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The Interleukin-11/IL-11 Receptor Promotes Glioblastoma Survival and Invasion under Glucose-Starved Conditions through Enhanced Glutaminolysis. Int J Mol Sci 2023; 24:ijms24043356. [PMID: 36834778 PMCID: PMC9960532 DOI: 10.3390/ijms24043356] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/31/2023] [Accepted: 02/01/2023] [Indexed: 02/10/2023] Open
Abstract
Glioblastoma cells adapt to changes in glucose availability through metabolic plasticity allowing for cell survival and continued progression in low-glucose concentrations. However, the regulatory cytokine networks that govern the ability to survive in glucose-starved conditions are not fully defined. In the present study, we define a critical role for the IL-11/IL-11Rα signalling axis in glioblastoma survival, proliferation and invasion when cells are starved of glucose. We identified enhanced IL-11/IL-11Rα expression correlated with reduced overall survival in glioblastoma patients. Glioblastoma cell lines over-expressing IL-11Rα displayed greater survival, proliferation, migration and invasion in glucose-free conditions compared to their low-IL-11Rα-expressing counterparts, while knockdown of IL-11Rα reversed these pro-tumorigenic characteristics. In addition, these IL-11Rα-over-expressing cells displayed enhanced glutamine oxidation and glutamate production compared to their low-IL-11Rα-expressing counterparts, while knockdown of IL-11Rα or the pharmacological inhibition of several members of the glutaminolysis pathway resulted in reduced survival (enhanced apoptosis) and reduced migration and invasion. Furthermore, IL-11Rα expression in glioblastoma patient samples correlated with enhanced gene expression of the glutaminolysis pathway genes GLUD1, GSS and c-Myc. Overall, our study identified that the IL-11/IL-11Rα pathway promotes glioblastoma cell survival and enhances cell migration and invasion in environments of glucose starvation via glutaminolysis.
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Li J, Gao R, Zhang J. USP22 Contributes to Chemoresistance, Stemness, and EMT Phenotype of Triple-Negative Breast Cancer Cells by egulating the Warburg Effect via c-Myc Deubiquitination. Clin Breast Cancer 2023; 23:162-175. [PMID: 36528490 DOI: 10.1016/j.clbc.2022.11.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 11/07/2022] [Accepted: 11/22/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Ubiquitin-specific protease 22 (USP22) has been implicated in the progression of breast cancer, while its regulatory functions in triple-negative breast cancer (TNBC) have been rarely reported. This study aimed to elucidate the effect and mechanism of USP22 on the malignant phenotype of TNBC cells. MATERIALS AND METHODS The expression of USP22, stemness genes, and EMT-related markers were analyzed by RT-qPCR and/or Western blotting. Cell stemness was determined by cell spheroid formation, flow cytometry for CD44+/CD24-, and extreme limiting dilution analysis. Cell proliferation and cisplatin (DDP) chemoresistance of TNBC cells were assessed by CCK-8 assay and xenograft model. Glycolysis was measured by Seahorse assay. The mechanism underlying the role of USP22 was explored by Co-immunoprecipitation, ubiquitination assay, and cycloheximide-chase analysis. RESULTS USP22 expression was positively correlated with DDP resistance in TNBC patients and cells. The proliferation, spheroid number, CD44+/CD24- cells, the expression of stemness genes and EMT-related markers in TNBC cells were significantly elevated after USP22 was overexpressed; however, these parameters in DDP-resistant TNBC (TNBC/DDP) cells were significantly reduced after silencing USP22. USP22 overexpression enhanced the extracellular acidification rate, proliferation, spheroid number, CD44+/CD24- cell number, and the expression of stemness genes and EMT-related markers in TNBC/DDP cells, while these effects were restrained by glycolysis inhibitors. Mechanically, USP22 interacted with c-Myc to promote its stabilization by deubiquitination in TNBC cells. Silencing of USP22 increased DDP sensitivity and survival of mice bearing TNBC. CONCLUSION USP22 contributes to chemoresistance, stemness, and EMT phenotype of TNBC cells by suppressing the glycolysis via c-Myc deubiquitination.
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Affiliation(s)
- Jie Li
- Department of General Surgery, Shanxi Provincial People's Hospital, Taiyuan, China.
| | - Runfang Gao
- Department of General Surgery, Shanxi Provincial People's Hospital, Taiyuan, China
| | - Jing Zhang
- Department of General Surgery, Shanxi Provincial People's Hospital, Taiyuan, China
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Park JH, Myung JK, Lee SJ, Kim H, Kim S, Lee SB, Jang H, Jang WI, Park S, Yang H, Shim S, Kim MJ. ABCA1-Mediated EMT Promotes Papillary Thyroid Cancer Malignancy through the ERK/Fra-1/ZEB1 Pathway. Cells 2023; 12:cells12020274. [PMID: 36672209 PMCID: PMC9857273 DOI: 10.3390/cells12020274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 12/29/2022] [Accepted: 01/07/2023] [Indexed: 01/12/2023] Open
Abstract
Papillary thyroid cancer (PTC) is the most prevalent histological type of thyroid cancer (TC) worldwide. Although tumor metastasis occurs in regional lymph nodes, distant metastasis (DM) may also occur. Radioactive iodine (RAI) therapy is an effective treatment for TC; however, resistance to RAI occurs in patients with DM. Therefore, in this study, we investigated the efficacy of DM-related biomarkers as therapeutic targets for PTC therapy. ABCA1 expression was higher in aggressive BCPAP cells than in other PTC cells in terms of migration and invasion capacity. The knockdown of ABCA1 substantially decreased the expression of the epithelial-mesenchymal transition (EMT) marker, N-cadherin, and EMT regulator (ZEB1), resulting in suppressed migration and invasion of BCPAP cells. ABCA1 knockdown also reduced ERK activity and Fra-1 expression, which correlated with the effects of an ERK inhibitor or siRNA-mediated inhibition of ERK or Fra-1 expression. Furthermore, ABCA1-knocked-down BCPAP cells suppressed cell migration and invasion by reducing Fra-1 recruitment to Zeb1 promoter; lung metastasis was not observed in mice injected with ABCA1-knocked-down cells. Overall, our findings suggest that ABCA1 regulates lung metastasis in TC cells.
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Affiliation(s)
- Ji-Hye Park
- Laboratory of Radiation Exposure & Therapeutics, National Radiation Emergency Medical Center, Korea Institute of Radiological & Medical Science, Seoul 01812, Republic of Korea
- OPTOLANE Technologies Inc., Seongnam 13494, Republic of Korea
| | - Jae-Kyung Myung
- Laboratory of Radiation Exposure & Therapeutics, National Radiation Emergency Medical Center, Korea Institute of Radiological & Medical Science, Seoul 01812, Republic of Korea
- Department of Pathology, College of Medicine, Hanyang University, Seoul 01812, Republic of Korea
| | - Sun-Joo Lee
- Laboratory of Experimental Pathology, Departments of Pathology, Korea Institute of Radiological & Medical Science, Seoul 01812, Republic of Korea
| | - Hyewon Kim
- Laboratory of Experimental Pathology, Departments of Pathology, Korea Institute of Radiological & Medical Science, Seoul 01812, Republic of Korea
| | - Soyeon Kim
- Laboratory of Radiation Exposure & Therapeutics, National Radiation Emergency Medical Center, Korea Institute of Radiological & Medical Science, Seoul 01812, Republic of Korea
| | - Seung-Bum Lee
- Laboratory of Radiation Exposure & Therapeutics, National Radiation Emergency Medical Center, Korea Institute of Radiological & Medical Science, Seoul 01812, Republic of Korea
| | - Hyosun Jang
- Laboratory of Radiation Exposure & Therapeutics, National Radiation Emergency Medical Center, Korea Institute of Radiological & Medical Science, Seoul 01812, Republic of Korea
| | - Won-Il Jang
- Laboratory of Radiation Exposure & Therapeutics, National Radiation Emergency Medical Center, Korea Institute of Radiological & Medical Science, Seoul 01812, Republic of Korea
- Laboratory of Experimental Pathology, Departments of Pathology, Korea Institute of Radiological & Medical Science, Seoul 01812, Republic of Korea
| | - Sunhoo Park
- Laboratory of Radiation Exposure & Therapeutics, National Radiation Emergency Medical Center, Korea Institute of Radiological & Medical Science, Seoul 01812, Republic of Korea
- Laboratory of Experimental Pathology, Departments of Pathology, Korea Institute of Radiological & Medical Science, Seoul 01812, Republic of Korea
| | - Hyunwon Yang
- Biohealth Convergence, Seoul Women’s University, Seoul 01812, Republic of Korea
| | - Sehwan Shim
- Laboratory of Radiation Exposure & Therapeutics, National Radiation Emergency Medical Center, Korea Institute of Radiological & Medical Science, Seoul 01812, Republic of Korea
- Correspondence: (S.S.); (M.-J.K.); Tel.: +82-2-3399-5875 (S.S.); Fax: +82-2-3399-5870 (S.S.)
| | - Min-Jung Kim
- Laboratory of Radiation Exposure & Therapeutics, National Radiation Emergency Medical Center, Korea Institute of Radiological & Medical Science, Seoul 01812, Republic of Korea
- Correspondence: (S.S.); (M.-J.K.); Tel.: +82-2-3399-5875 (S.S.); Fax: +82-2-3399-5870 (S.S.)
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Abstract
C-Myc overexpression is a common finding in pancreatic cancer and predicts the aggressive behavior of cancer cells. It binds to the promoter of different genes, thereby regulating their transcription. C-Myc is downstream of KRAS and interacts with several oncogenic and proliferative pathways in pancreatic cancer. C-Myc enhances aerobic glycolysis in cancer cells and regulates glutamate biosynthesis from glutamine. It provides enough energy for cancer cells' metabolism and sufficient substrate for the synthesis of organic molecules. C-Myc overexpression is associated with chemoresistance, intra-tumor angiogenesis, epithelial-mesenchymal transition (EMT), and metastasis in pancreatic cancer. Despite its title, c-Myc is not "undruggable" and recent studies unveiled that it can be targeted, directly or indirectly. Small molecules that accelerate c-Myc ubiquitination and degradation have been effective in preclinical studies. Small molecules that hinder c-Myc-MAX heterodimerization or c-Myc/MAX/DNA complex formation can functionally inhibit c-Myc. In addition, c-Myc can be targeted through transcriptional, post-transcriptional, and translational modifications.
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Affiliation(s)
- Moein Ala
- School of Medicine, Tehran University of Medical Sciences (TUMS), Tehran, Iran
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Singh A, Rajeevan A, Gopalan V, Agrawal P, Day CP, Hannenhalli S. Broad misappropriation of developmental splicing profile by cancer in multiple organs. Nat Commun 2022; 13:7664. [PMID: 36509773 PMCID: PMC9744839 DOI: 10.1038/s41467-022-35322-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 11/29/2022] [Indexed: 12/14/2022] Open
Abstract
Oncogenesis mimics key aspects of embryonic development. However, the underlying mechanisms are incompletely understood. Here, we demonstrate that the splicing events specifically active during human organogenesis, are broadly reactivated in the organ-specific tumor. Such events are associated with key oncogenic processes and predict proliferation rates in cancer cell lines as well as patient survival. Such events preferentially target nitrosylation and transmembrane-region domains, whose coordinated splicing in multiple genes respectively affect intracellular transport and N-linked glycosylation. We infer critical splicing factors potentially regulating embryonic splicing events and show that such factors are potential oncogenic drivers and are upregulated specifically in malignant cells. Multiple complementary analyses point to MYC and FOXM1 as potential transcriptional regulators of critical splicing factors in brain and liver. Our study provides a comprehensive demonstration of a splicing-mediated link between development and cancer, and suggest anti-cancer targets including splicing events, and their upstream splicing and transcriptional regulators.
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Affiliation(s)
- Arashdeep Singh
- Cancer Data Science Laboratory, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
| | - Arati Rajeevan
- Cancer Data Science Laboratory, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Vishaka Gopalan
- Cancer Data Science Laboratory, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Piyush Agrawal
- Cancer Data Science Laboratory, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Chi-Ping Day
- Laboratory of Cancer Biology and Genetics National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Sridhar Hannenhalli
- Cancer Data Science Laboratory, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
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Engelbrecht E, Kooistra T, Knipe RS. The Vasculature in Pulmonary Fibrosis. CURRENT TISSUE MICROENVIRONMENT REPORTS 2022; 3:83-97. [PMID: 36712832 PMCID: PMC9881604 DOI: 10.1007/s43152-022-00040-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/23/2022] [Indexed: 02/02/2023]
Abstract
Purpose of Review The current paradigm of idiopathic pulmonary fibrosis (IPF) pathogenesis involves recurrent injury to a sensitive alveolar epithelium followed by impaired repair responses marked by fibroblast activation and deposition of extracellular matrix. Multiple cell types are involved in this response with potential roles suggested by advances in single-cell RNA sequencing and lung developmental biology. Notably, recent work has better characterized the cell types present in the pulmonary endothelium and identified vascular changes in patients with IPF. Recent Findings Lung tissue from patients with IPF has been examined at single-cell resolution, revealing reductions in lung capillary cells and expansion of a population of vascular cells expressing markers associated with bronchial endothelium. In addition, pre-clinical models have demonstrated a fundamental role for aging and vascular permeability in the development of pulmonary fibrosis. Summary Mounting evidence suggests that the endothelium undergoes changes in the context of fibrosis, and these changes may contribute to the development and/or progression of pulmonary fibrosis. Additional studies will be needed to further define the functional role of these vascular changes.
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Affiliation(s)
| | - Tristan Kooistra
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Rachel S. Knipe
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
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57
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Ginsenosides in cancer: A focus on the regulation of cell metabolism. Biomed Pharmacother 2022; 156:113756. [DOI: 10.1016/j.biopha.2022.113756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/17/2022] [Accepted: 09/26/2022] [Indexed: 11/23/2022] Open
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Johnson LT, Zhang D, Zhou K, Lee SM, Liu S, Dilliard SA, Farbiak L, Chatterjee S, Lin YH, Siegwart DJ. Lipid Nanoparticle (LNP) Chemistry Can Endow Unique In Vivo RNA Delivery Fates within the Liver That Alter Therapeutic Outcomes in a Cancer Model. Mol Pharm 2022; 19:3973-3986. [PMID: 36154076 PMCID: PMC9888001 DOI: 10.1021/acs.molpharmaceut.2c00442] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Within the field of lipid nanoparticles (LNPs) for RNA delivery, the focus has been mainly placed on organ level delivery, which can mask cellular level effects consequential to therapeutic applications. Here, we studied a pair of LNPs with similar physical properties and discovered how the chemistry of the ionizable amino lipid can control the endogenous LNP identity, affecting cellular uptake in the liver and altering therapeutic outcomes in a model of liver cancer. Although most LNPs accumulate in the liver after intravenous administration (suggesting that liver delivery is straightforward), we observed an unexpected behavior when comparing two similar LNP formulations (5A2-SC8 and 3A5-SC14 LNPs) that resulted in distinct RNA delivery within the organ. Despite both LNPs possessing similar physical properties, ability to silence gene expression in vitro, strong accumulation within the liver, and a shared pKa of 6.5, only 5A2-SC8 LNPs were able to functionally deliver RNA to hepatocytes. Factor VII (FVII) activity was reduced by 87%, with 5A2-SC8 LNPs carrying FVII siRNA (siFVII), while 3A5-SC14 LNPs carrying siFVII produced baseline FVII activity levels comparable to the nontreatment control at a dosage of 0.5 mg/kg. Protein corona analysis indicated that 5A2-SC8 LNPs bind apolipoprotein E (ApoE), which can drive LDL-R receptor-mediated endocytosis in hepatocytes. In contrast, the surface of 3A5-SC14 LNPs was enriched in albumin but depleted in ApoE, which likely led to Kupffer cell delivery and detargeting of hepatocytes. In an aggressive MYC-driven liver cancer model relevant to hepatocytes, 5A2-SC8 LNPs carrying let-7g miRNA were able to significantly extend survival up to 121 days. Since disease targets exist in an organ- and cell-specific manner, the clinical development of RNA LNP therapeutics will require an improved understanding of LNP cellular tropism within organs. The results from our work illustrate the importance of understanding the cellular localization of RNA delivery and incorporating further checkpoints when choosing nanoparticles beyond biochemical and physical characterization, as small changes in the chemical composition of LNPs can have an impact on both the biofate of LNPs and therapeutic outcomes.
