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Saman S, Srivastava N, Yasir M, Chauhan I. A Comprehensive Review on Current Treatments and Challenges Involved in the Treatment of Ovarian Cancer. Curr Cancer Drug Targets 2024; 24:142-166. [PMID: 37642226 DOI: 10.2174/1568009623666230811093139] [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: 01/20/2023] [Revised: 03/13/2023] [Accepted: 03/31/2023] [Indexed: 08/31/2023]
Abstract
Ovarian cancer (OC) is the second most common gynaecological malignancy. It typically affects females over the age of 50, and since 75% of cases are only discovered at stage III or IV, this is a sign of a poor diagnosis. Despite intraperitoneal chemotherapy's chemosensitivity, most patients relapse and face death. Early detection is difficult, but treatment is also difficult due to the route of administration, resistance to therapy with recurrence, and the need for precise cancer targeting to minimize cytotoxicity and adverse effects. On the other hand, undergoing debulking surgery becomes challenging, and therapy with many chemotherapeutic medications has manifested resistance, a condition known as multidrug resistance (MDR). Although there are other therapeutic options for ovarian cancer, this article solely focuses on co-delivery techniques, which work via diverse pathways to overcome cancer cell resistance. Different pathways contribute to MDR development in ovarian cancer; however, usually, pump and non-pump mechanisms are involved. Striking cancerous cells from several angles is important to defeat MDR. Nanocarriers are known to bypass the drug efflux pump found on cellular membranes to hit the pump mechanism. Nanocarriers aid in the treatment of ovarian cancer by enhancing the delivery of chemotherapeutic drugs to the tumour sites through passive or active targeting, thereby reducing unfavorable side effects on the healthy tissues. Additionally, the enhanced permeability and retention (EPR) mechanism boosts the bioavailability of the tumour site. To address the shortcomings of conventional delivery, the current review attempts to explain the current conventional treatment with special reference to passively and actively targeted drug delivery systems (DDSs) towards specific receptors developed to treat ovarian cancer. In conclusion, tailored nanocarriers would optimize medication delivery into the intracellular compartment before optimizing intra-tumour distribution. Other novel treatment possibilities for ovarian cancer include tumour vaccines, gene therapy, targeting epigenetic alteration, and biologically targeted compounds. These characteristics might enhance the therapeutic efficacy.
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Affiliation(s)
- Saika Saman
- Department of Pharmaceutics, Faculty of Pharmacy, Amity Institute of Pharmacy, Lucknow, Amity University Uttar Pradesh, Sector 125, Noida, 201313, India
| | - Nimisha Srivastava
- Department of Pharmaceutics, Faculty of Pharmacy, Amity Institute of Pharmacy, Lucknow, Amity University Uttar Pradesh, Sector 125, Noida, 201313, India
| | - Mohd Yasir
- Department of Pharmacy (Pharmaceutics), College of Health Sciences, Arsi University, Asella, Ethiopia
| | - Iti Chauhan
- Department of Pharmacy, I.T.S College of Pharmacy, Muradnagar, Ghaziabad, India
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Chowdhury I, Dashi G, Keskitalo S. CMGC Kinases in Health and Cancer. Cancers (Basel) 2023; 15:3838. [PMID: 37568654 PMCID: PMC10417348 DOI: 10.3390/cancers15153838] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/18/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
CMGC kinases, encompassing cyclin-dependent kinases (CDKs), mitogen-activated protein kinases (MAPKs), glycogen synthase kinases (GSKs), and CDC-like kinases (CLKs), play pivotal roles in cellular signaling pathways, including cell cycle regulation, proliferation, differentiation, apoptosis, and gene expression regulation. The dysregulation and aberrant activation of these kinases have been implicated in cancer development and progression, making them attractive therapeutic targets. In recent years, kinase inhibitors targeting CMGC kinases, such as CDK4/6 inhibitors and BRAF/MEK inhibitors, have demonstrated clinical success in treating specific cancer types. However, challenges remain, including resistance to kinase inhibitors, off-target effects, and the need for better patient stratification. This review provides a comprehensive overview of the importance of CMGC kinases in cancer biology, their involvement in cellular signaling pathways, protein-protein interactions, and the current state of kinase inhibitors targeting these kinases. Furthermore, we discuss the challenges and future perspectives in targeting CMGC kinases for cancer therapy, including potential strategies to overcome resistance, the development of more selective inhibitors, and novel therapeutic approaches, such as targeting protein-protein interactions, exploiting synthetic lethality, and the evolution of omics in the study of the human kinome. As our understanding of the molecular mechanisms and protein-protein interactions involving CMGC kinases expands, so too will the opportunities for the development of more selective and effective therapeutic strategies for cancer treatment.
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Affiliation(s)
- Iftekhar Chowdhury
- Institute of Biotechnology, University of Helsinki, 00014 Helsinki, Finland; (I.C.)
- Helsinki Institute of Life Science, University of Helsinki, 00014 Helsinki, Finland
| | - Giovanna Dashi
- Institute of Biotechnology, University of Helsinki, 00014 Helsinki, Finland; (I.C.)
- Helsinki Institute of Life Science, University of Helsinki, 00014 Helsinki, Finland
| | - Salla Keskitalo
- Institute of Biotechnology, University of Helsinki, 00014 Helsinki, Finland; (I.C.)
- Helsinki Institute of Life Science, University of Helsinki, 00014 Helsinki, Finland
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3
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Mendes I, Vale N. How Can the Microbiome Induce Carcinogenesis and Modulate Drug Resistance in Cancer Therapy? Int J Mol Sci 2023; 24:11855. [PMID: 37511612 PMCID: PMC10380870 DOI: 10.3390/ijms241411855] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/18/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023] Open
Abstract
Over the years, cancer has been affecting the lives of many people globally and it has become one of the most studied diseases. Despite the efforts to understand the cell mechanisms behind this complex disease, not every patient seems to respond to targeted therapies or immunotherapies. Drug resistance in cancer is one of the limiting factors contributing to unsuccessful therapies; therefore, understanding how cancer cells acquire this resistance is essential to help cure individuals affected by cancer. Recently, the altered microbiome was observed to be an important hallmark of cancer and therefore it represents a promising topic of cancer research. Our review aims to provide a global perspective of some cancer hallmarks, for instance how genetic and epigenetic modifications may be caused by an altered human microbiome. We also provide information on how an altered human microbiome can lead to cancer development as well as how the microbiome can influence drug resistance and ultimately targeted therapies. This may be useful to develop alternatives for cancer treatment, i.e., future personalized medicine that can help in cases where traditional cancer treatment is unsuccessful.
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Affiliation(s)
- Inês Mendes
- OncoPharma Research Group, Center for Health Technology and Services Research (CINTESIS), Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal;
- CINTESIS@RISE, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
- School of Life and Environmental Sciences, University of Trás-os-Montes and Alto Douro (UTAD), Edifício de Geociências, 5000-801 Vila Real, Portugal
| | - Nuno Vale
- OncoPharma Research Group, Center for Health Technology and Services Research (CINTESIS), Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal;
- CINTESIS@RISE, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
- Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS), Faculty of Medicine, University of Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
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Mishra S, Saito K. Clinically encountered growth phenotypes of tuberculosis-causing bacilli and their in vitro study: A review. Front Cell Infect Microbiol 2022; 12:1029111. [PMID: 36439231 PMCID: PMC9684195 DOI: 10.3389/fcimb.2022.1029111] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 10/20/2022] [Indexed: 07/11/2024] Open
Abstract
The clinical manifestations of tuberculosis (TB) vary widely in severity, site of infection, and outcomes of treatment-leading to simultaneous efforts to individualize therapy safely and to search for shorter regimens that can be successfully used across the clinical spectrum. In these endeavors, clinicians and researchers alike employ mycobacterial culture in rich media. However, even within the same patient, individual bacilli among the population can exhibit substantial variability in their culturability. Bacilli in vitro also demonstrate substantial heterogeneity in replication rate and cultivation requirements, as well as susceptibility to killing by antimicrobials. Understanding parallels in clinical, ex vivo and in vitro growth phenotype diversity may be key to identifying those phenotypes responsible for treatment failure, relapse, and the reactivation of bacilli that progresses TB infection to disease. This review briefly summarizes the current role of mycobacterial culture in the care of patients with TB and the ex vivo evidence of variability in TB culturability. We then discuss current advances in in vitro models that study heterogenous subpopulations within a genetically identical bulk culture, with an emphasis on the effect of oxidative stress on bacillary cultivation requirements. The review highlights the complexity that heterogeneity in mycobacterial growth brings to the interpretation of culture in clinical settings and research. It also underscores the intricacies present in the interplay between growth phenotypes and antimicrobial susceptibility. Better understanding of population dynamics and growth requirements over time and space promises to aid both the attempts to individualize TB treatment and to find uniformly effective therapies.
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Affiliation(s)
- Saurabh Mishra
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, NY, United States
| | - Kohta Saito
- Department of Medicine, Weill Cornell Medicine, New York, NY, United States
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5
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Construction of chitooligosaccharide-based nanoparticles of pH/redox cascade responsive for co-loading cyclosporin A and AZD9291. Carbohydr Polym 2022; 291:119619. [DOI: 10.1016/j.carbpol.2022.119619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 04/29/2022] [Accepted: 05/10/2022] [Indexed: 11/18/2022]
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Clonal evolution and expansion associated with therapy resistance and relapse of colorectal cancer. MUTATION RESEARCH. REVIEWS IN MUTATION RESEARCH 2022; 790:108445. [PMID: 36371022 DOI: 10.1016/j.mrrev.2022.108445] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 11/01/2022] [Accepted: 11/07/2022] [Indexed: 11/10/2022]
Abstract
Colorectal cancer (CRC) arises by a continuous process of genetic diversification and clonal evolution. Multiple genes and pathways have a role in tumor initiation and progression. The gradual accumulation of genetic and epigenetic processes leads to the establishment of adenoma and cancer. The important 'driver' mutations in tumor suppressor genes (such as TP53, APC, and SMAD4) and oncogenes (such as KRAS, NRAS, MET, and PIK3CA) confer selective growth advantages and cause CRC advancement. Clonal evolution induced by therapeutic pressure, as well as intra-tumoral heterogeneity, has been a great challenge in the treatment of metastatic CRC. Tumors often develop resistance to treatments as a result of intra-tumor heterogeneity, clonal evolution, and selection. Hence, the development of a multidrug personalized approach should be prioritized to pave the way for therapeutics repurposing and combination therapy to arrest tumor progression. This review summarizes how selective drug pressure can impact tumor evolution, resulting in the formation of polyclonal resistance mechanisms, ultimately promoting cancer progression. Current strategies for targeting clonal evolution are described. By understanding sources and consequences of tumor heterogeneity, customized and effective treatment plans to combat drug resistance may be devised.
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Tyner JW, Haderk F, Kumaraswamy A, Baughn LB, Van Ness B, Liu S, Marathe H, Alumkal JJ, Bivona TG, Chan KS, Druker BJ, Hutson AD, Nelson PS, Sawyers CL, Willey CD. Understanding Drug Sensitivity and Tackling Resistance in Cancer. Cancer Res 2022; 82:1448-1460. [PMID: 35195258 PMCID: PMC9018544 DOI: 10.1158/0008-5472.can-21-3695] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 01/21/2022] [Accepted: 02/15/2022] [Indexed: 11/16/2022]
Abstract
Decades of research into the molecular mechanisms of cancer and the development of novel therapeutics have yielded a number of remarkable successes. However, our ability to broadly assign effective, rationally targeted therapies in a personalized manner remains elusive for many patients, and drug resistance persists as a major problem. This is in part due to the well-documented heterogeneity of cancer, including the diversity of tumor cell lineages and cell states, the spectrum of somatic mutations, the complexity of microenvironments, and immune-suppressive features and immune repertoires, which collectively require numerous different therapeutic approaches. Here, we describe a framework to understand the types and biological causes of resistance, providing translational opportunities to tackle drug resistance by rational therapeutic strategies.
