1
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Batra N, Tu MJ, Yu AM. Molecular Engineering of Functional SiRNA Agents. ACS Synth Biol 2024; 13:1906-1915. [PMID: 38733599 PMCID: PMC11197084 DOI: 10.1021/acssynbio.4c00181] [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: 03/12/2024] [Revised: 04/17/2024] [Accepted: 04/30/2024] [Indexed: 05/13/2024]
Abstract
Synthetic biology constitutes a scientific domain focused on intentional redesign of organisms to confer novel functionalities or create new products through strategic engineering of their genetic makeup. Leveraging the inherent capabilities of nature, one may address challenges across diverse sectors including medicine. Inspired by this concept, we have developed an innovative bioengineering platform, enabling high-yield and large-scale production of biological small interfering RNA (BioRNA/siRNA) agents via bacterial fermentation. Herein, we show that with the use of a new tRNA fused pre-miRNA carrier, we can produce various forms of BioRNA/siRNA agents within living host cells. We report a high-level overexpression of nine target BioRNA/siRNA molecules at 100% success rate, yielding 3-10 mg of BioRNA/siRNA per 0.25 L of bacterial culture with high purity (>98%) and low endotoxin (<5 EU/μg RNA). Furthermore, we demonstrate that three representative BioRNA/siRNAs against GFP, BCL2, and PD-L1 are biologically active and can specifically and efficiently silence their respective targets with the potential to effectively produce downstream antiproliferation effects by PD-L1-siRNA. With these promising results, we aim to advance the field of synthetic biology by offering a novel platform to bioengineer functional siRNA agents for research and drug development.
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Affiliation(s)
- Neelu Batra
- Department of Biochemistry
and Molecular Medicine, UC Davis School
of Medicine, Sacramento, California 95817, United States
| | - Mei-Juan Tu
- Department of Biochemistry
and Molecular Medicine, UC Davis School
of Medicine, Sacramento, California 95817, United States
| | - Ai-Ming Yu
- Department of Biochemistry
and Molecular Medicine, UC Davis School
of Medicine, Sacramento, California 95817, United States
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2
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Pei J, Tian Y, Dang Y, Ye W, Liu X, Zhao N, Han J, Yang Y, Zhou Z, Zhu X, Zhang H, Ali A, Li Y, Zhang F, Lei Y, Qian A. Flexible nano-liposomes-encapsulated recombinant UL8-siRNA (r/si-UL8) based on bioengineering strategy inhibits herpes simplex virus-1 infection. Antiviral Res 2024; 228:105936. [PMID: 38908520 DOI: 10.1016/j.antiviral.2024.105936] [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: 02/20/2024] [Revised: 06/10/2024] [Accepted: 06/13/2024] [Indexed: 06/24/2024]
Abstract
Herpes simplex virus-1 (HSV-1) infection can cause various diseases and the current therapeutics have limited efficacy. Small interfering RNA (siRNA) therapeutics are a promising approach against infectious diseases by targeting the viral mRNAs directly. Recently, we employed a novel tRNA scaffold to produce recombinant siRNA agents with few natural posttranscriptional modifications. In this study, we aimed to develop a specific prodrug against HSV-1 infection based on siRNA therapeutics by bioengineering technology. We screened and found that UL8 of the HSV-1 genome was an ideal antiviral target based on RNAi. Next, we used a novel bio-engineering approach to manufacture recombinant UL8-siRNA (r/si-UL8) in Escherichia coli with high purity and activity. The r/si-UL8 was selectively processed to mature si-UL8 and significantly reduced the number of infectious virions in human cells. r/si-UL8 delivered by flexible nano-liposomes significantly decreased the viral load in the skin and improved the survival rate in the preventive mouse zosteriform model. Furthermore, r/si-UL8 also effectively inhibited HSV-1 infection in a 3D human epidermal skin model. Taken together, our results highlight that the novel siRNA bioengineering technology is a unique addition to the conventional approach for siRNA therapeutics and r/si-UL8 may be a promising prodrug for curing HSV-1 infection.
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Affiliation(s)
- Jiawei Pei
- Lab for Bone Metabolism, Xi'an Key Laboratory of Special Medicine and Health Engineering, Key Lab for Space Biosciences and Biotechnology, Research Center for Special Medicine and Health Systems Engineering, Northwestern Polytechnical University, Xi'an, 710072, China; Department of Microbiology, School of Preclinical Medicine, Airforce Medical University: Fourth Military Medical University, Xi'an, Shaanxi, China.
| | - Ye Tian
- Lab for Bone Metabolism, Xi'an Key Laboratory of Special Medicine and Health Engineering, Key Lab for Space Biosciences and Biotechnology, Research Center for Special Medicine and Health Systems Engineering, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Yamei Dang
- Department of Microbiology, School of Preclinical Medicine, Airforce Medical University: Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Wei Ye
- Department of Microbiology, School of Preclinical Medicine, Airforce Medical University: Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Xiaoqian Liu
- Department of Microbiology, School of Preclinical Medicine, Airforce Medical University: Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Ningbo Zhao
- Department of Microbiology, School of Preclinical Medicine, Airforce Medical University: Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Jiangfan Han
- Lab for Bone Metabolism, Xi'an Key Laboratory of Special Medicine and Health Engineering, Key Lab for Space Biosciences and Biotechnology, Research Center for Special Medicine and Health Systems Engineering, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Yongheng Yang
- Department of Microbiology, School of Preclinical Medicine, Airforce Medical University: Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Ziqing Zhou
- Department of Microbiology, School of Preclinical Medicine, Airforce Medical University: Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Xudong Zhu
- Department of Microbiology, School of Preclinical Medicine, Airforce Medical University: Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Hao Zhang
- Lab for Bone Metabolism, Xi'an Key Laboratory of Special Medicine and Health Engineering, Key Lab for Space Biosciences and Biotechnology, Research Center for Special Medicine and Health Systems Engineering, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Arshad Ali
- GMU-GIBH Joint School of Life Sciences, The Guangdong-Hong Kong-Macau Joint Laboratory for Cell Fate Regulation and Diseases, Guangzhou Medical University, China
| | - Yu Li
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Fanglin Zhang
- Department of Microbiology, School of Preclinical Medicine, Airforce Medical University: Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Yingfeng Lei
- Department of Microbiology, School of Preclinical Medicine, Airforce Medical University: Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Airong Qian
- Lab for Bone Metabolism, Xi'an Key Laboratory of Special Medicine and Health Engineering, Key Lab for Space Biosciences and Biotechnology, Research Center for Special Medicine and Health Systems Engineering, Northwestern Polytechnical University, Xi'an, 710072, China.
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3
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Rafieenia F, Ebrahimi SO, Emadi ES, Taheri F, Reiisi S. Bioengineered chimeric tRNA/pre-miRNAs as prodrugs in cancer therapy. Biotechnol Prog 2023; 39:e3387. [PMID: 37608520 DOI: 10.1002/btpr.3387] [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: 07/06/2023] [Revised: 08/08/2023] [Accepted: 08/09/2023] [Indexed: 08/24/2023]
Abstract
Today, biologic prodrugs have led to targeting specific tumor markers and have increased specificity and selectivity in cancer therapy. Various studies have shown the role of ncRNAs in cancer pathology and tumorigenesis and have suggested that ncRNAs, especially miRNAs, are valuable molecules in understanding cancer biology and therapeutic processes. Most miRNAs-based research and treatment are limited to chemically synthesized miRNAs. Synthetic alterations in these miRNA mimics may affect their folding, safety profile, and even biological activity. However, despite synthetic miRNA mimics produced by automated systems, various carriers could be used to achieve efficient production of bioengineered miRNAs through economical microbial fermentation. These bioengineered miRNAs as biological prodrugs could provide a new approach for safe therapeutic methods and drug production. In this regard, bioengineered chimeric miRNAs could be selectively processed to mature miRNAs in different types of cancer cells by targeting the desired gene and regulating cancer progression. In this article, we aim to review bioengineered miRNAs and their use in cancer therapy, as well as offering advances in this area, including the use of chimeric tRNA/pre-miRNAs.
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Affiliation(s)
- Fatemeh Rafieenia
- Department of Medical Genetics, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Seyed Omar Ebrahimi
- Department of Genetics, Faculty of Basic Sciences, Shahrekord University, Shahrekord, Iran
| | - Ensieh Sadat Emadi
- Department of Genetics, Faculty of Basic Sciences, Shahrekord University, Shahrekord, Iran
| | - Forough Taheri
- Department of Genetics, Sharekord Branch, Islamic Azad University, Sharekord
| | - Somayeh Reiisi
- Department of Genetics, Faculty of Basic Sciences, Shahrekord University, Shahrekord, Iran
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4
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Chen Y, Tu MJ, Han F, Liu Z, Batra N, Lara PN, Chen HW, Bi H, Yu AM. Use of recombinant microRNAs as antimetabolites to inhibit human non-small cell lung cancer. Acta Pharm Sin B 2023; 13:4273-4290. [PMID: 37799388 PMCID: PMC10547963 DOI: 10.1016/j.apsb.2023.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 03/13/2023] [Accepted: 05/18/2023] [Indexed: 10/07/2023] Open
Abstract
During the development of therapeutic microRNAs (miRNAs or miRs), it is essential to define their pharmacological actions. Rather, miRNA research and therapy mainly use miRNA mimics synthesized in vitro. After experimental screening of unique recombinant miRNAs produced in vivo, three lead antiproliferative miRNAs against human NSCLC cells, miR-22-3p, miR-9-5p, and miR-218-5p, were revealed to target folate metabolism by bioinformatic analyses. Recombinant miR-22-3p, miR-9-5p, and miR-218-5p were shown to regulate key folate metabolic enzymes to inhibit folate metabolism and subsequently alter amino acid metabolome in NSCLC A549 and H1975 cells. Isotope tracing studies further confirmed the disruption of one-carbon transfer from serine to folate metabolites by all three miRNAs, inhibition of glucose uptake by miR-22-3p, and reduction of serine biosynthesis from glucose by miR-9-5p and -218-5p in NSCLC cells. With greater activities to interrupt NSCLC cell respiration, glycolysis, and colony formation than miR-9-5p and -218-5p, recombinant miR-22-3p was effective to reduce tumor growth in two NSCLC patient-derived xenograft mouse models without causing any toxicity. These results establish a common antifolate mechanism and differential actions on glucose uptake and metabolism for three lead anticancer miRNAs as well as antitumor efficacy for miR-22-3p nanomedicine, which shall provide insight into developing antimetabolite RNA therapies.
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Affiliation(s)
- Yixin Chen
- Department of Biochemistry and Molecular Medicine, School of Medicine, UC Davis, Sacramento, CA 95817, USA
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Mei-Juan Tu
- Department of Biochemistry and Molecular Medicine, School of Medicine, UC Davis, Sacramento, CA 95817, USA
| | - Fangwei Han
- School of Public Health, UNT Health Science Center, Fort Worth, TX 76107, USA
| | - Zhenzhen Liu
- Department of Biochemistry and Molecular Medicine, School of Medicine, UC Davis, Sacramento, CA 95817, USA
| | - Neelu Batra
- Department of Biochemistry and Molecular Medicine, School of Medicine, UC Davis, Sacramento, CA 95817, USA
| | - Primo N. Lara
- Department of Internal Medicine, School of Medicine, UC Davis, Sacramento, CA 95817, USA
| | - Hong-Wu Chen
- Department of Biochemistry and Molecular Medicine, School of Medicine, UC Davis, Sacramento, CA 95817, USA
| | - Huichang Bi
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Ai-Ming Yu
- Department of Biochemistry and Molecular Medicine, School of Medicine, UC Davis, Sacramento, CA 95817, USA
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5
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Cronin JM, Yu AM. Recombinant Technologies Facilitate Drug Metabolism, Pharmacokinetics, and General Biomedical Research. Drug Metab Dispos 2023; 51:685-699. [PMID: 36948592 PMCID: PMC10197202 DOI: 10.1124/dmd.122.001008] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 03/08/2023] [Accepted: 03/09/2023] [Indexed: 03/24/2023] Open
Abstract
The development of safe and effective medications requires a profound understanding of their pharmacokinetic (PK) and pharmacodynamic properties. PK studies have been built through investigation of enzymes and transporters that drive drug absorption, distribution, metabolism, and excretion (ADME). Like many other disciplines, the study of ADME gene products and their functions has been revolutionized through the invention and widespread adoption of recombinant DNA technologies. Recombinant DNA technologies use expression vectors such as plasmids to achieve heterologous expression of a desired transgene in a specified host organism. This has enabled the purification of recombinant ADME gene products for functional and structural characterization, allowing investigators to elucidate their roles in drug metabolism and disposition. This strategy has also been used to offer recombinant or bioengineered RNA (BioRNA) agents to investigate the posttranscriptional regulation of ADME genes. Conventional research with small noncoding RNAs such as microRNAs (miRNAs) and small interfering RNAs has been dependent on synthetic RNA analogs that are known to carry a range of chemical modifications expected to improve stability and PK properties. Indeed, a novel transfer RNA fused pre-miRNA carrier-based bioengineering platform technology has been established to offer consistent and high-yield production of unparalleled BioRNA molecules from Escherichia coli fermentation. These BioRNAs are produced and processed inside living cells to better recapitulate the properties of natural RNAs, representing superior research tools to investigate regulatory mechanisms behind ADME. SIGNIFICANCE STATEMENT: This review article summarizes recombinant DNA technologies that have been an incredible boon in the study of drug metabolism and PK, providing investigators with powerful tools to express nearly any ADME gene products for functional and structural studies. It further overviews novel recombinant RNA technologies and discusses the utilities of bioengineered RNA agents for the investigation of ADME gene regulation and general biomedical research.
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Affiliation(s)
- Joseph M Cronin
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA (J.M.C., A.-M.Y.)
| | - Ai-Ming Yu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA (J.M.C., A.-M.Y.)
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6
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Tu MJ, Yu AM. Recent Advances in Novel Recombinant RNAs for Studying Post-transcriptional Gene Regulation in Drug Metabolism and Disposition. Curr Drug Metab 2023; 24:175-189. [PMID: 37170982 PMCID: PMC10825985 DOI: 10.2174/1389200224666230425232433] [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: 10/31/2022] [Revised: 03/02/2023] [Accepted: 03/08/2023] [Indexed: 05/13/2023]
Abstract
Drug-metabolizing enzymes and transporters are major determinants of the absorption, disposition, metabolism, and excretion (ADME) of drugs, and changes in ADME gene expression or function may alter the pharmacokinetics/ pharmacodynamics (PK/PD) and further influence drug safety and therapeutic outcomes. ADME gene functions are controlled by diverse factors, such as genetic polymorphism, transcriptional regulation, and coadministered medications. MicroRNAs (miRNAs) are a superfamily of regulatory small noncoding RNAs that are transcribed from the genome to regulate target gene expression at the post-transcriptional level. The roles of miRNAs in controlling ADME gene expression have been demonstrated, and such miRNAs may consequently influence cellular drug metabolism and disposition capacity. Several types of miRNA mimics and small interfering RNA (siRNA) reagents have been developed and widely used for ADME research. In this review article, we first provide a brief introduction to the mechanistic actions of miRNAs in post-transcriptional gene regulation of drug-metabolizing enzymes, transporters, and transcription factors. After summarizing conventional small RNA production methods, we highlight the latest advances in novel recombinant RNA technologies and applications of the resultant bioengineered RNA (BioRNA) agents to ADME studies. BioRNAs produced in living cells are not only powerful tools for general biological and biomedical research but also potential therapeutic agents amenable to clinical investigations.