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Affiliation(s)
- Lindsay T Johnson
- Department of Biochemistry, Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas 75390, Texas, United States
| | - Di Zhang
- Department of Biochemistry, Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas 75390, Texas, United States
| | - Kejin Zhou
- Department of Biochemistry, Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas 75390, Texas, United States
| | - Sang M Lee
- Department of Biochemistry, Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas 75390, Texas, United States
| | - Shuai Liu
- Department of Biochemistry, Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas 75390, Texas, United States
| | - Sean A Dilliard
- Department of Biochemistry, Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas 75390, Texas, United States
| | - Lukas Farbiak
- Department of Biochemistry, Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas 75390, Texas, United States
| | - Sumanta Chatterjee
- Department of Biochemistry, Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas 75390, Texas, United States
| | - Yu-Hsuan Lin
- Children's Research Institute, Departments of Pediatrics and Internal Medicine, Center for Regenerative Science and Medicine, Children's Research Institute Mouse Genome Engineering Core, The University of Texas Southwestern Medical Center, Dallas 75390, Texas, United States
| | - Daniel J Siegwart
- Department of Biochemistry, Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas 75390, Texas, United States
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Mitchelson KAJ, Tran TTT, Dillon ET, Vlckova K, Harrison SM, Ntemiri A, Cunningham K, Gibson I, Finucane FM, O'Connor EM, Roche HM, O'Toole PW. Yeast β-Glucan Improves Insulin Sensitivity and Hepatic Lipid Metabolism in Mice Humanized with Obese Type 2 Diabetic Gut Microbiota. Mol Nutr Food Res 2022; 66:e2100819. [PMID: 36038526 PMCID: PMC9787509 DOI: 10.1002/mnfr.202100819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Indexed: 12/30/2022]
Abstract
SCOPE Gut microbiota alterations are associated with obesity and type 2 diabetes. Yeast β-glucans are potential modulators of the innate immune-metabolic response, by impacting glucose, lipid, and cholesterol homeostasis. The study examines whether yeast β-glucan interacts differentially with either an obese healthy or obese diabetic gut microbiome, to impact metabolic health through hepatic effects under high-fat dietary challenge. METHODS AND RESULTS Male C57BL/6J mice are pre-inoculated with gut microbiota from obese healthy (OBH) or obese type 2 diabetic (OBD) subjects, in conjunction with a high-fat diet (HFD) with/without yeast β-glucan. OBD microbiome colonization adversely impacts metabolic health compared to OBH microbiome engraftment. OBD mice are more insulin resistant and display hepatic lipotoxicity compared to weight matched OBH mice. Yeast β-glucan supplementation resolves this adverse metabolic phenotype, coincident with increasing the abundance of health-related bacterial taxa. Hepatic proteomics demonstrates that OBD microbiome transplantation increases HFD-induced hepatic mitochondrial dysfunction, disrupts oxidative phosphorylation, and reduces protein synthesis, which are partly reverted by yeast β-glucan supplementation. CONCLUSIONS Hepatic metabolism is adversely affected by OBD microbiome colonization with high-fat feeding, but partially resolved by yeast β-glucan. More targeted dietary interventions that encompass the interactions between diet, gut microbiota, and host metabolism may have greater treatment efficacy.
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Affiliation(s)
- Kathleen A. J. Mitchelson
- Nutrigenomics Research Group and Institute of Food and HealthUniversity College DublinDublinDublin 4Republic of Ireland
| | - Tam T. T. Tran
- APC Microbiome IrelandUniversity College CorkCorkT12 K8AFRepublic of Ireland
- School of MicrobiologyUniversity College CorkCorkT12 K8AFRepublic of Ireland
- Present address:
Vietnam Academy of Science and TechnologyUniversity of Science and Technology of HanoiHanoiVietnam
| | - Eugene T. Dillon
- Mass Spectrometry ResourceConway Institute of Biomolecular & Biomedical ResearchUniversity College DublinDublinDublin 4Republic of Ireland
| | - Klara Vlckova
- APC Microbiome IrelandUniversity College CorkCorkT12 K8AFRepublic of Ireland
- School of MicrobiologyUniversity College CorkCorkT12 K8AFRepublic of Ireland
| | - Sabine M. Harrison
- UCD School of Agriculture & Food ScienceUniversity College DublinDublinDublin 4Republic of Ireland
| | - Alexandra Ntemiri
- APC Microbiome IrelandUniversity College CorkCorkT12 K8AFRepublic of Ireland
- School of MicrobiologyUniversity College CorkCorkT12 K8AFRepublic of Ireland
| | - Katie Cunningham
- Bariatric Medicine ServiceCentre for Diabetes, Endocrinology and MetabolismGalway University HospitalsGalwayH91 YR71Republic of Ireland
- Heart and Stroke CentreCroiThe West of Ireland Cardiac FoundationMoyola Lane, NewcastleGalwayGalwayH91 FF68Republic of Ireland
| | - Irene Gibson
- Heart and Stroke CentreCroiThe West of Ireland Cardiac FoundationMoyola Lane, NewcastleGalwayGalwayH91 FF68Republic of Ireland
| | - Francis M. Finucane
- Bariatric Medicine ServiceCentre for Diabetes, Endocrinology and MetabolismGalway University HospitalsGalwayH91 YR71Republic of Ireland
- HRB Clinical Research FacilityNational University of IrelandGalwayH91 TK33Republic of Ireland
| | - Eibhlís M. O'Connor
- APC Microbiome IrelandUniversity College CorkCorkT12 K8AFRepublic of Ireland
- Department of Biological SciencesSchool of Natural SciencesUniversity of LimerickLimerickV94 T9PXRepublic of Ireland
- Health Research InstituteUniversity of LimerickLimerickV94 T9PXRepublic of Ireland
| | - Helen M. Roche
- Nutrigenomics Research Group and Institute of Food and HealthUniversity College DublinDublinDublin 4Republic of Ireland
- Diabetes Complications Research CentreUniversity College DublinDublinDublin 4Republic of Ireland
- The Institute for Global Food SecuritySchool of Biological SciencesQueen's University BelfastBelfastBT9 5DLUK
| | - Paul W. O'Toole
- APC Microbiome IrelandUniversity College CorkCorkT12 K8AFRepublic of Ireland
- School of MicrobiologyUniversity College CorkCorkT12 K8AFRepublic of Ireland
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Choi SYC, Ribeiro CF, Wang Y, Loda M, Plymate SR, Uo T. Druggable Metabolic Vulnerabilities Are Exposed and Masked during Progression to Castration Resistant Prostate Cancer. Biomolecules 2022; 12:1590. [PMID: 36358940 PMCID: PMC9687810 DOI: 10.3390/biom12111590] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 10/26/2022] [Accepted: 10/27/2022] [Indexed: 08/27/2023] Open
Abstract
There is an urgent need for exploring new actionable targets other than androgen receptor to improve outcome from lethal castration-resistant prostate cancer. Tumor metabolism has reemerged as a hallmark of cancer that drives and supports oncogenesis. In this regard, it is important to understand the relationship between distinctive metabolic features, androgen receptor signaling, genetic drivers in prostate cancer, and the tumor microenvironment (symbiotic and competitive metabolic interactions) to identify metabolic vulnerabilities. We explore the links between metabolism and gene regulation, and thus the unique metabolic signatures that define the malignant phenotypes at given stages of prostate tumor progression. We also provide an overview of current metabolism-based pharmacological strategies to be developed or repurposed for metabolism-based therapeutics for castration-resistant prostate cancer.
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Affiliation(s)
- Stephen Y. C. Choi
- Vancouver Prostate Centre, Vancouver, BC V6H 3Z6, Canada
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Vancouver, BC V5Z 1M9, Canada
- Department of Experimental Therapeutics, BC Cancer Agency, Vancouver, BC V5Z 1L3, Canada
| | - Caroline Fidalgo Ribeiro
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York-Presbyterian Hospital, New York, NY 10021, USA
| | - Yuzhuo Wang
- Vancouver Prostate Centre, Vancouver, BC V6H 3Z6, Canada
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Vancouver, BC V5Z 1M9, Canada
- Department of Experimental Therapeutics, BC Cancer Agency, Vancouver, BC V5Z 1L3, Canada
| | - Massimo Loda
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York-Presbyterian Hospital, New York, NY 10021, USA
- New York Genome Center, New York, NY 10013, USA
| | - Stephen R. Plymate
- Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington, 850 Republican St., Seattle, WA 98109, USA
- Geriatrics Research Education and Clinical Center, VA Puget Sound Health Care System, Seattle, WA 98108, USA
| | - Takuma Uo
- Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington, 850 Republican St., Seattle, WA 98109, USA
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Synthesis and biological evaluation of a novel c-Myc inhibitor against colorectal cancer via blocking c-Myc/Max heterodimerization and disturbing its DNA binding. Eur J Med Chem 2022; 243:114779. [DOI: 10.1016/j.ejmech.2022.114779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 09/05/2022] [Accepted: 09/13/2022] [Indexed: 11/23/2022]
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Guo L, Yan T, Guo W, Niu J, Wang W, Ren T, Huang Y, Xu J, Wang B. Molecular subtypes of osteosarcoma classified by cancer stem cell related genes define immunological cell infiltration and patient survival. Front Immunol 2022; 13:986785. [PMID: 36059448 PMCID: PMC9437352 DOI: 10.3389/fimmu.2022.986785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 08/03/2022] [Indexed: 11/13/2022] Open
Abstract
Recent studies have shown that tumor stemness has biological significance in tumorigenicity and tumor progression. However, the characteristics of TME immune infiltration in osteosarcoma mediated by the combined effects of multiple cancer stem cell-related genes remain unknown.MethodsIn this study, we identified different cancer stem cell-associated subtypes in osteosarcoma based on 25 cancer stem cell-associated genes by consensus clustering analysis, and we comprehensively evaluated the association between these subtypes and immunocytes infiltration in the TME. The cancer stem cell (CSC) score was constructed to quantify the stemness of individual tumors.ResultsWe performed a comprehensive evaluation of 218 osteosarcoma patients based on 25 cancer stem cell-related genes. Three different cancer stem cells related subtypes were identified, which were related to different biological processes and clinical outcomes. The three subtypes have different TME cells infiltrating characteristics, and CSC Cluster A had a higher level of immunocyte infiltration compared to CSC Cluster B and C. We constructed a scoring system, called the CSC score, to assess the stemness of individual patients. Then we found that the prognosis of patients was predicted by CSC score, and patients with low CSC score had prolonged survival. Further analyses showed that low CSC score was correlated with enhanced immune infiltration. CSC score may predict the effect of immunotherapy, and patients with low CSC score may have better immune response and clinical prognosis.ConclusionsThis study demonstrates that there could be three cancer stem cell-associated subtypes in osteosarcoma and that they were associated with different patient prognosis and TME immune infiltration characteristics. CSC score could be used to assess the stemness of individual patients, improve our comprehension of TME characteristics, and direct more effective immune therapy.
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Affiliation(s)
- Lei Guo
- Musculoskeletal Tumor Center, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory of Musculoskeletal Tumor, Beijing, China
| | - Taiqiang Yan
- Musculoskeletal Tumor Center, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory of Musculoskeletal Tumor, Beijing, China
- *Correspondence: Taiqiang Yan,
| | - Wei Guo
- Musculoskeletal Tumor Center, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory of Musculoskeletal Tumor, Beijing, China
| | - Jianfang Niu
- Musculoskeletal Tumor Center, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory of Musculoskeletal Tumor, Beijing, China
| | - Wei Wang
- Musculoskeletal Tumor Center, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory of Musculoskeletal Tumor, Beijing, China
| | - Tingting Ren
- Musculoskeletal Tumor Center, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory of Musculoskeletal Tumor, Beijing, China
| | - Yi Huang
- Musculoskeletal Tumor Center, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory of Musculoskeletal Tumor, Beijing, China
| | - Jiuhui Xu
- Musculoskeletal Tumor Center, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory of Musculoskeletal Tumor, Beijing, China
| | - Boyang Wang
- Musculoskeletal Tumor Center, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory of Musculoskeletal Tumor, Beijing, China
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Chan YY, Chan MC. Pharmacological Activation of the HIF Pathway Exerts Distinct Proliferative Effects in MDA‐MB‐231 and MCF7 cells**. ChemistrySelect 2022. [DOI: 10.1002/slct.202200698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yan Ying Chan
- Department of Molecular Medicine Faculty of Medicine Universiti Malaya 50603 Kuala Lumpur Malaysia
| | - Mun Chiang Chan
- Department of Molecular Medicine Faculty of Medicine Universiti Malaya 50603 Kuala Lumpur Malaysia
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Grieb BC, Eischen CM. MTBP and MYC: A Dynamic Duo in Proliferation, Cancer, and Aging. BIOLOGY 2022; 11:881. [PMID: 35741402 PMCID: PMC9219613 DOI: 10.3390/biology11060881] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 05/29/2022] [Accepted: 06/02/2022] [Indexed: 12/21/2022]
Abstract
The oncogenic transcription factor c-MYC (MYC) is highly conserved across species and is frequently overexpressed or dysregulated in human cancers. MYC regulates a wide range of critical cellular and oncogenic activities including proliferation, metabolism, metastasis, apoptosis, and differentiation by transcriptionally activating or repressing the expression of a large number of genes. This activity of MYC is not carried out in isolation, instead relying on its association with a myriad of protein cofactors. We determined that MDM Two Binding Protein (MTBP) indirectly binds MYC and is a novel MYC transcriptional cofactor. MTBP promotes MYC-mediated transcriptional activity, proliferation, and cellular transformation by binding in a protein complex with MYC at MYC-bound promoters. This discovery provided critical context for data linking MTBP to aging as well as a rapidly expanding body of evidence demonstrating MTBP is overexpressed in many human malignancies, is often linked to poor patient outcomes, and is necessary for cancer cell survival. As such, MTBP represents a novel and potentially broad reaching oncologic drug target, particularly when MYC is dysregulated. Here we have reviewed the discovery of MTBP and the initial controversy with its function as well as its associations with proliferation, MYC, DNA replication, aging, and human cancer.