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Affiliation(s)
- Jeffrey W. Tyner
- Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon
- Department of Cell, Developmental and Cancer Biology, Oregon Health & Science University, Portland, Oregon
| | - Franziska Haderk
- Department of Medicine, University of California, San Francisco, San Francisco, California
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, California
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, San Francisco, California
| | | | - Linda B. Baughn
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota
| | - Brian Van Ness
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, Minnesota
| | - Song Liu
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Himangi Marathe
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Joshi J. Alumkal
- Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan
| | - Trever G. Bivona
- Department of Medicine, University of California, San Francisco, San Francisco, California
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, California
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, San Francisco, California
| | - Keith Syson Chan
- Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute, Los Angeles, California
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, California
| | - Brian J. Druker
- Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon
- Department of Cell, Developmental and Cancer Biology, Oregon Health & Science University, Portland, Oregon
| | - Alan D. Hutson
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Peter S. Nelson
- Division of Oncology, Department of Medicine, University of Washington, Seattle, Washington
- Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Charles L. Sawyers
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York City, New York
- Howard Hughes Medical Institute, Chevy Chase, Maryland
| | - Christopher D. Willey
- Department of Radiation Oncology, University of Alabama at Birmingham, Birmingham, Alabama
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Nance RL, Cooper SJ, Starenki D, Wang X, Matz B, Lindley S, Smith AN, Smith AA, Bergman N, Sandey M, Koehler J, Agarwal P, Smith BF. Transcriptomic Analysis of Canine Osteosarcoma from a Precision Medicine Perspective Reveals Limitations of Differential Gene Expression Studies. Genes (Basel) 2022; 13:genes13040680. [PMID: 35456486 PMCID: PMC9031617 DOI: 10.3390/genes13040680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 04/01/2022] [Accepted: 04/11/2022] [Indexed: 11/18/2022] Open
Abstract
Despite significant advances in cancer diagnosis and treatment, osteosarcoma (OSA), an aggressive primary bone tumor, has eluded attempts at improving patient survival for many decades. The difficulty in managing OSA lies in its extreme genetic complexity, drug resistance, and heterogeneity, making it improbable that a single-target treatment would be beneficial for the majority of affected individuals. Precision medicine seeks to fill this gap by addressing the intra- and inter-tumoral heterogeneity to improve patient outcome and survival. The characterization of differentially expressed genes (DEGs) unique to the tumor provides insight into the phenotype and can be useful for informing appropriate therapies as well as the development of novel treatments. Traditional DEG analysis combines patient data to derive statistically inferred genes that are dysregulated in the group; however, the results from this approach are not necessarily consistent across individual patients, thus contradicting the basis of precision medicine. Spontaneously occurring OSA in the dog shares remarkably similar clinical, histological, and molecular characteristics to the human disease and therefore serves as an excellent model. In this study, we use transcriptomic sequencing of RNA isolated from primary OSA tumor and patient-matched normal bone from seven dogs prior to chemotherapy to identify DEGs in the group. We then evaluate the universality of these changes in transcript levels across patients to identify DEGs at the individual level. These results can be useful for reframing our perspective of transcriptomic analysis from a precision medicine perspective by identifying variations in DEGs among individuals.
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Affiliation(s)
- Rebecca L. Nance
- Scott-Ritchey Research Center, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (R.L.N.); (X.W.); (P.A.)
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (M.S.); (J.K.)
| | - Sara J. Cooper
- HudsonAlpha Institute for Biotechnology, Huntsville, AL 35806, USA; (S.J.C.); (D.S.)
| | - Dmytro Starenki
- HudsonAlpha Institute for Biotechnology, Huntsville, AL 35806, USA; (S.J.C.); (D.S.)
| | - Xu Wang
- Scott-Ritchey Research Center, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (R.L.N.); (X.W.); (P.A.)
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (M.S.); (J.K.)
- HudsonAlpha Institute for Biotechnology, Huntsville, AL 35806, USA; (S.J.C.); (D.S.)
- Center for Advanced Science, Innovation, and Commerce, Alabama Agricultural Experiment Station, Auburn, AL 36849, USA
| | - Brad Matz
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (B.M.); (S.L.); (A.N.S.); (A.A.S.); (N.B.)
| | - Stephanie Lindley
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (B.M.); (S.L.); (A.N.S.); (A.A.S.); (N.B.)
| | - Annette N. Smith
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (B.M.); (S.L.); (A.N.S.); (A.A.S.); (N.B.)
| | - Ashley A. Smith
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (B.M.); (S.L.); (A.N.S.); (A.A.S.); (N.B.)
| | - Noelle Bergman
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (B.M.); (S.L.); (A.N.S.); (A.A.S.); (N.B.)
| | - Maninder Sandey
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (M.S.); (J.K.)
| | - Jey Koehler
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (M.S.); (J.K.)
| | - Payal Agarwal
- Scott-Ritchey Research Center, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (R.L.N.); (X.W.); (P.A.)
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (M.S.); (J.K.)
| | - Bruce F. Smith
- Scott-Ritchey Research Center, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (R.L.N.); (X.W.); (P.A.)
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (M.S.); (J.K.)
- Correspondence: ; Tel.: +1-334-844-5587
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9
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Fischer TR, Meidner L, Schwickert M, Weber M, Zimmermann RA, Kersten C, Schirmeister T, Helm M. Chemical biology and medicinal chemistry of RNA methyltransferases. Nucleic Acids Res 2022; 50:4216-4245. [PMID: 35412633 PMCID: PMC9071492 DOI: 10.1093/nar/gkac224] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/17/2022] [Accepted: 04/08/2022] [Indexed: 12/24/2022] Open
Abstract
RNA methyltransferases (MTases) are ubiquitous enzymes whose hitherto low profile in medicinal chemistry, contrasts with the surging interest in RNA methylation, the arguably most important aspect of the new field of epitranscriptomics. As MTases become validated as drug targets in all major fields of biomedicine, the development of small molecule compounds as tools and inhibitors is picking up considerable momentum, in academia as well as in biotech. Here we discuss the development of small molecules for two related aspects of chemical biology. Firstly, derivates of the ubiquitous cofactor S-adenosyl-l-methionine (SAM) are being developed as bioconjugation tools for targeted transfer of functional groups and labels to increasingly visible targets. Secondly, SAM-derived compounds are being investigated for their ability to act as inhibitors of RNA MTases. Drug development is moving from derivatives of cosubstrates towards higher generation compounds that may address allosteric sites in addition to the catalytic centre. Progress in assay development and screening techniques from medicinal chemistry have led to recent breakthroughs, e.g. in addressing human enzymes targeted for their role in cancer. Spurred by the current pandemic, new inhibitors against coronaviral MTases have emerged at a spectacular rate, including a repurposed drug which is now in clinical trial.
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Affiliation(s)
- Tim R Fischer
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University Mainz, Staudingerweg 5, 55128Mainz, Germany
| | - Laurenz Meidner
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University Mainz, Staudingerweg 5, 55128Mainz, Germany
| | - Marvin Schwickert
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University Mainz, Staudingerweg 5, 55128Mainz, Germany
| | - Marlies Weber
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University Mainz, Staudingerweg 5, 55128Mainz, Germany
| | - Robert A Zimmermann
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University Mainz, Staudingerweg 5, 55128Mainz, Germany
| | - Christian Kersten
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University Mainz, Staudingerweg 5, 55128Mainz, Germany
| | - Tanja Schirmeister
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University Mainz, Staudingerweg 5, 55128Mainz, Germany
| | - Mark Helm
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University Mainz, Staudingerweg 5, 55128Mainz, Germany
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10
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Coluccia A, Bufano M, La Regina G, Puxeddu M, Toto A, Paone A, Bouzidi A, Musto G, Badolati N, Orlando V, Biagioni S, Masci D, Cantatore C, Cirilli R, Cutruzzolà F, Gianni S, Stornaiuolo M, Silvestri R. Anticancer Activity of ( S)-5-Chloro-3-((3,5-dimethylphenyl)sulfonyl)- N-(1-oxo-1-((pyridin-4-ylmethyl)amino)propan-2-yl)-1 H-indole-2-carboxamide (RS4690), a New Dishevelled 1 Inhibitor. Cancers (Basel) 2022; 14:cancers14051358. [PMID: 35267666 PMCID: PMC8909805 DOI: 10.3390/cancers14051358] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 02/23/2022] [Accepted: 03/04/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary The WNT/β-catenin pathway regulates a huge number of cellular functions, and its dysregulation is correlated to the development of cancer. In this work, we focused on the interaction between Dishevelled 1 (DVL1) protein, an important player in this pathway, and its cognate receptor Frizzled via a shared PDZ domain. Computational studies led to the discovery of racemate RS4690 (1) showing selective inhibition of DVL1 binding. After separation of the racemic mixture, enantiomer (S)-1 inhibited DVL1 with an EC50 of 0.49 ± 0.11 μM and the growth of HCT116 cells that did not present the APC mutation with an EC50 value 7.1 ± 0.6 μM, and caused a high level of ROS production. Compound (S)-1 shows potential as a new therapeutic agent against WNT-dependent colon cancer. Abstract Wingless/integrase-11 (WNT)/β-catenin pathway is a crucial upstream regulator of a huge array of cellular functions. Its dysregulation is correlated to neoplastic cellular transition and cancer proliferation. Members of the Dishevelled (DVL) family of proteins play an important role in the transduction of WNT signaling by contacting its cognate receptor, Frizzled, via a shared PDZ domain. Thus, negative modulators of DVL1 are able to impair the binding to Frizzled receptors, turning off the aberrant activation of the WNT pathway and leading to anti-cancer activity. Through structure-based virtual screening studies, we identified racemic compound RS4690 (1), which showed a promising selective DVL1 binding inhibition with an EC50 of 0.74 ± 0.08 μM. Molecular dynamic simulations suggested a different binding mode for the enantiomers. In the in vitro assays, enantiomer (S)-1 showed better inhibition of DVL1 with an EC50 of 0.49 ± 0.11 μM compared to the (R)-enantiomer. Compound (S)-1 inhibited the growth of HCT116 cells expressing wild-type APC with an EC50 of 7.1 ± 0.6 μM and caused a high level of ROS production. These results highlight (S)-1 as a lead compound for the development of new therapeutic agents against WNT-dependent colon cancer.
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Affiliation(s)
- Antonio Coluccia
- Laboratory Affiliated with the Institute Pasteur Italy—Cenci Bolognetti Foundation, Department of Drug Chemistry and Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; (A.C.); (M.B.); (G.L.R.); (M.P.)
| | - Marianna Bufano
- Laboratory Affiliated with the Institute Pasteur Italy—Cenci Bolognetti Foundation, Department of Drug Chemistry and Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; (A.C.); (M.B.); (G.L.R.); (M.P.)
| | - Giuseppe La Regina
- Laboratory Affiliated with the Institute Pasteur Italy—Cenci Bolognetti Foundation, Department of Drug Chemistry and Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; (A.C.); (M.B.); (G.L.R.); (M.P.)
| | - Michela Puxeddu
- Laboratory Affiliated with the Institute Pasteur Italy—Cenci Bolognetti Foundation, Department of Drug Chemistry and Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; (A.C.); (M.B.); (G.L.R.); (M.P.)
| | - Angelo Toto
- Laboratory Affiliated with the Institute Pasteur Italy—Cenci Bolognetti Foundation, Biochemical Sciences “Rossi Fanelli”, Institute of Biology and Molecular Pathology of CNR, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy; (A.T.); (A.P.); (A.B.); (F.C.); (S.G.)
| | - Alessio Paone
- Laboratory Affiliated with the Institute Pasteur Italy—Cenci Bolognetti Foundation, Biochemical Sciences “Rossi Fanelli”, Institute of Biology and Molecular Pathology of CNR, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy; (A.T.); (A.P.); (A.B.); (F.C.); (S.G.)
| | - Amani Bouzidi
- Laboratory Affiliated with the Institute Pasteur Italy—Cenci Bolognetti Foundation, Biochemical Sciences “Rossi Fanelli”, Institute of Biology and Molecular Pathology of CNR, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy; (A.T.); (A.P.); (A.B.); (F.C.); (S.G.)
| | - Giorgia Musto
- Department of Pharmacy, University of Naples “Federico II”, Via Domenico Montesano, 80131 Naples, Italy; (G.M.); (N.B.); (M.S.)
| | - Nadia Badolati
- Department of Pharmacy, University of Naples “Federico II”, Via Domenico Montesano, 80131 Naples, Italy; (G.M.); (N.B.); (M.S.)
| | - Viviana Orlando
- Department of Biology and Biotechnologies “Charles Darwin”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Roma, Italy; (V.O.); (S.B.)
| | - Stefano Biagioni
- Department of Biology and Biotechnologies “Charles Darwin”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Roma, Italy; (V.O.); (S.B.)
| | - Domiziana Masci
- Department of Basic Biotechnological Sciences, Intensivological and Perioperative Clinics, Catholic University of Sacred Heart, Largo Francesco Vito 1, 00168 Rome, Italy;
| | - Chiara Cantatore
- National Center for the Control and Evaluation of Drugs, Istituto Superiore di Sanità, Rome, Viale Regina Elena 299, 00161 Rome, Italy; (C.C.); (R.C.)
| | - Roberto Cirilli
- National Center for the Control and Evaluation of Drugs, Istituto Superiore di Sanità, Rome, Viale Regina Elena 299, 00161 Rome, Italy; (C.C.); (R.C.)
| | - Francesca Cutruzzolà
- Laboratory Affiliated with the Institute Pasteur Italy—Cenci Bolognetti Foundation, Biochemical Sciences “Rossi Fanelli”, Institute of Biology and Molecular Pathology of CNR, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy; (A.T.); (A.P.); (A.B.); (F.C.); (S.G.)
| | - Stefano Gianni
- Laboratory Affiliated with the Institute Pasteur Italy—Cenci Bolognetti Foundation, Biochemical Sciences “Rossi Fanelli”, Institute of Biology and Molecular Pathology of CNR, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy; (A.T.); (A.P.); (A.B.); (F.C.); (S.G.)
| | - Mariano Stornaiuolo
- Department of Pharmacy, University of Naples “Federico II”, Via Domenico Montesano, 80131 Naples, Italy; (G.M.); (N.B.); (M.S.)
| | - Romano Silvestri
- Laboratory Affiliated with the Institute Pasteur Italy—Cenci Bolognetti Foundation, Department of Drug Chemistry and Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; (A.C.); (M.B.); (G.L.R.); (M.P.)