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Affiliation(s)
- Mei-Juan Tu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Ai-Ming Yu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
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7
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Traber GM, Yu AM. RNAi-Based Therapeutics and Novel RNA Bioengineering Technologies. J Pharmacol Exp Ther 2023; 384:133-154. [PMID: 35680378 PMCID: PMC9827509 DOI: 10.1124/jpet.122.001234] [Citation(s) in RCA: 68] [Impact Index Per Article: 68.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 05/10/2022] [Accepted: 05/12/2022] [Indexed: 01/26/2023] Open
Abstract
RNA interference (RNAi) provides researchers with a versatile means to modulate target gene expression. The major forms of RNAi molecules, genome-derived microRNAs (miRNAs) and exogenous small interfering RNAs (siRNAs), converge into RNA-induced silencing complexes to achieve posttranscriptional gene regulation. RNAi has proven to be an adaptable and powerful therapeutic strategy where advancements in chemistry and pharmaceutics continue to bring RNAi-based drugs into the clinic. With four siRNA medications already approved by the US Food and Drug Administration (FDA), several RNAi-based therapeutics continue to advance to clinical trials with functions that closely resemble their endogenous counterparts. Although intended to enhance stability and improve efficacy, chemical modifications may increase risk of off-target effects by altering RNA structure, folding, and biologic activity away from their natural equivalents. Novel technologies in development today seek to use intact cells to yield true biologic RNAi agents that better represent the structures, stabilities, activities, and safety profiles of natural RNA molecules. In this review, we provide an examination of the mechanisms of action of endogenous miRNAs and exogenous siRNAs, the physiologic and pharmacokinetic barriers to therapeutic RNA delivery, and a summary of the chemical modifications and delivery platforms in use. We overview the pharmacology of the four FDA-approved siRNA medications (patisiran, givosiran, lumasiran, and inclisiran) as well as five siRNAs and several miRNA-based therapeutics currently in clinical trials. Furthermore, we discuss the direct expression and stable carrier-based, in vivo production of novel biologic RNAi agents for research and development. SIGNIFICANCE STATEMENT: In our review, we summarize the major concepts of RNA interference (RNAi), molecular mechanisms, and current state and challenges of RNAi drug development. We focus our discussion on the pharmacology of US Food and Drug Administration-approved RNAi medications and those siRNAs and miRNA-based therapeutics that entered the clinical investigations. Novel approaches to producing new true biological RNAi molecules for research and development are highlighted.
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Affiliation(s)
| | - Ai-Ming Yu
- Department of Biochemistry and Molecular Medicine, University of California (UC) Davis School of Medicine, Sacramento, California
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8
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Nikolaieva N, Sevcikova A, Omelka R, Martiniakova M, Mego M, Ciernikova S. Gut Microbiota-MicroRNA Interactions in Intestinal Homeostasis and Cancer Development. Microorganisms 2022; 11:microorganisms11010107. [PMID: 36677399 PMCID: PMC9867529 DOI: 10.3390/microorganisms11010107] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/21/2022] [Accepted: 12/28/2022] [Indexed: 01/03/2023] Open
Abstract
Pre-clinical models and clinical studies highlight the significant impact of the host-microbiota relationship on cancer development and treatment, supporting the emerging trend for a microbiota-based approach in clinical oncology. Importantly, the presence of polymorphic microbes is considered one of the hallmarks of cancer. The epigenetic regulation of gene expression by microRNAs affects crucial biological processes, including proliferation, differentiation, metabolism, and cell death. Recent evidence has documented the existence of bidirectional gut microbiota-microRNA interactions that play a critical role in intestinal homeostasis. Importantly, alterations in microRNA-modulated gene expression are known to be associated with inflammatory responses and dysbiosis in gastrointestinal disorders. In this review, we summarize the current findings about miRNA expression in the intestine and focus on specific gut microbiota-miRNA interactions linked to intestinal homeostasis, the immune system, and cancer development. We discuss the potential clinical utility of fecal miRNA profiling as a diagnostic and prognostic tool in colorectal cancer, and demonstrate how the emerging trend of gut microbiota modulation, together with the use of personalized microRNA therapeutics, might bring improvements in outcomes for patients with gastrointestinal cancer in the era of precision medicine.
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Affiliation(s)
- Nataliia Nikolaieva
- Department of Genetics, Cancer Research Institute, Biomedical Research Center of Slovak Academy of Sciences, 845 05 Bratislava, Slovakia
| | - Aneta Sevcikova
- Department of Genetics, Cancer Research Institute, Biomedical Research Center of Slovak Academy of Sciences, 845 05 Bratislava, Slovakia
| | - Radoslav Omelka
- Department of Botany and Genetics, Faculty of Natural Sciences and Informatics, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia
| | - Monika Martiniakova
- Department of Zoology and Anthropology, Faculty of Natural Sciences and Informatics, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia
| | - Michal Mego
- National Cancer Institute and Faculty of Medicine, Comenius University, 813 72 Bratislava, Slovakia
| | - Sona Ciernikova
- Department of Genetics, Cancer Research Institute, Biomedical Research Center of Slovak Academy of Sciences, 845 05 Bratislava, Slovakia
- Correspondence: ; Tel.: +421-02-3229519
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9
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Ning S, Liu C, Lou W, Yang JC, Lombard AP, D'Abronzo LS, Batra N, Yu AM, Leslie AR, Sharifi M, Evans CP, Gao AC. Bioengineered BERA-Wnt5a siRNA Targeting Wnt5a/FZD2 Signaling Suppresses Advanced Prostate Cancer Tumor Growth and Enhances Enzalutamide Treatment. Mol Cancer Ther 2022; 21:1594-1607. [PMID: 35930737 PMCID: PMC9547958 DOI: 10.1158/1535-7163.mct-22-0216] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 05/23/2022] [Accepted: 07/28/2022] [Indexed: 01/21/2023]
Abstract
The next-generation antiandrogen drugs such as enzalutamide and abiraterone extend survival times and improve quality of life in patients with advanced prostate cancer. However, resistance to both drugs occurs frequently through mechanisms that are incompletely understood. Wnt signaling, particularly through Wnt5a, plays vital roles in promoting prostate cancer progression and induction of resistance to enzalutamide and abiraterone. Development of novel strategies targeting Wnt5a to overcome resistance is an urgent need. In this study, we demonstrated that Wnt5a/FZD2-mediated noncanonical Wnt pathway is overexpressed in enzalutamide-resistant prostate cancer. In patient databases, both the levels of Wnt5a and FZD2 expression are upregulated upon the development of enzalutamide resistance and correlate with higher Gleason score, biochemical recurrence, and metastatic status, and with shortened disease-free survival duration. Blocking Wnt5a/FZD2 signal transduction not only diminished the activation of noncanonical Wnt signaling pathway, but also suppressed the constitutively activated androgen receptor (AR) and AR variants. Furthermore, we developed a novel bioengineered BERA-Wnt5a siRNA construct and demonstrated that inhibition of Wnt5a expression by the BERA-Wnt5a siRNA significantly suppressed tumor growth and enhanced enzalutamide treatment in vivo. These results indicate that Wnt5a/FZD2 signal pathway plays a critical role in promoting enzalutamide resistance, and targeting this pathway by BERA-Wnt5a siRNA can be developed as a potential therapy to treat advanced prostate cancer.
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Affiliation(s)
- Shu Ning
- Department of Urologic Surgery, University of California Davis, Davis, California
| | - Chengfei Liu
- Department of Urologic Surgery, University of California Davis, Davis, California
- UC Davis Comprehensive Cancer Center, University of California Davis, Davis, California
| | - Wei Lou
- Department of Urologic Surgery, University of California Davis, Davis, California
| | - Joy C Yang
- Department of Urologic Surgery, University of California Davis, Davis, California
| | - Alan P Lombard
- Department of Urologic Surgery, University of California Davis, Davis, California
| | - Leandro S D'Abronzo
- Department of Urologic Surgery, University of California Davis, Davis, California
| | - Neelu Batra
- UC Davis Comprehensive Cancer Center, University of California Davis, Davis, California
- Department of Biochemistry and Molecular Medicine, University of California Davis, Davis, California
| | - Ai-Ming Yu
- UC Davis Comprehensive Cancer Center, University of California Davis, Davis, California
- Department of Biochemistry and Molecular Medicine, University of California Davis, Davis, California
| | - Amy R Leslie
- Department of Urologic Surgery, University of California Davis, Davis, California
| | - Masuda Sharifi
- Department of Urologic Surgery, University of California Davis, Davis, California
| | - Christopher P Evans
- Department of Urologic Surgery, University of California Davis, Davis, California
- UC Davis Comprehensive Cancer Center, University of California Davis, Davis, California
| | - Allen C Gao
- Department of Urologic Surgery, University of California Davis, Davis, California
- UC Davis Comprehensive Cancer Center, University of California Davis, Davis, California
- VA Northern California Health Care System, Sacramento, California
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10
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Yan XY, Yao JP, Li YQ, Zhang W, Xi MH, Chen M, Li Y. Global trends in research on miRNA–microbiome interaction from 2011 to 2021: A bibliometric analysis. Front Pharmacol 2022; 13:974741. [PMID: 36110534 PMCID: PMC9468484 DOI: 10.3389/fphar.2022.974741] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 07/21/2022] [Indexed: 11/30/2022] Open
Abstract
An increasing number of research suggests that the microRNA (miRNA)–microbiome interaction plays an essential role in host health and diseases. This bibliometric analysis aimed to identify the status of global scientific output, research hotspots, and frontiers regarding the study of miRNA–microbiome interaction over the past decade. We retrieved miRNA–microbiome-related studies published from 2011 to 2021 from the Web of Science Core Collection database; the R package bibliometrix was used to analyze bibliometric indicators, and VOSviewer was used to visualize the field status, hotspots, and research trends of miRNA–microbiome interplay. In total, 590 articles and reviews were collected. A visual analysis of the results showed that significant increase in the number of publications over time. China produced the most papers, and the United States contributed the highest number of citations. Shanghai Jiaotong University and the University of California Davis were the most active institutions in the field. Most publications were published in the areas of biochemistry and molecular biology. Yu Aiming was the most prolific writer, as indicated by the h-index and m-index, and Liu Shirong was the most commonly co-cited author. A paper published in the International Journal of Molecular Sciences in 2017 had the highest number of citations. The keywords “expression” and “gut microbiota” appeared most frequently, and the top three groups of diseases that appeared among keywords were cancer (colorectal, et al.), inflammatory bowel disease (Crohn’s disease and ulcerative colitis), and neurological disorders (anxiety, Parkinson’s disease, et al.). This bibliometric study revealed that most studies have focused on miRNAs (e.g., miR-21, miR-155, and miR-146a), gut microbes (e.g., Escherichia coli, Bifidobacterium, and Fusobacterium nucleatum), and gut bacteria metabolites (e.g., butyric acid), which have the potential to improve the diagnosis, treatment, and prognosis of diseases. We found that therapeutic strategies targeting the miRNA–microbiome axis focus on miRNA drugs produced in vitro; however, some studies suggest that in vivo fermentation can greatly increase the stability and reduce the degradation of miRNA. Therefore, this method is worthy of further research.
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Affiliation(s)
- Xiang-Yun Yan
- The Third Hospital/Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jun-Peng Yao
- The Third Hospital/Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yan-Qiu Li
- The Third Hospital/Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Wei Zhang
- Academic Affairs Office, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Meng-Han Xi
- The Third Hospital/Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Min Chen
- Clinical Medicine School, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ying Li
- The Third Hospital/Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- *Correspondence: Ying Li,
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11
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Sritharan S, Guha S, Hazarika S, Sivalingam N. Meta analysis of bioactive compounds, miRNA, siRNA and cell death regulators as sensitizers to doxorubicin induced chemoresistance. Apoptosis 2022; 27:622-646. [PMID: 35716277 DOI: 10.1007/s10495-022-01742-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/30/2022] [Indexed: 11/02/2022]
Abstract
Cancer has presented to be the most challenging disease, contributing to one in six mortalities worldwide. The current treatment regimen involves multiple rounds of chemotherapy administration, alone or in combination. The treatment has adverse effects including cardiomyopathy, hepatotoxicity, and nephrotoxicity. In addition, the development of resistance to chemo has been attributed to cancer relapse and low patient overall survivability. Multiple drug resistance development may be through numerous factors such as up-regulation of drug transporters, drug inactivation, alteration of drug targets and drug degradation. Doxorubicin is a widely used first line chemotherapeutic drug for a myriad of cancers. It has multiple intracellular targets, DNA intercalation, adduct formation, topoisomerase inhibition, iron chelation, reactive oxygen species generation and promotes immune mediated clearance of the tumor. Agents that can sensitize the resistant cancer cells to the chemotherapeutic drug are currently the focus to improve the clinical efficiency of cancer therapy. This review summarizes the recent 10-year research on the use of natural phytochemicals, inhibitors of apoptosis and autophagy, miRNAs, siRNAs and nanoformulations being investigated for doxorubicin chemosensitization.
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Affiliation(s)
- Sruthi Sritharan
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur, Chengalpattu District, Chennai, Tamil Nadu, 603203, India
| | - Sampurna Guha
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur, Chengalpattu District, Chennai, Tamil Nadu, 603203, India
| | - Snoopy Hazarika
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur, Chengalpattu District, Chennai, Tamil Nadu, 603203, India
| | - Nageswaran Sivalingam
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur, Chengalpattu District, Chennai, Tamil Nadu, 603203, India.
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12
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Cao T, Lu Y, Wang Q, Qin H, Li H, Guo H, Ge M, Glass SE, Singh B, Zhang W, Dong J, Du F, Qian A, Tian Y, Wang X, Li C, Wu K, Fan D, Nie Y, Coffey RJ, Zhao X. A CGA/EGFR/GATA2 positive feedback circuit confers chemoresistance in gastric cancer. J Clin Invest 2022; 132:154074. [PMID: 35289315 PMCID: PMC8920335 DOI: 10.1172/jci154074] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 01/26/2022] [Indexed: 12/24/2022] Open
Abstract
De novo and acquired resistance are major impediments to the efficacy of conventional and targeted cancer therapy. In unselected gastric cancer (GC) patients with advanced disease, trials combining chemotherapy and an anti-EGFR monoclonal antibody have been largely unsuccessful. In an effort to identify biomarkers of resistance so as to better select patients for such trials, we screened the secretome of chemotherapy-treated human GC cell lines. We found that levels of CGA, the α-subunit of glycoprotein hormones, were markedly increased in the conditioned media of chemoresistant GC cells, and CGA immunoreactivity was enhanced in GC tissues that progressed on chemotherapy. CGA levels in plasma increased in GC patients who received chemotherapy, and this increase was correlated with reduced responsiveness to chemotherapy and poor survival. Mechanistically, secreted CGA was found to bind to EGFR and activate EGFR signaling, thereby conferring a survival advantage to GC cells. N-glycosylation of CGA at Asn52 and Asn78 is required for its stability, secretion, and interaction with EGFR. GATA2 was found to activate CGA transcription, whose increase, in turn, induced the expression and phosphorylation of GATA2 in an EGFR-dependent manner, forming a positive feedback circuit that was initiated by GATA2 autoregulation upon sublethal exposure to chemotherapy. Based on this circuit, combination strategies involving anti-EGFR therapies or targeting CGA with microRNAs (miR-708-3p and miR-761) restored chemotherapy sensitivity. These findings identify a clinically actionable CGA/EGFR/GATA2 circuit and highlight CGA as a predictive biomarker and therapeutic target in chemoresistant GC.
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Affiliation(s)
- Tianyu Cao
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Yuanyuan Lu
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Qi Wang
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Hongqiang Qin
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Hongwei Li
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Hao Guo
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China.,State Key Laboratory of Translational Medicine and Innovative Drug Development, Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Minghui Ge
- State Key Laboratory of Translational Medicine and Innovative Drug Development, Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Sarah E Glass
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Bhuminder Singh
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Wenyao Zhang
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Jiaqiang Dong
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Feng Du
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Airong Qian
- Key Laboratory for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Ye Tian
- Key Laboratory for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Xin Wang
- Department of Gastroenterology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Cunxi Li
- Beijing Institute of Human Reproduction and Genetics Medicine, Beijing, China.,Jiaen Genetics Laboratory, Beijing Jiaen Hospital, Beijing, China
| | - Kaichun Wu
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Daiming Fan
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Yongzhan Nie
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Robert J Coffey
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Xiaodi Zhao
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
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13
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Tu MJ, Yi CM, Traber GM, Yu AM. Bioengineered RNA Therapy in Patient-Derived Organoids and Xenograft Mouse Models. Methods Mol Biol 2022; 2521:191-206. [PMID: 35732999 PMCID: PMC9484490 DOI: 10.1007/978-1-0716-2441-8_10] [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] [Indexed: 06/15/2023]
Abstract
Therapeutic RNAs, such as antisense oligonucleotides (ASOs), aptamers, small-interfering RNAs (siRNAs), microRNAs (miRs or miRNAs), messenger RNAs (mRNAs), and guide RNAs (gRNAs), represent a novel class of modalities that not only increase the molecular diversity of medications but also expand the range of druggable targets. To develop noncoding RNA therapeutics for the treatment of cancer diseases, we have established a novel robust RNA bioengineering platform to achieve high-yield and large-scale production of true biologic RNA agents, which are proven to be functional in the control of target gene expression and effective in the management of tumor progression in various models. Herein, we describe the methods for bioengineered RNA (BioRNA or BERA) therapy in patient-derived organoids (PDOs) in vitro and patient-derived xenograft (PDX) mouse models in vivo. The efficacy of a BioRNA, miR-1291, in the inhibition of pancreatic cancer PDO and PDX growth is exemplified in this chapter.
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Affiliation(s)
- Mei-Juan Tu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, USA
| | - Colleen M Yi
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, USA
| | - Gavin M Traber
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, USA
| | - Ai-Ming Yu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, USA.
