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Montero V, Montana M, Carré M, Vanelle P. Quinoxaline derivatives: Recent discoveries and development strategies towards anticancer agents. Eur J Med Chem 2024; 271:116360. [PMID: 38614060 DOI: 10.1016/j.ejmech.2024.116360] [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: 12/20/2023] [Revised: 03/19/2024] [Accepted: 03/25/2024] [Indexed: 04/15/2024]
Abstract
Cancer is a leading cause of death and a major health problem worldwide. While many effective anticancer agents are available, most drugs currently on the market are not specific, raising issues like the common side effects of chemotherapy. However, recent research hold promises for the development of more efficient and safer anticancer drugs. Quinoxaline and its derivatives are becoming recognized as a novel class of chemotherapeutic agents with activity against different tumors. The present review compiles and discusses studies concerning the therapeutic potential of the anticancer activity of quinoxaline derivatives, covering articles published between January 2018 and January 2023.
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Affiliation(s)
- Vincent Montero
- Aix Marseille Univ, CNRS, ICR UMR 7273, Equipe Pharmaco-Chimie Radicalaire, Faculté de Pharmacie, CEDEX 05, 13385, Marseille, France; AP-HM, Service de Pharmacologie Clinique et Pharmacovigilance, Hôpital de la Timone, Marseille CEDEX 05, 13385, France.
| | - Marc Montana
- Aix Marseille Univ, CNRS, ICR UMR 7273, Equipe Pharmaco-Chimie Radicalaire, Faculté de Pharmacie, CEDEX 05, 13385, Marseille, France; AP-HM, Oncopharma, Hôpital Nord, Marseille, France
| | - Manon Carré
- Centre de Recherche en Cancérologie de Marseille (CRCM), Inserm UMR1068, CNRS UMR7258, Aix-Marseille Université UM105, Institut Paoli Calmettes - Faculté de Pharmacie, Marseille, France
| | - Patrice Vanelle
- Aix Marseille Univ, CNRS, ICR UMR 7273, Equipe Pharmaco-Chimie Radicalaire, Faculté de Pharmacie, CEDEX 05, 13385, Marseille, France; AP-HM, Service Central de la Qualité et de l'Information Pharmaceutiques, Hôpital Conception, Marseille, 13005, France
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Das S, Russon MP, Zea MP, Xing Z, Torregrosa-Allen S, Cervantes HE, Harper HA, Elzey BD, Tran EJ. Supinoxin blocks Small Cell Lung Cancer Progression by Inhibiting Mitochondrial Respiration through the RNA Helicase DDX5. RESEARCH SQUARE 2024:rs.3.rs-4169007. [PMID: 38699339 PMCID: PMC11065055 DOI: 10.21203/rs.3.rs-4169007/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2024]
Abstract
DDX5 is a DEAD-box RNA helicase that is overexpressed and implicated in progression of several cancers 1-4. One of these is small cell lung cancer (SCLC). Our laboratory has demonstrated that the RNA helicase DDX5 is essential for the invasive growth of SCLC and mitochondrial respiration 5. SCLC is an extremely lethal, recalcitrant tumor 6,7, causing 250,000 deaths annually worldwide 8 and currently lacking effective treatments 9,10. Supinoxin (RX 5902), a compound having anti-cancer activity 11, is a known target of phosphor-DDX5 12,13; Supinoxin blocks the interaction between β-catenin and phosphor-DDX5 13, thereby releasing β-catenin and allowing its degradation. In an effort to repurpose Supinoxin for treatment of SCLC, we conducted a series of in vitro and in vivo experiments. Supinoxin has been observed to impede the proliferation of H69AR cell lines. Additionally, Supinoxin has the potential to mitigate both the growth of H69AR xenograft tumors and SCLC PDX tumors in vivo at a dosage of 70mg/kg in immunocompromised mice. The findings indicate that the administration of Supinoxin is effective in suppressing the growth of tumors and enhancing the survival rate of mice with SCLC tumors. Subsequently, an effort was made to explore the molecular pathways involved in the activity of Supinoxin in Small Cell Lung Cancer (SCLC) cells. Surprisingly, we did not see any decrease in β-catenin levels or relocalization from the cytoplasm upon Supinoxin treatment. Moreover, we did not observe any decrease in the expression levels of β-catenin target genes thereby contradicting the current model. Based on our current data we found that the current model of Supinoxin activity is inaccurate. Additional investigations were conducted to explore the mechanisms by which Supinoxin affects small cell lung cancer (SCLC). Treatment with Supinoxin induced mitochondrial dysfunction in the chemoresistant small cell lung cancer (SCLC) cell line H69AR. The latter was evidenced by down-regulation of genes associated with oxidative phosphorylation. Thus, Supinoxin is a new therapeutic agent for small cell lung cancer (SCLC).
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Affiliation(s)
- Subhadeep Das
- Department of Biochemistry, Purdue University, BCHM A343, 175 S. University Street, West Lafayette, Indiana 47907-2063
- Purdue University Institute for Cancer Research, Purdue University, Hansen Life Sciences Research Building, Room 141, 201 S. University Street, West Lafayette, Indiana 47907-2064
| | - Matthew P. Russon
- Department of Biochemistry, Purdue University, BCHM A343, 175 S. University Street, West Lafayette, Indiana 47907-2063
| | - Maria P. Zea
- Department of Biochemistry, Purdue University, BCHM A343, 175 S. University Street, West Lafayette, Indiana 47907-2063
| | - Zheng Xing
- Department of Biochemistry, Purdue University, BCHM A343, 175 S. University Street, West Lafayette, Indiana 47907-2063
| | - Sandra Torregrosa-Allen
- Purdue University Institute for Cancer Research, Purdue University, Hansen Life Sciences Research Building, Room 141, 201 S. University Street, West Lafayette, Indiana 47907-2064
| | - Heidi E. Cervantes
- Purdue University Institute for Cancer Research, Purdue University, Hansen Life Sciences Research Building, Room 141, 201 S. University Street, West Lafayette, Indiana 47907-2064
| | - Haley Ann Harper
- Purdue University Institute for Cancer Research, Purdue University, Hansen Life Sciences Research Building, Room 141, 201 S. University Street, West Lafayette, Indiana 47907-2064
| | - Bennett D. Elzey
- Purdue University Institute for Cancer Research, Purdue University, Hansen Life Sciences Research Building, Room 141, 201 S. University Street, West Lafayette, Indiana 47907-2064
- Department of Comparative Pathobiology, Purdue University, West Lafayette, IN, USA
| | - Elizabeth J. Tran
- Department of Biochemistry, Purdue University, BCHM A343, 175 S. University Street, West Lafayette, Indiana 47907-2063
- Purdue University Institute for Cancer Research, Purdue University, Hansen Life Sciences Research Building, Room 141, 201 S. University Street, West Lafayette, Indiana 47907-2064
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3
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Pandit S, Duchow M, Chao W, Capasso A, Samanta D. DNA-Barcoded Plasmonic Nanostructures for Activity-Based Protease Sensing. Angew Chem Int Ed Engl 2024; 63:e202310964. [PMID: 37985161 DOI: 10.1002/anie.202310964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 11/16/2023] [Accepted: 11/16/2023] [Indexed: 11/22/2023]
Abstract
We report the development of a new class of protease activity sensors called DNA-barcoded plasmonic nanostructures. These probes are comprised of gold nanoparticles functionalized with peptide-DNA conjugates (GPDs), where the peptide is a substrate of the protease of interest. The DNA acts as a barcode identifying the peptide and facilitates signal amplification. Protease-mediated peptide cleavage frees the DNA from the nanoparticle surface, which is subsequently measured via a CRISPR/Cas12a-based assay as a proxy for protease activity. As proof-of-concept, we show activity-based, multiplexed detection of the SARS-CoV-2-associated protease, 3CL, and the apoptosis marker, caspase 3, with high sensitivity and selectivity. GPDs yield >25-fold turn-on signals, 100-fold improved response compared to commercial probes, and detection limits as low as 58 pM at room temperature. Moreover, nanomolar concentrations of proteases can be detected visually by leveraging the aggregation-dependent color change of the gold nanoparticles. We showcase the clinical potential of GPDs by detecting a colorectal cancer-associated protease, cathepsin B, in three different patient-derived cell lines. Taken together, GPDs detect physiologically relevant concentrations of active proteases in challenging biological samples, require minimal sample processing, and offer unmatched multiplexing capabilities (mediated by DNA), making them powerful chemical tools for biosensing and disease diagnostics.