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Affiliation(s)
- Brian C. Grieb
- Vanderbilt-Ingram Cancer Center, Division of Hematology/Oncology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA;
- Department of Cell & Developmental Biology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
| | - Christine M. Eischen
- Department of Cancer Biology and the Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA 19107, USA
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Terakawa A, Hu Y, Kokaji T, Yugi K, Morita K, Ohno S, Pan Y, Bai Y, Parkhitko AA, Ni X, Asara JM, Bulyk ML, Perrimon N, Kuroda S. Trans-omics analysis of insulin action reveals a cell growth subnetwork which co-regulates anabolic processes. iScience 2022; 25:104231. [PMID: 35494245 PMCID: PMC9044165 DOI: 10.1016/j.isci.2022.104231] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 03/09/2022] [Accepted: 04/06/2022] [Indexed: 12/16/2022] Open
Abstract
Insulin signaling promotes anabolic metabolism to regulate cell growth through multi-omic interactions. To obtain a comprehensive view of the cellular responses to insulin, we constructed a trans-omic network of insulin action in Drosophila cells that involves the integration of multi-omic data sets. In this network, 14 transcription factors, including Myc, coordinately upregulate the gene expression of anabolic processes such as nucleotide synthesis, transcription, and translation, consistent with decreases in metabolites such as nucleotide triphosphates and proteinogenic amino acids required for transcription and translation. Next, as cell growth is required for cell proliferation and insulin can stimulate proliferation in a context-dependent manner, we integrated the trans-omic network with results from a CRISPR functional screen for cell proliferation. This analysis validates the role of a Myc-mediated subnetwork that coordinates the activation of genes involved in anabolic processes required for cell growth. A trans-omic network of insulin action in Drosophila cells was constructed Insulin co-regulates various anabolic processes in a time-dependent manner The trans-omic network and a CRISPR screen for cell proliferation were integrated A Myc-mediated subnetwork promoting anabolic processes is required for cell growth
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Affiliation(s)
- Akira Terakawa
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Yanhui Hu
- Department of Genetics, Blavatnik Institute, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA 02115, USA
- Drosophila RNAi Screening Center, Department of Genetics, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA 02115, USA
| | - Toshiya Kokaji
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- Data Science Center, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara, Japan
| | - Katsuyuki Yugi
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- Laboratory for Integrated Cellular Systems, RIKEN Center for Integrative Medical Sciences, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
- Institute for Advanced Biosciences, Keio University, Fujisawa, 252-8520, Japan
| | - Keigo Morita
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Satoshi Ohno
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- Molecular Genetics Research Laboratory, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
| | - Yifei Pan
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8562, Japan
| | - Yunfan Bai
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8562, Japan
| | - Andrey A. Parkhitko
- Department of Genetics, Blavatnik Institute, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA 02115, USA
- Aging Institute of UPMC and the University of Pittsburgh, Pittsburgh, PA, USA
| | - Xiaochun Ni
- Department of Genetics, Blavatnik Institute, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA 02115, USA
- Division of Genetics, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - John M. Asara
- Division of Signal Transduction, Beth Israel Deaconess Medical Center, Boston, MA 02115, USA
- Department of Medicine, Harvard Medical School, Boston, MA 02175, USA
| | - Martha L. Bulyk
- Division of Genetics, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA 02115, USA
- Department of Pathology, Brigham & Women’s Hospital and Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA 02115, USA
| | - Norbert Perrimon
- Department of Genetics, Blavatnik Institute, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA 02115, USA
- Howard Hughes Medical Institute, 77 Avenue Louis Pasteur, Boston, MA 02115, USA
- Corresponding author
| | - Shinya Kuroda
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- Molecular Genetics Research Laboratory, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8562, Japan
- Corresponding author
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Qiu X, Boufaied N, Hallal T, Feit A, de Polo A, Luoma AM, Alahmadi W, Larocque J, Zadra G, Xie Y, Gu S, Tang Q, Zhang Y, Syamala S, Seo JH, Bell C, O'Connor E, Liu Y, Schaeffer EM, Jeffrey Karnes R, Weinmann S, Davicioni E, Morrissey C, Cejas P, Ellis L, Loda M, Wucherpfennig KW, Pomerantz MM, Spratt DE, Corey E, Freedman ML, Shirley Liu X, Brown M, Long HW, Labbé DP. MYC drives aggressive prostate cancer by disrupting transcriptional pause release at androgen receptor targets. Nat Commun 2022; 13:2559. [PMID: 35562350 PMCID: PMC9106722 DOI: 10.1038/s41467-022-30257-z] [Citation(s) in RCA: 51] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 04/22/2022] [Indexed: 12/30/2022] Open
Abstract
c-MYC (MYC) is a major driver of prostate cancer tumorigenesis and progression. Although MYC is overexpressed in both early and metastatic disease and associated with poor survival, its impact on prostate transcriptional reprogramming remains elusive. We demonstrate that MYC overexpression significantly diminishes the androgen receptor (AR) transcriptional program (the set of genes directly targeted by the AR protein) in luminal prostate cells without altering AR expression. Analyses of clinical specimens reveal that concurrent low AR and high MYC transcriptional programs accelerate prostate cancer progression toward a metastatic, castration-resistant disease. Data integration of single-cell transcriptomics together with ChIP-seq uncover an increase in RNA polymerase II (Pol II) promoter-proximal pausing at AR-dependent genes following MYC overexpression without an accompanying deactivation of AR-bound enhancers. Altogether, our findings suggest that MYC overexpression antagonizes the canonical AR transcriptional program and contributes to prostate tumor initiation and progression by disrupting transcriptional pause release at AR-regulated genes.
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Affiliation(s)
- Xintao Qiu
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Nadia Boufaied
- Cancer Research Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
| | - Tarek Hallal
- Cancer Research Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Department of Anatomy and Cell Biology, McGill University, Montréal, QC, Canada
| | - Avery Feit
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Anna de Polo
- Cancer Research Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Division of Urology, Department of Surgery, McGill University, Montréal, QC, Canada
| | - Adrienne M Luoma
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Walaa Alahmadi
- Cancer Research Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Division of Experimental Medicine, Department of Medicine, McGill University, Montréal, QC, Canada
| | - Janie Larocque
- Cancer Research Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Division of Experimental Medicine, Department of Medicine, McGill University, Montréal, QC, Canada
| | - Giorgia Zadra
- Departments of Oncologic Pathology and Pathology, Dana-Farber Cancer Institute and Brigham's Women Hospital, Boston, MA, USA
- Institute of Molecular Genetics, National Research Council, Pavia, Italy
| | - Yingtian Xie
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Shengqing Gu
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Department of Data Science, Dana-Farber Cancer Institute, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Qin Tang
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Department of Data Science, Dana-Farber Cancer Institute, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Yi Zhang
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Data Science, Dana-Farber Cancer Institute, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Sudeepa Syamala
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Ji-Heui Seo
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Connor Bell
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Edward O'Connor
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Yang Liu
- Decipher Biosciences, San Diego, CA, USA
| | | | | | - Sheila Weinmann
- Center for Health Research, Kaiser Permanente Northwest, Portland, OR, USA
| | | | - Colm Morrissey
- Department of Urology, University of Washington, Seattle, WA, USA
| | - Paloma Cejas
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Leigh Ellis
- Division of Medical Oncology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute, Los Angeles, CA, USA
- Center for Bioinformatics and Functional Genomics, Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Massimo Loda
- Department of Pathology and Laboratory Medicine, Weil Cornell Medicine, New York Presbyterian-Weill Cornell Campus, New York, NY, USA
| | - Kai W Wucherpfennig
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Mark M Pomerantz
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Daniel E Spratt
- Department of Radiation Oncology, University Hospitals Seidman Cancer Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Eva Corey
- Department of Urology, University of Washington, Seattle, WA, USA
| | - Matthew L Freedman
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- The Eli and Edythe L. Broad Institute, Cambridge, MA, USA
| | - X Shirley Liu
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Data Science, Dana-Farber Cancer Institute, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Myles Brown
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Henry W Long
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA, USA.
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA.
| | - David P Labbé
- Cancer Research Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada.
- Department of Anatomy and Cell Biology, McGill University, Montréal, QC, Canada.
- Division of Urology, Department of Surgery, McGill University, Montréal, QC, Canada.
- Division of Experimental Medicine, Department of Medicine, McGill University, Montréal, QC, Canada.
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PBMNCs Treatment in Critical Limb Ischemia and Candidate Biomarkers of Efficacy. Diagnostics (Basel) 2022; 12:diagnostics12051137. [PMID: 35626293 PMCID: PMC9139406 DOI: 10.3390/diagnostics12051137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 05/01/2022] [Accepted: 05/01/2022] [Indexed: 01/27/2023] Open
Abstract
When in critical limb ischemia (CLI) the healing process aborts or does not follow an orderly and timely sequence, a chronic vascular wound develops. The latter is major problem today, as their epidemiology is continuously increasing due to the aging population and a growth in the incidence of the underlying diseases. In the US, the mean annualized prevalence of necrotic wounds due to the fact of CLI is 1.33% (95% CI, 1.32–1.34%), and the cost of dressings alone has been estimated at USD 5 billion per year from healthcare budgets. A promising cell treatment in wound healing is the local injection of peripheral blood mononuclear cells (PBMNCs). The treatment is aimed to induce angiogenesis as well to switch inflammatory macrophages, called the M1 phenotype, into anti-inflammatory macrophages, called M2, a phenotype devoted to tissue repair. This mechanism is called polarization and is a critical step for the healing of all human tissues. Regarding the clinical efficacy of PBMNCs, the level of evidence is still low, and a considerable effort is necessary for completing the translational process toward the patient bed site. From this point of view, it is crucial to identify some candidate biomarkers to detect the switching process from M1 to M2 in response to the cell treatment.
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Song X, Chang S, Seminario-Vidal L, de Mingo Pulido A, Tordesillas L, Song X, Reed RA, Harkins A, Whiddon S, Nguyen JV, Segura CM, Zhang C, Yoder S, Sayegh Z, Zhao Y, Messina JL, Harro CM, Zhang X, Conejo-Garcia JR, Berglund A, Sokol L, Zhang J, Rodriguez PC, Mulé JJ, Futreal AP, Tsai KY, Chen PL. Genomic and Single-Cell Landscape Reveals Novel Drivers and Therapeutic Vulnerabilities of Transformed Cutaneous T-cell Lymphoma. Cancer Discov 2022; 12:1294-1313. [PMID: 35247891 PMCID: PMC9148441 DOI: 10.1158/2159-8290.cd-21-1207] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 01/10/2022] [Accepted: 02/11/2022] [Indexed: 11/16/2022]
Abstract
ABSTRACT Cutaneous T-cell lymphoma (CTCL) is a rare cancer of skin-homing T cells. A subgroup of patients develops large cell transformation with rapid progression to an aggressive lymphoma. Here, we investigated the transformed CTCL (tCTCL) tumor ecosystem using integrative multiomics spanning whole-exome sequencing (WES), single-cell RNA sequencing, and immune profiling in a unique cohort of 56 patients. WES of 70 skin biopsies showed high tumor mutation burden, UV signatures that are prognostic for survival, exome-based driver events, and most recurrently mutated pathways in tCTCL. Single-cell profiling of 16 tCTCL skin biopsies identified a core oncogenic program with metabolic reprogramming toward oxidative phosphorylation (OXPHOS), cellular plasticity, upregulation of MYC and E2F activities, and downregulation of MHC I suggestive of immune escape. Pharmacologic perturbation using OXPHOS and MYC inhibitors demonstrated potent antitumor activities, whereas immune profiling provided in situ evidence of intercellular communications between malignant T cells expressing macrophage migration inhibitory factor and macrophages and B cells expressing CD74. SIGNIFICANCE Our study contributes a key resource to the community with the largest collection of tCTCL biopsies that are difficult to obtain. The multiomics data herein provide the first comprehensive compendium of genomic alterations in tCTCL and identify potential prognostic signatures and novel therapeutic targets for an incurable T-cell lymphoma. This article is highlighted in the In This Issue feature, p. 1171.
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Affiliation(s)
- Xiaofei Song
- Department of Genomic Medicine, The UT MD Anderson Cancer Center, Houston, TX, USA
| | - Shiun Chang
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Lucia Seminario-Vidal
- Department of Cutaneous Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Alvaro de Mingo Pulido
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Leticia Tordesillas
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Xingzhi Song
- Department of Genomic Medicine, The UT MD Anderson Cancer Center, Houston, TX, USA
| | - Rhianna A. Reed
- Department of Cutaneous Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Andrea Harkins
- Department of Cutaneous Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Shannen Whiddon
- Department of Malignant Hematology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Jonathan V. Nguyen
- Advanced Analytical and Digital Laboratory, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Carlos Moran Segura
- Advanced Analytical and Digital Laboratory, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Chaomei Zhang
- Molecular Genomics Core Facility, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Sean Yoder
- Molecular Genomics Core Facility, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Zena Sayegh
- Tissue Core Facility, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Yun Zhao
- Department of Biopharma Services, Admera Health, Holmdel, NJ, USA
| | - Jane L. Messina
- Department of Cutaneous Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
- Department of Pathology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Carly M. Harro
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Xiaohui Zhang
- Department of Pathology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - José R. Conejo-Garcia
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Anders Berglund
- Department of Biostatistics and Bioinformatics, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Lubomir Sokol
- Department of Malignant Hematology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Jianhua Zhang
- Department of Genomic Medicine, The UT MD Anderson Cancer Center, Houston, TX, USA
| | - Paulo C. Rodriguez
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - James J. Mulé
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Andrew P. Futreal
- Department of Genomic Medicine, The UT MD Anderson Cancer Center, Houston, TX, USA
| | - Kenneth Y. Tsai
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
- Department of Pathology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Pei-Ling Chen
- Department of Cutaneous Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
- Department of Pathology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
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Chen X, Sunkel B, Wang M, Kang S, Wang T, Gnanaprakasam JNR, Liu L, Cassel TA, Scott DA, Muñoz-Cabello AM, Lopez-Barneo J, Yang J, Lane AN, Xin G, Stanton B, Fan TWM, Wang R. Succinate dehydrogenase/complex II is critical for metabolic and epigenetic regulation of T cell proliferation and inflammation. Sci Immunol 2022; 7:eabm8161. [PMID: 35486677 PMCID: PMC9332111 DOI: 10.1126/sciimmunol.abm8161] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Effective T cell-mediated immune responses require the proper allocation of metabolic resources to sustain growth, proliferation, and cytokine production. Epigenetic control of the genome also governs T cell transcriptome and T cell lineage commitment and maintenance. Cellular metabolic programs interact with epigenetic regulation by providing substrates for covalent modifications of chromatin. By using complementary genetic, epigenetic, and metabolic approaches, we revealed that tricarboxylic acid (TCA) cycle flux fueled biosynthetic processes while controlling the ratio of succinate/α-ketoglutarate (α-KG) to modulate the activities of dioxygenases that are critical for driving T cell inflammation. In contrast to cancer cells, where succinate dehydrogenase (SDH)/complex II inactivation drives cell transformation and growth, SDH/complex II deficiency in T cells caused proliferation and survival defects when the TCA cycle was truncated, blocking carbon flux to support nucleoside biosynthesis. Replenishing the intracellular nucleoside pool partially relieved the dependence of T cells on SDH/complex II for proliferation and survival. SDH deficiency induced a proinflammatory gene signature in T cells and promoted T helper 1 and T helper 17 lineage differentiation. An increasing succinate/α-KG ratio in SDH-deficient T cells promoted inflammation by changing the pattern of the transcriptional and chromatin accessibility signatures and consequentially increasing the expression of the transcription factor, PR domain zinc finger protein 1. Collectively, our studies revealed a role of SDH/complex II in allocating carbon resources for anabolic processes and epigenetic regulation in T cell proliferation and inflammation.