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14
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Yu AM, Tu MJ. Deliver the promise: RNAs as a new class of molecular entities for therapy and vaccination. Pharmacol Ther 2021; 230:107967. [PMID: 34403681 PMCID: PMC9477512 DOI: 10.1016/j.pharmthera.2021.107967] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 07/06/2021] [Accepted: 07/13/2021] [Indexed: 12/19/2022]
Abstract
The concepts of developing RNAs as new molecular entities for therapies have arisen again and again since the discoveries of antisense RNAs, direct RNA-protein interactions, functional noncoding RNAs, and RNA-directed gene editing. The feasibility was demonstrated with the development and utilization of synthetic RNA agents to selectively control target gene expression, modulate protein functions or alter the genome to manage diseases. Rather, RNAs are labile to degradation and cannot cross cell membrane barriers, making it hard to develop RNA medications. With the development of viable RNA technologies, such as chemistry and pharmaceutics, eight antisense oligonucleotides (ASOs) (fomivirsen, mipomersen, eteplirsen, nusinersen, inotersen, golodirsen, viltolarsen and casimersen), one aptamer (pegaptanib), and three small interfering RNAs (siRNAs) (patisiran, givosiran and lumasiran) have been approved by the United States Food and Drug Administration (FDA) for therapies, and two mRNA vaccines (BNT162b2 and mRNA-1273) under Emergency Use Authorization for the prevention of COVID-19. Therefore, RNAs have become a great addition to small molecules, proteins/antibodies, and cell-based modalities to improve the public health. In this article, we first summarize the general characteristics of therapeutic RNA agents, including chemistry, common delivery strategies, mechanisms of actions, and safety. By overviewing individual RNA medications and vaccines approved by the FDA and some agents under development, we illustrate the unique compositions and pharmacological actions of RNA products. A new era of RNA research and development will likely lead to commercialization of more RNA agents for medical use, expanding the range of therapeutic targets and increasing the diversity of molecular modalities.
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Affiliation(s)
- Ai-Ming Yu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA.
| | - Mei-Juan Tu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
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15
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Liu Y, Jing XB, Wang ZC, Han QK. HCP5, as the sponge of miR-1291, facilitates AML cell proliferation and restrains apoptosis via increasing PIK3R5 expression. Hum Genomics 2021; 15:38. [PMID: 34187569 PMCID: PMC8244151 DOI: 10.1186/s40246-021-00340-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 06/15/2021] [Indexed: 11/21/2022] Open
Abstract
Background Acute myeloid leukemia (AML) is recognized as a hematological neoplasm with heterogenetic cytology and short-term outcome. HCP5 has been proven to be related with the pathogenesis of AML. However, the underlying mechanism of HCP5 in AML remains unclear. Methods Clinical profiles of AML patients were downloaded from TCGA and GTEx databases. LncBase and TargetScan online tools were utilized to predict potential targets, and dual-luciferase reporter assay was performed to verify the association between miR-1291 and HCP5 or PIK3R5. Cell Counting Kit 8 and flow cytometry tests were implemented to evaluate the effects of HCP5/miR-1291/PIK3R5 axis in AML cells. Quantitative RT-PCR and Western blot were conducted to detect the expression levels of genes. Results HCP5 and PIK3R5 were significantly increased in AML tissue samples compared with healthy controls. HCP5 facilitated AML cells viability and inhibited apoptosis. There was a positive relationship between HCP5 and PIK3R5, but miR-1291 negatively regulated PIK3R5. Overexpression of PIK3R5 enhanced the promoting effect of HCP5 in the development of AML, while weakened the suppression of miR-1291 to AML progression. Conclusion Our findings manifested that HCP5 was remarkably upregulated in AML and upregulated HCP5 promoted the malignant behaviors of AML cells by mediating miR-1291/PIK3R5 axis, which would provide a new insight for the treatment of AML. Supplementary Information The online version contains supplementary material available at 10.1186/s40246-021-00340-5.
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Affiliation(s)
- Yan Liu
- Department of Hematology, Zibo Central Hospital, No. 54 Gongqingtuan West Road, Zhangdian District, Zibo, 255000, Shandong, People's Republic of China
| | - Xue-Bing Jing
- Department of Nursing, Zibo Central Hospital, Zibo, 255000, Shandong, People's Republic of China
| | - Zhen-Cheng Wang
- Department of Hematology, Zibo Central Hospital, No. 54 Gongqingtuan West Road, Zhangdian District, Zibo, 255000, Shandong, People's Republic of China
| | - Qing-Kun Han
- Department of Hematology, Zibo Central Hospital, No. 54 Gongqingtuan West Road, Zhangdian District, Zibo, 255000, Shandong, People's Republic of China.
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16
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Petrek H, Yan Ho P, Batra N, Tu MJ, Zhang Q, Qiu JX, Yu AM. Single bioengineered ncRNA molecule for dual-targeting toward the control of non-small cell lung cancer patient-derived xenograft tumor growth. Biochem Pharmacol 2021; 189:114392. [PMID: 33359565 DOI: 10.1016/j.bcp.2020.114392] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 12/17/2020] [Accepted: 12/18/2020] [Indexed: 02/06/2023]
Abstract
Lung cancer remains the leading cause of cancer deaths worldwide and accounts for more than 22% of all cancer-related deaths in the US. Developing new therapies is essential to combat against deadly lung cancer, especially the most common type, non-small cell lung cancer (NSCLC). With the discovery of genome-derived functional small noncoding RNA (ncRNA), namely microRNAs (miRNA or miR), restoration of oncolytic miRNAs lost or downregulated in NSCLC cells represents a new therapeutic strategy. Very recently, we have developed a novel technology that achieves in vivo fermentation production of bioengineered miRNA agents (BERA) for research and development. In this study, we aimed at simultaneously introducing two miRNAs into NSCLC cells by using single recombinant "combinatorial BERA" (CO-BERA) molecule. Our studies show that single CO-BERA molecule (e.g., let-7c/miR-124) was successfully processed to two miRNAs (e.g., let-7c-5p and miR-124-3p) to combinatorially regulate the expression of multiple targets (e.g., RAS, VAMP3 and CDK6) in human NSCLC cells, exhibiting greater efficacy than respective BERA miRNAs in the inhibition of cell viability and colony formation. Furthermore, we demonstrate that CO-BERA let-7c/miR-124-loaded lipopolyplex nanomedicine was the most effective among tested RNAs in the control of tumor growth in NSCLC patient-derived xenograft mouse models. The anti-tumor activity of CO-BERA let-7c/miR-124 was associated with the suppression of RAS and CDK6 expression, and enhancement of apoptosis. These results support the concept to use single ncRNA agent for dual-targeting and offer insight into developing new RNA therapeutics for the treatment of lethal NSCLC.
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Affiliation(s)
- Hannah Petrek
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Pui Yan Ho
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Neelu Batra
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Mei-Juan Tu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Qianyu Zhang
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Jing-Xin Qiu
- Department of Pathology, Roswell Park Cancer Institute, Buffalo, NY 14263, USA
| | - Ai-Ming Yu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA.
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17
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Tu MJ, Wright HK, Batra N, Yu AM. Expression and Purification of tRNA/ pre-miRNA-Based Recombinant Noncoding RNAs. Methods Mol Biol 2021; 2323:249-265. [PMID: 34086286 PMCID: PMC9516694 DOI: 10.1007/978-1-0716-1499-0_18] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Research on RNA function and therapeutic potential is dominated by the use of chemoengineered RNA mimics. Recent efforts have led to the establishment of novel technologies for the production of recombinant or bioengineered RNA molecules, which should better recapitulate the structures, functions and safety profiles of natural RNAs because both are produced and folded in living cells. Herein, we describe a robust approach for reproducible fermentation production of bioengineered RNA agents (BERAs) carrying warhead miRNAs, siRNAs, aptamers, or other forms of small RNAs, based upon an optimal hybrid tRNA/pre-miRNA carrier. Target BERA/sRNAs are readily purified by fast protein liquid chromatography (FPLC) to a high degree of homogeneity (>97%). This approach offers a consistent high-level expression (>30% of total bacterial RNAs) and large-scale production of ready-to-use BERAs (multiple to tens milligrams from 1 L bacterial culture).
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18
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Escuin D, López-Vilaró L, Bell O, Mora J, Moral A, Pérez JI, Arqueros C, Ramón Y Cajal T, Lerma E, Barnadas A. MicroRNA-1291 Is Associated With Locoregional Metastases in Patients With Early-Stage Breast Cancer. Front Genet 2020; 11:562114. [PMID: 33343622 PMCID: PMC7738477 DOI: 10.3389/fgene.2020.562114] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 11/10/2020] [Indexed: 12/15/2022] Open
Abstract
Evidence that microRNAs (miRNAs) regulate the various steps of metastasis is increasing. Several studies have looked at the miRNA expression profile in primary breast tumors but few have compared primary tumor and sentinel lymph node (SLN) metastasis. We correlated the expression of miRNAs with the SLN status and the outcome of axillary lymph node dissection (ALND) in 60 patients with early breast cancer. We profiled the expression of miRNAs in paired breast tumor samples and SLNs using the NextSeq500 Illumina platform and key findings were validated by qPCR. MultiMiR Bioconductor and Reactome pathways analysis were performed to identify target genes and signaling pathways affected by altered expressed miRNAs. Our results show that nine miRNAs were differentially expressed in tumor tissues (q ≤ 0.05). In tumor samples, a 13.5-fold up-regulation of miR-7641-2 (q < 0.001) and a 2.9-fold down-regulation of miR-1291 (q < 0.001) were associated with tumors with positive SLNs. However, only down-regulation of miR-1291 (q = 0.048) remained significant in paired SLNs samples. Interestingly, a 10.5 up-regulation of miR-1291 in SLNs samples was associated with additional axillary lymph node involvement (q < 0.001). The enrichment analyses showed that canonical and non-canonical WNT pathways and negative regulation of various receptor tyrosine kinases signaling pathways were targets of miR-1291 and supports the role of miR-1291 as a tumor suppressor gene (TSG). Further studies are warranted to investigate the use of miR-1291 as a surrogate biomarker of SLN node metastasis in patients with early-stage breast cancer.
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Affiliation(s)
- Daniel Escuin
- Institut d'Investigació Biomèdica Sant Pau, Barcelona, Spain
| | - Laura López-Vilaró
- Institut d'Investigació Biomèdica Sant Pau, Barcelona, Spain.,Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Olga Bell
- Institut d'Investigació Biomèdica Sant Pau, Barcelona, Spain
| | - Josefina Mora
- Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Antonio Moral
- Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.,Department of Medicine, Universitat Autònoma de Barcelona, Bellaterra (Cerdanyola del Vallès), Spain
| | | | | | | | - Enrique Lerma
- Institut d'Investigació Biomèdica Sant Pau, Barcelona, Spain.,Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.,Department of Medicine, Universitat Autònoma de Barcelona, Bellaterra (Cerdanyola del Vallès), Spain
| | - Agustí Barnadas
- Institut d'Investigació Biomèdica Sant Pau, Barcelona, Spain.,Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.,Department of Medicine, Universitat Autònoma de Barcelona, Bellaterra (Cerdanyola del Vallès), Spain.,Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain
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19
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Tu MJ, Duan Z, Liu Z, Zhang C, Bold RJ, Gonzalez FJ, Kim EJ, Yu AM. MicroRNA-1291-5p Sensitizes Pancreatic Carcinoma Cells to Arginine Deprivation and Chemotherapy through the Regulation of Arginolysis and Glycolysis. Mol Pharmacol 2020; 98:686-694. [PMID: 33051382 PMCID: PMC7673485 DOI: 10.1124/molpharm.120.000130] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 09/17/2020] [Indexed: 12/12/2022] Open
Abstract
Cancer cells are dysregulated and addicted to continuous supply and metabolism of nutritional glucose and amino acids (e.g., arginine) to drive the synthesis of critical macromolecules for uncontrolled growth. Recent studies have revealed that genome-derived microRNA (miRNA or miR)-1291-5p (miR-1291-5p or miR-1291) may modulate the expression of argininosuccinate synthase (ASS1) and glucose transporter protein type 1 (GLUT1). We also developed a novel approach to produce recombinant miR-1291 agents for research, which are distinguished from conventional chemo-engineered miRNA mimics. Herein, we firstly demonstrated that bioengineered miR-1291 agent was selectively processed to high levels of target miR-1291-5p in human pancreatic cancer (PC) cells. After the suppression of ASS1 protein levels, miR-1291 perturbed arginine homeostasis and preferably sensitized ASS1-abundant L3.3 cells to arginine deprivation therapy. In addition, miR-1291 treatment reduced the protein levels of GLUT1 in both AsPC-1 and PANC-1 cells, leading to a lower glucose uptake (deceased > 40%) and glycolysis capacity (reduced approximately 50%). As a result, miR-1291 largely improved cisplatin efficacy in the inhibition of PC cell viability. Our results demonstrated that miR-1291 was effective to sensitize PC cells to arginine deprivation treatment and chemotherapy through targeting ASS1- and GLUT1-mediated arginolysis and glycolysis, respectively, which may provide insights into understanding miRNA signaling underlying cancer cell metabolism and development of new strategies for the treatment of lethal PC. SIGNIFICANCE STATEMENT: Many anticancer drugs in clinical use and under investigation exert pharmacological effects or improve efficacy of coadministered medications by targeting cancer cell metabolism. Using new recombinant miR-1291 agent, we revealed that miR-1291 acts as a metabolism modulator in pancreatic carcinoma cells through the regulation of argininosuccinate synthase- and glucose transporter protein type 1-mediated arginolysis and glycolysis. Consequently, miR-1291 effectively enhanced the efficacy of arginine deprivation (pegylated arginine deiminase) and chemotherapy (cisplatin), offering new insights into development of rational combination therapies.
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Affiliation(s)
- Mei-Juan Tu
- Department of Biochemistry and Molecular Medicine (M.-J.T., Z.D., Z.L., C.Z., A.-M.Y.), Division of Surgical Oncology (R.J.B.), Division of Hematology and Oncology, Department of Internal Medicine (E.J.K.), University of California (UC) Davis School of Medicine, Sacramento, California; and Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, Maryland (F.J.G.)
| | - Zhijian Duan
- Department of Biochemistry and Molecular Medicine (M.-J.T., Z.D., Z.L., C.Z., A.-M.Y.), Division of Surgical Oncology (R.J.B.), Division of Hematology and Oncology, Department of Internal Medicine (E.J.K.), University of California (UC) Davis School of Medicine, Sacramento, California; and Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, Maryland (F.J.G.)
| | - Zhenzhen Liu
- Department of Biochemistry and Molecular Medicine (M.-J.T., Z.D., Z.L., C.Z., A.-M.Y.), Division of Surgical Oncology (R.J.B.), Division of Hematology and Oncology, Department of Internal Medicine (E.J.K.), University of California (UC) Davis School of Medicine, Sacramento, California; and Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, Maryland (F.J.G.)
| | - Chao Zhang
- Department of Biochemistry and Molecular Medicine (M.-J.T., Z.D., Z.L., C.Z., A.-M.Y.), Division of Surgical Oncology (R.J.B.), Division of Hematology and Oncology, Department of Internal Medicine (E.J.K.), University of California (UC) Davis School of Medicine, Sacramento, California; and Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, Maryland (F.J.G.)
| | - Richard J Bold
- Department of Biochemistry and Molecular Medicine (M.-J.T., Z.D., Z.L., C.Z., A.-M.Y.), Division of Surgical Oncology (R.J.B.), Division of Hematology and Oncology, Department of Internal Medicine (E.J.K.), University of California (UC) Davis School of Medicine, Sacramento, California; and Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, Maryland (F.J.G.)
| | - Frank J Gonzalez
- Department of Biochemistry and Molecular Medicine (M.-J.T., Z.D., Z.L., C.Z., A.-M.Y.), Division of Surgical Oncology (R.J.B.), Division of Hematology and Oncology, Department of Internal Medicine (E.J.K.), University of California (UC) Davis School of Medicine, Sacramento, California; and Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, Maryland (F.J.G.)
| | - Edward J Kim
- Department of Biochemistry and Molecular Medicine (M.-J.T., Z.D., Z.L., C.Z., A.-M.Y.), Division of Surgical Oncology (R.J.B.), Division of Hematology and Oncology, Department of Internal Medicine (E.J.K.), University of California (UC) Davis School of Medicine, Sacramento, California; and Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, Maryland (F.J.G.)
| | - Ai-Ming Yu
- Department of Biochemistry and Molecular Medicine (M.-J.T., Z.D., Z.L., C.Z., A.-M.Y.), Division of Surgical Oncology (R.J.B.), Division of Hematology and Oncology, Department of Internal Medicine (E.J.K.), University of California (UC) Davis School of Medicine, Sacramento, California; and Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, Maryland (F.J.G.)