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Affiliation(s)
- Subrata Pandit
- Department of Chemistry, The University of Texas at Austin, 105 E 24th St., Austin, TX 78712, USA
| | - Mark Duchow
- Department of Oncology, Dell Medical School, The University of Texas at Austin, 1601 Trinity St., Austin, TX 78712, USA
| | - Wilson Chao
- Department of Biochemistry, The University of Texas at Austin, 105 E 24th St., Austin, TX 78712, USA
| | - Anna Capasso
- Department of Oncology, Dell Medical School, The University of Texas at Austin, 1601 Trinity St., Austin, TX 78712, USA
| | - Devleena Samanta
- Department of Chemistry, The University of Texas at Austin, 105 E 24th St., Austin, TX 78712, USA
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Wang Y, Nie G, Wang X, Ge W, Zhang Y. Development of small molecule inhibitors targeting RNA helicase DHX33 as anti-cancer agents. Bioorg Med Chem Lett 2023; 96:129505. [PMID: 37838340 DOI: 10.1016/j.bmcl.2023.129505] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 09/19/2023] [Accepted: 10/07/2023] [Indexed: 10/16/2023]
Abstract
RNA helicase DHX33 has been identified to be a critical factor in promoting cancer development. Genetic deletion of DHX33 significantly blocks tumorigenesis. Importantly, its helicase activity was found to be pivotal for exerting cellular functions. Herein we used a helicase-based high throughput screening (HTS) to discover DHX33 inhibitors from Chembridge chemical library containing 15,000 small molecules. We identified a hit compound containing benzimidazole ring that demonstrated activity against DHX33 with certain selectivity. Further structural optimization led to the design and synthesis of a series of analog inhibitors. Considering the potential role of DHX33 in cancer development, the compounds were evaluated based on the cytotoxicity activity in U251-MG cancer cells in vitro. Among them, compound IVa (KY386) was identified to be a selective inhibitor for DHX33 helicase with potent anti-cancer activity and moderate metabolic stability. These results support the promising role of DHX33 inhibitors for development of novel anti-cancer drugs.
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Affiliation(s)
- Yingcai Wang
- Shenzhen KeYe Life Technologies Co., Ltd, Shenzhen, Guangdong 518000, China; Acme Bioscience, Inc, Palo Alto, CA 94303, USA
| | - Guangli Nie
- Shenzhen KeYe Life Technologies Co., Ltd, Shenzhen, Guangdong 518000, China
| | - Xingshun Wang
- Faculty of Health Sciences, University of Macau, Taipa, Macau, China; Southern University of Science and Technology, Shenzhen 518055, China
| | - Wei Ge
- Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - Yandong Zhang
- Shenzhen KeYe Life Technologies Co., Ltd, Shenzhen, Guangdong 518000, China.
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Talukdar PD, Chatterji U. Transcriptional co-activators: emerging roles in signaling pathways and potential therapeutic targets for diseases. Signal Transduct Target Ther 2023; 8:427. [PMID: 37953273 PMCID: PMC10641101 DOI: 10.1038/s41392-023-01651-w] [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: 04/18/2023] [Revised: 08/27/2023] [Accepted: 09/10/2023] [Indexed: 11/14/2023] Open
Abstract
Specific cell states in metazoans are established by the symphony of gene expression programs that necessitate intricate synergic interactions between transcription factors and the co-activators. Deregulation of these regulatory molecules is associated with cell state transitions, which in turn is accountable for diverse maladies, including developmental disorders, metabolic disorders, and most significantly, cancer. A decade back most transcription factors, the key enablers of disease development, were historically viewed as 'undruggable'; however, in the intervening years, a wealth of literature validated that they can be targeted indirectly through transcriptional co-activators, their confederates in various physiological and molecular processes. These co-activators, along with transcription factors, have the ability to initiate and modulate transcription of diverse genes necessary for normal physiological functions, whereby, deregulation of such interactions may foster tissue-specific disease phenotype. Hence, it is essential to analyze how these co-activators modulate specific multilateral processes in coordination with other factors. The proposed review attempts to elaborate an in-depth account of the transcription co-activators, their involvement in transcription regulation, and context-specific contributions to pathophysiological conditions. This review also addresses an issue that has not been dealt with in a comprehensive manner and hopes to direct attention towards future research that will encompass patient-friendly therapeutic strategies, where drugs targeting co-activators will have enhanced benefits and reduced side effects. Additional insights into currently available therapeutic interventions and the associated constraints will eventually reveal multitudes of advanced therapeutic targets aiming for disease amelioration and good patient prognosis.
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Affiliation(s)
- Priyanka Dey Talukdar
- Cancer Research Laboratory, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India
| | - Urmi Chatterji
- Cancer Research Laboratory, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India.
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Zhang H, Mi J, Xin Q, Cao W, Song C, Zhang N, Yuan C. Recent research and clinical progress of CTLA-4-based immunotherapy for breast cancer. Front Oncol 2023; 13:1256360. [PMID: 37860188 PMCID: PMC10582933 DOI: 10.3389/fonc.2023.1256360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 09/25/2023] [Indexed: 10/21/2023] Open
Abstract
Breast cancer is characterized by a high incidence rate and its treatment challenges, particularly in certain subtypes. Consequently, there is an urgent need for the development of novel therapeutic approaches. Immunotherapy utilizing immune checkpoint inhibitors (ICIs) is currently gaining momentum for the treatment of breast cancer. Substantial progress has been made in clinical studies employing cytotoxic T lymphocyte-associated antigen-4 (CTLA-4) inhibitors for breast cancer, but the cure rates are relatively low. To improve the efficacy of CTLA-4-based therapy for breast cancer, further research is imperative to explore more effective immune-based treatment strategies. In addition to monotherapy, CTLA-4 inhibitors are also being investigated in combination with other ICIs or alternative medications. However, it should be noted that immune-based treatments may cause adverse events. This review focuses on the mechanisms of CTLA-4 inhibitor monotherapy or combination therapy in breast cancer. We systematically summarize the latest research and clinical advances in CTLA-4-based immunotherapy for breast cancer, providing new perspectives on the treatment of breast cancer. In addition, this review highlights the immune-related adverse events (irAEs) associated with CTLA-4 inhibitors, providing insights into the development of appropriate clinical tumor immunotherapy regimens and intervention strategies.