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Affiliation(s)
- Xuyong Chen
- Center for Childhood Cancer & Blood Diseases, Hematology/Oncology & BMT, Abigail Wexner Research Institute at Nationwide Children's Hospital, The Ohio State University, Columbus, OH, USA
| | - Benjamin Sunkel
- Center for Childhood Cancer & Blood Diseases, Hematology/Oncology & BMT, Abigail Wexner Research Institute at Nationwide Children's Hospital, The Ohio State University, Columbus, OH, USA
| | - Meng Wang
- Center for Childhood Cancer & Blood Diseases, Hematology/Oncology & BMT, Abigail Wexner Research Institute at Nationwide Children's Hospital, The Ohio State University, Columbus, OH, USA
| | - Siwen Kang
- Center for Childhood Cancer & Blood Diseases, Hematology/Oncology & BMT, Abigail Wexner Research Institute at Nationwide Children's Hospital, The Ohio State University, Columbus, OH, USA
| | - Tingting Wang
- Center for Childhood Cancer & Blood Diseases, Hematology/Oncology & BMT, Abigail Wexner Research Institute at Nationwide Children's Hospital, The Ohio State University, Columbus, OH, USA
| | - JN Rashida Gnanaprakasam
- Center for Childhood Cancer & Blood Diseases, Hematology/Oncology & BMT, Abigail Wexner Research Institute at Nationwide Children's Hospital, The Ohio State University, Columbus, OH, USA
| | - Lingling Liu
- Center for Childhood Cancer & Blood Diseases, Hematology/Oncology & BMT, Abigail Wexner Research Institute at Nationwide Children's Hospital, The Ohio State University, Columbus, OH, USA
| | - Teresa A. Cassel
- Center for Environmental and Systems Biochemistry, Dept. of Toxicology and Cancer Biology, Markey Cancer Center, University of Kentucky, Lexington, KY, USA
| | - David A. Scott
- Cancer Metabolism Core, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Ana M. Muñoz-Cabello
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario "Virgen del Rocío"/CSIC/Universidad de Sevilla, Spain
| | - Jose Lopez-Barneo
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario "Virgen del Rocío"/CSIC/Universidad de Sevilla, Spain
| | - Jun Yang
- Department of Surgery, St Jude Children’s Research Hospital, Memphis, TN, USA
| | - Andrew N. Lane
- Center for Environmental and Systems Biochemistry, Dept. of Toxicology and Cancer Biology, Markey Cancer Center, University of Kentucky, Lexington, KY, USA
| | - Gang Xin
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, OH, USA
| | - Benjamin Stanton
- Center for Childhood Cancer & Blood Diseases, Hematology/Oncology & BMT, Abigail Wexner Research Institute at Nationwide Children's Hospital, The Ohio State University, Columbus, OH, USA
| | - Teresa W.-M. Fan
- Center for Environmental and Systems Biochemistry, Dept. of Toxicology and Cancer Biology, Markey Cancer Center, University of Kentucky, Lexington, KY, USA
| | - Ruoning Wang
- Center for Childhood Cancer & Blood Diseases, Hematology/Oncology & BMT, Abigail Wexner Research Institute at Nationwide Children's Hospital, The Ohio State University, Columbus, OH, USA
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Sun S, Dammann J, Lai P, Tian C. Thorough statistical analyses of breast cancer co-methylation patterns. BMC Genom Data 2022; 23:29. [PMID: 35428183 PMCID: PMC9011975 DOI: 10.1186/s12863-022-01046-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Accepted: 04/01/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Breast cancer is one of the most commonly diagnosed cancers. It is associated with DNA methylation, an epigenetic event with a methyl group added to a cytosine paired with a guanine, i.e., a CG site. The methylation levels of different genes in a genome are correlated in certain ways that affect gene functions. This correlation pattern is known as co-methylation. It is still not clear how different genes co-methylate in the whole genome of breast cancer samples. Previous studies are conducted using relatively small datasets (Illumina 27K data). In this study, we analyze much larger datasets (Illumina 450K data).
Results
Our key findings are summarized below. First, normal samples have more highly correlated, or co-methylated, CG pairs than tumor samples. Both tumor and normal samples have more than 93% positive co-methylation, but normal samples have significantly more negatively correlated CG sites than tumor samples (6.6% vs. 2.8%). Second, both tumor and normal samples have about 94% of co-methylated CG pairs on different chromosomes, but normal samples have 470 million more CG pairs. Highly co-methylated pairs on the same chromosome tend to be close to each other. Third, a small proportion of CG sites’ co-methylation patterns change dramatically from normal to tumor. The percentage of differentially methylated (DM) sites among them is larger than the overall DM rate. Fourth, certain CG sites are highly correlated with many CG sites. The top 100 of such super-connector CG sites in tumor and normal samples have no overlaps. Fifth, both highly changing sites and super-connector sites’ locations are significantly different from the genome-wide CG sites’ locations. Sixth, chromosome X co-methylation patterns are very different from other chromosomes. Finally, the network analyses of genes associated with several sets of co-methylated CG sites identified above show that tumor and normal samples have different patterns.
Conclusions
Our findings will provide researchers with a new understanding of co-methylation patterns in breast cancer. Our ability to thoroughly analyze co-methylation of large datasets will allow researchers to study relationships and associations between different genes in breast cancer.
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Coelho BJ, Veigas B, Bettencourt L, Águas H, Fortunato E, Martins R, Baptista PV, Igreja R. Digital Microfluidics-Powered Real-Time Monitoring of Isothermal DNA Amplification of Cancer Biomarker. BIOSENSORS 2022; 12:bios12040201. [PMID: 35448261 PMCID: PMC9028060 DOI: 10.3390/bios12040201] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/20/2022] [Accepted: 03/25/2022] [Indexed: 06/01/2023]
Abstract
We introduce a digital microfluidics (DMF) platform specifically designed to perform a loop-mediated isothermal amplification (LAMP) of DNA and applied it to a real-time amplification to monitor a cancer biomarker, c-Myc (associated to 40% of all human tumors), using fluorescence microscopy. We demonstrate the full manipulation of the sample and reagents on the DMF platform, resulting in the successful amplification of 90 pg of the target DNA (0.5 ng/µL) in less than one hour. Furthermore, we test the efficiency of an innovative mixing strategy in DMF by employing two mixing methodologies onto the DMF droplets-low frequency AC (alternating current) actuation as well as back-and-forth droplet motion-which allows for improved fluorescence readouts. Fluorophore bleaching effects are minimized through on-chip sample partitioning by DMF processes and sequential droplet irradiation. Finally, LAMP reactions require only 2 µL volume droplets, which represents a 10-fold volume reduction in comparison to benchtop LAMP.
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Affiliation(s)
- Beatriz Jorge Coelho
- Department of Materials Science, School of Science and Technology, NOVA University of Lisbon and CEMOP/UNINOVA, Campus de Caparica, 2829-516 Caparica, Portugal; (B.J.C.); (L.B.); (H.Á.); (E.F.); (R.M.)
- UCIBIO, I4HB, Life Sciences Department, School of Science and Technology, NOVA University of Lisbon, Campus de Caparica, 2829-516 Caparica, Portugal
| | - Bruno Veigas
- AlmaScience, Campus da Caparica, 2829-519 Caparica, Portugal;
| | - Luís Bettencourt
- Department of Materials Science, School of Science and Technology, NOVA University of Lisbon and CEMOP/UNINOVA, Campus de Caparica, 2829-516 Caparica, Portugal; (B.J.C.); (L.B.); (H.Á.); (E.F.); (R.M.)
| | - Hugo Águas
- Department of Materials Science, School of Science and Technology, NOVA University of Lisbon and CEMOP/UNINOVA, Campus de Caparica, 2829-516 Caparica, Portugal; (B.J.C.); (L.B.); (H.Á.); (E.F.); (R.M.)
| | - Elvira Fortunato
- Department of Materials Science, School of Science and Technology, NOVA University of Lisbon and CEMOP/UNINOVA, Campus de Caparica, 2829-516 Caparica, Portugal; (B.J.C.); (L.B.); (H.Á.); (E.F.); (R.M.)
| | - Rodrigo Martins
- Department of Materials Science, School of Science and Technology, NOVA University of Lisbon and CEMOP/UNINOVA, Campus de Caparica, 2829-516 Caparica, Portugal; (B.J.C.); (L.B.); (H.Á.); (E.F.); (R.M.)
| | - Pedro V. Baptista
- UCIBIO, I4HB, Life Sciences Department, School of Science and Technology, NOVA University of Lisbon, Campus de Caparica, 2829-516 Caparica, Portugal
| | - Rui Igreja
- Department of Materials Science, School of Science and Technology, NOVA University of Lisbon and CEMOP/UNINOVA, Campus de Caparica, 2829-516 Caparica, Portugal; (B.J.C.); (L.B.); (H.Á.); (E.F.); (R.M.)
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ABCA1 Expression Is Upregulated in an EMT in Breast Cancer Cell Lines via MYC-Mediated De-Repression of Its Proximal Ebox Element. Biomedicines 2022; 10:biomedicines10030581. [PMID: 35327383 PMCID: PMC8945546 DOI: 10.3390/biomedicines10030581] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 02/23/2022] [Accepted: 02/27/2022] [Indexed: 11/17/2022] Open
Abstract
The ATP-Binding Cassette transporter A1 (ABCA1) reverse cholesterol transport channel has been associated with a number of phenotypes in breast cancer, including reduced proliferation and increased metastatic capacity. It is induced in an epithelial–mesenchymal transition (EMT), but little is known about how this occurs, and whether it is sufficient to promote metastatic phenotypes. To address these questions, we have deciphered the transcriptional regulation of ABCA1 across EMT states and found that it is repressed by MYC via an E-box element in its P1 alternative promoter. De-repression of the promoter by MYC knockdown leads to induction of ABCA1 expression. This indicates that ABCA1 expression is regulated in an EMT, revealing another link between ABCA1 and malignant phenotypes.
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73
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Tsoi H, You CP, Leung MH, Man EPS, Khoo US. Targeting Ribosome Biogenesis to Combat Tamoxifen Resistance in ER+ve Breast Cancer. Cancers (Basel) 2022; 14:1251. [PMID: 35267559 PMCID: PMC8909264 DOI: 10.3390/cancers14051251] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 02/24/2022] [Accepted: 02/27/2022] [Indexed: 02/07/2023] Open
Abstract
Breast cancer is a heterogeneous disease. Around 70% of breast cancers are estrogen receptor-positive (ER+ve), with tamoxifen being most commonly used as an adjuvant treatment to prevent recurrence and metastasis. However, half of the patients will eventually develop tamoxifen resistance. The overexpression of c-MYC can drive the development of ER+ve breast cancer and confer tamoxifen resistance through multiple pathways. One key mechanism is to enhance ribosome biogenesis, synthesising mature ribosomes. The over-production of ribosomes sustains the demand for proteins necessary to maintain a high cell proliferation rate and combat apoptosis induced by therapeutic agents. c-MYC overexpression can induce the expression of eIF4E that favours the translation of structured mRNA to produce oncogenic factors that promote cell proliferation and confer tamoxifen resistance. Either non-phosphorylated or phosphorylated eIF4E can mediate such an effect. Since ribosomes play an essential role in c-MYC-mediated cancer development, suppressing ribosome biogenesis may help reduce aggressiveness and reverse tamoxifen resistance in breast cancer. CX-5461, CX-3543 and haemanthamine have been shown to repress ribosome biogenesis. Using these chemicals might help reverse tamoxifen resistance in ER+ve breast cancer, provided that c-MYC-mediated ribosome biogenesis is the crucial factor for tamoxifen resistance. To employ these ribosome biogenesis inhibitors to combat tamoxifen resistance in the future, identification of predictive markers will be necessary.
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Affiliation(s)
| | | | | | | | - Ui-Soon Khoo
- Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China; (H.T.); (C.-P.Y.); (M.-H.L.); (E.P.S.M.)
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74
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Pather S, Patel M. HIV-associated DLBCL: Clinicopathological factors including dual-colour chromogenic in situ hybridisation to assess MYC gene copies. Ann Diagn Pathol 2022; 58:151913. [DOI: 10.1016/j.anndiagpath.2022.151913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 02/08/2022] [Indexed: 11/01/2022]
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75
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Reprogramming of Lipid Metabolism in Lung Cancer: An Overview with Focus on EGFR-Mutated Non-Small Cell Lung Cancer. Cells 2022; 11:cells11030413. [PMID: 35159223 PMCID: PMC8834094 DOI: 10.3390/cells11030413] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/19/2022] [Accepted: 01/22/2022] [Indexed: 02/07/2023] Open
Abstract
Lung cancer is the leading cause of cancer deaths worldwide. Most of lung cancer cases are classified as non-small cell lung cancers (NSCLC). EGFR has become an important therapeutic target for the treatment of NSCLC patients, and inhibitors targeting the kinase domain of EGFR are currently used in clinical settings. Recently, an increasing interest has emerged toward understanding the mechanisms and biological consequences associated with lipid reprogramming in cancer. Increased uptake, synthesis, oxidation, or storage of lipids has been demonstrated to contribute to the growth of many types of cancer, including lung cancer. In this review, we provide an overview of metabolism in cancer and then explore in more detail the role of lipid metabolic reprogramming in lung cancer development and progression and in resistance to therapies, emphasizing its connection with EGFR signaling. In addition, we summarize the potential therapeutic approaches targeting lipid metabolism for lung cancer treatment.