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20
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Hashemi A, Gorji-Bahri G. MicroRNA: Promising Roles in Cancer Therapy. Curr Pharm Biotechnol 2020; 21:1186-1203. [PMID: 32310047 DOI: 10.2174/1389201021666200420101613] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 03/17/2020] [Accepted: 03/31/2020] [Indexed: 12/19/2022]
Abstract
MicroRNAs (miRNA) are small non-coding RNAs that act as one of the main regulators of gene expression. They are involved in maintaining a proper balance of diverse processes, including differentiation, proliferation, and cell death in normal cells. Cancer biology can also be affected by these molecules by modulating the expression of oncogenes or tumor suppressor genes. Thus, miRNA based anticancer therapy is currently being developed either alone or in combination with chemotherapy agents used in cancer management, aiming at promoting tumor regression and increasing cure rate. Access to large quantities of RNA agents can facilitate RNA research and development. In addition to currently used in vitro methods, fermentation-based approaches have recently been developed, which can cost-effectively produce biological RNA agents with proper folding needed for the development of RNA-based therapeutics. Nevertheless, a major challenge in translating preclinical studies to clinical for miRNA-based cancer therapy is the efficient delivery of these agents to target cells. Targeting miRNAs/anti-miRNAs using antibodies and/or peptides can minimize cellular and systemic toxicity. Here, we provide a brief review of miRNA in the following aspects: biogenesis and mechanism of action of miRNAs, the role of miRNAs in cancer as tumor suppressors or oncogenes, the potential of using miRNAs as novel and promising therapeutics, miRNA-mediated chemo-sensitization, and currently utilized methods for the in vitro and in vivo production of RNA agents. Finally, an update on the viral and non-viral delivery systems is addressed.
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Affiliation(s)
- Atieh Hashemi
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Gilar Gorji-Bahri
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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21
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Jilek JL, Tu MJ, Zhang C, Yu AM. Pharmacokinetic and Pharmacodynamic Factors Contribute to Synergism between Let-7c-5p and 5-Fluorouracil in Inhibiting Hepatocellular Carcinoma Cell Viability. Drug Metab Dispos 2020; 48:1257-1263. [PMID: 33051247 PMCID: PMC7684025 DOI: 10.1124/dmd.120.000207] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 09/21/2020] [Indexed: 12/19/2022] Open
Abstract
Pharmacological interventions for hepatocellular carcinoma (HCC) are hindered by complex factors, and rational combination therapy may be developed to improve therapeutic outcomes. Very recently, we have identified a bioengineered microRNA let-7c-5p (or let-7c) agent as an effective inhibitor against HCC in vitro and in vivo. In this study, we sought to identify small-molecule drugs that may synergistically act with let-7c against HCC. Interestingly, we found that let-7c exhibited a strong synergism with 5-fluorouracil (5-FU) in the inhibition of HCC cell viability as manifested by average combination indices of 0.3 and 0.5 in Hep3B and Huh7 cells, respectively. By contrast, coadministration of let-7c with doxorubicin or sorafenib inhibited HCC cell viability with, rather surprisingly, no or minimal synergy. Further studies showed that protein levels of multidrug resistance–associated protein (MRP) ATP-binding cassette subfamily C member 5 (MRP5/ABCC5), a 5-FU efflux transporter, were reduced around 50% by let-7c in HCC cells. This led to a greater degree of intracellular accumulation of 5-FU in Huh7 cells as well as the second messenger cyclic adenosine monophosphate, an endogenous substrate of MRP5. Since 5-FU is an irreversible inhibitor of thymidylate synthetase (TS), we investigated the interactions of let-7c with 5-FU at pharmacodynamic level. Interestingly, our data revealed that let-7c significantly reduced TS protein levels in Huh7 cells, which was associated with the suppression of upstream transcriptional factors as well as other regulatory factors. Collectively, these results indicate that let-7c interacts with 5-FU at both pharmacokinetic and pharmacodynamic levels, and these findings shall offer insight into molecular mechanisms of synergistic drug combinations.
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Affiliation(s)
- Joseph L Jilek
- Department of Biochemistry and Molecular Medicine, University of California, Davis School of Medicine, Sacramento, California
| | - Mei-Juan Tu
- Department of Biochemistry and Molecular Medicine, University of California, Davis School of Medicine, Sacramento, California
| | - Chao Zhang
- Department of Biochemistry and Molecular Medicine, University of California, Davis School of Medicine, Sacramento, California
| | - Ai-Ming Yu
- Department of Biochemistry and Molecular Medicine, University of California, Davis School of Medicine, Sacramento, California
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22
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Yu AM, Choi YH, Tu MJ. RNA Drugs and RNA Targets for Small Molecules: Principles, Progress, and Challenges. Pharmacol Rev 2020; 72:862-898. [PMID: 32929000 PMCID: PMC7495341 DOI: 10.1124/pr.120.019554] [Citation(s) in RCA: 179] [Impact Index Per Article: 44.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
RNA-based therapies, including RNA molecules as drugs and RNA-targeted small molecules, offer unique opportunities to expand the range of therapeutic targets. Various forms of RNAs may be used to selectively act on proteins, transcripts, and genes that cannot be targeted by conventional small molecules or proteins. Although development of RNA drugs faces unparalleled challenges, many strategies have been developed to improve RNA metabolic stability and intracellular delivery. A number of RNA drugs have been approved for medical use, including aptamers (e.g., pegaptanib) that mechanistically act on protein target and small interfering RNAs (e.g., patisiran and givosiran) and antisense oligonucleotides (e.g., inotersen and golodirsen) that directly interfere with RNA targets. Furthermore, guide RNAs are essential components of novel gene editing modalities, and mRNA therapeutics are under development for protein replacement therapy or vaccination, including those against unprecedented severe acute respiratory syndrome coronavirus pandemic. Moreover, functional RNAs or RNA motifs are highly structured to form binding pockets or clefts that are accessible by small molecules. Many natural, semisynthetic, or synthetic antibiotics (e.g., aminoglycosides, tetracyclines, macrolides, oxazolidinones, and phenicols) can directly bind to ribosomal RNAs to achieve the inhibition of bacterial infections. Therefore, there is growing interest in developing RNA-targeted small-molecule drugs amenable to oral administration, and some (e.g., risdiplam and branaplam) have entered clinical trials. Here, we review the pharmacology of novel RNA drugs and RNA-targeted small-molecule medications, with a focus on recent progresses and strategies. Challenges in the development of novel druggable RNA entities and identification of viable RNA targets and selective small-molecule binders are discussed. SIGNIFICANCE STATEMENT: With the understanding of RNA functions and critical roles in diseases, as well as the development of RNA-related technologies, there is growing interest in developing novel RNA-based therapeutics. This comprehensive review presents pharmacology of both RNA drugs and RNA-targeted small-molecule medications, focusing on novel mechanisms of action, the most recent progress, and existing challenges.
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MESH Headings
- Aptamers, Nucleotide/pharmacology
- Aptamers, Nucleotide/therapeutic use
- Betacoronavirus
- COVID-19
- Chemistry Techniques, Analytical/methods
- Chemistry Techniques, Analytical/standards
- Clustered Regularly Interspaced Short Palindromic Repeats
- Coronavirus Infections/drug therapy
- Drug Delivery Systems/methods
- Drug Development/organization & administration
- Drug Discovery
- Humans
- MicroRNAs/pharmacology
- MicroRNAs/therapeutic use
- Oligonucleotides, Antisense/pharmacology
- Oligonucleotides, Antisense/therapeutic use
- Pandemics
- Pneumonia, Viral/drug therapy
- RNA/adverse effects
- RNA/drug effects
- RNA/pharmacology
- RNA, Antisense/pharmacology
- RNA, Antisense/therapeutic use
- RNA, Messenger/drug effects
- RNA, Messenger/pharmacology
- RNA, Ribosomal/drug effects
- RNA, Ribosomal/pharmacology
- RNA, Small Interfering/pharmacology
- RNA, Small Interfering/therapeutic use
- RNA, Viral/drug effects
- Ribonucleases/metabolism
- Riboswitch/drug effects
- SARS-CoV-2
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Affiliation(s)
- Ai-Ming Yu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, California (A.-M.Y., Y.H.C., M.-J.T.) and College of Pharmacy and Integrated Research Institute for Drug Development, Dongguk University-Seoul, Goyang-si, Gyonggi-do, Republic of Korea (Y.H.C.)
| | - Young Hee Choi
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, California (A.-M.Y., Y.H.C., M.-J.T.) and College of Pharmacy and Integrated Research Institute for Drug Development, Dongguk University-Seoul, Goyang-si, Gyonggi-do, Republic of Korea (Y.H.C.)
| | - Mei-Juan Tu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, California (A.-M.Y., Y.H.C., M.-J.T.) and College of Pharmacy and Integrated Research Institute for Drug Development, Dongguk University-Seoul, Goyang-si, Gyonggi-do, Republic of Korea (Y.H.C.)
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23
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Chen Y, Zhou Y, Han F, Zhao Y, Tu M, Wang Y, Huang C, Fan S, Chen P, Yao X, Guan L, Yu AM, Gonzalez FJ, Huang M, Bi H. A novel miR-1291-ERRα-CPT1C axis modulates tumor cell proliferation, metabolism and tumorigenesis. Theranostics 2020; 10:7193-7210. [PMID: 32641987 PMCID: PMC7330864 DOI: 10.7150/thno.44877] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 05/18/2020] [Indexed: 12/11/2022] Open
Abstract
Rationale: MicroRNAs are known to influence the development of a variety of cancers. Previous studies revealed that miR-1291 has antiproliferative functions in cancer cells. Carnitine palmitoyltransferase 1C (CPT1C) has a vital role in mitochondrial energy metabolism and modulation of cancer cell proliferation. Since both miR-1291 and CPT1C regulate tumor cell metabolism and cancer progression, we hypothesized that they might be regulated synergistically. Methods: A series of cell phenotype indicators, such as BrdU, colony formation, cell cycle, ATP production, ROS accumulation and cell ability to resist metabolic stress, were performed to clarify the effects of miR-1291 and ERRα expression on tumor cell proliferation and metabolism. A xenograft tumor model was used to evaluate cell tumorigenesis. Meta-analysis and bioinformatic prediction were applied in the search for the bridge-link between miR-1291 and CPT1C. RT-qPCR, western-blot and IHC analysis were used for the detection of mRNA and protein expression. Luciferase assays and ChIP assays were conducted for in-depth mechanism studies. Results: The expression of miR-1291 inhibited growth and tumorigenesis as a result of modulation of metabolism. CPT1C expression was indirectly and negatively correlated with miR-1291 levels. ESRRA was identified as a prominent differentially expressed gene in both breast and pancreatic cancer samples, and estrogen-related receptor α (ERRα) was found to link miR-1291 and CPT1C. MiR-1291 targeted ERRα and CPT1C was identified as a newly described ERRα target gene. Moreover, ERRα was found to influence cancer cell metabolism and proliferation, consistent with the cellular changes caused by miR-1291. Conclusion: This study demonstrated the existence and mechanism of action of a novel miR-1291-ERRα-CPT1C cancer metabolism axis that may provide new insights and strategies for the development of miRNA-based therapies for malignant cancers.
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Affiliation(s)
- Yixin Chen
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China 510006
| | - Yanying Zhou
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China 510006
| | - Fangwei Han
- School of Public Health, UNT Health Science Center, Fort Worth, TX 76107, USA
| | - Yingyuan Zhao
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China 510006
| | - Meijuan Tu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Yongtao Wang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China 510006
| | - Can Huang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China 510006
| | - Shicheng Fan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China 510006
| | - Panpan Chen
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China 510006
| | - Xinpeng Yao
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China 510006
| | - Lihuan Guan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China 510006
| | - Ai-Ming Yu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Frank J. Gonzalez
- Laboratory of Metabolism, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD 20892, USA
| | - Min Huang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China 510006
| | - Huichang Bi
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China 510006
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24
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Zhou Q, Guo J, Huang W, Yu X, Xu C, Long X. Linc-ROR promotes the progression of breast cancer and decreases the sensitivity to rapamycin through miR-194-3p targeting MECP2. Mol Oncol 2020; 14:2231-2250. [PMID: 32335998 PMCID: PMC7463371 DOI: 10.1002/1878-0261.12700] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 03/16/2020] [Accepted: 04/22/2020] [Indexed: 12/13/2022] Open
Abstract
linc‐ROR is reported to be a potential biomarker of breast cancer, but the detailed mechanism of linc‐ROR‐mediated breast cancer regulation has not been fully studied. We aimed to explore how linc‐ROR affects proliferation, metastasis, and drug sensitivity in breast cancer. Cell lines in which linc‐ROR was overexpressed or knocked down were constructed, and the cell proliferation, colony formation, cell migration, and invasion abilities of these lines were explored. A CCK‐8 assay was performed to determine the sensitivity of the breast cancer cells to rapamycin. Next‐generation sequencing was conducted to explore the detailed regulatory mechanism of linc‐ROR; differentially expressed RNAs in the linc‐ROR‐overexpressing cell line compared with the negative control were screened out, and their target genes were chosen to perform Gene Ontology analysis, Kyoto Encyclopedia of Genes and Genomes analysis, protein–protein interaction network analysis, and competing endogenous RNA (ceRNA) network analysis. The ceRNA mechanism of linc‐ROR for miR‐194‐3p, which targets MECP2, was determined through dual‐luciferase reporter assay, RT–qPCR, western blot, and rescue experiments. Finally, we found that linc‐ROR was upregulated in breast tumor tissues. linc‐ROR promoted the cell proliferation, colony formation, cell migration, and invasion of breast cancer and decreased the sensitivity of breast cancer cells to rapamycin. The overexpression of linc‐ROR triggered changes in the whole transcriptome of breast cancer cells, and a total of 85 lncRNAs, 414 microRNAs, 490 mRNAs, and 92 circRNAs were differentially expressed in the linc‐ROR‐overexpressing cell line compared with the negative control. Through a series of bioinformatic analyses, the ‘linc‐ROR/miR‐194‐3p/MECP2’ ceRNA regulatory axis was confirmed to be involved in the linc‐ROR‐mediated progression and drug sensitivity of breast cancer. In conclusion, linc‐ROR serves as an onco‐lncRNA in breast cancer and promotes the survival of breast cancer cells during rapamycin treatment by functioning as a ceRNA sponge for miR‐194‐3p, which targets MECP2.
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Affiliation(s)
- Qian Zhou
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, China
| | - Juan Guo
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, China
| | - Wenjie Huang
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, China
| | - Xiaosi Yu
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, China
| | - Chen Xu
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, China
| | - Xinghua Long
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, China
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25
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Laham-Karam N, Pinto GP, Poso A, Kokkonen P. Transcription and Translation Inhibitors in Cancer Treatment. Front Chem 2020; 8:276. [PMID: 32373584 PMCID: PMC7186406 DOI: 10.3389/fchem.2020.00276] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 03/20/2020] [Indexed: 12/12/2022] Open
Abstract
Transcription and translation are fundamental cellular processes that govern the protein production of cells. These processes are generally up regulated in cancer cells, to maintain the enhanced metabolism and proliferative state of these cells. As such cancerous cells can be susceptible to transcription and translation inhibitors. There are numerous druggable proteins involved in transcription and translation which make lucrative targets for cancer drug development. In addition to proteins, recent years have shown that the "undruggable" transcription factors and RNA molecules can also be targeted to hamper the transcription or translation in cancer. In this review, we summarize the properties and function of the transcription and translation inhibitors that have been tested and developed, focusing on the advances of the last 5 years. To complement this, we also discuss some of the recent advances in targeting oncogenes tightly controlling transcription including transcription factors and KRAS. In addition to natural and synthetic compounds, we review DNA and RNA based approaches to develop cancer drugs. Finally, we conclude with the outlook to the future of the development of transcription and translation inhibitors.