- Correspondence:
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11
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Timilsina M, Kernan DPM, Yang H, d'Aquin M. Synergy Between Embedding and Protein Functional Association Networks for Drug Label Prediction Using Harmonic Function. IEEE/ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS 2022; 19:1203-1213. [PMID: 33064647 DOI: 10.1109/tcbb.2020.3031696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Semi-Supervised Learning (SSL)is an approach to machine learning that makes use of unlabeled data for training with a small amount of labeled data. In the context of molecular biology and pharmacology, one can take advantage of unlabeled data. For instance, to identify drugs and targets where a few genes are known to be associated with a specific target for drugs and considered as labeled data. Labeling the genes requires laboratory verification and validation. This process is usually very time consuming and expensive. Thus, it is useful to estimate the functional role of drugs from unlabeled data using computational methods. To develop such a model, we used openly available data resources to create (i)drugs and genes, (ii)genes and disease, bipartite graphs. We constructed the genetic embedding graph from the two bipartite graphs using Tensor Factorization methods. We integrated the genetic embedding graph with the publicly available protein functional association network. Our results show the usefulness of the integration by effectively predicting drug labels.
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12
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Zandi Z, Kashani B, Alishahi Z, Pourbagheri-Sigaroodi A, Esmaeili F, Ghaffari SH, Bashash D, Momeny M. Dual-specificity phosphatases: therapeutic targets in cancer therapy resistance. J Cancer Res Clin Oncol 2022; 148:57-70. [PMID: 34981193 DOI: 10.1007/s00432-021-03874-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 11/25/2021] [Indexed: 10/19/2022]
Abstract
PURPOSE Therapy resistance is the principal obstacle to achieving cures in cancer patients and its successful tackling requires a deep understanding of the resistance mediators. Increasing evidence indicates that tumor phosphatases are novel and druggable targets in translational oncology and their modulation may hinder tumor growth and motility and potentiate therapeutic sensitivity in various neoplasms via regulation of various signal transduction pathways. Dual-specificity phosphatases (DUSPs) are key players of cell growth, survival and death and have essential roles in tumor initiation, malignant progression and therapy resistance through regulation of the MAPK signaling pathway. In this review, different aspects of DUSPs are discussed. METHODS A comprehensive literature review was performed using various websites including PubMed. RESULTS We provide mechanistic insights into the roles of well-known DUSPs in resistance to a wide range of cancer therapeutic approaches including chemotherapy, radiation and molecular targeted therapy in human malignancies. Moreover, we discuss the development of DUSP modulators, with a focus on DUSP1 and 6 inhibitors. Ultimately, the preclinical investigations of small molecule inhibitors of DUSP1 and 6 are outlined. CONCLUSION Emerging evidence indicates that the DUSP family is aberrantly expressed in human malignancies and plays critical roles in determining sensitivity to a wide range of cancer therapeutic strategies through regulation of the MAPK signaling pathways. Consequently, targeting DUSPs and their downstream molecules can pave the way for more effective cancer therapies.
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Affiliation(s)
- Zahra Zandi
- Hematology/Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Bahareh Kashani
- Hematology/Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Zivar Alishahi
- Hematology/Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Atieh Pourbagheri-Sigaroodi
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fatemeh Esmaeili
- Hematology/Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed H Ghaffari
- Hematology/Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Davood Bashash
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Majid Momeny
- Hematology/Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran.
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13
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Kushwaha S, Mukherjee S, Chowdhury R, Chowdhury S. Analysis of Transcriptomic Data Generated from Drug-Treated Cancer Cell Line. Methods Mol Biol 2022; 2535:119-129. [PMID: 35867227 DOI: 10.1007/978-1-0716-2513-2_10] [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] [Indexed: 06/15/2023]
Abstract
Resistance to chemotherapy is one major obstacle in current cancer treatment. Therefore, understanding the molecular basis of the acquisition of resistance is vital for the design and development of appropriate cancer therapy. Importantly, acquisition of resistance is not a single-step process, and the molecular signature of cells dynamically changes during this process. With the advent of next-generation omic technologies, today one can precisely map the molecular alterations not only in a population of tumor cells but also at the single-cell level as they attain chemo-resistance. In this chapter, we describe a detailed transcriptomic pipeline following next-generation sequencing for mapping alteration in expression during the process of attainment of resistance. We provide comprehensive information on the process to (1) track the differential expression of transcripts, (2) understand the gene ontology functions, (3) filter out candidate key genes, (4) identify the pathways regulated by them, and (5) generate a map of their probable interactions. We assume that our analytical method will be useful for research in this direction.
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Affiliation(s)
- Swarnima Kushwaha
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani, Rajasthan, India
| | - Sudeshna Mukherjee
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani, Rajasthan, India
| | - Rajdeep Chowdhury
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani, Rajasthan, India
| | - Shibasish Chowdhury
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani, Rajasthan, India.
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14
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Pechlivanis M, Campbell BK, Hovens CM, Corcoran NM. Biomarkers of Response to Neoadjuvant Androgen Deprivation in Localised Prostate Cancer. Cancers (Basel) 2021; 14:cancers14010166. [PMID: 35008330 PMCID: PMC8750084 DOI: 10.3390/cancers14010166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/15/2021] [Accepted: 12/22/2021] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Prostate cancer is the second leading cause of cancer deaths in men. Attempts to improve patient outcomes include trials of neoadjuvant androgen deprivation therapy for patients with high-risk disease. Neoadjuvant treatment refers to androgen deprivation therapy that is administered prior to surgery (or radiation therapy). Patients typically respond well to this treatment regimen, showing a decrease in tumour size, but a significant proportion of patients eventually relapse and progress to metastatic disease. The mechanisms driving this resistance to neoadjuvant treatment are currently unknown. This review explores theories of resistance broadly, and their possible applications in the prostate cancer setting. Additionally, this review draws comparisons between breakthrough resistance and neoadjuvant resistance, and lastly investigates the current biomarkers for treatment sensitivity. Abstract Prostate cancer (PCa) is a hormone driven cancer, characterised by defects in androgen receptor signalling which drive the disease process. As such, androgen targeted therapies have been the mainstay for PCa treatment for over 70 years. High-risk PCa presents unique therapeutic challenges, namely in minimising the primary tumour, and eliminating any undetected micro metastases. Trials of neoadjuvant androgen deprivation therapy aim to address these challenges. Patients typically respond well to neoadjuvant treatment, showing regression of the primary tumour and negative surgical margins at the time of resection, however the majority of patients relapse and progress to metastatic disease. The mechanisms affording this resistance are largely unknown. This commentary attempts to explore theories of resistance more broadly, namely, clonal evolution, cancer stem cells, cell persistence, and drug tolerance. Moreover, it aims to explore the application of these theories in the PCa setting. This commentary also highlights the distinction between castration resistant PCa, and neoadjuvant resistant disease, and identifies the markers and characteristics of neoadjuvant resistant disease presented by current literature.
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Affiliation(s)
- Maree Pechlivanis
- Department of Surgery, University of Melbourne, Parkville, VIC 3050, Australia; (B.K.C.); (C.M.H.); (N.M.C.)
- Correspondence: ; Tel.: +61-3-9342-7294; Fax: +61-3-9342-8928
| | - Bethany K. Campbell
- Department of Surgery, University of Melbourne, Parkville, VIC 3050, Australia; (B.K.C.); (C.M.H.); (N.M.C.)
| | - Christopher M. Hovens
- Department of Surgery, University of Melbourne, Parkville, VIC 3050, Australia; (B.K.C.); (C.M.H.); (N.M.C.)
| | - Niall M. Corcoran
- Department of Surgery, University of Melbourne, Parkville, VIC 3050, Australia; (B.K.C.); (C.M.H.); (N.M.C.)
- Department of Urology, Royal Melbourne Hospital, Parkville, VIC 3050, Australia
- Department of Urology, Western Health, Footscray, VIC 3011, Australia
- Victorian Comprehensive Cancer Centre, Melbourne, VIC 3000, Australia
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15
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Downes CEJ, McClure BJ, Bruning JB, Page E, Breen J, Rehn J, Yeung DT, White DL. Acquired JAK2 mutations confer resistance to JAK inhibitors in cell models of acute lymphoblastic leukemia. NPJ Precis Oncol 2021; 5:75. [PMID: 34376782 PMCID: PMC8355279 DOI: 10.1038/s41698-021-00215-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 07/20/2021] [Indexed: 11/24/2022] Open
Abstract
Ruxolitinib (rux) Phase II clinical trials are underway for the treatment of high-risk JAK2-rearranged (JAK2r) B-cell acute lymphoblastic leukemia (B-ALL). Treatment resistance to targeted inhibitors in other settings is common; elucidating potential mechanisms of rux resistance in JAK2r B-ALL will enable development of therapeutic strategies to overcome or avert resistance. We generated a murine pro-B cell model of ATF7IP-JAK2 with acquired resistance to multiple type-I JAK inhibitors. Resistance was associated with mutations within the JAK2 ATP/rux binding site, including a JAK2 p.G993A mutation. Using in vitro models of JAK2r B-ALL, JAK2 p.G993A conferred resistance to six type-I JAK inhibitors and the type-II JAK inhibitor, CHZ-868. Using computational modeling, we postulate that JAK2 p.G993A enabled JAK2 activation in the presence of drug binding through a unique resistance mechanism that modulates the mobility of the conserved JAK2 activation loop. This study highlights the importance of monitoring mutation emergence and may inform future drug design and the development of therapeutic strategies for this high-risk patient cohort.
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Affiliation(s)
- Charlotte E J Downes
- Cancer Program, Precision Medicine Theme, South Australian Health & Medical Research Institute (SAHMRI), Adelaide, SA, Australia
- School of Biological Sciences, University of Adelaide, Adelaide, SA, Australia
| | - Barbara J McClure
- Cancer Program, Precision Medicine Theme, South Australian Health & Medical Research Institute (SAHMRI), Adelaide, SA, Australia
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, SA, Australia
| | - John B Bruning
- Institute of Photonics and Advanced Sensing, School of Biological Sciences, University of Adelaide, Adelaide, SA, Australia
| | - Elyse Page
- Cancer Program, Precision Medicine Theme, South Australian Health & Medical Research Institute (SAHMRI), Adelaide, SA, Australia
- School of Biological Sciences, University of Adelaide, Adelaide, SA, Australia
| | - James Breen
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, SA, Australia
- Computational and Systems Biology Program, South Australian Health & Medical Research Institute (SAHMRI), Adelaide, SA, Australia
- Robinson Research Institute, University of Adelaide, Adelaide, SA, Australia
| | - Jacqueline Rehn
- Cancer Program, Precision Medicine Theme, South Australian Health & Medical Research Institute (SAHMRI), Adelaide, SA, Australia
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, SA, Australia
| | - David T Yeung
- Cancer Program, Precision Medicine Theme, South Australian Health & Medical Research Institute (SAHMRI), Adelaide, SA, Australia
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, SA, Australia
- Department of Haematology, Royal Adelaide Hospital and SA Pathology, Adelaide, SA, Australia
| | - Deborah L White
- Cancer Program, Precision Medicine Theme, South Australian Health & Medical Research Institute (SAHMRI), Adelaide, SA, Australia.