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76
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Wang L, Zhou L, Li M, Zhao J, Liu Y, Chen Y, Qin X, Wang S, Chen H, Piao Y, Xiang R, Li J, Shi Y. Genome-wide CRISPR/Cas9 knockout screening uncovers ZNF319 as a novel tumor suppressor critical for breast cancer metastasis. Biochem Biophys Res Commun 2022; 589:107-115. [PMID: 34902746 DOI: 10.1016/j.bbrc.2021.12.023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/07/2021] [Accepted: 12/07/2021] [Indexed: 02/07/2023]
Abstract
Breast cancer is prone to relapse and metastasize to many vital organs, contributing to most of the breast cancer-related death and accentuating the importance of systematic identification of key factors regulating the metastasis of breast cancer. In this study, we performed a genome-wide CRISPR/Cas9 knock out screen in an orthotopic murine model of breast cancer for essential genes monitoring the progression and metastasis of breast cancer. We found one member of the zinc finger protein (ZNF) family, i.e., ZNF319, was among the top candidate genes. We further confirmed the lower expression of ZNF319 in the tumor tissue of breast cancer patients by analyzing tissue sections with IHC staining and TCGA database. Consistently, higher expression of ZNF319 correlates with better clinical outcome in almost all subtypes of breast cancer. Moreover, knocking down or overexpressing ZNF319 in breast cancer cells dramatically affects the breast cancer growth and metastasis capacity both in vitro and in vivo, suggesting ZNF319 functions as a strong suppressor of breast cancer progression. Lastly, the transcriptome analysis on ZNF319-silenced breast cancer cells shows that ZNF319 is involved in multiple crucial signaling pathways and biological processes, especially in cell cycle and proliferation. GO and KEGG analyses of our RNA-seq results reveal the up-regulation of E2F and G2/M related genes in ZNF319-silenced cells, suggesting that ZNF319 monitors the cell cycle during the breast cancer progression through the regulation of the E2F target genes and G2/M checkpoint. In summary, our study identifies ZNF319 as a novel metastasis suppressor gene arresting tumor cell cycle in breast cancer and thus presents a novel potential therapeutic target for breast cancer treatment.
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Affiliation(s)
- Longlong Wang
- School of Medicine, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Lijun Zhou
- School of Medicine, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Miao Li
- School of Medicine, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Jin Zhao
- Breast Center, Peking University People's Hospital, Beijing, 100044, China
| | - Yanhua Liu
- School of Medicine, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Yanan Chen
- School of Medicine, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Xuan Qin
- Department of Thyroid and Neck Tumor, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, China
| | - Shuo Wang
- School of Medicine, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Haojie Chen
- School of Medicine, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Yongjun Piao
- School of Medicine, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Rong Xiang
- School of Medicine, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Jia Li
- School of Medicine, Nankai University, 94 Weijin Road, Tianjin, 300071, China.
| | - Yi Shi
- School of Medicine, Nankai University, 94 Weijin Road, Tianjin, 300071, China.
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77
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Repurposing cabozantinib with therapeutic potential in KIT-driven t(8;21) acute myeloid leukaemias. Cancer Gene Ther 2022; 29:519-532. [PMID: 33833412 PMCID: PMC9113930 DOI: 10.1038/s41417-021-00329-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 03/05/2021] [Accepted: 03/23/2021] [Indexed: 02/02/2023]
Abstract
Cabozantinib is an orally available, multi-target tyrosine kinase inhibitor approved for the treatment of several solid tumours and known to inhibit KIT tyrosine kinase. In acute myeloid leukaemia (AML), aberrant KIT tyrosine kinase often coexists with t(8;21) to drive leukaemogenesis. Here we evaluated the potential therapeutic effect of cabozantinib on a selected AML subtype characterised by t(8;21) coupled with KIT mutation. Cabozantinib exerted substantial cytotoxicity in Kasumi-1 cells with an IC50 of 88.06 ± 4.32 nM, which was well within clinically achievable plasma levels. The suppression of KIT phosphorylation and its downstream signals, including AKT/mTOR, STAT3, and ERK1/2, was elicited by cabozantinib treatment and associated with subsequent alterations of cell cycle- and apoptosis-related molecules. Cabozantinib also disrupted the synthesis of an AML1-ETO fusion protein in a dose- and time-dependent manner. In a mouse xenograft model, cabozantinib suppressed tumourigenesis at 10 mg/kg and significantly prolonged survival of the mice. Further RNA-sequencing analysis revealed that mTOR-mediated signalling pathways were substantially inactivated by cabozantinib treatment, causing the downregulation of ribosome biogenesis and glycolysis, along with myeloid leukocyte activation. We suggest that cabozantinib may be effective in the treatment of AML with t(8;21) and KIT mutation. Relevant clinical trials are warranted.
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The MYC oncogene - the grand orchestrator of cancer growth and immune evasion. Nat Rev Clin Oncol 2022; 19:23-36. [PMID: 34508258 PMCID: PMC9083341 DOI: 10.1038/s41571-021-00549-2] [Citation(s) in RCA: 313] [Impact Index Per Article: 156.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/28/2021] [Indexed: 02/08/2023]
Abstract
The MYC proto-oncogenes encode a family of transcription factors that are among the most commonly activated oncoproteins in human neoplasias. Indeed, MYC aberrations or upregulation of MYC-related pathways by alternate mechanisms occur in the vast majority of cancers. MYC proteins are master regulators of cellular programmes. Thus, cancers with MYC activation elicit many of the hallmarks of cancer required for autonomous neoplastic growth. In preclinical models, MYC inactivation can result in sustained tumour regression, a phenomenon that has been attributed to oncogene addiction. Many therapeutic agents that directly target MYC are under development; however, to date, their clinical efficacy remains to be demonstrated. In the past few years, studies have demonstrated that MYC signalling can enable tumour cells to dysregulate their microenvironment and evade the host immune response. Herein, we discuss how MYC pathways not only dictate cancer cell pathophysiology but also suppress the host immune response against that cancer. We also propose that therapies targeting the MYC pathway will be key to reversing cancerous growth and restoring antitumour immune responses in patients with MYC-driven cancers.
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79
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Singh S, Senapati P, Kundu TK. Metabolic Regulation of Lysine Acetylation: Implications in Cancer. Subcell Biochem 2022; 100:393-426. [PMID: 36301501 DOI: 10.1007/978-3-031-07634-3_12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Lysine acetylation is the second most well-studied post-translational modification after phosphorylation. While phosphorylation regulates signaling cascades, one of the most significant roles of acetylation is regulation of chromatin structure. Acetyl-coenzyme A (acetyl-CoA) serves as the acetyl group donor for acetylation reactions mediated by lysine acetyltransferases (KATs). On the other hand, NAD+ serves as the cofactor for lysine deacetylases (KDACs). Both acetyl-CoA and NAD+ are metabolites integral to energy metabolism, and therefore, their metabolic flux can regulate the activity of KATs and KDACs impacting the epigenome. In this chapter, we review our current understanding of how metabolic pathways regulate lysine acetylation in normal and cancer cells.
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Affiliation(s)
- Siddharth Singh
- Transcription and Disease Laboratory, Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka, India
| | - Parijat Senapati
- Transcription and Disease Laboratory, Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka, India
- Beckman Research Institute, City of Hope, Duarte, CA, USA
| | - Tapas K Kundu
- Transcription and Disease Laboratory, Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka, India.
- Division of Cancer Biology, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India.
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80
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Metabolomic Profiling Identified Serum Metabolite Biomarkers and Related Metabolic Pathways of Colorectal Cancer. DISEASE MARKERS 2021; 2021:6858809. [PMID: 34917201 PMCID: PMC8670981 DOI: 10.1155/2021/6858809] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 11/13/2021] [Accepted: 11/18/2021] [Indexed: 12/21/2022]
Abstract
Background The screening and early detection of colorectal cancer (CRC) still remain a challenge due to the lack of reliable and effective serum biomarkers. Thus, this study is aimed at identifying serum biomarkers of CRC that could be used to distinguish CRC from healthy controls. Methods A prospective 1 : 2 individual matching case-control study was performed which included 50 healthy control subjects and 98 CRC patients. Untargeted metabolomic profiling was conducted with liquid chromatography tandem mass spectrometry (LC-MS/MS) to identify CRC-related metabolites and metabolic pathways. Results In total, 178 metabolites were detected, and an orthogonal partial least-squares-discriminant analysis (OPLS-DA) model was useful to distinguish CRC patients from healthy controls. Nine metabolites showed significantly differential serum levels in CRC patients under the conditions of variable importance in projection (VIP) > 1, p < 0.05 using Student's t-test, and fold change (FC) ≥ 1.2 or ≤0.5. The above nine metabolites were 3-hydroxybutyric acid, hexadecanedioic acid, succinic acid semialdehyde, 4-dodecylbenzenesulfonic acid, prostaglandin B2, 2-pyrocatechuic acid, xanthoxylin, 12-hydroxydodecanoic acid, and formylanthranilic acid. Four potential biomarkers were identified to diagnose CRC through ROC curves: hexadecanedioic acid, 4-dodecylbenzenesulfonic acid, 2-pyrocatechuic acid, and formylanthranilic acid. All AUC values of these four serum biomarkers were above 0.70. In addition, the exploratory analysis of metabolic pathways revealed the activated states for the vitamin B metabolic pathway and the alanine, aspartate, and glutamate metabolic pathways associated with CRC. Conclusion The 4 identified potential metabolic biomarkers could discriminate CRC patients from healthy controls, and the 2 metabolic pathways may be activated in the CRC tissues.
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81
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Jemal M, Molla TS, Asmamaw Dejenie T. Ketogenic Diets and their Therapeutic Potential on Breast Cancer: A Systemic Review. Cancer Manag Res 2021; 13:9147-9155. [PMID: 34934359 PMCID: PMC8684375 DOI: 10.2147/cmar.s339970] [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: 09/18/2021] [Accepted: 11/27/2021] [Indexed: 12/05/2022] Open
Abstract
Breast cancer remains a major cause of morbidity and mortality in women, and there is still a lack of complementary approaches to significantly improve the efficacy of standard therapies. For many kinds of cancers, the usual standard care is the combination of surgery, radiation, and chemotherapy. However, this standard therapy is not effective alone. Therefore, new approaches that increase therapeutic effectiveness are urgently needed. The ketogenic diet is a novel therapeutic approach for certain types of cancers, as indicated by several preclinical and clinical evidences. The ketogenic diet, which consists of a high-fat, low-carbohydrate diet with adequate protein, appears to sensitize most cancers to standard therapy by utilizing the reprogrammed metabolism of cancer cells, making it a promising candidate for adjuvant cancer treatment. The majority of preclinical and clinical studies argue that the use of a ketogenic diet in combination with standard therapies is based on its potential to improve the antitumor effects of conventional chemotherapy, its overall good safety and tolerability, and quality of life improvement. According to new evidence, a ketogenic diet lowers the level of glucose and insulin in the blood, which are necessary for tumor growth. Thus, the ketogenic diet has emerged as a potential treatment option for a variety of cancers, including breast cancer. Besides, implementation of a Ketogenic diet in the clinic could improve progression-free and overall survival for patients with breast cancer. This review summarizes the composition and metabolism of ketogenic diets and their potential mechanisms in breast carcinogenesis in addition to their therapeutic potential on breast cancer.
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Affiliation(s)
- Mohammed Jemal
- Department of Biochemistry, School of Medicine, College of Medicine and Health Sciences, University of Gondar, Gondar, Amhara, Ethiopia
| | - Tewodros Shibabaw Molla
- Department of Biochemistry, School of Medicine, College of Medicine and Health Sciences, University of Gondar, Gondar, Amhara, Ethiopia
| | - Tadesse Asmamaw Dejenie
- Department of Biochemistry, School of Medicine, College of Medicine and Health Sciences, University of Gondar, Gondar, Amhara, Ethiopia
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82
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Hernández A, Domènech M, Muñoz-Mármol AM, Carrato C, Balana C. Glioblastoma: Relationship between Metabolism and Immunosuppressive Microenvironment. Cells 2021; 10:cells10123529. [PMID: 34944036 PMCID: PMC8700075 DOI: 10.3390/cells10123529] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 12/06/2021] [Accepted: 12/10/2021] [Indexed: 12/12/2022] Open
Abstract
Glioblastoma (GBM) is the most aggressive brain tumor in adults and is characterized by an immunosuppressive microenvironment. Different factors shaping this tumor microenvironment (TME) regulate tumor initiation, progression, and treatment response. Genetic alterations and metabolism pathways are two main elements that influence tumor immune cells and TME. In this manuscript, we review how both factors can contribute to an immunosuppressive state and overview the strategies being tested.
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Affiliation(s)
- Ainhoa Hernández
- B·ARGO (Badalona Applied Research Group of Oncology) Medical Oncology Department, Catalan Institute of Oncology Badalona, 08916 Badalona, Spain; (A.H.); (M.D.)
| | - Marta Domènech
- B·ARGO (Badalona Applied Research Group of Oncology) Medical Oncology Department, Catalan Institute of Oncology Badalona, 08916 Badalona, Spain; (A.H.); (M.D.)
| | - Ana M. Muñoz-Mármol
- Pathology Department, Hospital Universitari Germans Trias i Pujol, 08916 Badalona, Spain; (A.M.M.-M.); (C.C.)
| | - Cristina Carrato
- Pathology Department, Hospital Universitari Germans Trias i Pujol, 08916 Badalona, Spain; (A.M.M.-M.); (C.C.)
| | - Carmen Balana
- B·ARGO (Badalona Applied Research Group of Oncology) Medical Oncology Department, Catalan Institute of Oncology Badalona, 08916 Badalona, Spain; (A.H.); (M.D.)
- Correspondence: ; Tel.: +34-4978925
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83
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Association between Altered Oncogenic Signaling Pathways and Overall Survival of Patients with Metastatic Colorectal Cancer. Diagnostics (Basel) 2021; 11:diagnostics11122308. [PMID: 34943546 PMCID: PMC8700603 DOI: 10.3390/diagnostics11122308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 12/04/2021] [Accepted: 12/05/2021] [Indexed: 11/16/2022] Open
Abstract
Systemic characterization of genomic alterations into signaling pathways helps to understand the molecular pathogenies of colorectal cancer; however, their clinical implications remain unclear. Here, 128 patients with metastatic colorectal cancer (mCRC) receiving targeted next generation sequencing were retrospectively enrolled to analyze the impact of altered oncogenic pathways on clinical outcome. The datasets from Memorial Sloan Kettering Cancer Center were used for validation. In 123 patients with non-MSI-high tumor, the most common mutated gene was TP53 (84.6%), followed by APC (78.0%), KRAS (49.6%), and SMAD4 (22.8%). When mutated genes were allocated into signaling pathways defined as The Cancer Genome Atlas Pan-Cancer Analysis Project, alterations of cell cycle, Wnt, p53, RTK-RAS, PI3K, TGF-β, Notch, and Myc pathways were identified in 88%, 87%, 85%, 75%, 28%, 26%, 17%, and 10% of mCRC tissues, respectively. The survival analyses revealed that Myc and TGF-β pathway alterations were associated with a shorter overall survival (OS) (hazard ratio [HR]: 2.412; 95% confidence interval [CI]: 1.139–5.109; p = 0.018 and HR: 2.754; 95% CI: 1.044–7.265; p = 0.033, respectively). The negative prognostic impact of altered TGF-β pathway was maintained in patients receiving an anti-EGFR antibody. The OS of patients with mCRC carrying MYC and BRAF mutation was shorter than those with either MYC or BRAF mutation (HR: 4.981, 95% CI: 0.296–83.92; p = 0.02). These findings have clinical implications, such as prognosis prediction, treatment guidance, and molecular-targeted therapy development.