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Affiliation(s)
- Hongsheng Zhang
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jintao Mi
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Qi Xin
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Weiwei Cao
- Department of Clinical Laboratory, People’s Hospital of Deyang City, Deyang, China
| | - Chunjiao Song
- Department of Clinical Laboratory, People’s Hospital of Deyang City, Deyang, China
| | - Naidan Zhang
- Department of Clinical Laboratory, People’s Hospital of Deyang City, Deyang, China
| | - Chengliang Yuan
- Department of Clinical Laboratory, People’s Hospital of Deyang City, Deyang, China
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Tabassum S, Basu M, Ghosh MK. The DEAD-box RNA helicase DDX5 (p68) and β-catenin: The crucial regulators of FOXM1 gene expression in arbitrating colorectal cancer. BIOCHIMICA ET BIOPHYSICA ACTA (BBA) - GENE REGULATORY MECHANISMS 2023; 1866:194933. [PMID: 36997114 DOI: 10.1016/j.bbagrm.2023.194933] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 02/23/2023] [Accepted: 03/22/2023] [Indexed: 03/31/2023]
Abstract
Forkhead box M1 (FOXM1), a vital member of the Forkhead box family of transcription factors, helps in mediating oncogenesis. However, limited knowledge exists regarding the mechanistic insights into the FOXM1 gene regulation. DDX5 (p68), an archetypal member of the DEAD-box family of RNA helicases, shows multifaceted action in cancer progression by arbitrating RNA metabolism and transcriptionally coactivating transcription factors. Here, we report a novel mechanism of alliance between DDX5 (p68) and the Wnt/β-catenin pathway in regulating FOXM1 gene expression and driving colon carcinogenesis. Initial bioinformatic analyses highlighted elevated expression levels of FOXM1 and DDX5 (p68) in colorectal cancer datasets. Immunohistochemical assays confirmed that FOXM1 showed a positive correlation with DDX5 (p68) and β-catenin in both normal and colon carcinoma patient samples. Overexpression of DDX5 (p68) and β-catenin increased the protein and mRNA expression profiles of FOXM1, and the converse correlation occurred during downregulation. Mechanistically, overexpression and knockdown of DDX5 (p68) and β-catenin elevated and diminished FOXM1 promoter activity respectively. Additionally, Chromatin immunoprecipitation assay demonstrated the occupancy of DDX5 (p68) and β-catenin at the TCF4/LEF binding element (TBE) sites on the FOXM1 promoter. Thiostrepton delineated the effect of FOXM1 inhibition on cell proliferation and migration. Colony formation assay, migration assay, and cell cycle data reveal the importance of the DDX5 (p68)/β-catenin/FOXM1 axis in oncogenesis. Collectively, our study mechanistically highlights the regulation of FOXM1 gene expression by DDX5 (p68) and β-catenin in colorectal cancer.
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Naineni SK, Robert F, Nagar B, Pelletier J. Targeting DEAD-box RNA helicases: The emergence of molecular staples. WILEY INTERDISCIPLINARY REVIEWS. RNA 2023; 14:e1738. [PMID: 35581936 DOI: 10.1002/wrna.1738] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/13/2022] [Accepted: 04/16/2022] [Indexed: 12/29/2022]
Abstract
RNA helicases constitute a large family of proteins that play critical roles in mediating RNA function. They have been implicated in all facets of gene expression pathways involving RNA, from transcription to processing, transport and translation, and storage and decay. There is significant interest in developing small molecule inhibitors to RNA helicases as some family members have been documented to be dysregulated in neurological and neurodevelopment disorders, as well as in cancers. Although different functional properties of RNA helicases offer multiple opportunities for small molecule development, molecular staples have recently come to the forefront. These bifunctional molecules interact with both protein and RNA components to lock them together, thereby imparting novel gain-of-function properties to their targets. This article is categorized under: RNA Interactions with Proteins and Other Molecules > Small Molecule-RNA Interactions RNA Interactions with Proteins and Other Molecules > Protein-RNA Interactions: Functional Implications.
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Affiliation(s)
- Sai Kiran Naineni
- Department of Biochemistry, McGill University, Montreal, Quebec, Canada
| | - Francis Robert
- Department of Biochemistry, McGill University, Montreal, Quebec, Canada
| | - Bhushan Nagar
- Department of Biochemistry, McGill University, Montreal, Quebec, Canada
| | - Jerry Pelletier
- Department of Biochemistry, McGill University, Montreal, Quebec, Canada.,Department of Oncology, McGill University, Montreal, Quebec, Canada.,Rosalind and Morris Goodman Cancer Institute, McGill University, Montreal, Quebec, Canada
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Le TK, Cherif C, Omabe K, Paris C, Lannes F, Audebert S, Baudelet E, Hamimed M, Barbolosi D, Finetti P, Bastide C, Fazli L, Gleave M, Bertucci F, Taïeb D, Rocchi P. DDX5 mRNA-targeting antisense oligonucleotide as a new promising therapeutic in combating castration-resistant prostate cancer. Mol Ther 2023; 31:471-486. [PMID: 35965411 PMCID: PMC9931527 DOI: 10.1016/j.ymthe.2022.08.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 06/26/2022] [Accepted: 08/09/2022] [Indexed: 02/07/2023] Open
Abstract
The heat shock protein 27 (Hsp27) has emerged as a principal factor of the castration-resistant prostate cancer (CRPC) progression. Also, an antisense oligonucleotide (ASO) against Hsp27 (OGX-427 or apatorsen) has been assessed in different clinical trials. Here, we illustrate that Hsp27 highly regulates the expression of the human DEAD-box protein 5 (DDX5), and we define DDX5 as a novel therapeutic target for CRPC treatment. DDX5 overexpression is strongly correlated with aggressive tumor features, notably with CRPC. DDX5 downregulation using a specific ASO-based inhibitor that acts on DDX5 mRNAs inhibits cell proliferation in preclinical models, and it particularly restores the treatment sensitivity of CRPC. Interestingly, through the identification and analysis of DDX5 protein interaction networks, we have identified some specific functions of DDX5 in CRPC that could contribute actively to tumor progression and therapeutic resistance. We first present the interactions of DDX5 and the Ku70/80 heterodimer and the transcription factor IIH, thereby uncovering DDX5 roles in different DNA repair pathways. Collectively, our study highlights critical functions of DDX5 contributing to CRPC progression and provides preclinical proof of concept that a combination of ASO-directed DDX5 inhibition with a DNA damage-inducing therapy can serve as a highly potential novel strategy to treat CRPC.