- School of Biological Sciences, University of Adelaide, Adelaide, SA, Australia.
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, SA, Australia.
- Australian Genomics Health Alliance (AGHA), The Murdoch Children's Research Institute, Parkville, VIC, Australia.
- Australian and New Zealand Children's Oncology Group (ANZCHOG), Clayton, VIC, Australia.
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16
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Gurule NJ, McCoach CE, Hinz TK, Merrick DT, Van Bokhoven A, Kim J, Patil T, Calhoun J, Nemenoff RA, Tan AC, Doebele RC, Heasley LE. A tyrosine kinase inhibitor-induced interferon response positively associates with clinical response in EGFR-mutant lung cancer. NPJ Precis Oncol 2021; 5:41. [PMID: 34001994 PMCID: PMC8129124 DOI: 10.1038/s41698-021-00181-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 04/21/2021] [Indexed: 02/07/2023] Open
Abstract
Tyrosine kinase inhibitors (TKIs) targeting EGFR-mutant lung cancers promote a range of tumor regression responses to yield variable residual disease, a likely incubator for acquired resistance. Herein, rapid transcriptional responses induced by TKIs early in treatment that associate with the range of patient responses were explored. RNAseq was performed on EGFR mutant cell lines treated in vitro with osimertinib and on tumor biopsies of eight EGFR mutant lung cancer patients before and after 2 weeks of TKI treatment. Data were evaluated for gene expression programs altered upon TKI treatment. Chemokine and cytokine expression were measured by ELISA and quantitative RT-PCR. IκB Kinase (IKK) and JAK-STAT pathway dependence was tested with pharmacologic and molecular inhibitors. Tumor sections were stained for the T-cell marker CD3. Osimertinib stimulated dynamic, yet wide-ranging interferon (IFN) program regulation in EGFR mutant cell lines. IL6 and CXCL10 induction varied markedly among the EGFR mutant cell lines and was sensitive to IKK and JAK-STAT inhibitors. Analysis of matched patient biopsy pairs revealed marked, yet varied enrichment of IFN transcriptional programs, effector immune cell signatures and T-cell content in treated tumors that positively correlated with time to progression in the patients. EGFR-specific TKIs induce wide-ranging IFN response program activation originating within the cancer cell. The strong association of IFN program induction and duration of clinical response indicates that the TKI-induced IFN program instructs variable recruitment and participation of immune cells in the overall therapeutic response.
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Affiliation(s)
- Natalia J Gurule
- Department of Craniofacial Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Caroline E McCoach
- Department of Medicine and Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Trista K Hinz
- Department of Craniofacial Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Daniel T Merrick
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Adriaan Van Bokhoven
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Jihye Kim
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Tejas Patil
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Jacob Calhoun
- Department of Craniofacial Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Raphael A Nemenoff
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | | | - Robert C Doebele
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
| | - Lynn E Heasley
- Department of Craniofacial Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
- Eastern Colorado VA Healthcare System, Rocky Mountain Regional VA Medical Center, Aurora, CO, USA.
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Russo M, Sogari A, Bardelli A. Adaptive Evolution: How Bacteria and Cancer Cells Survive Stressful Conditions and Drug Treatment. Cancer Discov 2021; 11:1886-1895. [PMID: 33952585 DOI: 10.1158/2159-8290.cd-20-1588] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Cancer is characterized by loss of the regulatory mechanisms that preserve homeostasis in multicellular organisms, such as controlled proliferation, cell-cell adhesion, and tissue differentiation. The breakdown of multicellularity rules is accompanied by activation of "selfish," unicellular-like life features, which are linked to the increased adaptability to environmental changes displayed by cancer cells. Mechanisms of stress response, resembling those observed in unicellular organisms, are actively exploited by mammalian cancer cells to boost genetic diversity and increase chances of survival under unfavorable conditions, such as lack of oxygen/nutrients or exposure to drugs. Unicellular organisms under stressful conditions (e.g., antibiotic treatment) stop replicating or slowly divide and transiently increase their mutation rates to foster diversity, a process known as adaptive mutability. Analogously, tumor cells exposed to drugs enter a persister phenotype and can reduce DNA replication fidelity, which in turn fosters genetic diversity. The implications of adaptive evolution are of relevance to understand resistance to anticancer therapies.
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Affiliation(s)
- Mariangela Russo
- Department of Oncology, University of Torino, Candiolo 10060, Italy. Candiolo Cancer Institute, FPO-IRCCS, Candiolo 10060, Italy.
| | - Alberto Sogari
- Department of Oncology, University of Torino, Candiolo 10060, Italy. Candiolo Cancer Institute, FPO-IRCCS, Candiolo 10060, Italy
| | - Alberto Bardelli
- Department of Oncology, University of Torino, Candiolo 10060, Italy. Candiolo Cancer Institute, FPO-IRCCS, Candiolo 10060, Italy.
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18
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Liu Y, Duan C, Zhang C. E3 Ubiquitin Ligase in Anticancer Drugdsla Resistance: Recent Advances and Future Potential. Front Pharmacol 2021; 12:645864. [PMID: 33935743 PMCID: PMC8082683 DOI: 10.3389/fphar.2021.645864] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Accepted: 02/24/2021] [Indexed: 12/31/2022] Open
Abstract
Drug therapy is the primary treatment for patients with advanced cancer. The use of anticancer drugs will inevitably lead to drug resistance, which manifests as tumor recurrence. Overcoming chemoresistance may enable cancer patients to have better therapeutic effects. However, the mechanisms underlying drug resistance are poorly understood. E3 ubiquitin ligases (E3s) are a large class of proteins, and there are over 800 putative functional E3s. E3s play a crucial role in substrate recognition and catalyze the final step of ubiquitin transfer to specific substrate proteins. The diversity of the set of substrates contributes to the diverse functions of E3s, indicating that E3s could be desirable drug targets. The E3s MDM2, FBWX7, and SKP2 have been well studied and have shown a relationship with drug resistance. Strategies targeting E3s to combat drug resistance include interfering with their activators, degrading the E3s themselves and influencing the interaction between E3s and their substrates. Research on E3s has led to the discovery of possible therapeutic methods to overcome the challenging clinical situation imposed by drug resistance. In this article, we summarize the role of E3s in cancer drug resistance from the perspective of drug class.
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Affiliation(s)
- Yuanqi Liu
- Department of Thoracic Surgery, Xiangya Hospital, Central South University, Changsha, China.,Hunan Engineering Research Center for Pulmonary Nodules Precise Diagnosis & Treatment, Changsha, China
| | - Chaojun Duan
- Department of Thoracic Surgery, Xiangya Hospital, Central South University, Changsha, China.,Hunan Engineering Research Center for Pulmonary Nodules Precise Diagnosis & Treatment, Changsha, China.,Department of Oncology, Xiangya Hospital, Central South University, Changsha, China
| | - Chunfang Zhang
- Department of Thoracic Surgery, Xiangya Hospital, Central South University, Changsha, China.,Hunan Engineering Research Center for Pulmonary Nodules Precise Diagnosis & Treatment, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Changsha, China
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19
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Ge M, Xu Q, Kang T, Li D, Wang R, Chen Z, Xie S, Wang W, Liu H. Deubiquitinating enzyme inhibitor alleviates cyclin A1-mediated proteasome inhibitor tolerance in mixed-lineage leukemia. Cancer Sci 2021; 112:2287-2298. [PMID: 33738896 PMCID: PMC8177811 DOI: 10.1111/cas.14892] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 03/12/2021] [Accepted: 03/16/2021] [Indexed: 12/16/2022] Open
Abstract
Drug resistance is a significant obstacle to effective cancer treatment. Drug resistance develops from initially reversible drug-tolerant cancer cells, which offer therapeutic opportunities to impede cancer relapse. The mechanisms of resistance to proteasome inhibitor (PI) therapy have been investigated intensively, however the ways by which drug-tolerant cancer cells orchestrate their adaptive responses to drug challenges remain largely unknown. Here, we demonstrated that cyclin A1 suppression elicited the development of transient PI tolerance in mixed-lineage leukemia (MLL) cells. This adaptive process involved reversible downregulation of cyclin A1, which promoted PI resistance through cell-cycle arrest. PI-tolerant MLL cells acquired cyclin A1 dependency, regulated directly by MLL protein. Loss of cyclin A1 function resulted in the emergence of drug tolerance, which was associated with patient relapse and reduced survival. Combination treatment with PI and deubiquitinating enzyme (DUB) inhibitors overcame this drug resistance by restoring cyclin A1 expression through chromatin crosstalk between histone H2B monoubiquitination and MLL-mediated histone H3 lysine 4 methylation. These results reveal the importance of cyclin A1-engaged cell-cycle regulation in PI resistance in MLL cells, and suggest that cell-cycle re-entry by DUB inhibitors may represent a promising epigenetic therapeutic strategy to prevent acquired drug resistance.
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Affiliation(s)
- Maolin Ge
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qiongyu Xu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ting Kang
- Department of Oncology, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Dan Li
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ruiheng Wang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhihong Chen
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shufeng Xie
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wenbin Wang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Han Liu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
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20
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Real AM, Marsiglia WM, Dar AC. Ploidy Leads a Molecular Motor to Walk Different Paths to Drug Resistance. Cell Chem Biol 2021; 27:770-772. [PMID: 32679092 DOI: 10.1016/j.chembiol.2020.06.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In this issue of Cell Chemical Biology, Pisa et al. (2020) find that haploid and diploid cells differentially develop resistance to the CENP-E inhibitor GSK923295. The results highlight the power of tumor cells to evade growth inhibition and potentially inform the design of next-generation CENP-E drugs to overcome resistance.
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Affiliation(s)
- Alexander M Real
- Department of Oncological Sciences, Department of Pharmacological Sciences, The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - William M Marsiglia
- Department of Oncological Sciences, Department of Pharmacological Sciences, The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Arvin C Dar
- Department of Oncological Sciences, Department of Pharmacological Sciences, The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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21
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Gu Y, Lai S, Dong Y, Fu H, Song L, Chen T, Duan Y, Zhang Z. AZD9291 Resistance Reversal Activity of a pH-Sensitive Nanocarrier Dual-Loaded with Chloroquine and FGFR1 Inhibitor in NSCLC. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2002922. [PMID: 33511016 PMCID: PMC7816715 DOI: 10.1002/advs.202002922] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/10/2020] [Indexed: 05/03/2023]
Abstract
AZD9291 can effectively prolong survival of non-small cell lung cancer (NSCLC) patients. Unfortunately, the mechanism of its acquired drug resistance is largely unknown. This study shows that autophagy and fibroblast growth factor receptor 1 signaling pathways are both activated in AZD9291 resistant NSCLC, and inhibition of them, respectively, by chloroquine (CQ) and PD173074 can synergistically reverse AZD9291 resistance. Herein, a coloaded CQ and PD173074 pH-sensitive shell-core nanoparticles CP@NP-cRGD is developed to reverse AZD9291 resistance in NSCLC. CP@NP-cRGD has a high encapsulation rate and stability, and can effectively prevent the degradation of drugs in circulation process. CP@NP-cRGD can target tumor cells by enhanced permeability and retention effect and the cRGD peptide. The pH-sensitive CaP shell can realize lysosome escape and then release drugs successively. The combination of CP@NP-cRGD and AZD9291 significantly induces a higher rate of apoptosis, more G0/G1 phase arrest, and reduces proliferation of resistant cell lines by downregulation of p-ERK1/2 in vitro. CQ in CP@NP-cRGD can block protective autophagy induced by both AZD9291 and PD173074. CP@NP-cRGD combined with AZD9291 shows adequate tumor enrichment, low toxicity, and excellent antitumor effect in nude mice. It provides a novel multifunctional nanoparticle to overcome AZD9291 resistance for potential clinical applications.