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Affiliation(s)
- Nihay Laham-Karam
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Gaspar P. Pinto
- International Clinical Research Center, St. Anne University Hospital, Brno, Czechia
- Loschmidt Laboratories, Department of Experimental Biology and RECETOX, Faculty of Science, Masaryk University, Brno, Czechia
| | - Antti Poso
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
- University Hospital Tübingen, Department of Internal Medicine VIII, University of Tübingen, Tübingen, Germany
| | - Piia Kokkonen
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
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26
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Yu AM, Batra N, Tu MJ, Sweeney C. Novel approaches for efficient in vivo fermentation production of noncoding RNAs. Appl Microbiol Biotechnol 2020; 104:1927-1937. [PMID: 31953559 PMCID: PMC7385725 DOI: 10.1007/s00253-020-10350-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 12/26/2019] [Accepted: 01/03/2020] [Indexed: 01/07/2023]
Abstract
Genome-derived noncoding RNAs (ncRNAs), including microRNAs (miRNAs), small interfering RNAs (siRNAs), and long noncoding RNAs (lncRNAs), play an essential role in the control of target gene expression underlying various cellular processes, and dysregulation of ncRNAs is involved in the pathogenesis and progression of various diseases in virtually all species including humans. Understanding ncRNA biology has opened new avenues to develop novel RNA-based therapeutics. Presently, ncRNA research and drug development is dominated by the use of ncRNA mimics that are synthesized chemically in vitro and supplemented with extensive and various types of artificial modifications and thus may not necessarily recapitulate the properties of natural RNAs generated and folded in living cells in vivo. Therefore, there are growing interests in developing novel technologies for in vivo production of RNA molecules. The two most recent major breakthroughs in achieving an efficient, large-scale, and cost-effective fermentation production of recombinant or bioengineered RNAs (e.g., tens of milligrams from 1 L of bacterial culture) are (1) using stable RNA carriers and (2) direct overexpression in RNase III-deficient bacteria, while other approaches offer a low yield (e.g., nano- to microgram scales per liter). In this article, we highlight these novel microbial fermentation-based technologies that have shifted the paradigm to the production of true biological ncRNA molecules for research and development.
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Affiliation(s)
- Ai-Ming Yu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, 95817, USA.
| | - Neelu Batra
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, 95817, USA
| | - Mei-Juan Tu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, 95817, USA
| | - Colleen Sweeney
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, 95817, USA
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27
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Yi W, Tu MJ, Liu Z, Zhang C, Batra N, Yu AX, Yu AM. Bioengineered miR-328-3p modulates GLUT1-mediated glucose uptake and metabolism to exert synergistic antiproliferative effects with chemotherapeutics. Acta Pharm Sin B 2020; 10:159-170. [PMID: 31993313 PMCID: PMC6976971 DOI: 10.1016/j.apsb.2019.11.001] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 08/16/2019] [Accepted: 10/31/2019] [Indexed: 12/15/2022] Open
Abstract
MicroRNAs (miRNAs or miRs) are small noncoding RNAs derived from genome to control target gene expression. Recently we have developed a novel platform permitting high-yield production of bioengineered miRNA agents (BERA). This study is to produce and utilize novel fully-humanized BERA/miR-328-3p molecule (hBERA/miR-328) to delineate the role of miR-328-3p in controlling nutrient uptake essential for cell metabolism. We first demonstrated successful high-level expression of hBERA/miR-328 in bacteria and purification to high degree of homogeneity (>98%). Biologic miR-328-3p prodrug was selectively processed to miR-328-3p to suppress the growth of highly-proliferative human osteosarcoma (OS) cells. Besides glucose transporter protein type 1, gene symbol solute carrier family 2 member 1 (GLUT1/SLC2A1), we identified and verified large neutral amino acid transporter 1, gene symbol solute carrier family 7 member 5 (LAT1/SLC7A5) as a direct target for miR-328-3p. While reduction of LAT1 protein levels by miR-328-3p did not alter homeostasis of amino acids within OS cells, suppression of GLUT1 led to a significantly lower glucose uptake and decline in intracellular levels of glucose and glycolytic metabolite lactate. Moreover, combination treatment with hBERA/miR-328 and cisplatin or doxorubicin exerted a strong synergism in the inhibition of OS cell proliferation. These findings support the utility of novel bioengineered RNA molecules and establish an important role of miR-328-3p in the control of nutrient transport and homeostasis behind cancer metabolism.
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Key Words
- 2-NBDG, 2-[N-(7-nitrobenz-2-oxa-1,3-diazol-4-yl) amino]-2-deoxyglucose
- ABCG2, ATP-binding cassette subfamily G member 2
- ACN, acetonitrile
- Au/Uv, absorbance unit of ultraviolet-visible spectroscopy
- BCRP, breast cancer resistant protein
- BERA, bioengineered miRNA agent
- Bioengineered RNA
- CI, combination index
- CPT, cisplatin
- Cancer
- Chemosensitivity
- DOX, doxorubicin
- E. coli, Escherichia coli
- ESI, electrospray ionization
- FPLC, fast protein liquid chromatography
- Fa, fraction affected
- GLUT1
- GLUT1, glucose transporter protein type 1
- HCC, hepatocellular carcinoma
- HPLC, high-performance liquid chromatography
- IS, internal standard
- KRB, Krebs–Ringer bicarbonate
- LAT1
- LAT1, large neutral amino acid transporter 1
- LC–MS/MS, liquid chromatography–tandem mass spectroscopy
- MCT4, monocarboxylate transporter 4
- MRE, miRNA response elements
- MRM, multiple reaction monitoring
- MiR-328
- OS, osteosarcoma
- PAGE, polyacrylamide gel electrophoresis
- PTEN, phosphatase and tensin homolog
- PVDF, Polyvinylidene fluoride
- RAGE, receptor for advanced glycosylation end products
- RT-qPCR, reverse transcription quantitative real-time polymerase chain reaction
- SLC2A1, 7A5, 16A3, solute carrier family 2 member 1, family 7 member 5, family 16 member 3
- WT, wild type
- hBERA, humanized bioengineered miRNA agent
- hsa, Homo sapiens
- htRNASer, human seryl-tRNA
- mTOR, mammalian target of rapamycin
- miR or miRNA, microRNA
- ncRNA, noncoding RNAs
- nt, nucleotide
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Affiliation(s)
- Wanrong Yi
- Department of Orthopaedic Trauma and Microsurgery, Zhongnan Hospital of Wuhan University, Wuhan 430072, China
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento 95817, CA, USA
| | - Mei-Juan Tu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento 95817, CA, USA
| | - Zhenzhen Liu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento 95817, CA, USA
| | - Chao Zhang
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento 95817, CA, USA
| | - Neelu Batra
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento 95817, CA, USA
| | - Ai-Xi Yu
- Department of Orthopaedic Trauma and Microsurgery, Zhongnan Hospital of Wuhan University, Wuhan 430072, China
| | - Ai-Ming Yu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento 95817, CA, USA
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28
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Li Y, Meng Q, Yang M, Liu D, Hou X, Tang L, Wang X, Lyu Y, Chen X, Liu K, Yu AM, Zuo Z, Bi H. Current trends in drug metabolism and pharmacokinetics. Acta Pharm Sin B 2019; 9:1113-1144. [PMID: 31867160 PMCID: PMC6900561 DOI: 10.1016/j.apsb.2019.10.001] [Citation(s) in RCA: 117] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 08/23/2019] [Accepted: 09/09/2019] [Indexed: 12/15/2022] Open
Abstract
Pharmacokinetics (PK) is the study of the absorption, distribution, metabolism, and excretion (ADME) processes of a drug. Understanding PK properties is essential for drug development and precision medication. In this review we provided an overview of recent research on PK with focus on the following aspects: (1) an update on drug-metabolizing enzymes and transporters in the determination of PK, as well as advances in xenobiotic receptors and noncoding RNAs (ncRNAs) in the modulation of PK, providing new understanding of the transcriptional and posttranscriptional regulatory mechanisms that result in inter-individual variations in pharmacotherapy; (2) current status and trends in assessing drug-drug interactions, especially interactions between drugs and herbs, between drugs and therapeutic biologics, and microbiota-mediated interactions; (3) advances in understanding the effects of diseases on PK, particularly changes in metabolizing enzymes and transporters with disease progression; (4) trends in mathematical modeling including physiologically-based PK modeling and novel animal models such as CRISPR/Cas9-based animal models for DMPK studies; (5) emerging non-classical xenobiotic metabolic pathways and the involvement of novel metabolic enzymes, especially non-P450s. Existing challenges and perspectives on future directions are discussed, and may stimulate the development of new research models, technologies, and strategies towards the development of better drugs and improved clinical practice.
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Affiliation(s)
- Yuhua Li
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510275, China
- The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Qiang Meng
- College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Mengbi Yang
- School of Pharmacy, the Chinese University of Hong Kong, Hong Kong, China
| | - Dongyang Liu
- Drug Clinical Trial Center, Peking University Third Hospital, Beijing 100191, China
| | - Xiangyu Hou
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Lan Tang
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Xin Wang
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Yuanfeng Lyu
- School of Pharmacy, the Chinese University of Hong Kong, Hong Kong, China
| | - Xiaoyan Chen
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Kexin Liu
- College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Ai-Ming Yu
- UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Zhong Zuo
- School of Pharmacy, the Chinese University of Hong Kong, Hong Kong, China
| | - Huichang Bi
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510275, China
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Ning B, Yu D, Yu AM. Advances and challenges in studying noncoding RNA regulation of drug metabolism and development of RNA therapeutics. Biochem Pharmacol 2019; 169:113638. [PMID: 31518552 PMCID: PMC6802278 DOI: 10.1016/j.bcp.2019.113638] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 09/06/2019] [Indexed: 01/13/2023]
Abstract
Accumulating evidence has demonstrated that genome-derived noncoding RNAs (ncRNAs) play important roles in modulating inter-individual variations observed in drug metabolism and disposition by controlling the expression of genes coding drug metabolizing enzymes and transporters (DMETs) and relevant nuclear receptors (NRs). With the understanding of novel ncRNA regulatory mechanisms and significance in the control of disease initiation and progression, RNA-based therapies are under active investigation that may expand the druggable targets from conventional proteins to RNAs and the genome for the treatment of human diseases. Herein we provide an overview of research strategies, approaches and their limitations in biochemical and pharmacological studies pertaining to ncRNA functions in the regulation of drug and nutrient metabolism and disposition, and discussion on the promise and challenges in developing RNA therapeutics.
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Affiliation(s)
- Baitang Ning
- National Center for Toxicological Research (NCTR), US Food and Drug Administration, Jefferson, AR 72079, USA.
| | - Dianke Yu
- School of Public Health, Qingdao University, Qingdao, China
| | - Ai-Ming Yu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA.
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Bioengineering of a single long noncoding RNA molecule that carries multiple small RNAs. Appl Microbiol Biotechnol 2019; 103:6107-6117. [PMID: 31187211 DOI: 10.1007/s00253-019-09934-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 05/07/2019] [Accepted: 05/15/2019] [Indexed: 02/06/2023]
Abstract
Noncoding RNAs (ncRNAs), including microRNAs (miRNAs), small interfering RNAs (siRNAs), and long noncoding RNAs (lncRNAs), regulate target gene expression and can be used as tools for understanding biological processes and identifying new therapeutic targets. Currently, ncRNA molecules for research and therapeutic use are limited to ncRNA mimics made by chemical synthesis. We have recently established a high-yield and cost-effective method of producing bioengineered or biologic ncRNA agents (BERAs) through bacterial fermentation, which is based on a stable tRNA/pre-miR-34a carrier (~ 180 nt) that accommodates target small RNAs. Nevertheless, it remains a challenge to heterogeneously express longer ncRNAs (e.g., > 260 nt), and it is unknown if single BERA may carry multiple small RNAs. To address this issue, we hypothesized that an additional human pre-miR-34a could be attached to the tRNA/pre-miR-34a scaffold to offer a new tRNA/pre-miR-34a/pre-miR-34a carrier (~ 296 nt) for the accommodation of multiple small RNAs. We thus designed ten different combinatorial BERAs (CO-BERAs) that include different combinations of miRNAs, siRNAs, and antagomirs. Our data showed that all target CO-BERAs were successfully expressed in Escherichia coli at high levels, greater than 40% in total bacterial RNAs. Furthermore, recombinant CO-BERAs were purified to a high degree of homogeneity by fast protein liquid chromatography methods. In addition, CO-BERAs exhibited strong anti-proliferative activities against a variety of human non-small cell lung cancer cell lines. These results support the production of long ncRNA molecules carrying different warhead small RNAs for multi-targeting which may open avenues for developing new biologic RNAs as experimental, diagnostic, and therapeutic tools.
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Li X, Tian Y, Tu MJ, Ho PY, Batra N, Yu AM. Bioengineered miR-27b-3p and miR-328-3p modulate drug metabolism and disposition via the regulation of target ADME gene expression. Acta Pharm Sin B 2019; 9:639-647. [PMID: 31193825 PMCID: PMC6543075 DOI: 10.1016/j.apsb.2018.12.002] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 11/07/2018] [Accepted: 11/15/2018] [Indexed: 12/31/2022] Open
Abstract
Drug-metabolizing enzymes, transporters, and nuclear receptors are essential for the absorption, distribution, metabolism, and excretion (ADME) of drugs and xenobiotics. MicroRNAs participate in the regulation of ADME gene expression via imperfect complementary Watson-Crick base pairings with target transcripts. We have previously reported that Cytochrome P450 3A4 (CYP3A4) and ATP-binding cassette sub-family G member 2 (ABCG2) are regulated by miR-27b-3p and miR-328-3p, respectively. Here we employed our newly established RNA bioengineering technology to produce bioengineered RNA agents (BERA), namely BERA/miR-27b-3p and BERA/miR-328-3p, via fermentation. When introduced into human cells, BERA/miR-27b-3p and BERA/miR-328-3p were selectively processed to target miRNAs and thus knock down CYP3A4 and ABCG2 mRNA and their protein levels, respectively, as compared to cells treated with vehicle or control RNA. Consequently, BERA/miR-27b-3p led to a lower midazolam 1'-hydroxylase activity, indicating the reduction of CYP3A4 activity. Likewise, BERA/miR-328-3p treatment elevated the intracellular accumulation of anticancer drug mitoxantrone, a classic substrate of ABCG2, hence sensitized the cells to chemotherapy. The results indicate that biologic miRNA agents made by RNA biotechnology may be applied to research on miRNA functions in the regulation of drug metabolism and disposition that could provide insights into the development of more effective therapies.
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Key Words
- 3′-UTR, 3′-untranslated region;, VDR, vitamin D receptor
- ABCG2
- ABCG2, ATP-binding cassette sub-family G member 2;, ADME, absorption, distribution, metabolism, and excretion
- BERA, bioengineered RNA agent;, CYP, cytochrome P450
- Bioengineered RNA
- CYP3A4
- Drug disposition
- E. coli, Escherichia coli;, FPLC, fast protein liquid chromatography
- LC--MS/MS, liquid chromatographytandem mass spectroscopy;, microRNA, miR or miRNA
- RNAi, RNA interference;, RT-qPCR, reverse transcription quantitative real-time polymerase chain reaction
- RXRα, retinoid X receptor α;, tRNA, transfer RNA
- miR-27b
- miR-328
- ncRNA, noncoding RNA;, PAGE, polyacrylamide gel electrophoresis
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Affiliation(s)
- Xin Li
- Key Laboratory of Molecular Target & Clinical Pharmacology, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou 511436, China
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Ye Tian
- Lab for Bone Metabolism, Key Lab for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi׳an 710072, China
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Mei-Juan Tu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Pui Yan Ho
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Neelu Batra
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Ai-Ming Yu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
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Tu MJ, Ho PY, Zhang QY, Jian C, Qiu JX, Kim EJ, Bold RJ, Gonzalez FJ, Bi H, Yu AM. Bioengineered miRNA-1291 prodrug therapy in pancreatic cancer cells and patient-derived xenograft mouse models. Cancer Lett 2019; 442:82-90. [PMID: 30389433 PMCID: PMC6311422 DOI: 10.1016/j.canlet.2018.10.038] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 09/12/2018] [Accepted: 10/25/2018] [Indexed: 02/08/2023]
Abstract
Our recent studies have revealed that microRNA-1291 (miR-1291) is downregulated in pancreatic cancer (PC) specimens and restoration of miR-1291 inhibits tumorigenesis of PC cells. This study is to assess the efficacy and underlying mechanism of our bioengineered miR-1291 prodrug monotherapy and combined treatment with chemotherapy. AT-rich interacting domain protein 3B (ARID3B) was verified as a new target for miR-1291, and miR-1291 prodrug was processed to mature miR-1291 in PC cells which surprisingly upregulated ARID3B mRNA and protein levels. Co-administration of miR-1291 with gemcitabine plus nab-paclitaxel (Gem-nP) largely increased the levels of apoptosis, DNA damage and mitotic arrest in PC cells, compared to mono-drug treatment. Consequently, miR-1291 prodrug improved cell sensitivity to Gem-nP. Furthermore, systemic administration of in vivo-jetPEI-formulated miR-1291 prodrug suppressed tumor growth in both PANC-1 xenograft and PC patients derived xenograft (PDX) mouse models to comparable degrees as Gem-nP alone, while combination treatment reduced tumor growth more ubiquitously and to the greatest degrees (70-90%), compared to monotherapy. All treatments were well tolerated in mice. In conclusion, biologic miR-1291 prodrug has therapeutic potential as a monotherapy for PC, and a sensitizing agent to chemotherapy.
