DOI: 10.1098/rsob.120066] [Citation(s) in RCA: 137] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2012] [Accepted: 04/27/2012] [Indexed: 12/11/2022] Open
Abstract
Although chemotherapy of tumours has scored successes, drug resistance remains the major cause of death of cancer patients. Initial treatment often leaves residual disease, from which the tumour regrows. Eventually, most tumours become resistant to all available chemotherapy. I call this pan-resistance to distinguish it from multi-drug resistance, usually describing resistance caused by upregulation of drug transporters, such as P-glycoprotein. In this review, I discuss mechanisms proposed to explain both residual disease and pan-resistance. Although plausible explanations are at hand for residual disease, pan-resistance is still a mystery. My conclusion is that it is time for a major effort to solve this mystery using the new genetically modified mouse tumour models that produce real tumours resembling cancer in human patients.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B, Member 1/antagonists & inhibitors
- ATP Binding Cassette Transporter, Subfamily B, Member 1/physiology
- ATP-Binding Cassette Transporters/physiology
- Animals
- Antineoplastic Agents/chemistry
- Antineoplastic Agents/pharmacokinetics
- Antineoplastic Agents/pharmacology
- Antineoplastic Agents/therapeutic use
- Biological Availability
- Blood-Brain Barrier
- Cell Cycle
- Cell Death/drug effects
- Chromatin Assembly and Disassembly
- Clonal Evolution
- DNA Repair
- DNA, Neoplasm/drug effects
- Drug Resistance, Neoplasm/genetics
- Drug Resistance, Neoplasm/physiology
- Epigenesis, Genetic
- Epithelial-Mesenchymal Transition
- Humans
- Mice
- Models, Biological
- Neoplasm Proteins/antagonists & inhibitors
- Neoplasm Proteins/physiology
- Neoplasm, Residual
- Neoplasms, Experimental/drug therapy
- Neoplastic Stem Cells/cytology
- Neoplastic Stem Cells/drug effects
- Neoplastic Stem Cells/metabolism
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Affiliation(s)
- Piet Borst
- Molecular Oncology , NKI-AVL , Plesmanlaan 121, Amsterdam, The Netherlands.
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