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Affiliation(s)
- Thi Khanh Le
- Predictive Oncology Laboratory, Centre de Recherche en Cancérologie de Marseille, Inserm UMR 1068, CNRS UMR 7258, Institut Paoli-Calmettes, Aix-Marseille University, 27 Bd. Leï Roure, 13273 Marseille, France; Department of Life Science, University of Science and Technology of Hanoi, Hanoi 000084, Vietnam
| | - Chaïma Cherif
- Predictive Oncology Laboratory, Centre de Recherche en Cancérologie de Marseille, Inserm UMR 1068, CNRS UMR 7258, Institut Paoli-Calmettes, Aix-Marseille University, 27 Bd. Leï Roure, 13273 Marseille, France
| | - Kenneth Omabe
- Predictive Oncology Laboratory, Centre de Recherche en Cancérologie de Marseille, Inserm UMR 1068, CNRS UMR 7258, Institut Paoli-Calmettes, Aix-Marseille University, 27 Bd. Leï Roure, 13273 Marseille, France
| | - Clément Paris
- Predictive Oncology Laboratory, Centre de Recherche en Cancérologie de Marseille, Inserm UMR 1068, CNRS UMR 7258, Institut Paoli-Calmettes, Aix-Marseille University, 27 Bd. Leï Roure, 13273 Marseille, France
| | - François Lannes
- Predictive Oncology Laboratory, Centre de Recherche en Cancérologie de Marseille, Inserm UMR 1068, CNRS UMR 7258, Institut Paoli-Calmettes, Aix-Marseille University, 27 Bd. Leï Roure, 13273 Marseille, France; Urology Deparment, AP-HM Hospital Nord, Aix-Marseille University, 13915 Marseille Cedex 20, France
| | - Stéphane Audebert
- Marseille Protéomique, Centre de Recherche en Cancérologie de Marseille, INSERM, CNRS, Institut Paoli-Calmettes, Aix-Marseille University, 13009 Marseille, France
| | - Emilie Baudelet
- Marseille Protéomique, Centre de Recherche en Cancérologie de Marseille, INSERM, CNRS, Institut Paoli-Calmettes, Aix-Marseille University, 13009 Marseille, France
| | - Mourad Hamimed
- Inria - Inserm team COMPO, COMPutational pharmacology and clinical Oncology, Centre Inria Sophia Antipolis - Méditerranée, Centre de Recherches en Cancérologie de Marseille, Inserm U1068, CNRS UMR7258, Institut Paoli-Calmettes, Aix-Marseille University, 27 Boulevard Jean Moulin, 13005 Marseille, France
| | - Dominique Barbolosi
- Inria - Inserm team COMPO, COMPutational pharmacology and clinical Oncology, Centre Inria Sophia Antipolis - Méditerranée, Centre de Recherches en Cancérologie de Marseille, Inserm U1068, CNRS UMR7258, Institut Paoli-Calmettes, Aix-Marseille University, 27 Boulevard Jean Moulin, 13005 Marseille, France
| | - Pascal Finetti
- Predictive Oncology Laboratory, Centre de Recherche en Cancérologie de Marseille, Inserm UMR 1068, CNRS UMR 7258, Institut Paoli-Calmettes, Aix-Marseille University, 27 Bd. Leï Roure, 13273 Marseille, France
| | - Cyrille Bastide
- Urology Deparment, AP-HM Hospital Nord, Aix-Marseille University, 13915 Marseille Cedex 20, France
| | - Ladan Fazli
- The Vancouver Prostate Centre, University of British Columbia, Vancouver, BC V6H 3Z6, Canada
| | - Martin Gleave
- The Vancouver Prostate Centre, University of British Columbia, Vancouver, BC V6H 3Z6, Canada
| | - François Bertucci
- Predictive Oncology Laboratory, Centre de Recherche en Cancérologie de Marseille, Inserm UMR 1068, CNRS UMR 7258, Institut Paoli-Calmettes, Aix-Marseille University, 27 Bd. Leï Roure, 13273 Marseille, France
| | - David Taïeb
- Predictive Oncology Laboratory, Centre de Recherche en Cancérologie de Marseille, Inserm UMR 1068, CNRS UMR 7258, Institut Paoli-Calmettes, Aix-Marseille University, 27 Bd. Leï Roure, 13273 Marseille, France; La Timone University Hospital, Aix-Marseille University, 13005 Marseille, France; European Center for Research in Medical Imaging, Aix-Marseille University, 13005 Marseille, France
| | - Palma Rocchi
- Predictive Oncology Laboratory, Centre de Recherche en Cancérologie de Marseille, Inserm UMR 1068, CNRS UMR 7258, Institut Paoli-Calmettes, Aix-Marseille University, 27 Bd. Leï Roure, 13273 Marseille, France; European Center for Research in Medical Imaging, Aix-Marseille University, 13005 Marseille, France.
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The RNA helicase DDX5 cooperates with EHMT2 to sustain alveolar rhabdomyosarcoma growth. Cell Rep 2022; 40:111267. [PMID: 36044855 DOI: 10.1016/j.celrep.2022.111267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 06/14/2022] [Accepted: 08/05/2022] [Indexed: 11/24/2022] Open
Abstract
Rhabdomyosarcoma (RMS) is the most common soft-tissue sarcoma of childhood characterized by the inability to exit the proliferative myoblast-like stage. The alveolar fusion positive subtype (FP-RMS) is the most aggressive and is mainly caused by the expression of PAX3/7-FOXO1 oncoproteins, which are challenging pharmacological targets. Here, we show that the DEAD box RNA helicase 5 (DDX5) is overexpressed in alveolar RMS cells and that its depletion and pharmacological inhibition decrease FP-RMS viability and slow tumor growth in xenograft models. Mechanistically, we provide evidence that DDX5 functions upstream of the EHMT2/AKT survival signaling pathway, by directly interacting with EHMT2 mRNA, modulating its stability and consequent protein expression. We show that EHMT2 in turns regulates PAX3-FOXO1 activity in a methylation-dependent manner, thus sustaining FP-RMS myoblastic state. Together, our findings identify another survival-promoting loop in FP-RMS and highlight DDX5 as a potential therapeutic target to arrest RMS growth.
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Xu K, Sun S, Yan M, Cui J, Yang Y, Li W, Huang X, Dou L, Chen B, Tang W, Lan M, Li J, Shen T. DDX5 and DDX17—multifaceted proteins in the regulation of tumorigenesis and tumor progression. Front Oncol 2022; 12:943032. [PMID: 35992805 PMCID: PMC9382309 DOI: 10.3389/fonc.2022.943032] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 07/07/2022] [Indexed: 12/15/2022] Open
Abstract
DEAD-box (DDX)5 and DDX17, which belong to the DEAD-box RNA helicase family, are nuclear and cytoplasmic shuttle proteins. These proteins are expressed in most tissues and cells and participate in the regulation of normal physiological functions; their abnormal expression is closely related to tumorigenesis and tumor progression. DDX5/DDX17 participate in almost all processes of RNA metabolism, such as the alternative splicing of mRNA, biogenesis of microRNAs (miRNAs) and ribosomes, degradation of mRNA, interaction with long noncoding RNAs (lncRNAs) and coregulation of transcriptional activity. Moreover, different posttranslational modifications, such as phosphorylation, acetylation, ubiquitination, and sumoylation, endow DDX5/DDX17 with different functions in tumorigenesis and tumor progression. Indeed, DDX5 and DDX17 also interact with multiple key tumor-promoting molecules and participate in tumorigenesis and tumor progression signaling pathways. When DDX5/DDX17 expression or their posttranslational modification is dysregulated, the normal cellular signaling network collapses, leading to many pathological states, including tumorigenesis and tumor development. This review mainly discusses the molecular structure features and biological functions of DDX5/DDX17 and their effects on tumorigenesis and tumor progression, as well as their potential clinical application for tumor treatment.