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Affiliation(s)
- Mei-Juan Tu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, 95817, USA
| | - Pui Yan Ho
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, 95817, USA
| | - Qian-Yu Zhang
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, 95817, USA
| | - Chao Jian
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, 95817, USA
| | - Jing-Xin Qiu
- Roswell Park Cancer Institute, Buffalo, NY, 14263, USA
| | - Edward J Kim
- Division of Hematology and Oncology, UC Davis School of Medicine, Sacramento, CA, 95817, USA
| | - Richard J Bold
- Department of Surgery, UC Davis School of Medicine, Sacramento, CA, 95817, USA
| | - Frank J Gonzalez
- Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Huichang Bi
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Ai-Ming Yu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, 95817, USA.
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Jilek JL, Zhang QY, Tu MJ, Ho PY, Duan Z, Qiu JX, Yu AM. Bioengineered Let-7c Inhibits Orthotopic Hepatocellular Carcinoma and Improves Overall Survival with Minimal Immunogenicity. MOLECULAR THERAPY. NUCLEIC ACIDS 2019; 14:498-508. [PMID: 30753993 PMCID: PMC6370598 DOI: 10.1016/j.omtn.2019.01.007] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2018] [Revised: 01/14/2019] [Accepted: 01/15/2019] [Indexed: 12/13/2022]
Abstract
Hepatocellular carcinoma (HCC) remains a leading cause of cancer-related deaths, warranting better therapies. Restoration of tumor-suppressive microRNAs depleted in hepatocellular carcinoma represents a new therapeutic strategy. Herein, we sought to identify a potent microRNA (miRNA) agent that could alleviate HCC tumor burden and improve survival. Among a collection of bioengineered noncoding RNA molecules produced through bacterial fermentation, we identified let-7c agent as the most potent inhibitor of HCC cell viability. Bioengineered let-7c selectively modulated target gene expression (Lin-28 homolog B [LIN28B], AT-rich interactive domain-containing protein 3B [ARID3B], B cell lymphoma-extra large [Bcl-xl], and c-Myc) in HCC cells, and consequently induced apoptosis and inhibited tumorsphere growth. When formulated with liposomal-branched polyethylenimine polyplex, bioengineered let-7c exhibited serum stability up to 24 h. Furthermore, liposomal polyplex-formulated let-7c could effectively reduce tumor burden and progression in orthotopic HCC mouse models, while linear polyethyleneimine-formulated let-7c to a lower degree, as revealed by live animal and ex vivo tissue imaging studies. This was also supported by reduced serum α-fetoprotein and bilirubin levels in let-7c-treated mice. In addition, lipopolyplex-formulated let-7c extended overall survival of HCC tumor-bearing mice and elicited no or minimal immune responses in healthy immunocompetent mice and human peripheral blood mononuclear cells. These results demonstrate that bioengineered let-7c is a promising molecule for advanced HCC therapy, and liposomal polyplex is a superior modality for in vivo RNA delivery.
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Affiliation(s)
- Joseph L Jilek
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Qian-Yu Zhang
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Mei-Juan Tu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Pui Yan Ho
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Zhijian Duan
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Jing-Xin Qiu
- Department of Pathology, Roswell Park Cancer Institute, Buffalo, NY 14263, USA
| | - Ai-Ming Yu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA.
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Abstract
Small-molecule and protein/antibody drugs mainly act on genome-derived proteins to exert pharmacological effects. RNA based therapies hold the promise to expand the range of druggable targets from proteins to RNAs and the genome, as evidenced by several RNA drugs approved for clinical practice and many others under active trials. While chemo-engineered RNA mimics have found their success in marketed drugs and continue dominating basic research and drug development, these molecules are usually conjugated with extensive and various modifications. This makes them completely different from cellular RNAs transcribed from the genome that usually consist of unmodified ribonucleotides or just contain a few posttranscriptional modifications. The use of synthetic RNA mimics for RNA research and drug development is also in contrast with the ultimate success of protein research and therapy utilizing biologic or recombinant proteins produced and folded in living cells instead of polypeptides or proteins synthesized in vitro. Indeed, efforts have been made recently to develop RNA bioengineering technologies for cost-effective and large-scale production of biologic RNA molecules that may better capture the structures, functions, and safety profiles of natural RNAs. In this article, we provide an overview on RNA therapeutics for the treatment of human diseases via RNA interference mechanisms. By illustrating the structural differences between natural RNAs and chemo-engineered RNA mimics, we focus on discussion of a novel class of bioengineered/biologic RNA agents produced through fermentation and their potential applications to RNA research and drug development.
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Affiliation(s)
- Ai-Ming Yu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA.
| | - Chao Jian
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Allan H Yu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Mei-Juan Tu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
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miR-22/KAT6B axis is a chemotherapeutic determiner via regulation of PI3k-Akt-NF-kB pathway in tongue squamous cell carcinoma. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:164. [PMID: 30041677 PMCID: PMC6056941 DOI: 10.1186/s13046-018-0834-z] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 06/26/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUND Tongue squamous cell carcinoma (TSCC) is the most common oral cancer. Neoadjuvant systemic treatment before or after surgery for advanced TSCC is considered one of the most crucial factors in reducing mortality. However, the therapeutic benefits of chemotherapy are usually attenuated due to intrinsic and/or acquired drug resistance, and a large proportion of TSCC are resistant to chemotherapy, which may result in more aggressive tumor behavior and an even worse clinical outcome. Recently, the potential application of using miRNAs to predict therapeutic response to cancer treatment holds high promise, but miRNAs with predictive value remain to be identified and underlying mechanisms remain to be understood in TSCC. METHODS The expression of miR-22 in tissues from patients diagnosed with TSCC was analyzed using real-time PCR. The effects of miR-22 on cell proliferation and tumorigenesis in TSCC cells were analyzed by MTS assay, and flow cytometry. The tumor growth in vivo was observed in xenograft model. Luciferase reporter assay, real-time PCR and western blot were performed to validate a potential target of miR-22 in TC. The correlation between miR-22 expression and KAT6B expression, as well as the mechanisms by which miR-22 regulates PI3k-Akt-NF-kB pathway in TSCC were also addressed. RESULTS We found a strong correlation between miR-22 expression and chemosensitivity to cisplatin (CDDP) in TSCC patients. Ectopic overexpression of miR-22 enhanced TSCC cells apoptosis in response to CDDP in experimental models performed in vitro and in vivo. Moreover, we found that KAT6B is a direct functional target of miR-22. Ectopic expression of KAT6B attenuated the efficiency of miR-22 in TSCC cells upon CDDP treatment. Mechanistically, miR-22 overexpression or KAT6B knockdown inhibited PI3K/Akt/NF-κB signaling in TSCC cells, possibly via downregulating the activators of PI3K/Akt/NF-κB signaling, such as S100A8, PDGF and VEGF. Furthermore, the activation of miR-22 depended on the intensity of the stresses in the presence of p53 activation. CONCLUSIONS Our findings define miR-22 as an intrinsic molecular switch that determines p53-dependent cellular fate through KAT6B/ PI3K-Akt/ NF-kB pathway.
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Zhang QY, Ho PY, Tu MJ, Jilek JL, Chen QX, Zeng S, Yu AM. Lipidation of polyethylenimine-based polyplex increases serum stability of bioengineered RNAi agents and offers more consistent tumoral gene knockdown in vivo. Int J Pharm 2018; 547:537-544. [PMID: 29894758 DOI: 10.1016/j.ijpharm.2018.06.026] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 06/04/2018] [Accepted: 06/08/2018] [Indexed: 01/30/2023]
Abstract
Recently we have established a novel approach to produce bioengineered noncoding RNA agents (BERAs) in living cells that carry target RNAi molecules (e.g., siRNA and miRNA) and thus act as "prodrugs". Using GFP-siRNA-loaded BERA (BERA/GFP-siRNA) as a model molecule, this study was to define the in vitro and in vivo knockdown efficiency of BERAs delivered by liposome-polyethylenimine nanocomplex (lipopolyplex or LPP). Compared to in vivo-jetPEI® (IVJ-PEI) and polyplex formulations, LPP offered greater protection of BERA/GFP-siRNA against degradation by serum RNases. Particle sizes and zeta potentials of LPP nanocomplex remained stable over 28 days when stored at 4 °C. Furthermore, comparable levels of BERA/GFP-siRNA were delivered by LPP and IVJ-PEI to luciferase/GFP-expressing human SK-Hep1-Luc-GFP or A549-Luc-GFP cells, which were selectively processed into target GFP-siRNA and subsequently knocked down GFP mRNA and protein levels. In addition, LPP-carried BERA/GFP-siRNA was successfully delivered into xenograft tumors and offered more consistent knockdown of tumoral GFP mRNA level in an orthotopic hepatocellular carcinoma (HCC) SK-Hep1-Luc-GFP xenograft mouse model, while IVJ-PEI formulation showed larger variation. These findings demonstrated that lipidation of polyplexes improved serum stability of biologic RNAi molecules, which was efficiently delivered to orthotopic HCC tissues to knock down target gene expression.
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Affiliation(s)
- Qian-Yu Zhang
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Pui Yan Ho
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Mei-Juan Tu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Joseph L Jilek
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Qiu-Xia Chen
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA; College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Su Zeng
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Ai-Ming Yu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA.
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Ho PY, Duan Z, Batra N, Jilek JL, Tu MJ, Qiu JX, Hu Z, Wun T, Lara PN, DeVere White RW, Chen HW, Yu AM. Bioengineered Noncoding RNAs Selectively Change Cellular miRNome Profiles for Cancer Therapy. J Pharmacol Exp Ther 2018; 365:494-506. [PMID: 29602831 DOI: 10.1124/jpet.118.247775] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Accepted: 03/28/2018] [Indexed: 12/16/2022] Open
Abstract
Noncoding RNAs (ncRNAs) produced in live cells may better reflect intracellular ncRNAs for research and therapy. Attempts were made to produce biologic ncRNAs, but at low yield or success rate. Here we first report a new ncRNA bioengineering technology using more stable ncRNA carrier (nCAR) containing a pre-miR-34a derivative identified by rational design and experimental validation. This approach offered a remarkable higher level expression (40%-80% of total RNAs) of recombinant ncRNAs in bacteria and gave an 80% success rate (33 of 42 ncRNAs). New FPLC and spin-column based methods were also developed for large- and small-scale purification of milligrams and micrograms of recombinant ncRNAs from half liter and milliliters of bacterial culture, respectively. We then used two bioengineered nCAR/miRNAs to demonstrate the selective release of target miRNAs into human cells, which were revealed to be Dicer dependent (miR-34a-5p) or independent (miR-124a-3p), and subsequent changes of miRNome and transcriptome profiles. miRNA enrichment analyses of altered transcriptome confirmed the specificity of nCAR/miRNAs in target gene regulation. Furthermore, nCAR assembled miR-34a-5p and miR-124-3p were active in suppressing human lung carcinoma cell proliferation through modulation of target gene expression (e.g., cMET and CDK6 for miR-34a-5p; STAT3 and ABCC4 for miR-124-3p). In addition, bioengineered miRNA molecules were effective in controlling metastatic lung xenograft progression, as demonstrated by live animal and ex vivo lung tissue bioluminescent imaging as well as histopathological examination. This novel ncRNA bioengineering platform can be easily adapted to produce various ncRNA molecules, and biologic ncRNAs hold the promise as new cancer therapeutics.
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Affiliation(s)
- Pui Yan Ho
- Department of Biochemistry and Molecular Medicine (P.Y.H., Z.D., N.B., J.L.J., M.-J.T., H.-W.C., A.-M.Y.), Division of Hematology Oncology (T.W.), Department of Internal Medicine (P.N.L.), and Department of Urology (R.W.D.W.), UC Davis School of Medicine, Sacramento, California; Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center for Computational Research, New York State Center of Excellence in Bioinformatics and Life Sciences, State University of New York at Buffalo, Buffalo, New York (Z.H.)
| | - Zhijian Duan
- Department of Biochemistry and Molecular Medicine (P.Y.H., Z.D., N.B., J.L.J., M.-J.T., H.-W.C., A.-M.Y.), Division of Hematology Oncology (T.W.), Department of Internal Medicine (P.N.L.), and Department of Urology (R.W.D.W.), UC Davis School of Medicine, Sacramento, California; Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center for Computational Research, New York State Center of Excellence in Bioinformatics and Life Sciences, State University of New York at Buffalo, Buffalo, New York (Z.H.)
| | - Neelu Batra
- Department of Biochemistry and Molecular Medicine (P.Y.H., Z.D., N.B., J.L.J., M.-J.T., H.-W.C., A.-M.Y.), Division of Hematology Oncology (T.W.), Department of Internal Medicine (P.N.L.), and Department of Urology (R.W.D.W.), UC Davis School of Medicine, Sacramento, California; Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center for Computational Research, New York State Center of Excellence in Bioinformatics and Life Sciences, State University of New York at Buffalo, Buffalo, New York (Z.H.)
| | - Joseph L Jilek
- Department of Biochemistry and Molecular Medicine (P.Y.H., Z.D., N.B., J.L.J., M.-J.T., H.-W.C., A.-M.Y.), Division of Hematology Oncology (T.W.), Department of Internal Medicine (P.N.L.), and Department of Urology (R.W.D.W.), UC Davis School of Medicine, Sacramento, California; Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center for Computational Research, New York State Center of Excellence in Bioinformatics and Life Sciences, State University of New York at Buffalo, Buffalo, New York (Z.H.)
| | - Mei-Juan Tu
- Department of Biochemistry and Molecular Medicine (P.Y.H., Z.D., N.B., J.L.J., M.-J.T., H.-W.C., A.-M.Y.), Division of Hematology Oncology (T.W.), Department of Internal Medicine (P.N.L.), and Department of Urology (R.W.D.W.), UC Davis School of Medicine, Sacramento, California; Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center for Computational Research, New York State Center of Excellence in Bioinformatics and Life Sciences, State University of New York at Buffalo, Buffalo, New York (Z.H.)
| | - Jing-Xin Qiu
- Department of Biochemistry and Molecular Medicine (P.Y.H., Z.D., N.B., J.L.J., M.-J.T., H.-W.C., A.-M.Y.), Division of Hematology Oncology (T.W.), Department of Internal Medicine (P.N.L.), and Department of Urology (R.W.D.W.), UC Davis School of Medicine, Sacramento, California; Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center for Computational Research, New York State Center of Excellence in Bioinformatics and Life Sciences, State University of New York at Buffalo, Buffalo, New York (Z.H.)
| | - Zihua Hu
- Department of Biochemistry and Molecular Medicine (P.Y.H., Z.D., N.B., J.L.J., M.-J.T., H.-W.C., A.-M.Y.), Division of Hematology Oncology (T.W.), Department of Internal Medicine (P.N.L.), and Department of Urology (R.W.D.W.), UC Davis School of Medicine, Sacramento, California; Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center for Computational Research, New York State Center of Excellence in Bioinformatics and Life Sciences, State University of New York at Buffalo, Buffalo, New York (Z.H.)
| | - Theodore Wun
- Department of Biochemistry and Molecular Medicine (P.Y.H., Z.D., N.B., J.L.J., M.-J.T., H.-W.C., A.-M.Y.), Division of Hematology Oncology (T.W.), Department of Internal Medicine (P.N.L.), and Department of Urology (R.W.D.W.), UC Davis School of Medicine, Sacramento, California; Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center for Computational Research, New York State Center of Excellence in Bioinformatics and Life Sciences, State University of New York at Buffalo, Buffalo, New York (Z.H.)
| | - Primo N Lara
- Department of Biochemistry and Molecular Medicine (P.Y.H., Z.D., N.B., J.L.J., M.-J.T., H.-W.C., A.-M.Y.), Division of Hematology Oncology (T.W.), Department of Internal Medicine (P.N.L.), and Department of Urology (R.W.D.W.), UC Davis School of Medicine, Sacramento, California; Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center for Computational Research, New York State Center of Excellence in Bioinformatics and Life Sciences, State University of New York at Buffalo, Buffalo, New York (Z.H.)
| | - Ralph W DeVere White
- Department of Biochemistry and Molecular Medicine (P.Y.H., Z.D., N.B., J.L.J., M.-J.T., H.-W.C., A.-M.Y.), Division of Hematology Oncology (T.W.), Department of Internal Medicine (P.N.L.), and Department of Urology (R.W.D.W.), UC Davis School of Medicine, Sacramento, California; Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center for Computational Research, New York State Center of Excellence in Bioinformatics and Life Sciences, State University of New York at Buffalo, Buffalo, New York (Z.H.)
| | - Hong-Wu Chen
- Department of Biochemistry and Molecular Medicine (P.Y.H., Z.D., N.B., J.L.J., M.-J.T., H.-W.C., A.-M.Y.), Division of Hematology Oncology (T.W.), Department of Internal Medicine (P.N.L.), and Department of Urology (R.W.D.W.), UC Davis School of Medicine, Sacramento, California; Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center for Computational Research, New York State Center of Excellence in Bioinformatics and Life Sciences, State University of New York at Buffalo, Buffalo, New York (Z.H.)
| | - Ai-Ming Yu
- Department of Biochemistry and Molecular Medicine (P.Y.H., Z.D., N.B., J.L.J., M.-J.T., H.-W.C., A.-M.Y.), Division of Hematology Oncology (T.W.), Department of Internal Medicine (P.N.L.), and Department of Urology (R.W.D.W.), UC Davis School of Medicine, Sacramento, California; Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center for Computational Research, New York State Center of Excellence in Bioinformatics and Life Sciences, State University of New York at Buffalo, Buffalo, New York (Z.H.)
