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Niba ETE, Awano H, Nishimura N, Koide H, Matsuo M, Shinohara M. Differential metabolic secretion between muscular dystrophy mouse-derived spindle cell sarcomas and rhabdomyosarcomas drives tumor type development. Am J Physiol Cell Physiol 2024; 327:C34-C47. [PMID: 38646787 DOI: 10.1152/ajpcell.00523.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 04/10/2024] [Accepted: 04/10/2024] [Indexed: 04/23/2024]
Abstract
The dystrophin gene (Dmd) is recognized for its significance in Duchenne muscular dystrophy (DMD), a lethal and progressive skeletal muscle disease. Some patients with DMD and model mice with muscular dystrophy (mdx) spontaneously develop various types of tumors, among which rhabdomyosarcoma (RMS) is the most prominent. By contrast, spindle cell sarcoma (SCS) has rarely been reported in patients or mdx mice. In this study, we aimed to use metabolomics to better understand the rarity of SCS development in mdx mice. Gas chromatography-mass spectrometry was used to compare the metabolic profiles of spontaneously developed SCS and RMS tumors from mdx mice, and metabolite supplementation assays and silencing experiments were used to assess the effects of metabolic differences in SCS tumor-derived cells. The levels of 75 metabolites exhibited differences between RMS and SCS, 25 of which were significantly altered. Further characterization revealed downregulation of nonessential amino acids, including alanine, in SCS tumors. Alanine supplementation enhanced the growth, epithelial mesenchymal transition, and invasion of SCS cells. Reduction of intracellular alanine via knockdown of the alanine transporter Slc1a5 reduced the growth of SCS cells. Lower metabolite secretion and reduced proliferation of SCS tumors may explain the lower detection rate of SCS in mdx mice. Targeting of alanine depletion pathways may have potential as a novel treatment strategy.NEW & NOTEWORTHY To the best of our knowledge, SCS has rarely been identified in patients with DMD or mdx mice. We observed that RMS and SCS tumors that spontaneously developed from mdx mice with the same Dmd genetic background exhibited differences in metabolic secretion. We proposed that, in addition to dystrophin deficiency, the levels of secreted metabolites may play a role in the determination of tumor-type development in a Dmd-deficient background.
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Affiliation(s)
- Emma Tabe Eko Niba
- Laboratory of Molecular and Biochemical Research, Biomedical Research Core Facilities, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Division of Molecular Epidemiology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Awano
- Organization for Research Initiative and Promotion, Research Initiative Center, Tottori University, Yonago, Japan
| | - Noriyuki Nishimura
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroshi Koide
- Laboratory of Molecular and Biochemical Research, Biomedical Research Core Facilities, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Masafumi Matsuo
- Graduate School of Science, Technology and Innovation , Kobe University, Kobe, Japan
| | - Masakazu Shinohara
- Division of Molecular Epidemiology, Kobe University Graduate School of Medicine, Kobe, Japan
- The Integrated Center for Mass Spectrometry, Kobe University Graduate School of Medicine, Kobe, Japan
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2
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Donen G, Milad N, Bernatchez P. Humanization of the mdx Mouse Phenotype for Duchenne Muscular Dystrophy Modeling: A Metabolic Perspective. J Neuromuscul Dis 2023; 10:1003-1012. [PMID: 37574742 PMCID: PMC10657711 DOI: 10.3233/jnd-230126] [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] [Accepted: 07/25/2023] [Indexed: 08/15/2023]
Abstract
Duchenne muscular dystrophy (DMD) is a severe form of muscular dystrophy (MD) that is characterized by early muscle wasting and lethal cardiorespiratory failure. While the mdx mouse is the most common model of DMD, it fails to replicate the severe loss of muscle mass and other complications observed in patients, in part due to the multiple rescue pathways found in mice. This led to several attempts at improving DMD animal models by interfering with these rescue pathways through double transgenic approaches, resulting in more severe phenotypes with mixed relevance to the human pathology. As a growing body of literature depicts DMD as a multi-system metabolic disease, improvements in mdx-based modeling of DMD may be achieved by modulating whole-body metabolism instead of muscle homeostasis. This review provides an overview of the established dual-transgenic approaches that exacerbate the mild mdx phenotype by primarily interfering with muscle homeostasis and highlights how advances in DMD modeling coincide with inducing whole-body metabolic changes. We focus on the DBA2/J strain-based D2.mdx mouse with heightened transforming growth factor (TGF)-β signaling and the dyslipidemic mdx/apolipoprotein E (mdx/ApoE) knock-out (KO) mouse, and summarize how these novel models emulate the metabolic changes observed in DMD.