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Affiliation(s)
- Yu Gu
- Department of Radiation OncologyFudan University Shanghai Cancer CenterShanghai200032China
- Department of OncologyShanghai Medical CollegeFudan UniversityShanghai200032China
| | - Songtao Lai
- Department of Radiation OncologyFudan University Shanghai Cancer CenterShanghai200032China
- Department of OncologyShanghai Medical CollegeFudan UniversityShanghai200032China
| | - Yang Dong
- State Key Laboratory of Oncogenes and Related GenesShanghai Cancer InstituteRenji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai200032China
| | - Hao Fu
- State Key Laboratory of Oncogenes and Related GenesShanghai Cancer InstituteRenji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai200032China
| | - Liwei Song
- Shanghai Lung Cancer CenterShanghai Chest HospitalShanghai Jiao Tong UniversityShanghai200030China
| | - Tianxiang Chen
- Shanghai Lung Cancer CenterShanghai Chest HospitalShanghai Jiao Tong UniversityShanghai200030China
| | - Yourong Duan
- State Key Laboratory of Oncogenes and Related GenesShanghai Cancer InstituteRenji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai200032China
| | - Zhen Zhang
- Department of Radiation OncologyFudan University Shanghai Cancer CenterShanghai200032China
- Department of OncologyShanghai Medical CollegeFudan UniversityShanghai200032China
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22
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Burmeister AR, Hansen E, Cunningham JJ, Rego EH, Turner PE, Weitz JS, Hochberg ME. Fighting microbial pathogens by integrating host ecosystem interactions and evolution. Bioessays 2020; 43:e2000272. [PMID: 33377530 DOI: 10.1002/bies.202000272] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 11/22/2020] [Accepted: 11/30/2020] [Indexed: 12/19/2022]
Abstract
Successful therapies to combat microbial diseases and cancers require incorporating ecological and evolutionary principles. Drawing upon the fields of ecology and evolutionary biology, we present a systems-based approach in which host and disease-causing factors are considered as part of a complex network of interactions, analogous to studies of "classical" ecosystems. Centering this approach around empirical examples of disease treatment, we present evidence that successful therapies invariably engage multiple interactions with other components of the host ecosystem. Many of these factors interact nonlinearly to yield synergistic benefits and curative outcomes. We argue that these synergies and nonlinear feedbacks must be leveraged to improve the study of pathogenesis in situ and to develop more effective therapies. An eco-evolutionary systems perspective has surprising and important consequences, and we use it to articulate areas of high research priority for improving treatment strategies.
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Affiliation(s)
- Alita R Burmeister
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, Connecticut, USA.,BEACON Center for the Study of Evolution in Action, Michigan State University, East Lansing, Michigan, USA
| | - Elsa Hansen
- Department of Biology, Center for Infectious Disease Dynamics, Pennsylvania State University, University Park, Pennsylvania, USA
| | - Jessica J Cunningham
- Department of Integrated Mathematical Oncology, Moffitt Cancer Center & Research Institute, Tampa, Florida, USA
| | - E Hesper Rego
- Department of Microbial Pathogenesis, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Paul E Turner
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, Connecticut, USA.,BEACON Center for the Study of Evolution in Action, Michigan State University, East Lansing, Michigan, USA.,Program in Microbiology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Joshua S Weitz
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA.,School of Physics, Georgia Institute of Technology, Atlanta, Georgia, USA
| | - Michael E Hochberg
- Institute of Evolutionary Sciences, University of Montpellier, Montpellier, France.,Santa Fe Institute, Santa Fe, New Mexico, USA
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23
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Ge M, Qiao Z, Kong Y, Liang H, Sun Y, Lu H, Xu Z, Liu H. Modulating proteasome inhibitor tolerance in multiple myeloma: an alternative strategy to reverse inevitable resistance. Br J Cancer 2020; 124:770-776. [PMID: 33250513 PMCID: PMC7884794 DOI: 10.1038/s41416-020-01191-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 09/29/2020] [Accepted: 11/05/2020] [Indexed: 12/11/2022] Open
Abstract
Background Resistance to proteasome inhibitors (PIs) is a major obstacle to the successful treatment of multiple myeloma (MM). Many mechanisms have been proposed for PI resistance; however, our mechanistic understanding of how PI resistance is inevitably acquired and reversed remains incomplete. Methods MM patients after bortezomib relapse, MM cell lines and mouse models were used to generate matched resistant and reversed cells. RNA sequencing and bioinformatics analyses were employed to assess dysregulated epigenetic regulators. In vitro and in vivo procedures were used to characterise PI-tolerant cells and therapeutic efficacy. Results Upon PI treatment, MM cells enter a slow-cycling and reversible drug-tolerant state. This reversible phenotype is associated with epigenetic plasticity, which involves tolerance rather than persistence in patients with relapsed MM. Combination treatment with histone deacetylase inhibitors and high-dosage intermittent therapy, as opposed to sustained PI monotherapy, can be more effective in treating MM by preventing the emergence of PI-tolerant cells. The therapeutic basis is the reversal of dysregulated epigenetic regulators in MM patients. Conclusions We propose an alternative non-mutational PI resistance mechanism that explains why PI relapse is inevitable and why patients regain sensitivity after a ‘drug holiday’. Our study also suggests strategies for epigenetic elimination of drug-tolerant cells.
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Affiliation(s)
- Maolin Ge
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200025, Shanghai, China.
| | - Zhi Qiao
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, 200240, Shanghai, China
| | - Yan Kong
- SJTU-Yale Joint Center of Biostatistics and Data Science, Shanghai Jiao Tong University, 200240, Shanghai, China
| | - Hongyu Liang
- Fujian Institute of Hematology, Fujian Provincial Key Laboratory of Hematology, Fujian Medical University Union Hospital, 350001, Fuzhou, China
| | - Yan Sun
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200025, Shanghai, China
| | - Hui Lu
- SJTU-Yale Joint Center of Biostatistics and Data Science, Shanghai Jiao Tong University, 200240, Shanghai, China
| | - Zhenshu Xu
- Fujian Institute of Hematology, Fujian Provincial Key Laboratory of Hematology, Fujian Medical University Union Hospital, 350001, Fuzhou, China.
| | - Han Liu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200025, Shanghai, China.
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24
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Basket trials: From tumour gnostic to tumour agnostic drug development. Cancer Treat Rev 2020; 90:102082. [DOI: 10.1016/j.ctrv.2020.102082] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 07/07/2020] [Accepted: 07/10/2020] [Indexed: 12/14/2022]
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25
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Tao J, Sun D, Dong L, Zhu H, Hou H. Advancement in research and therapy of NF1 mutant malignant tumors. Cancer Cell Int 2020; 20:492. [PMID: 33061844 PMCID: PMC7547409 DOI: 10.1186/s12935-020-01570-8] [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: 07/16/2020] [Accepted: 09/23/2020] [Indexed: 12/27/2022] Open
Abstract
The NF1 gene encodes neurofibromin, which is one of the primary negative regulatory factors of the Ras protein. Neurofibromin stimulates the GTPase activity of Ras to convert it from an active GTP-bound form to its inactive GDP-bound form through its GTPase activating protein-related domain (GRD). Therefore, neurofibromin serves as a shutdown signal for all vertebrate RAS GTPases. NF1 mutations cause a resultant decrease in neurofibromin expression, which has been detected in many human malignancies, including NSCLC, breast cancer and so on. NF1 mutations are associated with the underlying mechanisms of treatment resistance discovered in multiple malignancies. This paper reviews the possible mechanisms of NF1 mutation-induced therapeutic resistance to chemotherapy, endocrine therapy and targeted therapy in malignancies. Then, we further discuss advancements in targeted therapy for NF1-mutated malignant tumors. In addition, therapies targeting the downstream molecules of NF1 might be potential novel strategies for the treatment of advanced malignancies.
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Affiliation(s)
- Junyan Tao
- Precision Medicine Center of Oncology, the Affiliated Hospital of Qingdao University, No. 59 Haier Road, Qingdao, Shandong 266000 China
| | - Dantong Sun
- Precision Medicine Center of Oncology, the Affiliated Hospital of Qingdao University, No. 59 Haier Road, Qingdao, Shandong 266000 China
| | - Lina Dong
- Precision Medicine Center of Oncology, the Affiliated Hospital of Qingdao University, No. 59 Haier Road, Qingdao, Shandong 266000 China
| | - Hua Zhu
- Precision Medicine Center of Oncology, the Affiliated Hospital of Qingdao University, No. 59 Haier Road, Qingdao, Shandong 266000 China
| | - Helei Hou
- Precision Medicine Center of Oncology, the Affiliated Hospital of Qingdao University, No. 59 Haier Road, Qingdao, Shandong 266000 China
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26
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Ge M, Li D, Qiao Z, Sun Y, Kang T, Zhu S, Wang S, Xiao H, Zhao C, Shen S, Xu Z, Liu H. Restoring MLL reactivates latent tumor suppression-mediated vulnerability to proteasome inhibitors. Oncogene 2020; 39:5888-5901. [PMID: 32733069 PMCID: PMC7471105 DOI: 10.1038/s41388-020-01408-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 07/16/2020] [Accepted: 07/23/2020] [Indexed: 12/15/2022]
Abstract
MLL undergoes multiple distinct chromosomal translocations to yield aggressive leukemia with dismal outcomes. Besides their well-established role in leukemogenesis, MLL fusions also possess latent tumor-suppressive activity, which can be exploited as effective cancer treatment strategies using pharmacological means such as proteasome inhibitors (PIs). Here, using MLL-rearranged xenografts and MLL leukemic cells as models, we show that wild-type MLL is indispensable for the latent tumor-suppressive activity of MLL fusions. MLL dysfunction, shown as loss of the chromatin accumulation and subsequent degradation of MLL, compromises the latent tumor suppression of MLL-AF4 and is instrumental for the acquired PI resistance. Mechanistically, MLL dysfunction is caused by chronic PI treatment-induced epigenetic reprogramming through the H2Bub-ASH2L-MLL axis and can be specifically restored by histone deacetylase (HDAC) inhibitors, which induce histone acetylation and recruits MLL on chromatin to promote cell cycle gene expression. Our findings not only demonstrate the mechanism underlying the inevitable acquisition of PI resistance in MLL leukemic cells, but also illustrate that preventing the emergence of PI-resistant cells constitutes a novel rationale for combination therapy with PIs and HDAC inhibitors in MLL leukemias.
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Affiliation(s)
- Maolin Ge
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, 200025, Shanghai, China
| | - Dan Li
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, 200025, Shanghai, China
| | - Zhi Qiao
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, 200240, Shanghai, China
| | - Yan Sun
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, 200025, Shanghai, China
| | - Ting Kang
- Department of Oncology, Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, 200092, Shanghai, China
| | - Shouhai Zhu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, 200025, Shanghai, China
| | - Shifen Wang
- Fujian Institute of Hematology, Fujian Provincial Key Laboratory of Hematology, Fujian Medical University Union Hospital, 350001, Fuzhou, China
| | - Hua Xiao
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, 200240, Shanghai, China
| | - Chunjun Zhao
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, 200025, Shanghai, China
| | - Shuhong Shen
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health, Department of Hematology & Oncology, Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, 200127, Shanghai, China.
| | - Zhenshu Xu
- Fujian Institute of Hematology, Fujian Provincial Key Laboratory of Hematology, Fujian Medical University Union Hospital, 350001, Fuzhou, China.
| | - Han Liu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, 200025, Shanghai, China.
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Reuvers TGA, Kanaar R, Nonnekens J. DNA Damage-Inducing Anticancer Therapies: From Global to Precision Damage. Cancers (Basel) 2020; 12:E2098. [PMID: 32731592 PMCID: PMC7463878 DOI: 10.3390/cancers12082098] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 07/24/2020] [Accepted: 07/26/2020] [Indexed: 12/11/2022] Open
Abstract
DNA damage-inducing therapies are of tremendous value for cancer treatment and function by the direct or indirect formation of DNA lesions and subsequent inhibition of cellular proliferation. Of central importance in the cellular response to therapy-induced DNA damage is the DNA damage response (DDR), a protein network guiding both DNA damage repair and the induction of cancer-eradicating mechanisms such as apoptosis. A detailed understanding of DNA damage induction and the DDR has greatly improved our knowledge of the classical DNA damage-inducing therapies, radiotherapy and cytotoxic chemotherapy, and has paved the way for rational improvement of these treatments. Moreover, compounds targeting specific DDR proteins, selectively impairing DNA damage repair in cancer cells, form a promising novel therapy class that is now entering the clinic. In this review, we give an overview of the current state and ongoing developments, and discuss potential avenues for improvement for DNA damage-inducing therapies, with a central focus on the role of the DDR in therapy response, toxicity and resistance. Furthermore, we describe the relevance of using combination regimens containing DNA damage-inducing therapies and how they can be utilized to potentiate other anticancer strategies such as immunotherapy.