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Jian C, Tu MJ, Ho PY, Duan Z, Zhang Q, Qiu JX, DeVere White RW, Wun T, Lara PN, Lam KS, Yu AX, Yu AM. Co-targeting of DNA, RNA, and protein molecules provides optimal outcomes for treating osteosarcoma and pulmonary metastasis in spontaneous and experimental metastasis mouse models. Oncotarget 2018; 8:30742-30755. [PMID: 28415566 PMCID: PMC5458164 DOI: 10.18632/oncotarget.16372] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 03/03/2017] [Indexed: 11/30/2022] Open
Abstract
Metastasis is a major cause of mortality for cancer patients and remains as the greatest challenge in cancer therapy. Driven by multiple factors, metastasis may not be controlled by the inhibition of single target. This study was aimed at assessing the hypothesis that drugs could be rationally combined to co-target critical DNA, RNA and protein molecules to achieve saturation attack against metastasis. Independent actions of the model drugs DNA-intercalating doxorubicin, RNA-interfering miR-34a and protein-inhibiting sorafenib on DNA replication, RNA translation and protein kinase signaling in highly metastatic, human osteosarcoma 143B cells were demonstrated by the increase of? H2A.X foci formation, reduction of c-MET expression and inhibition of Erk1/2 phosphorylation, respectively, and optimal effects were found for triple-drug combination. Consequently, triple-drug treatment showed a strong synergism in suppressing 143B cell proliferation and the greatest effects in reducing cell invasion. Compared to single- and dual-drug treatment, triple-drug therapy suppressed pulmonary metastases and orthotopic osteosarcoma progression to significantly greater degrees in orthotopic osteosarcoma xenograft/spontaneous metastases mouse models, while none showed significant toxicity. In addition, triple-drug therapy improved the overall survival to the greatest extent in experimental metastases mouse models. These findings demonstrate co-targeting of DNA, RNA and protein molecules as a novel therapeutic strategy for the treatment of metastasis.
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Affiliation(s)
- Chao Jian
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China.,Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, USA
| | - Mei-Juan Tu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, USA
| | - Pui Yan Ho
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, USA
| | - Zhijian Duan
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, USA
| | - Qianyu Zhang
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, USA
| | - Jing-Xin Qiu
- Department of Pathology, Roswell Park Cancer Institute, Buffalo, NY, USA
| | | | - Theodore Wun
- Division of Hematology Oncology, UC Davis School of Medicine, Sacramento, CA, USA
| | - Primo N Lara
- Division of Hematology Oncology, UC Davis School of Medicine, Sacramento, CA, USA.,Department of Internal Medicine, Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, CA, USA
| | - Kit S Lam
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, USA
| | - Ai-Xi Yu
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Ai-Ming Yu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, USA
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Tu MJ, Pan YZ, Qiu JX, Kim EJ, Yu AM. MicroRNA-1291 targets the FOXA2-AGR2 pathway to suppress pancreatic cancer cell proliferation and tumorigenesis. Oncotarget 2018; 7:45547-45561. [PMID: 27322206 PMCID: PMC5216741 DOI: 10.18632/oncotarget.9999] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Accepted: 05/29/2016] [Indexed: 01/13/2023] Open
Abstract
Pancreatic cancer is the fourth leading cause of cancer death in the United States. Better understanding of pancreatic cancer biology may help identify new oncotargets towards more effective therapies. This study investigated the mechanistic actions of microRNA-1291 (miR-1291) in the suppression of pancreatic tumorigenesis. Our data showed that miR-1291 was downregulated in a set of clinical pancreatic carcinoma specimens and human pancreatic cancer cell lines. Restoration of miR-1291 expression inhibited pancreatic cancer cell proliferation, which was associated with cell cycle arrest and enhanced apoptosis. Furthermore, miR-1291 sharply suppressed the tumorigenicity of PANC-1 cells in mouse models. A proteomic profiling study revealed 32 proteins altered over 2-fold in miR-1291-expressing PANC-1 cells that could be assembled into multiple critical pathways for cancer. Among them anterior gradient 2 (AGR2) was reduced to the greatest degree. Through computational and experimental studies we further identified that forkhead box protein A2 (FOXA2), a transcription factor governing AGR2 expression, was a direct target of miR-1291. These results connect miR-1291 to the FOXA2-AGR2 regulatory pathway in the suppression of pancreatic cancer cell proliferation and tumorigenesis, providing new insight into the development of miRNA-based therapy to combat pancreatic cancer.
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Affiliation(s)
- Mei-Juan Tu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Yu-Zhuo Pan
- Department of Pharmaceutical Sciences, SUNY-Buffalo, Buffalo, NY 14214, USA
| | - Jing-Xin Qiu
- Department of Pathology, Roswell Park Cancer Institute, Buffalo, NY 14263, USA
| | - Edward J Kim
- Division of Hematology and Oncology, UC Davis Comprehensive Cancer Center, Sacramento, CA 95817, USA
| | - Ai-Ming Yu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
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40
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Li PC, Tu MJ, Ho PY, Jilek JL, Duan Z, Zhang QY, Yu AX, Yu AM. Bioengineered NRF2-siRNA Is Effective to Interfere with NRF2 Pathways and Improve Chemosensitivity of Human Cancer Cells. Drug Metab Dispos 2017; 46:2-10. [PMID: 29061583 DOI: 10.1124/dmd.117.078741] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 10/18/2017] [Indexed: 12/28/2022] Open
Abstract
The nuclear factor (erythroid-derived 2)-like 2 (NRF2) is a transcription factor in the regulation of many oxidative enzymes and efflux transporters critical for oxidative stress and cellular defense against xenobiotics. NRF2 is dysregulated in patient osteosarcoma (OS) tissues and correlates with therapeutic outcomes. Nevertheless, research on the NRF2 regulatory pathways and its potential as a therapeutic target is limited to the use of synthetic small interfering RNA (siRNA) carrying extensive artificial modifications. Herein, we report successful high-level expression of recombinant siRNA against NRF2 in Escherichia coli using our newly established noncoding RNA bioengineering technology, which was purified to >99% homogeneity using an anion-exchange fast protein liquid chromatography method. Bioengineered NRF2-siRNA was able to significantly knock down NRF2 mRNA and protein levels in human OS 143B and MG63 cells, and subsequently suppressed the expression of NRF2-regulated oxidative enzymes [heme oxygenase-1 and NAD(P)H:quinone oxidoreductase 1] and elevated intracellular levels of reactive oxygen species. In addition, recombinant NRF2-siRNA was effective to sensitize both 143B and MG63 cells to doxorubicin, cisplatin, and sorafenib, which was associated with significant downregulation of NRF2-targeted ATP-binding cassette (ABC) efflux transporters (ABCC3, ABCC4, and ABCG2). These findings support that targeting NRF2 signaling pathways may improve the sensitivity of cancer cells to chemotherapy, and bioengineered siRNA molecules should be added to current tools for related research.
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Affiliation(s)
- Peng-Cheng Li
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China (P.-C.L., A.-X.Y.) and Department of Biochemistry and Molecular Medicine, Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California (P.-C.L., M.-J.T., P.Y.H., J.L.J., Z.D., Q.-Y.Z., A.-M.Y.)
| | - Mei-Juan Tu
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China (P.-C.L., A.-X.Y.) and Department of Biochemistry and Molecular Medicine, Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California (P.-C.L., M.-J.T., P.Y.H., J.L.J., Z.D., Q.-Y.Z., A.-M.Y.)
| | - Pui Yan Ho
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China (P.-C.L., A.-X.Y.) and Department of Biochemistry and Molecular Medicine, Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California (P.-C.L., M.-J.T., P.Y.H., J.L.J., Z.D., Q.-Y.Z., A.-M.Y.)
| | - Joseph L Jilek
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China (P.-C.L., A.-X.Y.) and Department of Biochemistry and Molecular Medicine, Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California (P.-C.L., M.-J.T., P.Y.H., J.L.J., Z.D., Q.-Y.Z., A.-M.Y.)
| | - Zhijian Duan
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China (P.-C.L., A.-X.Y.) and Department of Biochemistry and Molecular Medicine, Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California (P.-C.L., M.-J.T., P.Y.H., J.L.J., Z.D., Q.-Y.Z., A.-M.Y.)
| | - Qian-Yu Zhang
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China (P.-C.L., A.-X.Y.) and Department of Biochemistry and Molecular Medicine, Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California (P.-C.L., M.-J.T., P.Y.H., J.L.J., Z.D., Q.-Y.Z., A.-M.Y.)
| | - Ai-Xi Yu
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China (P.-C.L., A.-X.Y.) and Department of Biochemistry and Molecular Medicine, Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California (P.-C.L., M.-J.T., P.Y.H., J.L.J., Z.D., Q.-Y.Z., A.-M.Y.)
| | - Ai-Ming Yu
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China (P.-C.L., A.-X.Y.) and Department of Biochemistry and Molecular Medicine, Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California (P.-C.L., M.-J.T., P.Y.H., J.L.J., Z.D., Q.-Y.Z., A.-M.Y.)
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41
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Zhang H, Li H, Liu Y, Li Q, Bi Y, Fang G. Upregulated effects of miR-7 in methicillin-resistant Staphylococcus aureus. Exp Ther Med 2016; 12:3571-3574. [PMID: 28101153 PMCID: PMC5227996 DOI: 10.3892/etm.2016.3805] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 10/03/2016] [Indexed: 12/29/2022] Open
Abstract
The aim of the study was to investigate the characteristic function of the upregulated effects of miR-7 in methicillin-resistant Staphylococcus aureus (MRSA). After separating the MRSA in clinic, the expression of miR-7 mRNA was tested by reverse transcription polymerase chain reaction. The overexpression, inhibition of miR-7, and control group were established by plasmid in vitro. Following transfection of the bacterial strain, the effect of β-lactam antibiotics in minimum inhibitory concentration (MIC) was observed using the microporous dilution method, and antibacterial effects in vitro were observed using the dynamic growth curve method. The expression of miR-7 in sensitive MRSA was upregulated distinctly, with significant difference (P<0.05). MIC and the number of bacteria in the miR-7 overexpression group significantly increased while the inhibition group decreased prominently, with significant difference (P<0.05). The control and null plasmid groups revealed no significant difference. In conclusion, miR-7 upregulated the antimicrobial activity of MRSA, and the intervention of its expression may become a possible antibacterial target.
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Affiliation(s)
- Hong Zhang
- Department of Clinical Laboratory, The Sixth People's Hospital of Jinan, Jinan, Shandong 250200, P.R. China
| | - Haiqing Li
- Department of Nursing, The Sixth People's Hospital of Jinan, Jinan, Shandong 250200, P.R. China
| | - Yan Liu
- Health Management Center, The Sixth People's Hospital of Jinan, Jinan, Shandong 250200, P.R. China
| | - Qingyan Li
- Department of Clinical Laboratory, The Sixth People's Hospital of Jinan, Jinan, Shandong 250200, P.R. China
| | - Yufang Bi
- Operation Room, The Sixth People's Hospital of Jinan, Jinan, Shandong 250200, P.R. China
| | - Guiqing Fang
- Department of Clinical Laboratory, Jinan Stomatological Hospital, Jinan, Shandong 250001, P.R. China
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42
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Addepalli B, Limbach PA. Pseudouridine in the Anticodon of Escherichia coli tRNATyr(QΨA) Is Catalyzed by the Dual Specificity Enzyme RluF. J Biol Chem 2016; 291:22327-22337. [PMID: 27551044 DOI: 10.1074/jbc.m116.747865] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Indexed: 02/02/2023] Open
Abstract
Pseudouridine is found in almost all cellular ribonucleic acids (RNAs). Of the multiple characteristics attributed to pseudouridine, making messenger RNAs (mRNAs) highly translatable and non-immunogenic is one such feature that directly implicates this modification in protein synthesis. We report the existence of pseudouridine in the anticodon of Escherichia coli tyrosine transfer RNAs (tRNAs) at position 35. Pseudouridine was verified by multiple detection methods, which include pseudouridine-specific chemical derivatization and gas phase dissociation of RNA during liquid chromatography tandem mass spectrometry (LC-MS/MS). Analysis of total tRNA isolated from E. coli pseudouridine synthase knock-out mutants identified RluF as the enzyme responsible for this modification. Furthermore, the absence of this modification compromises the translational ability of a luciferase reporter gene coding sequence when it is preceded by multiple tyrosine codons. This effect has implications for the translation of mRNAs that are rich in tyrosine codons in bacterial expression systems.
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Affiliation(s)
- Balasubrahmanyam Addepalli
- From the Department of Chemistry, Rieveschl Laboratories for Mass Spectrometry, University of Cincinnati, Cincinnati, Ohio 45221
| | - Patrick A Limbach
- From the Department of Chemistry, Rieveschl Laboratories for Mass Spectrometry, University of Cincinnati, Cincinnati, Ohio 45221
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43
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Abstract
Non-coding RNAs (ncRNAs) including microRNAs (miRNAs) and small interfering RNAs (siRNAs) are important players in the control of gene regulation and represent novel promising therapeutic targets or agents for the treatment of various diseases. While synthetic ncRNAs are predominately utilized, the effects of excessive artificial modifications on higher-order structures, activities and toxicities of ncRNAs remain uncertain. Inspired by recombinant protein technology allowing large-scale bioengineering of proteins for research and therapy, efforts have been made to develop practical and effective means to bioengineer ncRNA agents. The fermentation-based approaches shall offer biological ncRNA agents with natural modifications and proper folding critical for ncRNA structure, function and safety. In this article, we will summarize current recombinant RNA platforms to the production of ncRNA agents including siRNAs and miRNAs. The applications of bioengineered ncRNA agents for basic research and potential therapeutics are also discussed.
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Affiliation(s)
- Zhijian Duan
- a Department of Biochemistry & Molecular Medicine , Comprehensive Cancer Center, UC Davis School of Medicine , Sacramento , CA , USA
| | - Ai-Ming Yu
- a Department of Biochemistry & Molecular Medicine , Comprehensive Cancer Center, UC Davis School of Medicine , Sacramento , CA , USA
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44
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Genetically engineered pre-microRNA-34a prodrug suppresses orthotopic osteosarcoma xenograft tumor growth via the induction of apoptosis and cell cycle arrest. Sci Rep 2016; 6:26611. [PMID: 27216562 PMCID: PMC4877571 DOI: 10.1038/srep26611] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Accepted: 05/05/2016] [Indexed: 12/26/2022] Open
Abstract
Osteosarcoma (OS) is the most common primary malignant bone tumor in children, and microRNA-34a (miR-34a) replacement therapy represents a new treatment strategy. This study was to define the effectiveness and safety profiles of a novel bioengineered miR-34a prodrug in orthotopic OS xenograft tumor mouse model. Highly purified pre-miR-34a prodrug significantly inhibited the proliferation of human 143B and MG-63 cells in a dose dependent manner and to much greater degrees than controls, which was attributed to induction of apoptosis and G2 cell cycle arrest. Inhibition of OS cell growth and invasion were associated with release of high levels of mature miR-34a from pre-miR-34a prodrug and consequently reduction of protein levels of many miR-34a target genes including SIRT1, BCL2, c-MET, and CDK6. Furthermore, intravenous administration of in vivo-jetPEI formulated miR-34a prodrug significantly reduced OS tumor growth in orthotopic xenograft mouse models. In addition, mouse blood chemistry profiles indicated that therapeutic doses of bioengineered miR-34a prodrug were well tolerated in these animals. The results demonstrated that bioengineered miR-34a prodrug was effective to control OS tumor growth which involved the induction of apoptosis and cell cycle arrest, supporting the development of bioengineered RNAs as a novel class of large molecule therapeutic agents.