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Affiliation(s)
| | | | - Pascal Bernatchez
- Correspondence to: Dr. Pascal Bernatchez, Department of Anesthesiology, Pharmacology & Therapeutics, University of British Columbia, 2176 Health Sciences mall, room 217, Vancouver BC, V6T 1Z3, Canada. Tel.: +1 604 806 8346 /Ext.66060; E-mail:
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3
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Winter L, Kustermann M, Ernhofer B, Höger H, Bittner RE, Schmidt WM. Proteins implicated in muscular dystrophy and cancer are functional constituents of the centrosome. Life Sci Alliance 2022; 5:e202201367. [PMID: 35790299 PMCID: PMC9259872 DOI: 10.26508/lsa.202201367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 06/21/2022] [Accepted: 06/22/2022] [Indexed: 12/02/2022] Open
Abstract
Aberrant expression of dystrophin, utrophin, dysferlin, or calpain-3 was originally identified in muscular dystrophies (MDs). Increasing evidence now indicates that these proteins might act as tumor suppressors in myogenic and non-myogenic cancers. As DNA damage and somatic aneuploidy, hallmarks of cancer, are early pathological signs in MDs, we hypothesized that a common pathway might involve the centrosome. Here, we show that dystrophin, utrophin, dysferlin, and calpain-3 are functional constituents of the centrosome. In myoblasts, lack of any of these proteins caused excess centrosomes, centrosome misorientation, nuclear abnormalities, and impaired microtubule nucleation. In dystrophin double-mutants, these defects were significantly aggravated. Moreover, we demonstrate that also in non-myogenic cells, all four MD-related proteins localize to the centrosome, including the muscle-specific full-length dystrophin isoform. Therefore, MD-related proteins might share a convergent function at the centrosome in addition to their diverse, well-established muscle-specific functions. Thus, our findings support the notion that cancer-like centrosome-related defects underlie MDs and establish a novel concept linking MDs to cancer.
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Affiliation(s)
- Lilli Winter
- Neuromuscular Research Department, Center for Anatomy and Cell Biology, Medical University of Vienna, Vienna, Austria
| | - Monika Kustermann
- Neuromuscular Research Department, Center for Anatomy and Cell Biology, Medical University of Vienna, Vienna, Austria
| | - Büsra Ernhofer
- Neuromuscular Research Department, Center for Anatomy and Cell Biology, Medical University of Vienna, Vienna, Austria
| | - Harald Höger
- Division for Laboratory Animal Science and Genetics, Medical University of Vienna, Himberg, Austria
| | - Reginald E Bittner
- Neuromuscular Research Department, Center for Anatomy and Cell Biology, Medical University of Vienna, Vienna, Austria
| | - Wolfgang M Schmidt
- Neuromuscular Research Department, Center for Anatomy and Cell Biology, Medical University of Vienna, Vienna, Austria
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Montagna C, Filomeni G. Looking at denitrosylation to understand the myogenesis gone awry theory of rhabdomyosarcoma. Nitric Oxide 2022; 122-123:1-5. [PMID: 35182743 DOI: 10.1016/j.niox.2022.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/26/2022] [Accepted: 02/08/2022] [Indexed: 10/19/2022]
Abstract
S-nitrosylation of proteins is a nitric oxide (NO)-based post-translational modification of cysteine residues. By removing the NO moiety from S-nitrosothiol adducts, denitrosylases restore sulfhydryl protein pool and act as downstream tuners of S-nitrosylation signaling. Alterations in the S-nitrosylation/denitrosylation dynamics are implicated in many pathological states, including cancer ontogenesis and progression, skeletal muscle myogenesis and function. Here, we aim to provide and link different lines of evidence, and elaborate on the possible role of S-nitrosylation/denitrosylation signaling in rhabdomyosarcoma, one of the most common pediatric mesenchymal malignancy.