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Affiliation(s)
- Kun Xu
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China
| | - Shenghui Sun
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China
| | - Mingjing Yan
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China
- Peking University Fifth School of Clinical Medicine, Beijing, China
| | - Ju Cui
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China
| | - Yao Yang
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China
| | - Wenlin Li
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China
| | - Xiuqing Huang
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China
| | - Lin Dou
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China
| | - Beidong Chen
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China
| | - Weiqing Tang
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China
| | - Ming Lan
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China
| | - Jian Li
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China
| | - Tao Shen
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology of National Health Commission, Beijing, China
- *Correspondence: Tao Shen,
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Tabassum S, Ghosh MK. DEAD-box RNA helicases with special reference to p68: Unwinding their biology, versatility, and therapeutic opportunity in cancer. Genes Dis 2022. [DOI: 10.1016/j.gendis.2022.02.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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13
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Li F, Fountzilas C, Puzanov I, Attwood KM, Morrison C, Ling X. Multiple functions of the DEAD-box RNA helicase, DDX5 (p68), make DDX5 a superior oncogenic biomarker and target for targeted cancer therapy. Am J Cancer Res 2021; 11:5190-5213. [PMID: 34765320 PMCID: PMC8569338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Accepted: 08/22/2021] [Indexed: 06/13/2023] Open
Abstract
DDX5 (p68) is a well-known multifunctional DEAD-box RNA helicase and a transcription cofactor. Since its initial discovery more than three decades ago, DDX5 is gradually recognized as a potential biomarker and target for the treatment of various cancer types. Studies over the years significantly expanded our understanding of the functional diversity of DDX5 in various cancer types and extended our knowledge of its Mechanism of Action (MOA). This provides a rationale for the development of novel cancer therapeutics by using DDX5 as a biomarker and a therapeutic target. However, while most of the published studies have found DDX5 to be an oncogenic target and a cancer treatment-resistant biomarker, a few studies have reported that in certain scenarios, DDX5 may act as a tumor suppressor. After careful review of all the available relevant studies in the literature, we found that the multiple functions of DDX5 make it both a superior independent oncogenic biomarker and target for targeted cancer therapy. In this article, we will summarize the relevant studies on DDX5 in literature with a careful analysis and discussion of any inconsistencies encountered, and then provide our conclusions with respect to understanding the MOA of FL118, a novel small molecule. We hope that such a review will stimulate further discussion on this topic and assist in developing better strategies to treat cancer by using DDX5 as both an oncogenic biomarker and therapeutic target.
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Affiliation(s)
- Fengzhi Li
- Department of Pharmacology & Therapeutics, Roswell Park Comprehensive Cancer CenterBuffalo, New York 14263, USA
- Department of Developmental Therapeutics Program, Roswell Park Comprehensive Cancer CenterBuffalo, New York 14263, USA
| | - Christos Fountzilas
- Department of Medicine, Roswell Park Comprehensive Cancer CenterBuffalo, New York 14263, USA
- Department of Alliance for Clinical Trials in Oncology Pancreatic Ductal Adenocarcinoma Working Group, Roswell Park Comprehensive Cancer CenterBuffalo, New York 14263, USA
- Department of Developmental Therapeutics Program, Roswell Park Comprehensive Cancer CenterBuffalo, New York 14263, USA
| | - Igor Puzanov
- Department of Medicine, Roswell Park Comprehensive Cancer CenterBuffalo, New York 14263, USA
- Department of Developmental Therapeutics Program, Roswell Park Comprehensive Cancer CenterBuffalo, New York 14263, USA
| | - Kristopher M Attwood
- Department of Biostatistics & Bioinformatics, Roswell Park Comprehensive Cancer CenterBuffalo, New York 14263, USA
- Department of Developmental Therapeutics Program, Roswell Park Comprehensive Cancer CenterBuffalo, New York 14263, USA
| | - Carl Morrison
- Department of Pathology & Laboratory Medicine, Roswell Park Comprehensive Cancer CenterBuffalo, New York 14263, USA
| | - Xiang Ling
- Department of Pharmacology & Therapeutics, Roswell Park Comprehensive Cancer CenterBuffalo, New York 14263, USA
- Canget BioTekpharma LLCBuffalo, New York 14203, USA
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DEAD-Box RNA Helicases in Cell Cycle Control and Clinical Therapy. Cells 2021; 10:cells10061540. [PMID: 34207140 PMCID: PMC8234093 DOI: 10.3390/cells10061540] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/11/2021] [Accepted: 06/15/2021] [Indexed: 12/11/2022] Open
Abstract
Cell cycle is regulated through numerous signaling pathways that determine whether cells will proliferate, remain quiescent, arrest, or undergo apoptosis. Abnormal cell cycle regulation has been linked to many diseases. Thus, there is an urgent need to understand the diverse molecular mechanisms of how the cell cycle is controlled. RNA helicases constitute a large family of proteins with functions in all aspects of RNA metabolism, including unwinding or annealing of RNA molecules to regulate pre-mRNA, rRNA and miRNA processing, clamping protein complexes on RNA, or remodeling ribonucleoprotein complexes, to regulate gene expression. RNA helicases also regulate the activity of specific proteins through direct interaction. Abnormal expression of RNA helicases has been associated with different diseases, including cancer, neurological disorders, aging, and autosomal dominant polycystic kidney disease (ADPKD) via regulation of a diverse range of cellular processes such as cell proliferation, cell cycle arrest, and apoptosis. Recent studies showed that RNA helicases participate in the regulation of the cell cycle progression at each cell cycle phase, including G1-S transition, S phase, G2-M transition, mitosis, and cytokinesis. In this review, we discuss the essential roles and mechanisms of RNA helicases in the regulation of the cell cycle at different phases. For that, RNA helicases provide a rich source of targets for the development of therapeutic or prophylactic drugs. We also discuss the different targeting strategies against RNA helicases, the different types of compounds explored, the proposed inhibitory mechanisms of the compounds on specific RNA helicases, and the therapeutic potential of these compounds in the treatment of various disorders.
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15
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NLRP3 augmented resistance to gemcitabine in triple-negative breast cancer cells via EMT/IL-1β/Wnt/β-catenin signaling pathway. Biosci Rep 2021; 40:225471. [PMID: 32578856 PMCID: PMC7335831 DOI: 10.1042/bsr20200730] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 05/30/2020] [Accepted: 06/08/2020] [Indexed: 02/06/2023] Open
Abstract
Background: Gemcitabine is widely used in the treatment of breast cancer (BC). However, the resistance to drugs remains a tough concern. The study explored the potential mechanism concerning gemcitabine resistance in triple-negative BC (TNBC) in vitro. Methods: TNBC cells (TNBCC) and gemcitabine-resistance cell lines (GRC) were used. We investigated the sensitivity to gemcitabine responsive to regulation of Nod-like receptor protein 3 (NLRP3) expression in TNBCC in different gemcitabine concentrations. RT-PCR checked NLRP3 mRNA expression and MTT assessed the cell cytotoxicity. Gemcitabine resistance was studied in GRC exposed to 0, 1, 3, 5 nm gemcitabine after GRC were treated with NLRP3 agonist Nigericin sodium salt (NSS) or antagonist CY-09. Epithelial-to-mesenchymal transition (EMT) biomarkers were evaluated via RT-PCR and inflammasome IL-1β, β-catenin content and GSK-3β activity were measured by ELISA methods. Last, we inactivated the signaling and examined the NLRP3, EMT mRNA expression by RT-PCR, IL-1β, β-catenin content and GSK-3β activity by ELISA and cell cytotoxicity through MTT. Results: NLRP3 up-regulation improved cell survival and reduced sensitivity to gemcitabine (P<0.05). NLRP3 had higher expression in GRC than TNBCC. GRC cell viability dropped as the gemcitabine concentration increased. NLRP3 up-regulation added to resistance to gemcitabine in GRC (P<0.05). NLRP3 agonist might induce EMT process, activate wnt/β-catenin signaling and IL-1β, while inactivation of wnt/β-catenin signaling could result in the inhibition of NLRP3, IL-1β and EMT as well as cell viability in GRC (P<0.05). Conclusion: NLRP3 could enhance resistance to gemcitabine via IL-1β/EMT/Wnt/β-catenin signaling, which suggested that NLRP3 antagonist CY-09 might be incorporated into gemcitabine treatment for TNBC.