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84
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Why may citrate sodium significantly increase the effectiveness of transarterial chemoembolization in hepatocellular carcinoma? Drug Resist Updat 2021; 59:100790. [PMID: 34924279 DOI: 10.1016/j.drup.2021.100790] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/01/2021] [Accepted: 09/04/2021] [Indexed: 02/07/2023]
Abstract
Hepatocellular carcinoma (HCC) represents the third cause of cancer death in men worldwide, and its increasing incidence can be explained by the increasing occurrence of non-alcoholic steatohepatitis (NASH). HCC prognosis is poor, as its 5-year overall survival is approximately 18 % and most cases are diagnosed at an inoperable advanced stage. Moreover, tumor sensitivity to conventional chemotherapeutics (particularly to cisplatin-based regimen), trans-arterial chemoembolization (cTACE), tyrosine kinase inhibitors, anti-angiogenic molecules and immune checkpoint inhibitors is limited. Oncogenic signaling pathways, such as HIF-1α and RAS/PI3K/AKT, may provoke drug resistance by enhancing the aerobic glycolysis ("Warburg effect") in cancer cells. Indeed, this metabolism, which promotes cancer cell development and aggressiveness, also induces extracellular acidity. In turn, this acidity promotes the protonation of drugs, hence abrogating their internalization, since they are most often weakly basic molecules. Consequently, targeting the Warburg effect in these cancer cells (which in turn would reduce the extracellular acidification) could be an effective strategy to increase the delivery of drugs into the tumor. Phosphofructokinase-1 (PFK1) and its activator PFK2 are the main regulators of glycolysis, and they also couple the enhancement of glycolysis to the activation of key signaling cascades and cell cycle progression. Therefore, targeting this "Gordian Knot" in HCC cells would be of crucial importance. Here, we suggest that this could be achieved by citrate administration at high concentration, because citrate is a physiologic inhibitor of PFK1 and PFK2. As shown in various in vitro studies, including HCC cell lines, administration of high concentrations of citrate inhibits PFK1 and PFK2 (and consequently glycolysis), decreases ATP production, counteracts HIF-1α and PI3K/AKT signaling, induces apoptosis, and sensitizes cells to cisplatin treatment. Administration of high concentrations of citrate in animal models (including Ras-driven tumours) has been shown to effectively inhibit cancer growth, reverse cell dedifferentiation, and neutralize intratumor acidity, without apparent toxicity in animal studies. Citrate may also induce a rapid secretion of pro-inflammatory cytokines by macrophages, and it could favour the destruction of cancer stem cells (CSCs) sustaining tumor recurrence. Consequently, this "citrate strategy" could improve the tumor sensitivity to current treatments of HCC by reducing the extracellular acidity, thus enhancing the delivery of chemotherapeutic drugs into the tumor. Therefore, we propose that this strategy should be explored in clinical trials, in particular to enhance cTACE effectiveness.
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85
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Oridonin Dose-Dependently Modulates the Cell Senescence and Apoptosis of Gastric Cancer Cells. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:5023536. [PMID: 34795783 PMCID: PMC8595004 DOI: 10.1155/2021/5023536] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 07/28/2021] [Accepted: 10/01/2021] [Indexed: 11/18/2022]
Abstract
Gastric cancer (GC) is the fourth most lethal cancer. Effective treatments are lacking, and our knowledge of the pathogenic mechanisms in play is poor. Oridonin from the Chinese herb Rabdosia rubescens exerts various anticancer activities. However, the dose-dependent effects of oridonin on human GC remain unclear. Here, we found that oridonin inhibited GC cell growth in a time- and dose-dependent manner. Low-dose oridonin induced GC cell cycle arrest at G0/G1 and cell senescence by suppressing the c-Myc-AP4 pathway and enhancing p53-p21 signaling. AP4 overexpression partly abrogated the oridonin-induced senescence of GC cells. High-dose oridonin induced apoptosis and autophagy, with the autophagy inhibitor BafA1 attenuating oridonin-induced apoptosis. Together, the findings indicate that oridonin at different doses modulates GC cell senescence and apoptosis; oridonin may thus usefully treat GC.
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86
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Fu Y, Zou T, Shen X, Nelson PJ, Li J, Wu C, Yang J, Zheng Y, Bruns C, Zhao Y, Qin L, Dong Q. Lipid metabolism in cancer progression and therapeutic strategies. MedComm (Beijing) 2021; 2:27-59. [PMID: 34766135 PMCID: PMC8491217 DOI: 10.1002/mco2.27] [Citation(s) in RCA: 119] [Impact Index Per Article: 39.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 07/17/2020] [Accepted: 07/23/2020] [Indexed: 12/24/2022] Open
Abstract
Dysregulated lipid metabolism represents an important metabolic alteration in cancer. Fatty acids, cholesterol, and phospholipid are the three most prevalent lipids that act as energy producers, signaling molecules, and source material for the biogenesis of cell membranes. The enhanced synthesis, storage, and uptake of lipids contribute to cancer progression. The rewiring of lipid metabolism in cancer has been linked to the activation of oncogenic signaling pathways and cross talk with the tumor microenvironment. The resulting activity favors the survival and proliferation of tumor cells in the harsh conditions within the tumor. Lipid metabolism also plays a vital role in tumor immunogenicity via effects on the function of the noncancer cells within the tumor microenvironment, especially immune‐associated cells. Targeting altered lipid metabolism pathways has shown potential as a promising anticancer therapy. Here, we review recent evidence implicating the contribution of lipid metabolic reprogramming in cancer to cancer progression, and discuss the molecular mechanisms underlying lipid metabolism rewiring in cancer, and potential therapeutic strategies directed toward lipid metabolism in cancer. This review sheds new light to fully understanding of the role of lipid metabolic reprogramming in the context of cancer and provides valuable clues on therapeutic strategies targeting lipid metabolism in cancer.
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Affiliation(s)
- Yan Fu
- Department of General Surgery, Huashan Hospital & Cancer Metastasis Institute & Institutes of Biomedical Sciences Fudan University Shanghai China
| | - Tiantian Zou
- Department of General Surgery, Huashan Hospital & Cancer Metastasis Institute & Institutes of Biomedical Sciences Fudan University Shanghai China
| | - Xiaotian Shen
- Department of General Surgery, Huashan Hospital & Cancer Metastasis Institute & Institutes of Biomedical Sciences Fudan University Shanghai China
| | - Peter J Nelson
- Medical Clinic and Policlinic IV Ludwig-Maximilian-University (LMU) Munich Germany
| | - Jiahui Li
- General, Visceral and Cancer Surgery University Hospital of Cologne Cologne Germany
| | - Chao Wu
- Department of General Surgery, Ruijin Hospital Shanghai Jiao Tong University School of Medicine Shanghai China
| | - Jimeng Yang
- Department of General Surgery, Huashan Hospital & Cancer Metastasis Institute & Institutes of Biomedical Sciences Fudan University Shanghai China
| | - Yan Zheng
- Department of General Surgery, Huashan Hospital & Cancer Metastasis Institute & Institutes of Biomedical Sciences Fudan University Shanghai China
| | - Christiane Bruns
- General, Visceral and Cancer Surgery University Hospital of Cologne Cologne Germany
| | - Yue Zhao
- General, Visceral and Cancer Surgery University Hospital of Cologne Cologne Germany
| | - Lunxiu Qin
- Department of General Surgery, Huashan Hospital & Cancer Metastasis Institute & Institutes of Biomedical Sciences Fudan University Shanghai China
| | - Qiongzhu Dong
- Department of General Surgery, Huashan Hospital & Cancer Metastasis Institute & Institutes of Biomedical Sciences Fudan University Shanghai China
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87
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Jiang Z, Generoso SF, Badia M, Payer B, Carey LB. A conserved expression signature predicts growth rate and reveals cell & lineage-specific differences. PLoS Comput Biol 2021; 17:e1009582. [PMID: 34762642 PMCID: PMC8610284 DOI: 10.1371/journal.pcbi.1009582] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 11/23/2021] [Accepted: 10/21/2021] [Indexed: 12/23/2022] Open
Abstract
Isogenic cells cultured together show heterogeneity in their proliferation rate. To determine the differences between fast and slow-proliferating cells, we developed a method to sort cells by proliferation rate, and performed RNA-seq on slow and fast proliferating subpopulations of pluripotent mouse embryonic stem cells (mESCs) and mouse fibroblasts. We found that slowly proliferating mESCs have a more naïve pluripotent character. We identified an evolutionarily conserved proliferation-correlated transcriptomic signature that is common to all eukaryotes: fast cells have higher expression of genes for protein synthesis and protein degradation. This signature accurately predicted growth rate in yeast and cancer cells, and identified lineage-specific proliferation dynamics during development, using C. elegans scRNA-seq data. In contrast, sorting by mitochondria membrane potential revealed a highly cell-type specific mitochondria-state related transcriptome. mESCs with hyperpolarized mitochondria are fast proliferating, while the opposite is true for fibroblasts. The mitochondrial electron transport chain inhibitor antimycin affected slow and fast subpopulations differently. While a major transcriptional-signature associated with cell-to-cell heterogeneity in proliferation is conserved, the metabolic and energetic dependency of cell proliferation is cell-type specific. By performing RNA sequencing on cells sorted by their proliferation rate, this study identifies a gene expression signature capable of predicting proliferation rates in diverse eukaryotic cell types and species. This signature, applied to single-cell RNA sequencing data from embryos of the roundworm C. elegans, reveals lineage-specific proliferation differences during development. In contrast to the universality of the proliferation signature, mitochondria and metabolism related genes show a high degree of cell-type specificity; mouse pluripotent stem cells (mESCs) and differentiated cells (fibroblasts) exhibit opposite relations between mitochondria state and proliferation. Furthermore, we identified a slow proliferating subpopulation of mESCs with higher expression of pluripotency genes. Finally, we show that fast and slow proliferating subpopulations are differentially sensitive to mitochondria inhibitory drugs in different cell types. Highlights:
A FACS-based method to determine the transcriptomes of fast and slow proliferating subpopulations. A universal proliferation-correlated transcriptional signature indicates high protein synthesis and degradation in fast proliferating cells across cell types and species. Applied to scRNA-seq, the expression signature predicts the global proliferation slowdown during C. elegans development. Mitochondria membrane potential predicts proliferation rate in a cell-type specific manner, with ETC complex III inhibitor having distinct effects on fibroblasts vs mESCs.
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Affiliation(s)
- Zhisheng Jiang
- Center for Quantitative Biology and Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Serena F. Generoso
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Marta Badia
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Bernhard Payer
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- * E-mail: (BP); (LBC)
| | - Lucas B. Carey
- Center for Quantitative Biology and Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- * E-mail: (BP); (LBC)
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88
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Gill T, Wang H, Bandaru R, Lawlor M, Lu C, Nieman LT, Tao J, Zhang Y, Anderson DG, Ting DT, Chen X, Bradner JE, Ott CJ. Selective targeting of MYC mRNA by stabilized antisense oligonucleotides. Oncogene 2021; 40:6527-6539. [PMID: 34650218 PMCID: PMC8627489 DOI: 10.1038/s41388-021-02053-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 09/07/2021] [Accepted: 09/30/2021] [Indexed: 12/30/2022]
Abstract
MYC is a prolific proto-oncogene driving the malignant behaviors of numerous common cancers, yet potent and selective cell-permeable inhibitors of MYC remain elusive. In order to ultimately realize the goal of therapeutic MYC inhibition in cancer, we have initiated discovery chemistry efforts aimed at inhibiting MYC translation. Here we describe a series of conformationally stabilized synthetic antisense oligonucleotides designed to target MYC mRNA (MYCASOs). To support bioactivity, we designed and synthesized this focused library of MYCASOs incorporating locked nucleic acid (LNA) bases at the 5'- and 3'-ends, a phosphorothioate backbone, and internal DNA bases. Treatment of MYC-expressing cancer cells with MYCASOs leads to a potent decrease in MYC mRNA and protein levels. Cleaved MYC mRNA in MYCASO-treated cells is detected with a sensitive 5' Rapid Amplification of cDNA Ends (RACE) assay. MYCASO treatment of cancer cell lines leads to significant inhibition of cellular proliferation while specifically perturbing MYC-driven gene expression signatures. In a MYC-induced model of hepatocellular carcinoma, MYCASO treatment decreases MYC protein levels within tumors, decreases tumor burden, and improves overall survival. MYCASOs represent a new chemical tool for in vitro and in vivo modulation of MYC activity, and promising therapeutic agents for MYC-addicted tumors.
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Affiliation(s)
- Taylor Gill
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, 02215, USA
- Broad Institute of MIT & Harvard, Cambridge, MA, 02142, USA
| | - Haichuan Wang
- Department of Bioengineering and Therapeutic Sciences, University of California-San Francisco, San Francisco, CA, 94143, USA
| | - Raj Bandaru
- ENZON Pharmaceuticals, Cranford, NJ, 07016, USA
| | - Matthew Lawlor
- Center for Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA
| | - Chenyue Lu
- Center for Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA
| | - Linda T Nieman
- Center for Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA
| | - Junyan Tao
- Department of Bioengineering and Therapeutic Sciences, University of California-San Francisco, San Francisco, CA, 94143, USA
| | | | - Daniel G Anderson
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA
| | - David T Ting
- Center for Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA
- Department of Medicine, Harvard Medical School, Boston, MA, 02115, USA
| | - Xin Chen
- Department of Bioengineering and Therapeutic Sciences, University of California-San Francisco, San Francisco, CA, 94143, USA
| | - James E Bradner
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, 02215, USA.
- Department of Medicine, Harvard Medical School, Boston, MA, 02115, USA.
- Novartis Institutes for BioMedical Research, Cambridge, MA, 02139, USA.
| | - Christopher J Ott
- Broad Institute of MIT & Harvard, Cambridge, MA, 02142, USA.
- Center for Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA.
- Department of Medicine, Harvard Medical School, Boston, MA, 02115, USA.
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89
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Abstract
Cellular activities are finely regulated by numerous signaling pathways to support specific functions of complex life processes. Viruses are obligate intracellular parasites. Each step of viral replication is ultimately governed by the interaction of a virus with its host cells. Because of the demands of viral replication, the nutritional needs of virus-infected cells differ from those of uninfected cells. To improve their chances of survival and replication, viruses have evolved to commandeer cellular processes, including cell metabolism, augmenting these processes to support their needs. This article summarizes recent findings regarding virus-induced alterations to major cellular metabolic pathways focusing on how viruses modulate various signaling cascades to induce these changes. We begin with a general introduction describing the role played by signaling pathways in cellular metabolism. We then discuss how different viruses target these signaling pathways to reprogram host metabolism to favor the viral needs. We highlight the gaps in understanding metabolism-related virus-host interactions and discuss how studying these changes will enhance our understanding of fundamental processes involved in metabolic regulation. Finally, we discuss the potential to harness these processes to combat viral diseases, as well as other diseases, including metabolic disorders and cancers.