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Affiliation(s)
- Costanza Montagna
- Department of Biology, Tor Vergata University, Rome, Italy; Unicamillus-Saint Camillus University of Health Sciences, Rome, Italy.
| | - Giuseppe Filomeni
- Department of Biology, Tor Vergata University, Rome, Italy; Redox Signaling and Oxidative Stress Group, Danish Cancer Society Research Center, Copenhagen, Denmark; Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Denmark.
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5
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Chandler E, Rawson L, Debski R, McGowan K, Lakhotia A. Rhabdomyosarcoma in a Patient With Duchenne Muscular Dystrophy: A Possible Association. Child Neurol Open 2021; 8:2329048X211041471. [PMID: 34805447 PMCID: PMC8600378 DOI: 10.1177/2329048x211041471] [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: 06/22/2021] [Revised: 07/22/2021] [Accepted: 08/05/2021] [Indexed: 11/17/2022] Open
Abstract
Duchenne muscular dystrophy (DMD), caused by a mutation in the DMD gene, is known to be associated with co-morbidities including cardiomyopathy, respiratory failure, neuromuscular scoliosis and intellectual disability. Animal studies have explored the susceptibility of dystrophin-deficient mice with the development of myogenic tumors. While there is adequate literature describing both DMD and rhabdomyosarcoma (RMS) separately, there has yet to be a comprehensive literature review investigating the possibility that patients with DMD may be at a higher risk of developing RMS and other myogenic tumors. We present the case of a pediatric patient with DMD who developed alveolar RMS and review the literature for susceptibility to development of myogenic tumors in cases of DMD gene mutation.
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Affiliation(s)
- Erika Chandler
- University of Louisville, Louisville, USA
- Erika Chandler, Child Neurology, University of Louisville, Louisville, USA.
| | | | | | - Kerry McGowan
- University of Louisville, Louisville, USA
- Norton Children’s Medical Group, Louisville, USA
| | - Arpita Lakhotia
- University of Louisville, Louisville, USA
- Norton Children’s Medical Group, Louisville, USA
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Peng LS, Li ZM, Chen G, Liu FY, Luo Y, Guo JB, Gao GD, Deng YH, Xu LX, Zhou JY, Zou Y. Frequent DYSF rare variants/mutations in 152 Han Chinese samples with ovarian endometriosis. Arch Gynecol Obstet 2021; 304:671-677. [PMID: 33987686 DOI: 10.1007/s00404-021-06094-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 05/06/2021] [Indexed: 10/21/2022]
Abstract
PURPOSE Endometriosis is a common chronic gynecological disease greatly affecting women health. Prior studies have implicated that dysferlin (DYSF) aberration might be involved in the pathogenesis of ovarian endometriosis. In the present study, we explore the potential presence of DYSF mutations in a total of 152 Han Chinese samples with ovarian endometriosis. METHODS We analyze the potential presence of DYSF mutations by direct DNA sequencing. RESULTS A total of seven rare variants/mutations in the DYSF gene in 10 out of 152 samples (6.6%) were identified, including 5 rare variants and 2 novel mutations. For the 5 rare variants, p.R334W and p.G941S existed in 2 samples, p.R865W, p.R1173H and p.G1531S existed in single sample, respectively; for the two novel mutations, p.W352* and p.I1642F, they were identified in three patients. These rare variants/mutations were absent or existed at extremely low frequency either in our 1006 local control women without endometriosis, or in the China Metabolic Analytics Project (ChinaMAP) and Genome Aggregation Database (gnomAD) databases. Evolutionary conservation analysis results suggested that all of these rare variants/mutations were evolutionarily conserved among 11 vertebrate species from Human to Fox. Furthermore, in silico analysis results suggested these rare variants/mutations were disease-causing. Nevertheless, we find no significant association between DYSF rare variants/mutations and the clinical features in our patients. To our knowledge, this is the first report revealing frequent DYSF mutations in ovarian endometriosis. CONCLUSION We identified a high frequency of DYSF rare variants/mutations in ovarian endometriosis for the first time. This study suggests a new correlation between DYSF rare variants/mutations and ovarian endometriosis, implicating DYSF rare variants/mutations might be positively involved in the pathogenesis of ovarian endometriosis.