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Affiliation(s)
- Thom G. A. Reuvers
- Department of Molecular Genetics, Erasmus MC, Dr. Molenwaterplein 40, 3015 GD Rotterdam, The Netherlands; (T.G.A.R.); (R.K.)
- Department of Radiology and Nuclear Medicine, Erasmus MC, Dr. Molenwaterplein 40, 3015 GD Rotterdam, The Netherlands
| | - Roland Kanaar
- Department of Molecular Genetics, Erasmus MC, Dr. Molenwaterplein 40, 3015 GD Rotterdam, The Netherlands; (T.G.A.R.); (R.K.)
- Oncode Institute, Office Jaarbeurs Innovation Mile (JIM), Jaarbeursplein 6, 3561 AL Utrecht, The Netherlands
| | - Julie Nonnekens
- Department of Molecular Genetics, Erasmus MC, Dr. Molenwaterplein 40, 3015 GD Rotterdam, The Netherlands; (T.G.A.R.); (R.K.)
- Department of Radiology and Nuclear Medicine, Erasmus MC, Dr. Molenwaterplein 40, 3015 GD Rotterdam, The Netherlands
- Oncode Institute, Office Jaarbeurs Innovation Mile (JIM), Jaarbeursplein 6, 3561 AL Utrecht, The Netherlands
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Niveditha D, Mukherjee S, Majumder S, Chowdhury R, Chowdhury S. A global transcriptomic pipeline decoding core network of genes involved in stages leading to acquisition of drug-resistance to cisplatin in osteosarcoma cells. Bioinformatics 2020; 35:1701-1711. [PMID: 30307528 DOI: 10.1093/bioinformatics/bty868] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 08/20/2018] [Accepted: 10/10/2018] [Indexed: 12/16/2022] Open
Abstract
MOTIVATION Traditional cancer therapy is focused on eradicating fast proliferating population of tumor cells. However, existing evidences suggest survival of sub-population of cancer cells that can resist chemotherapy by entering a 'persister' state of minimal growth. These cells eventually survive to produce cells resistant to drugs. The identifying of appropriate targets that can eliminate the drug-tolerant 'persisters' remains a challenge. Hence, a deeper understanding of the distinctive genetic signatures that lead to resistance is of utmost importance to design an appropriate therapy. RESULTS In this study, deep-sequencing of mRNA was performed in osteosarcoma (OS) cells, exposed to the widely used drug, cisplatin which is an integral part of current treatment regime for OS. Transcriptomic analysis was performed in (i) untreated OS; (ii) persister sub-population of cells post-drug shock; (iii) cells which evade growth bottleneck and (iv) drug-resistant cells obtained after several rounds of drug shock and revival. The transcriptomic signatures and pathways regulated in each group were compared; the transcriptomic pipeline to the acquisition of resistance was analyzed and the core network of genes altered during the process was delineated. Additionally, our transcriptomic data were compared with OS patient data obtained from Gene Ontology Omnibus. We observed a sub-set of genes to be commonly expressed in both data sets with a high correlation (0.81) in expression pattern. To the best of our knowledge, this study is uniquely designed to understand the series of genetic changes leading to the emergence of drug-resistant cells, and implications from this study have a potential therapeutic impact. AVAILABILITY AND IMPLEMENTATION All raw data can be accessed from GEO database (https://www.ncbi.nlm.nih.gov/geo/) under the GEO accession number GSE86053. SUPPLEMENTARY INFORMATION Supplementary data are available at Bioinformatics online.
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Affiliation(s)
- Divya Niveditha
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani, India
| | - Sudeshna Mukherjee
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani, India
| | - Syamantak Majumder
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani, India
| | - Rajdeep Chowdhury
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani, India
| | - Shibasish Chowdhury
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani, India
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29
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Yang B, Gao F, Li Z, Li M, Chen L, Guan Y, Liu G, Yang L. Selective Entropy Gain-Driven Adsorption of Nanospheres onto Spherical Bacteria Endows Photodynamic Treatment with Narrow-Spectrum Activity. J Phys Chem Lett 2020; 11:2788-2796. [PMID: 32191475 DOI: 10.1021/acs.jpclett.0c00287] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Narrow-spectrum antimicrobials specifically eradicate the target pathogens but suffer from significantly lagging development. Photodynamic therapy eliminates cells with reactive oxygen species (ROS) generated upon light irradiation but is intrinsically a wide-spectrum modality. We herein converted photodynamic therapy into a narrow-spectrum modality by taking advantage of a previously unnoticed physics recognition pathway. We found that negatively charged nanospheres undergo selective entropy gain-driven adsorption onto spherical bacteria, but not onto rod-like bacteria. This bacterial morphology-targeting selectivity, combined with the extremely limited effective radii of action of ROS, enabled photodynamic nanospheres to kill >99% of inoculated spherical bacteria upon light irradiation and <1% of rod-like bacteria under comparable conditions, indicative of narrow-spectrum activity against spherical bacteria. This work unveils the bacterial morphology selectivity in the adsorption of negatively charged nanospheres and suggests a new approach for treating infections characterized by overthriving spherical bacteria in niches naturally dominated by rod-like bacteria.
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Abstract
Hepatocellular carcinoma (HCC), the most common form of primary liver cancer, typically develops on the background of chronic liver disease and is an aggressive disease with dismal prognosis. Studies using next-generation sequencing of multiple regions of the same tumour nodule suggest different patterns of HCC evolution and confirm the high molecular heterogeneity in a subset of patients. Different hypotheses have been proposed to explain tumour evolution, including clonal selection or neutral and punctuated acquisition of genetic alterations. In parallel, data indicate a fundamental contribution of nonmalignant cells of the tumour microenvironment to cancer clonal evolution. Delineating these dynamics is crucial to improve the treatment of patients with HCC, and particularly to help understand how HCC evolution drives resistance to systemic therapies. A number of new minimally invasive techniques, such as liquid biopsies, could help track cancer evolution in HCC. These tools might improve our understanding of how systemic therapies affect tumour clonal composition and could facilitate implementation of real-time molecular monitoring of patients with HCC.
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31
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Li Z, Zhang T, Fan F, Gao F, Ji H, Yang L. Piezoelectric Materials as Sonodynamic Sensitizers to Safely Ablate Tumors: A Case Study Using Black Phosphorus. J Phys Chem Lett 2020; 11:1228-1238. [PMID: 31990196 DOI: 10.1021/acs.jpclett.9b03769] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Sonodynamic therapy eliminates cancer cells with reactive oxygen species (ROS) triggered by ultrasound whose energy is spatiotemporally controllable, is safe to human tissues and organs, and penetrates deeply through tissues. Its application, however, is hindered by the scarcity of sonodynamic sensitizers. We herein demonstrate piezoelectric materials as a new source of sonodynamic sensitizers, using few-layer black phosphorus (BP) nanosheet as a model. BP nanosheet exhibited ultrasound-excited cytotoxicity to cancer cells via ROS generation, thereby suppressing tumor growth and metastasis without causing off-target toxicity in tumor-bearing mouse models. The ultrasonic wave introduces mechanical strain to the BP nanosheet, leading to piezoelectric polarization which shifts the conduction band of BP more negative than O2/·O2- while its valence band more positive than H2O/·OH, thereby accelerating the ROS production. This work identifies a new mechanism for discovering sonodynamic sensitizers and suggests BP nanosheet as an excellent sensitizer for tumor sonodynamic therapy.
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32
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Noorbakhsh J, Zhao ZM, Russell JC, Chuang JH. Treating Cancer as an Invasive Species. Mol Cancer Res 2020; 18:20-26. [PMID: 31527151 PMCID: PMC6942216 DOI: 10.1158/1541-7786.mcr-19-0262] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 06/26/2019] [Accepted: 09/10/2019] [Indexed: 11/16/2022]
Abstract
To cure a patient's cancer is to eradicate invasive cells from the ecosystem of the body. However, the ecologic complexity of this challenge is not well understood. Here we show how results from eradications of invasive mammalian species from islands-one of the few contexts in which invasive species have been regularly cleared-inform new research directions for treating cancer. We first summarize the epidemiologic characteristics of island invader eradications and cancer treatments by analyzing recent datasets from the Database of Invasive Island Species Eradications and The Cancer Genome Atlas, detailing the superior successes of island eradication projects. Next, we compare how genetic and environmental factors impact success in each system. These comparisons illuminate a number of promising cancer research and treatment directions, such as heterogeneity engineering as motivated by gene drives and adaptive therapy; multiscale analyses of how population heterogeneity potentiates treatment resistance; and application of ecological data mining techniques to high-throughput cancer data. We anticipate that interdisciplinary comparisons between tumor progression and invasive species would inspire development of novel paradigms to cure cancer.
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Affiliation(s)
- Javad Noorbakhsh
- The Jackson Laboratory for Genomic Medicine, Farmington, Connecticut
| | - Zi-Ming Zhao
- The Jackson Laboratory for Genomic Medicine, Farmington, Connecticut
| | | | - Jeffrey H Chuang
- The Jackson Laboratory for Genomic Medicine, Farmington, Connecticut.
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33
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Vasan N, Baselga J, Hyman DM. A view on drug resistance in cancer. Nature 2019; 575:299-309. [PMID: 31723286 DOI: 10.1038/s41586-019-1730-1] [Citation(s) in RCA: 1282] [Impact Index Per Article: 256.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 09/23/2019] [Indexed: 12/11/2022]
Abstract
The problem of resistance to therapy in cancer is multifaceted. Here we take a reductionist approach to define and separate the key determinants of drug resistance, which include tumour burden and growth kinetics; tumour heterogeneity; physical barriers; the immune system and the microenvironment; undruggable cancer drivers; and the many consequences of applying therapeutic pressures. We propose four general solutions to drug resistance that are based on earlier detection of tumours permitting cancer interception; adaptive monitoring during therapy; the addition of novel drugs and improved pharmacological principles that result in deeper responses; and the identification of cancer cell dependencies by high-throughput synthetic lethality screens, integration of clinico-genomic data and computational modelling. These different approaches could eventually be synthesized for each tumour at any decision point and used to inform the choice of therapy.
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Affiliation(s)
- Neil Vasan
- Memorial Sloan Kettering Cancer Center, New York, NY, USA.,Weill Cornell Medical College, New York, NY, USA
| | - José Baselga
- Memorial Sloan Kettering Cancer Center, New York, NY, USA.,Weill Cornell Medical College, New York, NY, USA.,AstraZeneca, Gaithersburg, MD, USA
| | - David M Hyman
- Memorial Sloan Kettering Cancer Center, New York, NY, USA. .,Weill Cornell Medical College, New York, NY, USA.
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Abstract
Antibiotic resistance poses an alarming and ever-increasing threat to modern health care. Although the current antibiotic crisis is widely acknowledged, actions taken so far have proved insufficient to slow down the rampant spread of resistant pathogens. Problematically, routine screening methods and strategies to restrict therapy failure almost exclusively focus on genetic resistance, while evidence for dangers posed by other bacterial survival strategies is mounting. Antibiotic tolerance, occurring either population-wide or in a subpopulation of cells, allows bacteria to transiently overcome antibiotic treatment and is overlooked in clinical practice. In addition to prolonging treatment and causing relapsing infections, recent studies have revealed that tolerance also accelerates the emergence of resistance. These critical findings emphasize the need for strategies to combat tolerance, not only to improve treatment of recurrent infections but also to effectively address the problem of antibiotic resistance at the root.
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Abstract
Antibiotic resistance poses an alarming and ever-increasing threat to modern health care. Although the current antibiotic crisis is widely acknowledged, actions taken so far have proved insufficient to slow down the rampant spread of resistant pathogens. Problematically, routine screening methods and strategies to restrict therapy failure almost exclusively focus on genetic resistance, while evidence for dangers posed by other bacterial survival strategies is mounting. Antibiotic resistance poses an alarming and ever-increasing threat to modern health care. Although the current antibiotic crisis is widely acknowledged, actions taken so far have proved insufficient to slow down the rampant spread of resistant pathogens. Problematically, routine screening methods and strategies to restrict therapy failure almost exclusively focus on genetic resistance, while evidence for dangers posed by other bacterial survival strategies is mounting. Antibiotic tolerance, occurring either population-wide or in a subpopulation of cells, allows bacteria to transiently overcome antibiotic treatment and is overlooked in clinical practice. In addition to prolonging treatment and causing relapsing infections, recent studies have revealed that tolerance also accelerates the emergence of resistance. These critical findings emphasize the need for strategies to combat tolerance, not only to improve treatment of recurrent infections but also to effectively address the problem of antibiotic resistance at the root.