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45
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Yu AM, Tian Y, Tu MJ, Ho PY, Jilek JL. MicroRNA Pharmacoepigenetics: Posttranscriptional Regulation Mechanisms behind Variable Drug Disposition and Strategy to Develop More Effective Therapy. Drug Metab Dispos 2016; 44:308-19. [PMID: 26566807 PMCID: PMC4767381 DOI: 10.1124/dmd.115.067470] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 11/12/2015] [Indexed: 12/11/2022] Open
Abstract
Knowledge of drug absorption, distribution, metabolism, and excretion (ADME) or pharmacokinetics properties is essential for drug development and safe use of medicine. Varied or altered ADME may lead to a loss of efficacy or adverse drug effects. Understanding the causes of variations in drug disposition and response has proven critical for the practice of personalized or precision medicine. The rise of noncoding microRNA (miRNA) pharmacoepigenetics and pharmacoepigenomics has come with accumulating evidence supporting the role of miRNAs in the modulation of ADME gene expression and then drug disposition and response. In this article, we review the advances in miRNA pharmacoepigenetics including the mechanistic actions of miRNAs in the modulation of Phase I and II drug-metabolizing enzymes, efflux and uptake transporters, and xenobiotic receptors or transcription factors after briefly introducing the characteristics of miRNA-mediated posttranscriptional gene regulation. Consequently, miRNAs may have significant influence on drug disposition and response. Therefore, research on miRNA pharmacoepigenetics shall not only improve mechanistic understanding of variations in pharmacotherapy but also provide novel insights into developing more effective therapeutic strategies.
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Affiliation(s)
- Ai-Ming Yu
- Department of Biochemistry & Molecular Medicine, University of California Davis School of Medicine, Sacramento, California
| | - Ye Tian
- Department of Biochemistry & Molecular Medicine, University of California Davis School of Medicine, Sacramento, California
| | - Mei-Juan Tu
- Department of Biochemistry & Molecular Medicine, University of California Davis School of Medicine, Sacramento, California
| | - Pui Yan Ho
- Department of Biochemistry & Molecular Medicine, University of California Davis School of Medicine, Sacramento, California
| | - Joseph L Jilek
- Department of Biochemistry & Molecular Medicine, University of California Davis School of Medicine, Sacramento, California
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46
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Ho PY, Yu AM. Bioengineering of noncoding RNAs for research agents and therapeutics. WILEY INTERDISCIPLINARY REVIEWS-RNA 2016; 7:186-97. [PMID: 26763749 DOI: 10.1002/wrna.1324] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Revised: 11/16/2015] [Accepted: 11/17/2015] [Indexed: 12/25/2022]
Abstract
The discovery of functional small noncoding RNAs (ncRNAs), such as microRNAs and small interfering RNAs, in the control of human cellular processes has opened new avenues to develop RNA-based therapies for various diseases including viral infections and cancers. However, studying ncRNA functions and developing RNA-based therapeutics relies on access to large quantities of affordable ncRNA agents. Currently, synthetic RNAs account for the major source of agents for RNA research and development, yet carry artificial modifications on the ribose ring and phosphate backbone in sharp contrast to posttranscriptional modifications present on the nucleobases or unmodified natural RNA molecules produced within cells. Therefore, large efforts have been made in recent years to develop recombinant RNA techniques to cost-effectively produce biological RNA agents that may better capture the structure, function, and safety properties of natural RNAs. In this article, we summarize and compare current in vitro and in vivo methods for the production of RNA agents including chemical synthesis, in vitro transcription, and bioengineering approaches. We highlight the latest recombinant RNA approaches using transfer RNA (tRNA), ribosomal RNA (rRNA), and optimal ncRNA scaffold (OnRS), and discuss the applications of bioengineered ncRNA agents (BERAs) that should facilitate RNA research and development.
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Affiliation(s)
- Pui Yan Ho
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, USA
| | - Ai-Ming Yu
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, Sacramento, CA, USA
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Zhao Y, Tu MJ, Yu YF, Wang WP, Chen QX, Qiu JX, Yu AX, Yu AM. Combination therapy with bioengineered miR-34a prodrug and doxorubicin synergistically suppresses osteosarcoma growth. Biochem Pharmacol 2015; 98:602-13. [PMID: 26518752 PMCID: PMC4725324 DOI: 10.1016/j.bcp.2015.10.015] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Accepted: 10/21/2015] [Indexed: 01/07/2023]
Abstract
Osteosarcoma (OS) is the most common form of primary malignant bone tumor and prevalent among children and young adults. Recently we have established a novel approach to bioengineering large quantity of microRNA-34a (miR-34a) prodrug for miRNA replacement therapy. This study is to evaluate combination treatment with miR-34a prodrug and doxorubicin, which may synergistically suppress human OS cell growth via RNA interference and DNA intercalation. Synergistic effects were indeed obvious between miR-34a prodrug and doxorubicin for the suppression of OS cell proliferation, as defined by Chou-Talalay method. The strongest antiproliferative synergism was achieved when both agents were administered simultaneously to the cells at early stage, which was associated with much greater degrees of late apoptosis, necrosis, and G2 cell cycle arrest. Alteration of OS cellular processes and invasion capacity was linked to the reduction of protein levels of miR-34a targeted (proto-)oncogenes including SIRT1, c-MET, and CDK6. Moreover, orthotopic OS xenograft tumor growth was repressed to a significantly greater degree in mouse models when miR-34a prodrug and doxorubicin were co-administered intravenously. In addition, multiple doses of miR-34a prodrug and doxorubicin had no or minimal effects on mouse blood chemistry profiles. The results demonstrate that combination of doxorubicin chemotherapy and miR-34a replacement therapy produces synergistic antiproliferative effects and it is more effective than monotherapy in suppressing OS xenograft tumor growth. These findings support the development of mechanism-based combination therapy to combat OS and bioengineered miR-34a prodrug represents a new natural miRNA agent.
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Affiliation(s)
- Yong Zhao
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430070, China; Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Mei-Juan Tu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Yi-Feng Yu
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430070, China
| | - Wei-Peng Wang
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Qiu-Xia Chen
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Jing-Xin Qiu
- Department of Pathology, Roswell Park Cancer Institute, Buffalo, NY 14263, USA
| | - Ai-Xi Yu
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430070, China.
| | - Ai-Ming Yu
- Department of Biochemistry & Molecular Medicine, UC Davis School of Medicine, Sacramento, CA 95817, USA.
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48
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Wang WP, Ho PY, Chen QX, Addepalli B, Limbach PA, Li MM, Wu WJ, Jilek JL, Qiu JX, Zhang HJ, Li T, Wun T, White RD, Lam KS, Yu AM. Bioengineering Novel Chimeric microRNA-34a for Prodrug Cancer Therapy: High-Yield Expression and Purification, and Structural and Functional Characterization. J Pharmacol Exp Ther 2015; 354:131-41. [PMID: 26022002 DOI: 10.1124/jpet.115.225631] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Accepted: 05/27/2015] [Indexed: 12/18/2022] Open
Abstract
Development of anticancer treatments based on microRNA (miRNA/miR) such as miR-34a replacement therapy is limited to the use of synthetic RNAs with artificial modifications. Herein, we present a new approach to a high-yield and large-scale biosynthesis, in Escherichia coli using transfer RNA (tRNA) scaffold, of chimeric miR-34a agent, which may act as a prodrug for anticancer therapy. The recombinant tRNA fusion pre-miR-34a (tRNA/mir-34a) was quickly purified to a high degree of homogeneity (>98%) using anion-exchange fast protein liquid chromatography, whose primary sequence and post-transcriptional modifications were directly characterized by mass spectrometric analyses. Chimeric tRNA/mir-34a showed a favorable cellular stability while it was degradable by several ribonucleases. Deep sequencing and quantitative real-time polymerase chain reaction studies revealed that tRNA-carried pre-miR-34a was precisely processed to mature miR-34a within human carcinoma cells, and the same tRNA fragments were produced from tRNA/mir-34a and the control tRNA scaffold (tRNA/MSA). Consequently, tRNA/mir-34a inhibited the proliferation of various types of human carcinoma cells in a dose-dependent manner and to a much greater degree than the control tRNA/MSA, which was mechanistically attributable to the reduction of miR-34a target genes. Furthermore, tRNA/mir-34a significantly suppressed the growth of human non-small-cell lung cancer A549 and hepatocarcinoma HepG2 xenograft tumors in mice, compared with the same dose of tRNA/MSA. In addition, recombinant tRNA/mir-34a had no or minimal effect on blood chemistry and interleukin-6 level in mouse models, suggesting that recombinant RNAs were well tolerated. These findings provoke a conversation on producing biologic miRNAs to perform miRNA actions, and point toward a new direction in developing miRNA-based therapies.
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Affiliation(s)
- Wei-Peng Wang
- Department of Biochemistry and Molecular Medicine (W.-P.W., P.Y.H., Q.-X.C., M.-M.L., W.-J.W., J.L.J., K.S.L., A.-M.Y.), Division of Hematology Oncology (T.L., T.W., K.S.L.) and Department of Urology (R.D.W.), School of Medicine, University of California-Davis, Sacramento, California; Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio (B.A., P.A.L.); Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center of Drug Metabolism and Pharmacokinetics, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China (W.-P.W., H.-J.Z.)
| | - Pui Yan Ho
- Department of Biochemistry and Molecular Medicine (W.-P.W., P.Y.H., Q.-X.C., M.-M.L., W.-J.W., J.L.J., K.S.L., A.-M.Y.), Division of Hematology Oncology (T.L., T.W., K.S.L.) and Department of Urology (R.D.W.), School of Medicine, University of California-Davis, Sacramento, California; Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio (B.A., P.A.L.); Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center of Drug Metabolism and Pharmacokinetics, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China (W.-P.W., H.-J.Z.)
| | - Qiu-Xia Chen
- Department of Biochemistry and Molecular Medicine (W.-P.W., P.Y.H., Q.-X.C., M.-M.L., W.-J.W., J.L.J., K.S.L., A.-M.Y.), Division of Hematology Oncology (T.L., T.W., K.S.L.) and Department of Urology (R.D.W.), School of Medicine, University of California-Davis, Sacramento, California; Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio (B.A., P.A.L.); Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center of Drug Metabolism and Pharmacokinetics, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China (W.-P.W., H.-J.Z.)
| | - Balasubrahmanyam Addepalli
- Department of Biochemistry and Molecular Medicine (W.-P.W., P.Y.H., Q.-X.C., M.-M.L., W.-J.W., J.L.J., K.S.L., A.-M.Y.), Division of Hematology Oncology (T.L., T.W., K.S.L.) and Department of Urology (R.D.W.), School of Medicine, University of California-Davis, Sacramento, California; Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio (B.A., P.A.L.); Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center of Drug Metabolism and Pharmacokinetics, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China (W.-P.W., H.-J.Z.)
| | - Patrick A Limbach
- Department of Biochemistry and Molecular Medicine (W.-P.W., P.Y.H., Q.-X.C., M.-M.L., W.-J.W., J.L.J., K.S.L., A.-M.Y.), Division of Hematology Oncology (T.L., T.W., K.S.L.) and Department of Urology (R.D.W.), School of Medicine, University of California-Davis, Sacramento, California; Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio (B.A., P.A.L.); Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center of Drug Metabolism and Pharmacokinetics, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China (W.-P.W., H.-J.Z.)
| | - Mei-Mei Li
- Department of Biochemistry and Molecular Medicine (W.-P.W., P.Y.H., Q.-X.C., M.-M.L., W.-J.W., J.L.J., K.S.L., A.-M.Y.), Division of Hematology Oncology (T.L., T.W., K.S.L.) and Department of Urology (R.D.W.), School of Medicine, University of California-Davis, Sacramento, California; Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio (B.A., P.A.L.); Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center of Drug Metabolism and Pharmacokinetics, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China (W.-P.W., H.-J.Z.)
| | - Wen-Juan Wu
- Department of Biochemistry and Molecular Medicine (W.-P.W., P.Y.H., Q.-X.C., M.-M.L., W.-J.W., J.L.J., K.S.L., A.-M.Y.), Division of Hematology Oncology (T.L., T.W., K.S.L.) and Department of Urology (R.D.W.), School of Medicine, University of California-Davis, Sacramento, California; Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio (B.A., P.A.L.); Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center of Drug Metabolism and Pharmacokinetics, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China (W.-P.W., H.-J.Z.)
| | - Joseph L Jilek
- Department of Biochemistry and Molecular Medicine (W.-P.W., P.Y.H., Q.-X.C., M.-M.L., W.-J.W., J.L.J., K.S.L., A.-M.Y.), Division of Hematology Oncology (T.L., T.W., K.S.L.) and Department of Urology (R.D.W.), School of Medicine, University of California-Davis, Sacramento, California; Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio (B.A., P.A.L.); Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center of Drug Metabolism and Pharmacokinetics, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China (W.-P.W., H.-J.Z.)
| | - Jing-Xin Qiu
- Department of Biochemistry and Molecular Medicine (W.-P.W., P.Y.H., Q.-X.C., M.-M.L., W.-J.W., J.L.J., K.S.L., A.-M.Y.), Division of Hematology Oncology (T.L., T.W., K.S.L.) and Department of Urology (R.D.W.), School of Medicine, University of California-Davis, Sacramento, California; Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio (B.A., P.A.L.); Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center of Drug Metabolism and Pharmacokinetics, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China (W.-P.W., H.-J.Z.)
| | - Hong-Jian Zhang
- Department of Biochemistry and Molecular Medicine (W.-P.W., P.Y.H., Q.-X.C., M.-M.L., W.-J.W., J.L.J., K.S.L., A.-M.Y.), Division of Hematology Oncology (T.L., T.W., K.S.L.) and Department of Urology (R.D.W.), School of Medicine, University of California-Davis, Sacramento, California; Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio (B.A., P.A.L.); Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center of Drug Metabolism and Pharmacokinetics, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China (W.-P.W., H.-J.Z.)
| | - Tianhong Li
- Department of Biochemistry and Molecular Medicine (W.-P.W., P.Y.H., Q.-X.C., M.-M.L., W.-J.W., J.L.J., K.S.L., A.-M.Y.), Division of Hematology Oncology (T.L., T.W., K.S.L.) and Department of Urology (R.D.W.), School of Medicine, University of California-Davis, Sacramento, California; Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio (B.A., P.A.L.); Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center of Drug Metabolism and Pharmacokinetics, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China (W.-P.W., H.-J.Z.)
| | - Theodore Wun
- Department of Biochemistry and Molecular Medicine (W.-P.W., P.Y.H., Q.-X.C., M.-M.L., W.-J.W., J.L.J., K.S.L., A.-M.Y.), Division of Hematology Oncology (T.L., T.W., K.S.L.) and Department of Urology (R.D.W.), School of Medicine, University of California-Davis, Sacramento, California; Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio (B.A., P.A.L.); Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center of Drug Metabolism and Pharmacokinetics, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China (W.-P.W., H.-J.Z.)
| | - Ralph DeVere White
- Department of Biochemistry and Molecular Medicine (W.-P.W., P.Y.H., Q.-X.C., M.-M.L., W.-J.W., J.L.J., K.S.L., A.-M.Y.), Division of Hematology Oncology (T.L., T.W., K.S.L.) and Department of Urology (R.D.W.), School of Medicine, University of California-Davis, Sacramento, California; Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio (B.A., P.A.L.); Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center of Drug Metabolism and Pharmacokinetics, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China (W.-P.W., H.-J.Z.)
| | - Kit S Lam
- Department of Biochemistry and Molecular Medicine (W.-P.W., P.Y.H., Q.-X.C., M.-M.L., W.-J.W., J.L.J., K.S.L., A.-M.Y.), Division of Hematology Oncology (T.L., T.W., K.S.L.) and Department of Urology (R.D.W.), School of Medicine, University of California-Davis, Sacramento, California; Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio (B.A., P.A.L.); Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center of Drug Metabolism and Pharmacokinetics, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China (W.-P.W., H.-J.Z.)
| | - Ai-Ming Yu
- Department of Biochemistry and Molecular Medicine (W.-P.W., P.Y.H., Q.-X.C., M.-M.L., W.-J.W., J.L.J., K.S.L., A.-M.Y.), Division of Hematology Oncology (T.L., T.W., K.S.L.) and Department of Urology (R.D.W.), School of Medicine, University of California-Davis, Sacramento, California; Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio (B.A., P.A.L.); Department of Pathology, Roswell Park Cancer Institute, Buffalo, New York (J.-X.Q.); and Center of Drug Metabolism and Pharmacokinetics, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China (W.-P.W., H.-J.Z.)
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