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Affiliation(s)
- Li-Sha Peng
- Key Laboratory of Women's Reproductive Health of Jiangxi Province, Department of Gynecology, Jiangxi Provincial Maternal and Child Health Hospital, No 318 Bayi Avenue, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Zeng-Ming Li
- Key Laboratory of Women's Reproductive Health of Jiangxi Province, Department of Gynecology, Jiangxi Provincial Maternal and Child Health Hospital, No 318 Bayi Avenue, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Ge Chen
- Key Laboratory of Women's Reproductive Health of Jiangxi Province, Department of Gynecology, Jiangxi Provincial Maternal and Child Health Hospital, No 318 Bayi Avenue, Nanchang, 330006, Jiangxi, People's Republic of China.,Central Lab, Jiangxi Provincial Maternal and Child Health Hospital, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Fa-Ying Liu
- Key Laboratory of Women's Reproductive Health of Jiangxi Province, Department of Gynecology, Jiangxi Provincial Maternal and Child Health Hospital, No 318 Bayi Avenue, Nanchang, 330006, Jiangxi, People's Republic of China.,Central Lab, Jiangxi Provincial Maternal and Child Health Hospital, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Yong Luo
- Key Laboratory of Women's Reproductive Health of Jiangxi Province, Department of Gynecology, Jiangxi Provincial Maternal and Child Health Hospital, No 318 Bayi Avenue, Nanchang, 330006, Jiangxi, People's Republic of China.,Central Lab, Jiangxi Provincial Maternal and Child Health Hospital, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Jiu-Bai Guo
- Key Laboratory of Women's Reproductive Health of Jiangxi Province, Department of Gynecology, Jiangxi Provincial Maternal and Child Health Hospital, No 318 Bayi Avenue, Nanchang, 330006, Jiangxi, People's Republic of China.,Department of Gynecology, Jiangxi Provincial Maternal and Child Health Hospital, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Guo-Dong Gao
- Department of Clinical Medicine, Jiangxi Provincial Maternal and Child Health Hospital, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Ying-Hui Deng
- Department of Pathology, Jiangxi Provincial Maternal and Child Health Hospital, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Li-Xian Xu
- Key Laboratory of Women's Reproductive Health of Jiangxi Province, Department of Gynecology, Jiangxi Provincial Maternal and Child Health Hospital, No 318 Bayi Avenue, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Jiang-Yan Zhou
- Key Laboratory of Women's Reproductive Health of Jiangxi Province, Department of Gynecology, Jiangxi Provincial Maternal and Child Health Hospital, No 318 Bayi Avenue, Nanchang, 330006, Jiangxi, People's Republic of China. .,Department of Gynecology, Jiangxi Provincial Maternal and Child Health Hospital, Nanchang, 330006, Jiangxi, People's Republic of China.
| | - Yang Zou
- Key Laboratory of Women's Reproductive Health of Jiangxi Province, Department of Gynecology, Jiangxi Provincial Maternal and Child Health Hospital, No 318 Bayi Avenue, Nanchang, 330006, Jiangxi, People's Republic of China. .,Central Lab, Jiangxi Provincial Maternal and Child Health Hospital, Nanchang, 330006, Jiangxi, People's Republic of China.
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7
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Jones L, Naidoo M, Machado LR, Anthony K. The Duchenne muscular dystrophy gene and cancer. Cell Oncol (Dordr) 2021; 44:19-32. [PMID: 33188621 PMCID: PMC7906933 DOI: 10.1007/s13402-020-00572-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/23/2020] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Mutation of the Duchenne muscular dystrophy (DMD) gene causes Duchenne and Becker muscular dystrophy, degenerative neuromuscular disorders that primarily affect voluntary muscles. However, increasing evidence implicates DMD in the development of all major cancer types. DMD is a large gene with 79 exons that codes for the essential muscle protein dystrophin. Alternative promotor usage drives the production of several additional dystrophin protein products with roles that extend beyond skeletal muscle. The importance and function(s) of these gene products outside of muscle are not well understood. CONCLUSIONS We highlight a clear role for DMD in the pathogenesis of several cancers, including sarcomas, leukaemia's, lymphomas, nervous system tumours, melanomas and various carcinomas. We note that the normal balance of DMD gene products is often disrupted in cancer. The short dystrophin protein Dp71 is, for example, typically maintained in cancer whilst the full-length Dp427 gene product, a likely tumour suppressor, is frequently inactivated in cancer due to a recurrent loss of 5' exons. Therefore, the ratio of short and long gene products may be important in tumorigenesis. In this review, we summarise the tumours in which DMD is implicated and provide a hypothesis for possible mechanisms of tumorigenesis, although the question of cause or effect may remain. We hope to stimulate further study into the potential role of DMD gene products in cancer and the development of novel therapeutics that target DMD.