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Therapeutic opportunity in innate immune response induction by oncogene-targeted drugs. Future Med Chem 2019; 11:1083-1086. [PMID: 31084208 DOI: 10.4155/fmc-2018-0292] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
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Abstract
Genetically engineered T cells are powerful new medicines, offering hope for curative responses in patients with cancer. Chimeric antigen receptor (CAR) T cells were recently approved by the US Food and Drug Administration and are poised to enter the practice of medicine for leukemia and lymphoma, demonstrating that engineered immune cells can serve as a powerful new class of cancer therapeutics. The emergence of synthetic biology approaches for cellular engineering provides a broadly expanded set of tools for programming immune cells for enhanced function. Advances in T cell engineering, genetic editing, the selection of optimal lymphocytes, and cell manufacturing have the potential to broaden T cell-based therapies and foster new applications beyond oncology, in infectious diseases, organ transplantation, and autoimmunity.
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Affiliation(s)
- Sonia Guedan
- Department of Hematology, Hospital Clinic, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain;
- Center for Cellular Immunotherapies, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA;
| | - Marco Ruella
- Center for Cellular Immunotherapies, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA;
- Department of Medicine, Division of Hematology and Oncology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
- Parker Institute for Cellular Immunotherapy at the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Carl H June
- Center for Cellular Immunotherapies, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA;
- Department of Medicine, Division of Hematology and Oncology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
- Parker Institute for Cellular Immunotherapy at the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
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Kessler BE, Mishall KM, Kellett MD, Clark EG, Pugazhenthi U, Pozdeyev N, Kim J, Tan AC, Schweppe RE. Resistance to Src inhibition alters the BRAF-mutant tumor secretome to promote an invasive phenotype and therapeutic escape through a FAK>p130Cas>c-Jun signaling axis. Oncogene 2019; 38:2565-2579. [PMID: 30531837 PMCID: PMC6450711 DOI: 10.1038/s41388-018-0617-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Revised: 11/20/2018] [Accepted: 11/23/2018] [Indexed: 01/09/2023]
Abstract
Few therapy options exist for patients with advanced papillary and anaplastic thyroid cancer. We and others have previously identified c-Src as a key mediator of thyroid cancer pro-tumorigenic processes and a promising therapeutic target for thyroid cancer. To increase the efficacy of targeting Src in the clinic, we sought to define mechanisms of resistance to the Src inhibitor, dasatinib, to identify key pathways to target in combination. Using a panel of thyroid cancer cell lines expressing clinically relevant mutations in BRAF or RAS, which were previously developed to be resistant to dasatinib, we identified a switch to a more invasive phenotype in the BRAF-mutant cells as a potential therapy escape mechanism. This phenotype switch is driven by FAK kinase activity, and signaling through the p130Cas>c-Jun signaling axis. We have further shown this more invasive phenotype is accompanied by alterations in the secretome through the increased expression of pro-inflammatory cytokines, including IL-1β, and the pro-invasive metalloprotease, MMP-9. Furthermore, IL-1β signals via a feedforward autocrine loop to promote invasion through a FAK>p130Cas>c-Jun>MMP-9 signaling axis. We further demonstrate that upfront combined inhibition of FAK and Src synergistically inhibits growth and invasion, and induces apoptosis in a panel of BRAF- and RAS-mutant thyroid cancer cell lines. Together our data demonstrate that acquired resistance to single-agent Src inhibition promotes a more invasive phenotype through an IL-1β>FAK>p130Cas>c-Jun >MMP signaling axis, and that combined inhibition of FAK and Src has the potential to block this inhibitor-induced phenotype switch.
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Affiliation(s)
- Brittelle E Kessler
- Division of Endocrinology, Metabolism, and Diabetes, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Katie M Mishall
- Division of Endocrinology, Metabolism, and Diabetes, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Meghan D Kellett
- Division of Endocrinology, Metabolism, and Diabetes, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Erin G Clark
- Division of Endocrinology, Metabolism, and Diabetes, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Umarani Pugazhenthi
- Division of Endocrinology, Metabolism, and Diabetes, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Nikita Pozdeyev
- Division of Endocrinology, Metabolism, and Diabetes, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, 80045, USA
- Division of Bioinformatics and Personalized Medicine, Aurora, CO, 80045, USA
| | - Jihye Kim
- University of Colorado Cancer Center, University of Colorado School of Medicine, Aurora, CO, 80045, USA
- Division of Medical Oncology, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Aik Choon Tan
- University of Colorado Cancer Center, University of Colorado School of Medicine, Aurora, CO, 80045, USA
- Division of Medical Oncology, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Rebecca E Schweppe
- Division of Endocrinology, Metabolism, and Diabetes, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, 80045, USA.
- Division of Medical Oncology, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, 80045, USA.
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Fittall MW, Van Loo P. Translating insights into tumor evolution to clinical practice: promises and challenges. Genome Med 2019; 11:20. [PMID: 30925887 PMCID: PMC6440005 DOI: 10.1186/s13073-019-0632-z] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Accelerating technological advances have allowed the widespread genomic profiling of tumors. As yet, however, the vast catalogues of mutations that have been identified have made only a modest impact on clinical medicine. Massively parallel sequencing has informed our understanding of the genetic evolution and heterogeneity of cancers, allowing us to place these mutational catalogues into a meaningful context. Here, we review the methods used to measure tumor evolution and heterogeneity, and the potential and challenges for translating the insights gained to achieve clinical impact for cancer therapy, monitoring, early detection, risk stratification, and prevention. We discuss how tumor evolution can guide cancer therapy by targeting clonal and subclonal mutations both individually and in combination. Circulating tumor DNA and circulating tumor cells can be leveraged for monitoring the efficacy of therapy and for tracking the emergence of resistant subclones. The evolutionary history of tumors can be deduced for late-stage cancers, either directly by sampling precursor lesions or by leveraging computational approaches to infer the timing of driver events. This approach can identify recurrent early driver mutations that represent promising avenues for future early detection strategies. Emerging evidence suggests that mutational processes and complex clonal dynamics are active even in normal development and aging. This will make discriminating developing malignant neoplasms from normal aging cell lineages a challenge. Furthermore, insight into signatures of mutational processes that are active early in tumor evolution may allow the development of cancer-prevention approaches. Research and clinical studies that incorporate an appreciation of the complex evolutionary patterns in tumors will not only produce more meaningful genomic data, but also better exploit the vulnerabilities of cancer, resulting in improved treatment outcomes.
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Affiliation(s)
- Matthew W Fittall
- The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK.,University College London Cancer Institute, 72 Huntley Street, London, WC1E 6DD, UK.,Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire, CB10 1SA, UK
| | - Peter Van Loo
- The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK. .,University of Leuven, Herestraat 49, B-3000, Leuven, Belgium.
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Kastenhuber ER, Craig J, Ramsey J, Sullivan KM, Sage J, de Oliveira S, Riehle KJ, Scott JD, Gordan JD, Bardeesy N, Abou-Alfa GK. Road map for fibrolamellar carcinoma: progress and goals of a diversified approach. J Hepatocell Carcinoma 2019; 6:41-48. [PMID: 30951568 PMCID: PMC6362920 DOI: 10.2147/jhc.s194764] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Fibrolamellar carcinoma is a rare liver cancer, which primarily afflicts adolescents and young adults worldwide and is frequently lethal. Given the rarity of this disease, patient recruitment for clinical trials remains a challenge. In November 2017, the Second Fibrolamellar Cancer Foundation Scientific Summit (Stamford, CT, USA) provided an opportunity for investigators to discuss recent advances in the characterization of the disease and its surrounding liver and immune context. The Fibrolamellar Cancer Foundation has thus set out a road map to identify and test therapeutic targets in the most efficient possible manner.
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Affiliation(s)
- Edward R Kastenhuber
- Cancer Biology and Genetics Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA, .,Louis V. Gerstner Jr. Graduate School of Biomedical Sciences, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - John Craig
- Fibrolamellar Cancer Foundation, Greenwich, CT, USA
| | - Jon Ramsey
- Department of Biochemistry, University of Vermont Cancer Center, Burlington, VT, USA
| | - Kevin M Sullivan
- Northwest Liver Research Program, University of Washington, Seattle, WA, USA
| | - Julien Sage
- Department of Pediatrics, Stanford University, Stanford, CA, USA.,Department of Genetics, Stanford University, Stanford, CA, USA
| | - Sofia de Oliveira
- Department of Medical Microbiology and Immunology, University of Wisconsin, Madison, WI, USA
| | - Kimberly J Riehle
- Northwest Liver Research Program, University of Washington, Seattle, WA, USA
| | - John D Scott
- Northwest Liver Research Program, University of Washington, Seattle, WA, USA
| | - John D Gordan
- Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Nabeel Bardeesy
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA.,Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Ghassan K Abou-Alfa
- Cancer Biology and Genetics Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA, .,Department of Medicine, Weill Cornell School of Medicine, New York, NY, USA,
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Park S, Kim YS, Kim DY, So I, Jeon JH. PI3K pathway in prostate cancer: All resistant roads lead to PI3K. Biochim Biophys Acta Rev Cancer 2018; 1870:198-206. [DOI: 10.1016/j.bbcan.2018.09.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 09/13/2018] [Accepted: 09/13/2018] [Indexed: 12/19/2022]
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Tosi D, Pérez-Gracia E, Atis S, Vié N, Combès E, Gabanou M, Larbouret C, Jarlier M, Mollevi C, Torro A, Del Rio M, Martineau P, Gongora C. Rational development of synergistic combinations of chemotherapy and molecular targeted agents for colorectal cancer treatment. BMC Cancer 2018; 18:812. [PMID: 30103709 PMCID: PMC6090616 DOI: 10.1186/s12885-018-4712-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 07/31/2018] [Indexed: 02/08/2023] Open
Abstract
Background The irinotecan-induced phosphokinome changes in colorectal cancer (CRC) cells were used to guide the selection of targeted agents to be tested in combination with irinotecan. Methods Phosphokinome profiling with peptide arrays of tumour samples from nude mice xenografted with HT29 cells and treated or not with an effective dose of irinotecan was used to identify signalling pathways activated by irinotecan treatment. Then, drugs targeting these pathways were combined in vitro with irinotecan to test potential synergistic effect. The interactions between these drug combinations were assessed by a dose matrix approach. Confirmation of the most potential combination has been confirmed in vivo in xenografted mice. Results Irinotecan induced in vivo the activation of AKT and MEK1 phosphorylation. The dose matrix approach showed that BKM120 (PI3K inhibitor) and MEK162 (MEK inhibitor) are synergistic in vitro and in vivo with a cytostatic and cytotoxic effect, while combination of BKM120 and irinotecan or MEK162 and irinotecan are only additive or even antagonistic. However, the triple combination of SN38, BKM120 and MEK162 showed a better synergistic effect that BKM120 and MEK162, indicating that the cells need to inhibit both AKT and ERK pathways to become more sensitive to irinotecan-based chemotherapies. Conclusion Analysis of chemotherapy-induced phosphokinome changes helps to elucidate the mechanisms of drug resistance and to guide the selection of targets for combination therapies with synergistic activity. Electronic supplementary material The online version of this article (10.1186/s12885-018-4712-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Diego Tosi
- Institut régional du Cancer de Montpellier (ICM), 208 avenue des Apothicaires, 34298, Montpellier, France.
| | - Esther Pérez-Gracia
- Institut de Recherche en Cancérologie de Montpellier (IRCM, Inserm U1194), 34298, Montpellier, France
| | - Salima Atis
- Institut de Recherche en Cancérologie de Montpellier (IRCM, Inserm U1194), 34298, Montpellier, France
| | - Nadia Vié
- Institut de Recherche en Cancérologie de Montpellier (IRCM, Inserm U1194), 34298, Montpellier, France
| | - Eve Combès
- Institut de Recherche en Cancérologie de Montpellier (IRCM, Inserm U1194), 34298, Montpellier, France
| | - Mélissa Gabanou
- Institut de Recherche en Cancérologie de Montpellier (IRCM, Inserm U1194), 34298, Montpellier, France
| | - Christel Larbouret
- Institut de Recherche en Cancérologie de Montpellier (IRCM, Inserm U1194), 34298, Montpellier, France
| | - Marta Jarlier
- Institut régional du Cancer de Montpellier (ICM), 208 avenue des Apothicaires, 34298, Montpellier, France
| | - Caroline Mollevi
- Institut régional du Cancer de Montpellier (ICM), 208 avenue des Apothicaires, 34298, Montpellier, France
| | - Adeline Torro
- Institut de Recherche en Cancérologie de Montpellier (IRCM, Inserm U1194), 34298, Montpellier, France
| | - Maguy Del Rio
- Institut de Recherche en Cancérologie de Montpellier (IRCM, Inserm U1194), 34298, Montpellier, France
| | - Pierre Martineau
- Institut de Recherche en Cancérologie de Montpellier (IRCM, Inserm U1194), 34298, Montpellier, France
| | - Céline Gongora
- Institut de Recherche en Cancérologie de Montpellier (IRCM, Inserm U1194), 34298, Montpellier, France
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The Emerging Role of Gas Plasma in Oncotherapy. Trends Biotechnol 2018; 36:1183-1198. [PMID: 30033340 DOI: 10.1016/j.tibtech.2018.06.010] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Revised: 06/21/2018] [Accepted: 06/27/2018] [Indexed: 11/21/2022]
Abstract
Atmospheric pressure gas plasmas are emerging as a promising treatment in cancer that can supplement the existing set of treatment modalities and, when combined with other therapies, enhance their selectivity and efficacy against resistant cancers. With further optimisation in production and administration of plasma treatment, plasma-enabled therapy has a strong potential to mature as a tool for selectively curing highly resistant solid tumours. Although intense preclinical studies have been conducted to exploit the unique traits of plasma as an oncotherapy, few clinical studies are underway. This review identifies types of cancers and patient groups that most likely benefit from plasma oncotherapy, to introduce clinical practitioners to plasma therapy and accelerate the speed of translating plasma for cancer control in clinics.