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Song YK, Seol YH, Kim MJ, Jeong JW, Choi HI, Lee SW, Chae YJ, Ahn S, Gong YD, Lee KR, Koo TS. Pharmacokinetic Characterization of Supinoxin and Its Physiologically Based Pharmacokinetic Modeling in Rats. Pharmaceutics 2021; 13:pharmaceutics13030373. [PMID: 33799884 PMCID: PMC7998731 DOI: 10.3390/pharmaceutics13030373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/04/2021] [Accepted: 03/08/2021] [Indexed: 11/23/2022] Open
Abstract
Supinoxin is a novel anticancer drug candidate targeting the Y593 phospho-p68 RNA helicase, by exhibiting antiproliferative activity and/or suppression of tumor growth. This study aimed to characterize the in vitro and in vivo pharmacokinetics of supinoxin and attempt physiologically based pharmacokinetic (PBPK) modeling in rats. Supinoxin has good permeability, comparable to that of metoprolol (high permeability compound) in Caco-2 cells, with negligible net absorptive or secretory transport observed. After an intravenous injection at a dose range of 0.5–5 mg/kg, the terminal half-life (i.e., 2.54–2.80 h), systemic clearance (i.e., 691–865 mL/h/kg), and steady state volume of distribution (i.e., 2040–3500 mL/kg) of supinoxin remained unchanged, suggesting dose-independent (i.e., dose-proportional) pharmacokinetics for the dose ranges studied. After oral administration, supinoxin showed modest absorption with an absolute oral bioavailability of 56.9–57.4%. The fecal recovery following intravenous and oral administration was 16.5% and 46.8%, respectively, whereas the urinary recoveries in both administration routes were negligible. Supinoxin was mainly eliminated via NADPH-dependent phase I metabolism (i.e., 58.5% of total clearance), while UDPGA-dependent phase II metabolism appeared negligible in the rat liver microsome. Supinoxin was most abundantly distributed in the adipose tissue, gut, and liver among the nine major tissues studied (i.e., the brain, liver, kidneys, heart, lungs, spleen, gut, muscles, and adipose tissue), and the tissue exposure profiles of supinoxin were well predicted with physiologically based pharmacokinetics.
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Affiliation(s)
- Yoo-Kyung Song
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology, Ochang-eup 28116, Korea; (Y.-K.S.); (M.J.K.); (J.-W.J.)
| | - Yun-Hwan Seol
- Graduate School of New Drug Discovery and Development, Chungnam National University, Daejeon 34134, Korea; (Y.-H.S.); (H.-I.C.); (S.-W.L.)
| | - Min Ju Kim
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology, Ochang-eup 28116, Korea; (Y.-K.S.); (M.J.K.); (J.-W.J.)
| | - Jong-Woo Jeong
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology, Ochang-eup 28116, Korea; (Y.-K.S.); (M.J.K.); (J.-W.J.)
| | - Hae-In Choi
- Graduate School of New Drug Discovery and Development, Chungnam National University, Daejeon 34134, Korea; (Y.-H.S.); (H.-I.C.); (S.-W.L.)
| | - Seung-Won Lee
- Graduate School of New Drug Discovery and Development, Chungnam National University, Daejeon 34134, Korea; (Y.-H.S.); (H.-I.C.); (S.-W.L.)
| | - Yoon-Jee Chae
- College of Pharmacy, Woosuk University, Wanju-Gun 55338, Korea;
| | - Sunjoo Ahn
- Therapeutics & Biotechnology Division, Korea Research Institute of Chemical Technology, Daejeon 34114, Korea;
| | - Young-Dae Gong
- Innovative Drug Library Research Center, Department of Chemistry, College of Science, Dongguk University, Seoul 04620, Korea;
| | - Kyeong-Ryoon Lee
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology, Ochang-eup 28116, Korea; (Y.-K.S.); (M.J.K.); (J.-W.J.)
- Correspondence: (K.-R.L.); (T.-S.K.)
| | - Tae-Sung Koo
- Graduate School of New Drug Discovery and Development, Chungnam National University, Daejeon 34134, Korea; (Y.-H.S.); (H.-I.C.); (S.-W.L.)
- Correspondence: (K.-R.L.); (T.-S.K.)
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17
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Lee MW, Miljanic M, Triplett T, Ramirez C, Aung KL, Eckhardt SG, Capasso A. Current methods in translational cancer research. Cancer Metastasis Rev 2021; 40:7-30. [PMID: 32929562 PMCID: PMC7897192 DOI: 10.1007/s10555-020-09931-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 09/04/2020] [Indexed: 12/22/2022]
Abstract
Recent developments in pre-clinical screening tools, that more reliably predict the clinical effects and adverse events of candidate therapeutic agents, has ushered in a new era of drug development and screening. However, given the rapid pace with which these models have emerged, the individual merits of these translational research tools warrant careful evaluation in order to furnish clinical researchers with appropriate information to conduct pre-clinical screening in an accelerated and rational manner. This review assesses the predictive utility of both well-established and emerging pre-clinical methods in terms of their suitability as a screening platform for treatment response, ability to represent pharmacodynamic and pharmacokinetic drug properties, and lastly debates the translational limitations and benefits of these models. To this end, we will describe the current literature on cell culture, organoids, in vivo mouse models, and in silico computational approaches. Particular focus will be devoted to discussing gaps and unmet needs in the literature as well as current advancements and innovations achieved in the field, such as co-clinical trials and future avenues for refinement.