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Affiliation(s)
- Leanne Jones
- Centre for Physical Activity and Life Sciences, University of Northampton, University Drive, Northampton, NN1 5PH, UK
| | - Michael Naidoo
- Centre for Physical Activity and Life Sciences, University of Northampton, University Drive, Northampton, NN1 5PH, UK
| | - Lee R Machado
- Centre for Physical Activity and Life Sciences, University of Northampton, University Drive, Northampton, NN1 5PH, UK
- Department of Genetics and Genome Science, University of Leicester, LE1 7RH, Leicester, UK
| | - Karen Anthony
- Centre for Physical Activity and Life Sciences, University of Northampton, University Drive, Northampton, NN1 5PH, UK.
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Abstract
Significance: Senescence is a cellular state induced by internal or external stimuli, which result in cell cycle arrest, morphological changes, and dysfunctions in mitochondrial and lysosomal functionality as well as the senescence-associated secretory phenotype. Senescent cells accumulate in tissues in physiological and pathological conditions such as development, tissue repair, aging, and cancer. Recent Advances: Growing evidences indicate that senescent cells in vivo are a heterogeneous cell population due to different cell-autonomous activated pathways and distinct microenvironmental contexts. Critical Issues: In this review, we discuss the different contexts where senescence assumes a key role with beneficial or harmful outcomes. The heterogeneous nature of senescence pushes toward resolution of the specific molecular profile and secretome to typify senescent cells in physiological and pathological contexts. Future Directions: Future research will enable exploring the heterogeneity of the senescent population to precisely map the progression of cells through senescent trajectories and study the impact of the therapeutic advantage of senolytic drugs for translational strategies toward supporting the health span. Antioxid. Redox Signal. 34, 294-307.
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Affiliation(s)
- Alessandra Sacco
- Development, Aging and Regeneration Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California, USA
| | - Laura Belloni
- Department of Internal, Anesthesiological and Cardiovascular Clinical Sciences, Sapienza University of Rome, Rome, Italy
| | - Lucia Latella
- Epigenetics and Regenerative Medicine, IRCCS Fondazione Santa Lucia, Rome, Italy.,Institute of Translational Pharmacology, National Research Council of Italy, Rome, Italy
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Sztretye M, Szabó L, Dobrosi N, Fodor J, Szentesi P, Almássy J, Magyar ZÉ, Dienes B, Csernoch L. From Mice to Humans: An Overview of the Potentials and Limitations of Current Transgenic Mouse Models of Major Muscular Dystrophies and Congenital Myopathies. Int J Mol Sci 2020; 21:ijms21238935. [PMID: 33255644 PMCID: PMC7728138 DOI: 10.3390/ijms21238935] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/19/2020] [Accepted: 11/20/2020] [Indexed: 12/24/2022] Open
Abstract
Muscular dystrophies are a group of more than 160 different human neuromuscular disorders characterized by a progressive deterioration of muscle mass and strength. The causes, symptoms, age of onset, severity, and progression vary depending on the exact time point of diagnosis and the entity. Congenital myopathies are rare muscle diseases mostly present at birth that result from genetic defects. There are no known cures for congenital myopathies; however, recent advances in gene therapy are promising tools in providing treatment. This review gives an overview of the mouse models used to investigate the most common muscular dystrophies and congenital myopathies with emphasis on their potentials and limitations in respect to human applications.