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Systems pharmacology using mass spectrometry identifies critical response nodes in prostate cancer. NPJ Syst Biol Appl 2018; 4:26. [PMID: 29977602 PMCID: PMC6026592 DOI: 10.1038/s41540-018-0064-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 05/17/2018] [Accepted: 05/23/2018] [Indexed: 01/27/2023] Open
Abstract
In the United States alone one in five newly diagnosed cancers in men are prostate carcinomas (PCa). Androgen receptor (AR) status and the PI3K-AKT-mTOR signal transduction pathway are critical in PCa. After initial response to single drugs targeting these pathways resistance often emerges, indicating the need for combination therapy. Here, we address the question of efficacy of drug combinations and development of resistance mechanisms to targeted therapy by a systems pharmacology approach. We combine targeted perturbation with detailed observation of the molecular response by mass spectrometry. We hypothesize that the molecular short-term (24 h) response reveals details of how PCa cells adapt to counter the anti-proliferative drug effect. With focus on six drugs currently used in PCa treatment or targeting the PI3K-AKT-mTOR signal transduction pathway, we perturbed the LNCaP clone FGC cell line by a total of 21 treatment conditions using single and paired drug combinations. The molecular response was analyzed by the mass spectrometric quantification of 52 proteins. Analysis of the data revealed a pattern of strong responders, i.e., proteins that were consistently downregulated or upregulated across many of the perturbation conditions. The downregulated proteins, HN1, PAK1, and SPAG5, are potential early indicators of drug efficacy and point to previously less well-characterized response pathways in PCa cells. Some of the upregulated proteins such as 14-3-3 proteins and KLK2 may be useful early markers of adaptive response and indicate potential resistance pathways targetable as part of combination therapy to overcome drug resistance. The potential of 14-3-3ζ (YWHAZ) as a target is underscored by the independent observation, based on cancer genomics of surgical specimens, that its DNA copy number and transcript levels tend to increase with PCa disease progression. The combination of systematic drug perturbation combined with detailed observation of short-term molecular response using mass spectrometry is a potentially powerful tool to discover response markers and anti-resistance targets. Metastatic prostate cancer is often treated with pharmacological agents to prevent the tumor from expanding; however, despite advances in drug development patients often die of the disease. An international research team lead by Ruedi Aebersold (ETH Zürich, Switzerland) and Chris Sander (Dana Faber Cancer Institute, Boston, USA) asked how prostate cancer cells adapt to pharmacological treatment on the molecular protein level and find a general response in their prostate cancer model. Next, they asked if similar changes are found in prostate cancer patients. Indeed, the same proteins upregulated in prostate cancer models are also upregulated in prostate cancer patients. Immediately, this has implications for patient treatment stratification and opens new avenues for drug developments in metastatic prostate cancer.
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Das TK, Esernio J, Cagan RL. Restraining Network Response to Targeted Cancer Therapies Improves Efficacy and Reduces Cellular Resistance. Cancer Res 2018; 78:4344-4359. [DOI: 10.1158/0008-5472.can-17-2001] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 10/04/2017] [Accepted: 05/21/2018] [Indexed: 11/16/2022]
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46
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Fighting bacterial persistence: Current and emerging anti-persister strategies and therapeutics. Drug Resist Updat 2018; 38:12-26. [DOI: 10.1016/j.drup.2018.03.002] [Citation(s) in RCA: 123] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 03/07/2018] [Accepted: 03/25/2018] [Indexed: 01/13/2023]
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Fearon AE, Carter EP, Clayton NS, Wilkes EH, Baker AM, Kapitonova E, Bakhouche BA, Tanner Y, Wang J, Gadaleta E, Chelala C, Moore KM, Marshall JF, Chupin J, Schmid P, Jones JL, Lockley M, Cutillas PR, Grose RP. PHLDA1 Mediates Drug Resistance in Receptor Tyrosine Kinase-Driven Cancer. Cell Rep 2018; 22:2469-2481. [PMID: 29490281 PMCID: PMC5848852 DOI: 10.1016/j.celrep.2018.02.028] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 11/09/2017] [Accepted: 02/06/2018] [Indexed: 11/09/2022] Open
Abstract
Development of resistance causes failure of drugs targeting receptor tyrosine kinase (RTK) networks and represents a critical challenge for precision medicine. Here, we show that PHLDA1 downregulation is critical to acquisition and maintenance of drug resistance in RTK-driven cancer. Using fibroblast growth factor receptor (FGFR) inhibition in endometrial cancer cells, we identify an Akt-driven compensatory mechanism underpinned by downregulation of PHLDA1. We demonstrate broad clinical relevance of our findings, showing that PHLDA1 downregulation also occurs in response to RTK-targeted therapy in breast and renal cancer patients, as well as following trastuzumab treatment in HER2+ breast cancer cells. Crucially, knockdown of PHLDA1 alone was sufficient to confer de novo resistance to RTK inhibitors and induction of PHLDA1 expression re-sensitized drug-resistant cancer cells to targeted therapies, identifying PHLDA1 as a biomarker for drug response and highlighting the potential of PHLDA1 reactivation as a means of circumventing drug resistance.
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Affiliation(s)
- Abbie E Fearon
- Centre for Tumour Biology, Barts Cancer Institute-a CRUK Centre of Excellence, Queen Mary University of London, London EC1M 6BQ, UK
| | - Edward P Carter
- Centre for Tumour Biology, Barts Cancer Institute-a CRUK Centre of Excellence, Queen Mary University of London, London EC1M 6BQ, UK
| | - Natasha S Clayton
- Centre for Tumour Biology, Barts Cancer Institute-a CRUK Centre of Excellence, Queen Mary University of London, London EC1M 6BQ, UK
| | - Edmund H Wilkes
- Integrative Cell Signalling and Proteomics, Centre for Haemato-Oncology, Barts Cancer Institute, London EC1M 6BQ, UK
| | - Ann-Marie Baker
- Centre for Tumour Biology, Barts Cancer Institute-a CRUK Centre of Excellence, Queen Mary University of London, London EC1M 6BQ, UK
| | - Ekaterina Kapitonova
- Centre for Tumour Biology, Barts Cancer Institute-a CRUK Centre of Excellence, Queen Mary University of London, London EC1M 6BQ, UK
| | - Bakhouche A Bakhouche
- Centre for Tumour Biology, Barts Cancer Institute-a CRUK Centre of Excellence, Queen Mary University of London, London EC1M 6BQ, UK
| | - Yasmine Tanner
- Centre for Tumour Biology, Barts Cancer Institute-a CRUK Centre of Excellence, Queen Mary University of London, London EC1M 6BQ, UK
| | - Jun Wang
- Centre for Molecular Oncology, Barts Cancer Institute, London EC1M 6BQ, UK
| | - Emanuela Gadaleta
- Centre for Molecular Oncology, Barts Cancer Institute, London EC1M 6BQ, UK
| | - Claude Chelala
- Centre for Molecular Oncology, Barts Cancer Institute, London EC1M 6BQ, UK
| | - Kate M Moore
- Centre for Tumour Biology, Barts Cancer Institute-a CRUK Centre of Excellence, Queen Mary University of London, London EC1M 6BQ, UK
| | - John F Marshall
- Centre for Tumour Biology, Barts Cancer Institute-a CRUK Centre of Excellence, Queen Mary University of London, London EC1M 6BQ, UK
| | - Juliette Chupin
- Centre for Experimental Cancer Medicine, Barts Cancer Institute, London EC1M 6BQ, UK
| | - Peter Schmid
- Centre for Experimental Cancer Medicine, Barts Cancer Institute, London EC1M 6BQ, UK
| | - J Louise Jones
- Centre for Tumour Biology, Barts Cancer Institute-a CRUK Centre of Excellence, Queen Mary University of London, London EC1M 6BQ, UK
| | - Michelle Lockley
- Centre for Molecular Oncology, Barts Cancer Institute, London EC1M 6BQ, UK
| | - Pedro R Cutillas
- Integrative Cell Signalling and Proteomics, Centre for Haemato-Oncology, Barts Cancer Institute, London EC1M 6BQ, UK
| | - Richard P Grose
- Centre for Tumour Biology, Barts Cancer Institute-a CRUK Centre of Excellence, Queen Mary University of London, London EC1M 6BQ, UK.
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Kleczko EK, Heasley LE. Mechanisms of rapid cancer cell reprogramming initiated by targeted receptor tyrosine kinase inhibitors and inherent therapeutic vulnerabilities. Mol Cancer 2018; 17:60. [PMID: 29458371 PMCID: PMC5817864 DOI: 10.1186/s12943-018-0816-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 02/13/2018] [Indexed: 01/06/2023] Open
Abstract
Receptor tyrosine kinase (RTK) pathways serve as frequent oncogene drivers in solid cancers and small molecule and antibody-based inhibitors have been developed as targeted therapeutics for many of these oncogenic RTKs. In general, these drugs, when delivered as single agents in a manner consistent with the principles of precision medicine, induce tumor shrinkage but rarely complete tumor elimination. Moreover, acquired resistance of treated tumors is nearly invariant such that monotherapy strategies with targeted RTK drugs fail to provide long-term control or cures. The mechanisms mediating acquired resistance in tumors at progression treated with RTK inhibitors are relatively well defined compared to the molecular and cellular understanding of the cancer cells that persist early on therapy. We and others propose that these persisting cancer cells, termed "residual disease", provide the reservoir from which acquired resistance eventually emerges. Herein, we will review the literature that describes rapid reprogramming induced upon inhibition of oncogenic RTKs in cancer cells as a mechanism by which cancer cells persist to yield residual disease and consider strategies for disrupting these intrinsic responses for future therapeutic gain.
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Affiliation(s)
- Emily K. Kleczko
- Division of Renal Diseases and Hypertension, Department of Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045 USA
| | - Lynn E. Heasley
- Department of Craniofacial Biology, School of Dental Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045 USA
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Pugliero APS, Souza MAD, Melo LDL. From donation to self-reflection: living of volunteers of a toy library for children with cancer. ESCOLA ANNA NERY 2018. [DOI: 10.1590/2177-9465-ean-2017-0258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Abstract Objective: To understand what it means to be a volunteer in a cancer-affected children care unit´s toy library, located within the state of São Paulo. Method: Phenomenological study based on the assumptions related to the analysis of the stated phenomenon's structure, with eleven volunteers to be interviewed upon a guiding question: "What does it feel like to be a volunteer in a toy library used by children with cancer?". Results: From the volunteer's answers, three theme categories arose: self-oriented relations, group-oriented relations and world-oriented relations. Conclusion and implications for practice: Being a volunteer embraces diverse relationships that contribute to the self-knowledge of the individual, making it possible to review concepts, beliefs, values, according to the new times in which we live There is a need for volunteer empowerment for work as well as mental health care. Nurses play a fundamental role in this context.
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