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Affiliation(s)
- Michael W Lee
- Department of Medical Education, Dell Medical School, University of Texas at Austin, Austin, TX, USA
- Department of Oncology, Dell Medical School, University of Texas at Austin, Austin, TX, USA
- Livestrong Cancer Institutes, Dell Medical School, University of Texas at Austin, Austin, TX, USA
| | - Mihailo Miljanic
- Department of Oncology, Dell Medical School, University of Texas at Austin, Austin, TX, USA
- Livestrong Cancer Institutes, Dell Medical School, University of Texas at Austin, Austin, TX, USA
| | - Todd Triplett
- Department of Oncology, Dell Medical School, University of Texas at Austin, Austin, TX, USA
- Livestrong Cancer Institutes, Dell Medical School, University of Texas at Austin, Austin, TX, USA
| | - Craig Ramirez
- Department of Oncology, Dell Medical School, University of Texas at Austin, Austin, TX, USA
- Livestrong Cancer Institutes, Dell Medical School, University of Texas at Austin, Austin, TX, USA
| | - Kyaw L Aung
- Department of Oncology, Dell Medical School, University of Texas at Austin, Austin, TX, USA
- Livestrong Cancer Institutes, Dell Medical School, University of Texas at Austin, Austin, TX, USA
| | - S Gail Eckhardt
- Department of Oncology, Dell Medical School, University of Texas at Austin, Austin, TX, USA
- Livestrong Cancer Institutes, Dell Medical School, University of Texas at Austin, Austin, TX, USA
| | - Anna Capasso
- Department of Oncology, Dell Medical School, University of Texas at Austin, Austin, TX, USA.
- Livestrong Cancer Institutes, Dell Medical School, University of Texas at Austin, Austin, TX, USA.
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18
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Russon MP, Westerhouse KM, Tran EJ. Transcription, translation, and DNA repair: new insights from emerging noncanonical substrates of RNA helicases. Biol Chem 2020; 402:637-644. [PMID: 33857360 DOI: 10.1515/hsz-2020-0333] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 11/23/2020] [Indexed: 11/15/2022]
Abstract
RNA helicases are enzymes that exist in all domains of life whose canonical functions include ATP-dependent remodeling of RNA structures and displacement of proteins from ribonucleoprotein complexes (RNPs). These enzymes play roles in virtually all processes of RNA metabolism, including pre-mRNA splicing, rRNA processing, nuclear mRNA export, translation and RNA decay. Here we review emerging noncanonical substrates of RNA helicases including RNA-DNA hybrids (R-loops) and RNA and DNA G-quadruplexes and discuss their biological significance.
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Affiliation(s)
- Matthew P Russon
- Department of Biochemistry, Purdue University, BCHM A343, 175 S. University Street, West Lafayette, IN, 47907, USA
| | - Kirsten M Westerhouse
- Department of Biochemistry, Purdue University, BCHM A343, 175 S. University Street, West Lafayette, IN, 47907, USA
| | - Elizabeth J Tran
- Department of Biochemistry, Purdue University, BCHM A343, 175 S. University Street, West Lafayette, IN, 47907, USA.,Purdue University Center for Cancer Research, Purdue University, Hansen Life Sciences Research Building, Room 141, 201 S. University Street, West Lafayette, IN, 47907, USA
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19
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Wang Y, Li G, Deng M, Liu X, Huang W, Zhang Y, Liu M, Chen Y. The multifaceted functions of RNA helicases in the adaptive cellular response to hypoxia: From mechanisms to therapeutics. Pharmacol Ther 2020; 221:107783. [PMID: 33307143 DOI: 10.1016/j.pharmthera.2020.107783] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 11/26/2020] [Accepted: 11/30/2020] [Indexed: 02/08/2023]
Abstract
Hypoxia is a hallmark of cancer. Hypoxia-inducible factor (HIF), a master player for sensing and adapting to hypoxia, profoundly influences genome instability, tumor progression and metastasis, metabolic reprogramming, and resistance to chemotherapies and radiotherapies. High levels and activity of HIF result in poor clinical outcomes in cancer patients. Thus, HIFs provide ideal therapeutic targets for cancers. However, HIF biology is sophisticated, and currently available HIF inhibitors have limited clinical utility owing to their low efficacy or side effects. RNA helicases, which are master players in cellular RNA metabolism, are usually highly expressed in tumors to meet the increased oncoprotein biosynthesis demand. Intriguingly, recent findings provide convincing evidence that RNA helicases are crucial for the adaptive cellular response to hypoxia via a mutual regulation with HIFs. More importantly, some RNA helicase inhibitors may suppress HIF signaling by blocking the translation of HIF-responsive genes. Therefore, RNA helicase inhibitors may work synergistically with HIF inhibitors in cancer to improve treatment efficacy. In this review, we discuss current knowledge of how cells sense and adapt to hypoxia through HIFs. However, our primary focus is on the multiple functions of RNA helicases in the adaptive response to hypoxia. We also highlight how these hypoxia-related RNA helicases can be exploited for anti-cancer therapeutics.
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Affiliation(s)
- Yijie Wang
- Department of Pathology, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Guangqiang Li
- Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital Affiliated with Jinan University, Jinan University, Zhuhai, Guangdong 519000, China; Biomedical Translational Research Institute, Jinan University, Guangzhou, Guangdong 510632, China
| | - Mingxia Deng
- Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital Affiliated with Jinan University, Jinan University, Zhuhai, Guangdong 519000, China; Biomedical Translational Research Institute, Jinan University, Guangzhou, Guangdong 510632, China
| | - Xiong Liu
- School of Medicine, Jinan University, Guangzhou, Guangdong 510632, China
| | - Weixiao Huang
- School of Medicine, Jinan University, Guangzhou, Guangdong 510632, China
| | - Yao Zhang
- School of Medicine, Jinan University, Guangzhou, Guangdong 510632, China
| | - Min Liu
- Collaborative Innovation Center of Cell Biology in Universities of Shandong, College of Life Sciences, Shandong Normal University, Jinan, Shandong 250014, China
| | - Yan Chen
- Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital Affiliated with Jinan University, Jinan University, Zhuhai, Guangdong 519000, China; Biomedical Translational Research Institute, Jinan University, Guangzhou, Guangdong 510632, China; School of Medicine, Jinan University, Guangzhou, Guangdong 510632, China.
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20
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Tentler JJ, Lang J, Capasso A, Kim DJ, Benaim E, Lee YB, Eisen A, Bagby SM, Hartman SJ, Yacob BW, Gittleman B, Pitts TM, Pelanda R, Eckhardt SG, Diamond JR. RX-5902, a novel β-catenin modulator, potentiates the efficacy of immune checkpoint inhibitors in preclinical models of triple-negative breast Cancer. BMC Cancer 2020; 20:1063. [PMID: 33148223 PMCID: PMC7641792 DOI: 10.1186/s12885-020-07500-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 10/06/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Triple-negative breast cancer (TNBC) is an aggressive breast cancer subtype with limited systemic treatment options. RX-5902 is a novel anti-cancer agent that inhibits phosphorylated-p68 and thus attenuates nuclear β-catenin signaling. The purpose of this study was to evaluate the ability of β-catenin signaling blockade to enhance the efficacy of anti-CTLA-4 and anti-PD-1 immune checkpoint blockade in immunocompetent, preclinical models of TNBC. METHODS Treatment with RX-5902, anti-PD-1, anti-CTLA-4 or the combination was investigated in BALB/c mice injected with the 4 T1 TNBC cell line. Humanized BALB/c-Rag2nullIl2rγnullSIRPαNOD (hu-CB-BRGS) mice transplanted with a human immune system were implanted with MDA-MB-231 cells. Mice were randomized into treatment groups according to human hematopoietic chimerism and treated with RX-5902, anti-PD-1 or the combination. At sacrifice, bone marrow, lymph nodes, spleen and tumors were harvested for flow cytometry analysis of human immune cells. RESULTS The addition of RX-5902 to CTLA-4 or PD-1 inhibitors resulted in decreased tumor growth in the 4 T1 and human immune system and MDA-MB-231 xenograft models. Immunologic analyses demonstrated a significant increase in the number of activated T cells in tumor infiltrating lymphocytes (TILs) with RX-5902 treatment compared to vehicle (p < 0.05). In the RX-5902/nivolumab combination group, there was a significant increase in the percentage of CD4+ T cells in TILs and increased systemic granzyme B production (p < 0.01). CONCLUSIONS Conclusions: RX-5902 enhanced the efficacy of nivolumab in a humanized, preclinical model of TNBC. Several changes in immunologic profiles were noted in mice treated with RX-5902 and the combination, including an increase in activated TILs and a decrease in human myeloid populations, that are often associated with immunosuppression in a tumor microenvironment. RX-5902 also was shown to potentiate the effects of checkpoint inhibitors of CTLA4 and the PD-1 inhibitor in the 4 T-1 murine TNBC model. These findings indicate that RX-5902 may have important immunomodulatory, as well as anti-tumor activity, in TNBC when combined with a checkpoint inhibitor.