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10
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Comprehensive Analysis of Long Non-coding RNA-Associated Competing Endogenous RNA Network in Duchenne Muscular Dystrophy. Interdiscip Sci 2020; 12:447-460. [PMID: 32876881 DOI: 10.1007/s12539-020-00388-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 08/18/2020] [Accepted: 08/24/2020] [Indexed: 12/20/2022]
Abstract
Duchenne muscular dystrophy (DMD) is one of the most severe neuromuscular disorders. Long non-coding RNAs (lncRNAs) are a group of non-coding transcripts, which could regulate messenger RNA (mRNA) by binding the mutual miRNAs, thus acting as competing endogenous RNAs (ceRNAs). So far, the role of lncRNA in DMD pathogenesis remains unclear. In the current study, expression profile from a total of 33 DMD patients and 12 healthy people were downloaded from Gene Expression Omnibus (GEO) database (GSE38417 and GSE109178). Differentially expressed (DE) lncRNAs were discovered and targeted mRNAs were predicted. The ceRNA network of lncRNAs-miRNAs-mRNAs was then constructed. Genome Ontology (GO) enrichment and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses of the putative mRNAs in the ceRNA network were performed through Database for Annotation, Visualization and Integration Discovery (DAVID) website. Topological property of the network was analyzed using Cytoscape to disclose the hub lncRNAs. According to our assessments, 19 common DElncRNAs and 846 common DEmRNAs were identified in DMD compared to controls. The created ceRNA network contained 6 lncRNA nodes, 69 mRNA nodes, 27 miRNA nodes and 102 edges, while four hub lncRNAs (XIST, AL132709, LINC00310, ALDH1L1-AS2) were uncovered. In conclusion, our latest bioinformatic analysis demonstrated that lncRNA is likely involved in DMD. This work highlights the importance of lncRNA and provides new insights for exploring the molecular mechanism of DMD. The created ceRNA network contained 6 lncRNA nodes, 69 mRNA nodes, 27 miRNA nodes and 102 edges, while four hub lncRNAs (XIST, AL132709, LINC00310, ALDH1L1-AS2) were uncovered. Remarkably, KEGG analysis indicated that targeted mRNAs in the network were mainly enriched in "microRNAs in cancer" and "proteoglycans in cancer". Our study may offer novel perspectives on the pathogenesis of DMD from the point of lncRNAs. This work might be also conducive for exploring the molecular mechanism of increased incidence of tumorigenesis reported in DMD patients and experimental models.
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11
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Boscolo Sesillo F, Fox D, Sacco A. Muscle Stem Cells Give Rise to Rhabdomyosarcomas in a Severe Mouse Model of Duchenne Muscular Dystrophy. Cell Rep 2020; 26:689-701.e6. [PMID: 30650360 DOI: 10.1016/j.celrep.2018.12.089] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 10/09/2018] [Accepted: 12/19/2018] [Indexed: 12/17/2022] Open
Abstract
Most human cancers originate from high-turnover tissues, while low-proliferating tissues, like skeletal muscle, exhibit a lower incidence of tumor development. In Duchenne muscular dystrophy (DMD), which induces increased skeletal muscle regeneration, tumor incidence is increased. Rhabdomyosarcomas (RMSs), a rare and aggressive type of soft tissue sarcoma, can develop in this context, but the impact of DMD severity on RMS development and its cell of origin are poorly understood. Here, we show that RMS latency is affected by DMD severity and that muscle stem cells (MuSCs) can give rise to RMS in dystrophic mice. We report that even before tumor formation, MuSCs exhibit increased self-renewal and an expression signature associated with RMSs. These cells can form tumorspheres in vitro and give rise to RMSs in vivo. Finally, we show that the inflammatory genes Ccl11 and Rgs5 are involved in RMS growth. Together, our results show that DMD severity drives MuSC-mediated RMS development.
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Affiliation(s)
- Francesca Boscolo Sesillo
- Graduate School of Biomedical Sciences, Sanford Burnham Prebys Medical Discovery Institute, 10901 N. Torrey Pines Road, La Jolla, CA 92037, USA; Development, Aging and Regeneration Program, Sanford Burnham Prebys Medical Discovery Institute, 10901 N. Torrey Pines Road, La Jolla, CA 92037, USA
| | - David Fox
- Development, Aging and Regeneration Program, Sanford Burnham Prebys Medical Discovery Institute, 10901 N. Torrey Pines Road, La Jolla, CA 92037, USA
| | - Alessandra Sacco
- Development, Aging and Regeneration Program, Sanford Burnham Prebys Medical Discovery Institute, 10901 N. Torrey Pines Road, La Jolla, CA 92037, USA.