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90
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Sradhanjali S, Rout P, Tripathy D, Kaliki S, Rath S, Modak R, Mittal R, Chowdary TK, Reddy MM. The Oncogene MYCN Modulates Glycolytic and Invasive Genes to Enhance Cell Viability and Migration in Human Retinoblastoma. Cancers (Basel) 2021; 13:cancers13205248. [PMID: 34680394 PMCID: PMC8533785 DOI: 10.3390/cancers13205248] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/11/2021] [Accepted: 10/12/2021] [Indexed: 12/21/2022] Open
Abstract
Retinoblastoma is usually initiated by biallelic RB1 gene inactivation. In addition, MYCN copy number alterations also contribute to RB pathogenesis. However, MYCN expression, its role in disease progression and correlation with RB histological risk factors are not well understood. We studied the expression of MYCN in enucleated RB patient specimens by immunohistochemistry. MYCN is overexpressed in RB compared to control retina. Our microarray gene expression analysis followed by qRT-PCR validation revealed that genes involved in glucose metabolism and migration are significantly downregulated in MYCN knockdown cells. Further, targeting MYCN in RB cells using small molecule compounds or shRNAs led to decreased cell survival and migration, increased apoptosis and cell cycle arrest, suggesting that MYCN inhibition can be a potential therapeutic strategy. We also noted that MYCN inhibition results in reduction in glucose uptake, lactate production, ROS levels and gelatinolytic activity of active-MMP9, explaining a possible mechanism of MYCN in RB. Taking clues from our findings, we tested a combination treatment of RB cells with carboplatin and MYCN inhibitors to find enhanced therapeutic efficacy compared to single drug treatment. Thus, MYCN inhibition can be a potential therapeutic strategy in combination with existing chemotherapy drugs to restrict tumor cell growth in RB.
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Affiliation(s)
- Swatishree Sradhanjali
- The Operation Eyesight Universal Institute for Eye Cancer, LV Prasad Eye Institute, Bhubaneswar 751024, Odisha, India; (S.S.); (P.R.)
- School of Biotechnology, KIIT Deemed to Be University, Bhubaneswar 751024, Odisha, India;
| | - Padmalochan Rout
- The Operation Eyesight Universal Institute for Eye Cancer, LV Prasad Eye Institute, Bhubaneswar 751024, Odisha, India; (S.S.); (P.R.)
- Novo Nordisk, Bangalore 560066, Karnataka, India
| | - Devjyoti Tripathy
- Ophthalmic Plastics, Orbit and Ocular Oncology Service, LV Prasad Eye Institute, Bhubaneswar 751024, Odisha, India; (D.T.); (S.R.)
| | - Swathi Kaliki
- The Operation Eyesight Universal Institute for Eye Cancer, LV Prasad Eye Institute, Hyderabad 500034, Telangana, India;
| | - Suryasnata Rath
- Ophthalmic Plastics, Orbit and Ocular Oncology Service, LV Prasad Eye Institute, Bhubaneswar 751024, Odisha, India; (D.T.); (S.R.)
| | - Rahul Modak
- School of Biotechnology, KIIT Deemed to Be University, Bhubaneswar 751024, Odisha, India;
| | - Ruchi Mittal
- Kanupriya Dalmia Ophthalmic Pathology Laboratory, LV Prasad Eye Institute, Bhubaneswar 751024, Odisha, India;
- Department of Pathology, Kalinga Institute of Medical Sciences, Bhubaneswar 751024, Odisha, India
| | - Tirumala Kumar Chowdary
- School of Biological Sciences, National Institute of Science Education and Research, Homi Bhabha National Institute, Bhubaneswar 752050, Odisha, India;
| | - Mamatha M. Reddy
- The Operation Eyesight Universal Institute for Eye Cancer, LV Prasad Eye Institute, Bhubaneswar 751024, Odisha, India; (S.S.); (P.R.)
- School of Biotechnology, KIIT Deemed to Be University, Bhubaneswar 751024, Odisha, India;
- Correspondence: or ; Tel.: +91-674-3987175
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91
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La T, Chen S, Guo T, Zhao XH, Teng L, Li D, Carnell M, Zhang YY, Feng YC, Cole N, Brown AC, Zhang D, Dong Q, Wang JY, Cao H, Liu T, Thorne RF, Shao FM, Zhang XD, Jin L. Visualization of endogenous p27 and Ki67 reveals the importance of a c-Myc-driven metabolic switch in promoting survival of quiescent cancer cells. Am J Cancer Res 2021; 11:9605-9622. [PMID: 34646389 PMCID: PMC8490506 DOI: 10.7150/thno.63763] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 09/07/2021] [Indexed: 12/11/2022] Open
Abstract
Rationale: Recurrent and metastatic cancers often undergo a period of dormancy, which is closely associated with cellular quiescence, a state whereby cells exit the cell cycle and are reversibly arrested in G0 phase. Curative cancer treatment thus requires therapies that either sustain the dormant state of quiescent cancer cells, or preferentially, eliminate them. However, the mechanisms responsible for the survival of quiescent cancer cells remain obscure. Methods: Dual genome-editing was carried out using a CRISPR/Cas9-based system to label endogenous p27 and Ki67 with the green and red fluorescent proteins EGFP and mCherry, respectively, in melanoma cells. Analysis of transcriptomes of isolated EGFP-p27highmCherry-Ki67low quiescent cells was conducted at bulk and single cell levels using RNA-sequencing. The extracellular acidification rate and oxygen consumption rate were measured to define metabolic phenotypes. SiRNA and inducible shRNA knockdown, chromatin immunoprecipitation and luciferase reporter assays were employed to elucidate mechanisms of the metabolic switch in quiescent cells. Results: Dual labelling of endogenous p27 and Ki67 with differentiable fluorescent probes allowed for visualization, isolation, and analysis of viable p27highKi67low quiescent cells. Paradoxically, the proto-oncoprotein c-Myc, which commonly drives malignant cell cycle progression, was expressed at relatively high levels in p27highKi67low quiescent cells and supported their survival through promoting mitochondrial oxidative phosphorylation (OXPHOS). In this context, c-Myc selectively transactivated genes encoding OXPHOS enzymes, including subunits of isocitric dehydrogenase 3 (IDH3), whereas its binding to cell cycle progression gene promoters was decreased in quiescent cells. Silencing of c-Myc or the catalytic subunit of IDH3, IDH3α, preferentially killed quiescent cells, recapitulating the effect of treatment with OXPHOS inhibitors. Conclusion: These results establish a rigorous experimental system for investigating cellular quiescence, uncover the high selectivity of c-Myc in activating OXPHOS genes in quiescent cells, and propose OXPHOS targeting as a potential therapeutic avenue to counter cancer cells in quiescence.
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92
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Kleinehr J, Wilden JJ, Boergeling Y, Ludwig S, Hrincius ER. Metabolic Modifications by Common Respiratory Viruses and Their Potential as New Antiviral Targets. Viruses 2021; 13:2068. [PMID: 34696497 PMCID: PMC8540840 DOI: 10.3390/v13102068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/22/2021] [Accepted: 10/09/2021] [Indexed: 12/11/2022] Open
Abstract
Respiratory viruses are known to be the most frequent causative mediators of lung infections in humans, bearing significant impact on the host cell signaling machinery due to their host-dependency for efficient replication. Certain cellular functions are actively induced by respiratory viruses for their own benefit. This includes metabolic pathways such as glycolysis, fatty acid synthesis (FAS) and the tricarboxylic acid (TCA) cycle, among others, which are modified during viral infections. Here, we summarize the current knowledge of metabolic pathway modifications mediated by the acute respiratory viruses respiratory syncytial virus (RSV), rhinovirus (RV), influenza virus (IV), parainfluenza virus (PIV), coronavirus (CoV) and adenovirus (AdV), and highlight potential targets and compounds for therapeutic approaches.
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Affiliation(s)
- Jens Kleinehr
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, Von-Esmarch-Str. 56, D-48149 Muenster, Germany; (J.K.); (J.J.W.); (Y.B.); (S.L.)
| | - Janine J. Wilden
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, Von-Esmarch-Str. 56, D-48149 Muenster, Germany; (J.K.); (J.J.W.); (Y.B.); (S.L.)
| | - Yvonne Boergeling
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, Von-Esmarch-Str. 56, D-48149 Muenster, Germany; (J.K.); (J.J.W.); (Y.B.); (S.L.)
| | - Stephan Ludwig
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, Von-Esmarch-Str. 56, D-48149 Muenster, Germany; (J.K.); (J.J.W.); (Y.B.); (S.L.)
- Cells in Motion Interfaculty Centre (CiMIC), Westfaelische Wilhelms-University Muenster, Von-Esmarch-Str. 56, D-48149 Muenster, Germany
| | - Eike R. Hrincius
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, Von-Esmarch-Str. 56, D-48149 Muenster, Germany; (J.K.); (J.J.W.); (Y.B.); (S.L.)
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93
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Hassan MS, Cwidak N, Johnson C, Däster S, Eppenberger-Castori S, Awasthi N, Li J, Schwarz MA, von Holzen U. Therapeutic Potential of the Cyclin-Dependent Kinase Inhibitor Flavopiridol on c-Myc Overexpressing Esophageal Cancer. Front Pharmacol 2021; 12:746385. [PMID: 34621175 PMCID: PMC8490822 DOI: 10.3389/fphar.2021.746385] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 09/08/2021] [Indexed: 12/14/2022] Open
Abstract
Tumors with elevated c-Myc expression often exhibit a highly aggressive phenotype, and c-Myc amplification has been shown to be frequent in esophageal cancer. Emerging data suggests that synthetic lethal interactions between c-Myc pathway activation and small molecules inhibition involved in cell cycle signaling can be therapeutically exploited to preferentially kill tumor cells. We therefore investigated whether exploiting elevated c-Myc expression is effective in treating esophageal cancer with the CDK inhibitor flavopiridol. We found frequent overexpression of c-Myc in human esophageal cancer cell lines and tissues. c-Myc overexpression correlated with accelerated esophageal cancer subcutaneous xenograft tumor growth. Esophageal cancer cells with elevated c-Myc expression were found preferentially more sensitive to induction of apoptosis by the CDK inhibition flavopiridol compared to esophageal cancer cells with lower c-Myc expression. In addition, we observed that flavopiridol alone or in combination with the chemotherapeutic agent nanoparticle albumin-bound paclitaxel (NPT) or in combinations with the targeted agent BMS-754807 significantly inhibited esophageal cancer cell proliferation and subcutaneous xenograft tumor growth while significantly enhancing overall mice survival. These results indicate that aggressive esophageal cancer cells with elevated c-Myc expression are sensitive to the CDK inhibitor flavopiridol, and that flavopiridol alone or in combination can be a potential therapy for c-Myc overexpressing esophageal cancer.
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Affiliation(s)
- Md Sazzad Hassan
- Department of Surgery, Indiana University School of Medicine, South Bend, IN, United States.,Harper Cancer Research Institute, South Bend, IN, United States
| | - Nicholas Cwidak
- Department of Surgery, Indiana University School of Medicine, South Bend, IN, United States
| | - Chloe Johnson
- University of Notre Dame, Notre Dame, IN, United States
| | | | | | - Niranjan Awasthi
- Department of Surgery, Indiana University School of Medicine, South Bend, IN, United States.,Harper Cancer Research Institute, South Bend, IN, United States
| | - Jun Li
- Harper Cancer Research Institute, South Bend, IN, United States.,University of Notre Dame, Notre Dame, IN, United States
| | - Margaret A Schwarz
- Harper Cancer Research Institute, South Bend, IN, United States.,Department of Pediatrics, Indiana University School of Medicine, South Bend, IN, United States
| | - Urs von Holzen
- Department of Surgery, Indiana University School of Medicine, South Bend, IN, United States.,Harper Cancer Research Institute, South Bend, IN, United States.,University of Basel, Basel, Switzerland.,Goshen Center for Cancer Care, Goshen, IN, United States
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94
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Xie Y, Zhang W, Guo L, Kril LM, Begley KL, Sviripa VM, Chen X, Liu X, Lee EY, He D, Wang C, Gao T, Liu X, Evers BM, Watt DS, Liu C. Potent Synergistic Effect on C-Myc-Driven Colorectal Cancers Using a Novel Indole-Substituted Quinoline with a Plk1 Inhibitor. Mol Cancer Ther 2021; 20:1893-1903. [PMID: 34376582 PMCID: PMC8492540 DOI: 10.1158/1535-7163.mct-20-1017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 03/24/2021] [Accepted: 07/23/2021] [Indexed: 11/16/2022]
Abstract
Developing effective treatments for colorectal cancers through combinations of small-molecule approaches and immunotherapies present intriguing possibilities for managing these otherwise intractable cancers. During a broad-based, screening effort against multiple colorectal cancer cell lines, we identified indole-substituted quinolines (ISQ), such as N7,N7 -dimethyl-3-(1-methyl-1H-indol-3-yl)quinoline-2,7-diamine (ISQ-1), as potent in vitro inhibitors of several cancer cell lines. We found that ISQ-1 inhibited Wnt signaling, a main driver in the pathway governing colorectal cancer development, and ISQ-1 also activated adenosine monophosphate kinase (AMPK), a cellular energy-homeostasis master regulator. We explored the effect of ISQs on cell metabolism. Seahorse assays measuring oxygen consumption rate (OCR) indicated that ISQ-1 inhibited complex I (i.e., NADH ubiquinone oxidoreductase) in the mitochondrial, electron transport chain (ETC). In addition, ISQ-1 treatment showed remarkable synergistic depletion of oncogenic c-Myc protein level in vitro and induced strong tumor remission in vivo when administered together with BI2536, a polo-like kinase-1 (Plk1) inhibitor. These studies point toward the potential value of dual drug therapies targeting the ETC and Plk-1 for the treatment of c-Myc-driven cancers.
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Affiliation(s)
- Yanqi Xie
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
| | - Wen Zhang
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
| | - Lichao Guo
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
- Center for Drug Innovation and Discovery, Hebei Normal University, Shijiazhuang, Hebei, People's Republic of China
| | - Liliia M Kril
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Lexington, Kentucky
| | - Kristin L Begley
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Lexington, Kentucky
| | - Vitaliy M Sviripa
- Center for Drug Innovation and Discovery, Hebei Normal University, Shijiazhuang, Hebei, People's Republic of China
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Lexington, Kentucky
| | - Xi Chen
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
- Center for Drug Innovation and Discovery, Hebei Normal University, Shijiazhuang, Hebei, People's Republic of China
| | - Xifu Liu
- Center for Drug Innovation and Discovery, Hebei Normal University, Shijiazhuang, Hebei, People's Republic of China
| | - Eun Y Lee
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
- Department of Pathology & Laboratory Medicine, College of Medicine, University of Kentucky, Lexington, Kentucky
| | - Daheng He
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
| | - Chi Wang
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
| | - Tianyan Gao
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
| | - Xiaoqi Liu
- Department of Toxicology and Cancer Biology, College of Medicine, University of Kentucky, Lexington, Kentucky
| | - B Mark Evers
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
- Department of Surgery, College of Medicine, University of Kentucky, Lexington, Kentucky
| | - David S Watt
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky.
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Lexington, Kentucky
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky
| | - Chunming Liu
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky.