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Affiliation(s)
- John J Tentler
- Division of Medical Oncology, School of Medicine, University of Colorado Anschutz Medical Campus, 12801 E 17th Ave, MS8117, Aurora, CO, 80045, USA.
- University of Colorado Cancer Center, Anschutz Medical Campus, 12801 E 17th Ave, MS8117, Aurora, CO, 80045, USA.
| | - Julie Lang
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, USA
| | - Anna Capasso
- Dell Medical School, Department of Oncology, University of Texas at Austin, Austin, TX, USA
| | | | - Ely Benaim
- Rexahn Pharmaceuticals Inc., Rockville, MD, USA
| | - Young B Lee
- Rexahn Pharmaceuticals Inc., Rockville, MD, USA
| | | | - Stacey M Bagby
- Division of Medical Oncology, School of Medicine, University of Colorado Anschutz Medical Campus, 12801 E 17th Ave, MS8117, Aurora, CO, 80045, USA
| | - Sarah J Hartman
- Division of Medical Oncology, School of Medicine, University of Colorado Anschutz Medical Campus, 12801 E 17th Ave, MS8117, Aurora, CO, 80045, USA
| | - Betelehem W Yacob
- Division of Medical Oncology, School of Medicine, University of Colorado Anschutz Medical Campus, 12801 E 17th Ave, MS8117, Aurora, CO, 80045, USA
| | - Brian Gittleman
- Division of Medical Oncology, School of Medicine, University of Colorado Anschutz Medical Campus, 12801 E 17th Ave, MS8117, Aurora, CO, 80045, USA
| | - Todd M Pitts
- Division of Medical Oncology, School of Medicine, University of Colorado Anschutz Medical Campus, 12801 E 17th Ave, MS8117, Aurora, CO, 80045, USA
- University of Colorado Cancer Center, Anschutz Medical Campus, 12801 E 17th Ave, MS8117, Aurora, CO, 80045, USA
| | - Roberta Pelanda
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, USA
| | - S Gail Eckhardt
- Dell Medical School, Department of Oncology, University of Texas at Austin, Austin, TX, USA
| | - Jennifer R Diamond
- Division of Medical Oncology, School of Medicine, University of Colorado Anschutz Medical Campus, 12801 E 17th Ave, MS8117, Aurora, CO, 80045, USA
- University of Colorado Cancer Center, Anschutz Medical Campus, 12801 E 17th Ave, MS8117, Aurora, CO, 80045, USA
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Yu Z, Mersaoui SY, Guitton-Sert L, Coulombe Y, Song J, Masson JY, Richard S. DDX5 resolves R-loops at DNA double-strand breaks to promote DNA repair and avoid chromosomal deletions. NAR Cancer 2020; 2:zcaa028. [PMID: 33015627 PMCID: PMC7520851 DOI: 10.1093/narcan/zcaa028] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 08/25/2020] [Accepted: 09/10/2020] [Indexed: 02/07/2023] Open
Abstract
R-loops are three-stranded structures consisting of a DNA/RNA hybrid and a displaced DNA strand. The regulatory factors required to process this fundamental genetic structure near double-strand DNA breaks (DSBs) are not well understood. We previously reported that cellular depletion of the ATP-dependent DEAD box RNA helicase DDX5 increases R-loops genome-wide causing genomic instability. In this study, we define a pivotal role for DDX5 in clearing R-loops at or near DSBs enabling proper DNA repair to avoid aberrations such as chromosomal deletions. Remarkably, using the non-homologous end joining reporter gene (EJ5-GFP), we show that DDX5-deficient U2OS cells exhibited asymmetric end deletions on the side of the DSBs where there is overlap with a transcribed gene. Cross-linking and immunoprecipitation showed that DDX5 bound RNA transcripts near DSBs and required its helicase domain and the presence of DDX5 near DSBs was also shown by chromatin immunoprecipitation. DDX5 was excluded from DSBs in a transcription- and ATM activation-dependent manner. Using DNA/RNA immunoprecipitation, we show DDX5-deficient cells had increased R-loops near DSBs. Finally, DDX5 deficiency led to delayed exonuclease 1 and replication protein A recruitment to laser irradiation-induced DNA damage sites, resulting in homologous recombination repair defects. Our findings define a role for DDX5 in facilitating the clearance of RNA transcripts overlapping DSBs to ensure proper DNA repair.
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Affiliation(s)
- Zhenbao Yu
- Segal Cancer Center, Lady Davis Institute for Medical Research and Gerald Bronfman Department of Oncology and Departments of Biochemistry, Human Genetics and Medicine, McGill University, Montréal, Québec H3T 1E2, Canada
| | - Sofiane Y Mersaoui
- Segal Cancer Center, Lady Davis Institute for Medical Research and Gerald Bronfman Department of Oncology and Departments of Biochemistry, Human Genetics and Medicine, McGill University, Montréal, Québec H3T 1E2, Canada
| | - Laure Guitton-Sert
- Genome Stability Laboratory, CHU de Québec Research Center, Oncology Axis, Department of Molecular Biology, Medical Biochemistry and Pathology, Laval University Cancer Research Center, 9 McMahon, Québec City, Québec G1R 3S3, Canada
| | - Yan Coulombe
- Genome Stability Laboratory, CHU de Québec Research Center, Oncology Axis, Department of Molecular Biology, Medical Biochemistry and Pathology, Laval University Cancer Research Center, 9 McMahon, Québec City, Québec G1R 3S3, Canada
| | - Jingwen Song
- Segal Cancer Center, Lady Davis Institute for Medical Research and Gerald Bronfman Department of Oncology and Departments of Biochemistry, Human Genetics and Medicine, McGill University, Montréal, Québec H3T 1E2, Canada
| | - Jean-Yves Masson
- Genome Stability Laboratory, CHU de Québec Research Center, Oncology Axis, Department of Molecular Biology, Medical Biochemistry and Pathology, Laval University Cancer Research Center, 9 McMahon, Québec City, Québec G1R 3S3, Canada
| | - Stéphane Richard
- Segal Cancer Center, Lady Davis Institute for Medical Research and Gerald Bronfman Department of Oncology and Departments of Biochemistry, Human Genetics and Medicine, McGill University, Montréal, Québec H3T 1E2, Canada
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