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
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95
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Highlights on the Role of KRAS Mutations in Reshaping the Microenvironment of Pancreatic Adenocarcinoma. Int J Mol Sci 2021; 22:ijms221910219. [PMID: 34638560 PMCID: PMC8508406 DOI: 10.3390/ijms221910219] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 09/18/2021] [Accepted: 09/20/2021] [Indexed: 12/11/2022] Open
Abstract
The most frequent mutated oncogene family in the history of human cancer is the RAS gene family, including NRAS, HRAS, and, most importantly, KRAS. A hallmark of pancreatic cancer, recalcitrant cancer with a very low survival rate, is the prevalence of oncogenic mutations in the KRAS gene. Due to this fact, studying the function of KRAS and the impact of its mutations on the tumor microenvironment (TME) is a priority for understanding pancreatic cancer progression and designing novel therapeutic strategies for the treatment of the dismal disease. Despite some recent enlightening studies, there is still a wide gap in our knowledge regarding the impact of KRAS mutations on different components of the pancreatic TME. In this review, we will present an updated summary of mutant KRAS role in the initiation, progression, and modulation of the TME of pancreatic ductal adenocarcinoma (PDAC). This review will highlight the intriguing link between diabetes mellitus and PDAC, as well as vitamin D as an adjuvant effective therapy via TME modulation of PDAC. We will also discuss different ongoing clinical trials that use KRAS oncogene signaling network as therapeutic targets.
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96
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Li ZH, Yu D, Huang NN, Wu JK, Du XW, Wang XJ. Immunoregulatory mechanism studies of ginseng leaves on lung cancer based on network pharmacology and molecular docking. Sci Rep 2021; 11:18201. [PMID: 34521875 PMCID: PMC8440634 DOI: 10.1038/s41598-021-97115-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 08/17/2021] [Indexed: 02/08/2023] Open
Abstract
Panax ginseng is one of the oldest and most generally prescribed herbs in Eastern traditional medicine to treat diseases. Several studies had documented that ginseng leaves have anti-oxidative, anti-inflammatory, and anticancer properties similar to those of ginseng root. The aim of this research was to forecast of the molecular mechanism of ginseng leaves on lung cancer by molecular docking and network pharmacology so as to decipher ginseng leaves' entire mechanism. The compounds associated with ginseng leaves were searched by TCMSP. TCMSP and Swiss Target Prediction databases were used to sort out the potential targets of the main chemical components. Targets were collected from OMIM, PharmGKB, TTD, DrugBank and GeneCards which related to immunity and lung cancer. Ginseng leaves exert its lung cancer suppressive function by regulating the several signaling proteins, such as JUN, STAT3, AKT1, TNF, MAPK1, TP53. GO and KEGG analyses indicated that the immunoreaction against lung cancer by ginseng leaves might be related to response to lipopolysaccharide, response to oxidative stress, PI3K-Akt, MAPK and TNF pathway. Molecular docking analysis demonstrated that hydrogen bonding was interaction's core forms. The results of CCK8 test and qRT-PCR showed that ginseng leaves inhibit cell proliferation and regulates AKT1 and P53 expression in A549. The present study clarifies the mechanism of Ginseng leaves against lung cancer and provides evidence to support its clinical use.
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Affiliation(s)
- Zao-Hui Li
- Pharmacy College, Heilongjiang University of Chinese Medicine, 24 Heping Road, Harbin, 150040, China
- Jilin Agricultural Science and Technology University, 77 Hanlin Road, Jilin, 132101, China
| | - Dan Yu
- Pharmacy College, Heilongjiang University of Chinese Medicine, 24 Heping Road, Harbin, 150040, China
| | - Nan-Nan Huang
- Pharmacy College, Heilongjiang University of Chinese Medicine, 24 Heping Road, Harbin, 150040, China
| | - Jun-Kai Wu
- Pharmacy College, Heilongjiang University of Chinese Medicine, 24 Heping Road, Harbin, 150040, China
| | - Xiao-Wei Du
- Pharmacy College, Heilongjiang University of Chinese Medicine, 24 Heping Road, Harbin, 150040, China.
| | - Xi-Jun Wang
- Pharmacy College, Heilongjiang University of Chinese Medicine, 24 Heping Road, Harbin, 150040, China.
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97
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Aria H, Ghaedrahmati F, Ganjalikhani-Hakemi M. Cutting edge: Metabolic immune reprogramming, reactive oxygen species, and cancer. J Cell Physiol 2021; 236:6168-6189. [PMID: 33561318 DOI: 10.1002/jcp.30303] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 01/09/2021] [Accepted: 01/19/2021] [Indexed: 02/05/2023]
Abstract
A recently proposed term "immunometabolism" points to the functional intracellular metabolic changes that occur within different immune cells. Recent findings suggest that immune responses can be determined by the metabolic status of immune cells and metabolic reprogramming is an important feature of immune cell activation. Metabolic reprogramming is also well known for cancer cells and has been suggested as a major sign of cancer progression. Metabolic reprogramming of immune cells is also seen in the tumor microenvironment. In the past decade, immunometabolism has progressively become an extraordinarily vibrant and productive area of study in immunology because of its importance for immunotherapy. Understanding the immunometabolic situation of T cells and other immune cells along with the metabolic behavior of cancer cells can help us design new therapeutic approaches against cancers. Here, we have the aim to review the cutting-edge findings on the immunometabolic situation in immune and tumor cells. We discuss new findings on signaling pathways during metabolic reprogramming, its regulation, and the participation of reactive oxygen species in these processes.
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Affiliation(s)
- Hamid Aria
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Farhoodeh Ghaedrahmati
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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98
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Kang J, Brajanovski N, Chan KT, Xuan J, Pearson RB, Sanij E. Ribosomal proteins and human diseases: molecular mechanisms and targeted therapy. Signal Transduct Target Ther 2021; 6:323. [PMID: 34462428 PMCID: PMC8405630 DOI: 10.1038/s41392-021-00728-8] [Citation(s) in RCA: 125] [Impact Index Per Article: 41.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 07/12/2021] [Accepted: 07/30/2021] [Indexed: 02/07/2023] Open
Abstract
Ribosome biogenesis and protein synthesis are fundamental rate-limiting steps for cell growth and proliferation. The ribosomal proteins (RPs), comprising the structural parts of the ribosome, are essential for ribosome assembly and function. In addition to their canonical ribosomal functions, multiple RPs have extra-ribosomal functions including activation of p53-dependent or p53-independent pathways in response to stress, resulting in cell cycle arrest and apoptosis. Defects in ribosome biogenesis, translation, and the functions of individual RPs, including mutations in RPs have been linked to a diverse range of human congenital disorders termed ribosomopathies. Ribosomopathies are characterized by tissue-specific phenotypic abnormalities and higher cancer risk later in life. Recent discoveries of somatic mutations in RPs in multiple tumor types reinforce the connections between ribosomal defects and cancer. In this article, we review the most recent advances in understanding the molecular consequences of RP mutations and ribosomal defects in ribosomopathies and cancer. We particularly discuss the molecular basis of the transition from hypo- to hyper-proliferation in ribosomopathies with elevated cancer risk, a paradox termed "Dameshek's riddle." Furthermore, we review the current treatments for ribosomopathies and prospective therapies targeting ribosomal defects. We also highlight recent advances in ribosome stress-based cancer therapeutics. Importantly, insights into the mechanisms of resistance to therapies targeting ribosome biogenesis bring new perspectives into the molecular basis of cancer susceptibility in ribosomopathies and new clinical implications for cancer therapy.
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Affiliation(s)
- Jian Kang
- grid.1055.10000000403978434Division of Cancer Research, Peter MacCallum Cancer Centre, Melbourne, VIC Australia ,grid.1008.90000 0001 2179 088XSir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC Australia
| | - Natalie Brajanovski
- grid.1055.10000000403978434Division of Cancer Research, Peter MacCallum Cancer Centre, Melbourne, VIC Australia
| | - Keefe T. Chan
- grid.1055.10000000403978434Division of Cancer Research, Peter MacCallum Cancer Centre, Melbourne, VIC Australia ,grid.1008.90000 0001 2179 088XSir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC Australia
| | - Jiachen Xuan
- grid.1055.10000000403978434Division of Cancer Research, Peter MacCallum Cancer Centre, Melbourne, VIC Australia ,grid.1008.90000 0001 2179 088XSir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC Australia
| | - Richard B. Pearson
- grid.1055.10000000403978434Division of Cancer Research, Peter MacCallum Cancer Centre, Melbourne, VIC Australia ,grid.1008.90000 0001 2179 088XSir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC Australia ,grid.1002.30000 0004 1936 7857Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC Australia ,grid.1008.90000 0001 2179 088XDepartment of Biochemistry and Molecular Biology, University of Melbourne, Melbourne, VIC Australia
| | - Elaine Sanij
- grid.1055.10000000403978434Division of Cancer Research, Peter MacCallum Cancer Centre, Melbourne, VIC Australia ,grid.1008.90000 0001 2179 088XSir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC Australia ,grid.1008.90000 0001 2179 088XDepartment of Clinical Pathology, University of Melbourne, Melbourne, VIC Australia ,grid.1073.50000 0004 0626 201XSt. Vincent’s Institute of Medical Research, Fitzroy, VIC Australia
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99
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Vyas A, Harbison RA, Faden DL, Kubik M, Palmer D, Zhang Q, Osmanbeyoglu HU, Kiselyov K, Méndez E, Duvvuri U. Recurrent Human Papillomavirus-Related Head and Neck Cancer Undergoes Metabolic Reprogramming and Is Driven by Oxidative Phosphorylation. Clin Cancer Res 2021; 27:6250-6264. [PMID: 34407971 DOI: 10.1158/1078-0432.ccr-20-4789] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 05/10/2021] [Accepted: 08/03/2021] [Indexed: 11/16/2022]
Abstract
PURPOSE Human papillomavirus (HPV) infection drives the development of some head and neck squamous cell carcinomas (HNSCC). This disease is rapidly increasing in incidence worldwide. Although these tumors are sensitive to treatment, approximately 10% of patients fail therapy. However, the mechanisms that underlie treatment failure remain unclear. EXPERIMENTAL DESIGN We performed RNA sequencing (RNA-seq) on tissues from matched primary- (pHNSCC) and metachronous-recurrent cancers (rHNSCC) to identify transcriptional differences to gain mechanistic insight into the evolutionary adaptations of metachronous-recurrent tumors. We used HPV-related HNSCC cells lines to investigate the effect of (i) NRF2 overexpression on growth in vitro and in vivo, (ii) oxidative phosphorylation (OXPHOS) inhibition using IACS-010759 on NRF2-dependent cells, and (iii) combination of cisplatin and OXPHOS inhibition. RESULTS The OXPHOS pathway is enriched in recurrent HPV-associated HNSCC and may contribute to treatment failure. NRF2-enriched HNSCC samples from The Cancer Genome Atlas (TCGA) with enrichment in OXPHOS, fatty-acid metabolism, Myc, Mtor, reactive oxygen species (ROS), and glycolytic signaling networks exhibited worse survival. HPV-positive HNSCC cells demonstrated sensitivity to the OXPHOS inhibitor, in a NRF2-dependent manner. Further, using murine xenograft models, we identified NRF2 as a driver of tumor growth. Mechanistically, NRF2 drives ROS and mitochondrial respiration, and NRF2 is a critical regulator of redox homeostasis that can be crippled by disruption of OXPHOS. NRF2 also mediated cisplatin sensitivity in endogenously overexpressing primary HPV-related HNSCC cells. CONCLUSIONS These results unveil a paradigm-shifting translational target harnessing NRF2-mediated metabolic reprogramming in HPV-related HNSCC.
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Affiliation(s)
- Avani Vyas
- Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.,UPMC Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - R Alex Harbison
- Department of Otolaryngology, University of Washington School of Medicine, Seattle, Washington
| | - Daniel L Faden
- Department of Otolaryngology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts
| | - Mark Kubik
- Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Drake Palmer
- Department of Biological Sciences, Kenneth P. Dietrich School of Arts and Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Qing Zhang
- Genomics & Bioinformatics Shared Resources, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Hatice U Osmanbeyoglu
- Department of Biomedical Informatics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.,Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Kirill Kiselyov
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania
| | | | - Umamaheswar Duvvuri
- Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania. .,UPMC Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.,VA Pittsburgh Healthcare System, U.S. Department of Veterans Affairs, Pittsburgh, Pennsylvania
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100
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Jahangiri L, Pucci P, Ishola T, Trigg RM, Williams JA, Pereira J, Cavanagh ML, Turner SD, Gkoutos GV, Tsaprouni L. The Contribution of Autophagy and LncRNAs to MYC-Driven Gene Regulatory Networks in Cancers. Int J Mol Sci 2021; 22:ijms22168527. [PMID: 34445233 PMCID: PMC8395220 DOI: 10.3390/ijms22168527] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/30/2021] [Accepted: 08/05/2021] [Indexed: 12/12/2022] Open
Abstract
MYC is a target of the Wnt signalling pathway and governs numerous cellular and developmental programmes hijacked in cancers. The amplification of MYC is a frequently occurring genetic alteration in cancer genomes, and this transcription factor is implicated in metabolic reprogramming, cell death, and angiogenesis in cancers. In this review, we analyse MYC gene networks in solid cancers. We investigate the interaction of MYC with long non-coding RNAs (lncRNAs). Furthermore, we investigate the role of MYC regulatory networks in inducing changes to cellular processes, including autophagy and mitophagy. Finally, we review the interaction and mutual regulation between MYC and lncRNAs, and autophagic processes and analyse these networks as unexplored areas of targeting and manipulation for therapeutic gain in MYC-driven malignancies.
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Affiliation(s)
- Leila Jahangiri
- Department of Life Sciences, Birmingham City University, Birmingham B15 3TN, UK; (L.J.); (T.I.); (M.L.C.)
| | - Perla Pucci
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge CB2 0QQ, UK; (P.P.); (S.D.T.)
| | - Tala Ishola
- Department of Life Sciences, Birmingham City University, Birmingham B15 3TN, UK; (L.J.); (T.I.); (M.L.C.)
| | - Ricky M. Trigg
- Department of Functional Genomics, GlaxoSmithKline, Stevenage SG1 2NY, UK;
| | - John A. Williams
- Institute of Translational Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham B15 2TH, UK; (J.A.W.); (G.V.G.)
- Institute of Cancer and Genomic Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2SY, UK
| | - Joao Pereira
- Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA;
| | - Megan L. Cavanagh
- Department of Life Sciences, Birmingham City University, Birmingham B15 3TN, UK; (L.J.); (T.I.); (M.L.C.)
| | - Suzanne D. Turner
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge CB2 0QQ, UK; (P.P.); (S.D.T.)
- CEITEC, Masaryk University, 625 00 Brno, Czech Republic
| | - Georgios V. Gkoutos
- Institute of Translational Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham B15 2TH, UK; (J.A.W.); (G.V.G.)
- Institute of Cancer and Genomic Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2SY, UK
- Mammalian Genetics Unit, Medical Research Council Harwell Institute, Oxfordshire OX11 0RD, UK
- MRC Health Data Research, Birmingham B15 2TT, UK
- NIHR Experimental Cancer Medicine Centre, Birmingham B15 2TT, UK
- NIHR Surgical Reconstruction and Microbiology Research Centre, Birmingham B15 2TT, UK
- NIHR Biomedical Research Centre, Birmingham B15 2TT, UK
| | - Loukia Tsaprouni
- Department of Life Sciences, Birmingham City University, Birmingham B15 3TN, UK; (L.J.); (T.I.); (M.L.C.)
- Correspondence:
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