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12
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Law ML, Cohen H, Martin AA, Angulski ABB, Metzger JM. Dysregulation of Calcium Handling in Duchenne Muscular Dystrophy-Associated Dilated Cardiomyopathy: Mechanisms and Experimental Therapeutic Strategies. J Clin Med 2020; 9:jcm9020520. [PMID: 32075145 PMCID: PMC7074327 DOI: 10.3390/jcm9020520] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 02/06/2020] [Indexed: 02/07/2023] Open
Abstract
: Duchenne muscular dystrophy (DMD) is an X-linked recessive disease resulting in the loss of dystrophin, a key cytoskeletal protein in the dystrophin-glycoprotein complex. Dystrophin connects the extracellular matrix with the cytoskeleton and stabilizes the sarcolemma. Cardiomyopathy is prominent in adolescents and young adults with DMD, manifesting as dilated cardiomyopathy (DCM) in the later stages of disease. Sarcolemmal instability, leading to calcium mishandling and overload in the cardiac myocyte, is a key mechanistic contributor to muscle cell death, fibrosis, and diminished cardiac contractile function in DMD patients. Current therapies for DMD cardiomyopathy can slow disease progression, but they do not directly target aberrant calcium handling and calcium overload. Experimental therapeutic targets that address calcium mishandling and overload include membrane stabilization, inhibition of stretch-activated channels, ryanodine receptor stabilization, and augmentation of calcium cycling via modulation of the Serca2a/phospholamban (PLN) complex or cytosolic calcium buffering. This paper addresses what is known about the mechanistic basis of calcium mishandling in DCM, with a focus on DMD cardiomyopathy. Additionally, we discuss currently utilized therapies for DMD cardiomyopathy, and review experimental therapeutic strategies targeting the calcium handling defects in DCM and DMD cardiomyopathy.
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Affiliation(s)
- Michelle L. Law
- Department of Family and Consumer Sciences, Robbins College of Health and Human Sciences, Baylor University, Waco, TX 76706, USA;
| | - Houda Cohen
- Department of Integrative Biology and Physiology, University of Minnesota Medical School, Minneapolis, MN 55455, USA; (H.C.); (A.A.M.); (A.B.B.A.)
| | - Ashley A. Martin
- Department of Integrative Biology and Physiology, University of Minnesota Medical School, Minneapolis, MN 55455, USA; (H.C.); (A.A.M.); (A.B.B.A.)
| | - Addeli Bez Batti Angulski
- Department of Integrative Biology and Physiology, University of Minnesota Medical School, Minneapolis, MN 55455, USA; (H.C.); (A.A.M.); (A.B.B.A.)
| | - Joseph M. Metzger
- Department of Integrative Biology and Physiology, University of Minnesota Medical School, Minneapolis, MN 55455, USA; (H.C.); (A.A.M.); (A.B.B.A.)
- Correspondence: ; Tel.: +1-612-625-5902; Fax: +1-612-625-5149
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13
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Gallia GL, Zhang M, Ning Y, Haffner MC, Batista D, Binder ZA, Bishop JA, Hann CL, Hruban RH, Ishii M, Klein AP, Reh DD, Rooper LM, Salmasi V, Tamargo RJ, Wang Q, Williamson T, Zhao T, Zou Y, Meeker AK, Agrawal N, Vogelstein B, Kinzler KW, Papadopoulos N, Bettegowda C. Genomic analysis identifies frequent deletions of Dystrophin in olfactory neuroblastoma. Nat Commun 2018; 9:5410. [PMID: 30575736 PMCID: PMC6303314 DOI: 10.1038/s41467-018-07578-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 10/23/2018] [Indexed: 12/16/2022] Open
Abstract
Olfactory neuroblastoma (ONB) is a rare malignant neoplasm arising in the upper portion of the sinonasal cavity. To better understand the genetic bases for ONB, here we perform whole exome and whole genome sequencing as well as single nucleotide polymorphism array analyses in a series of ONB patient samples. Deletions involving the dystrophin (DMD) locus are found in 12 of 14 (86%) tumors. Interestingly, one of the remaining tumors has a deletion in LAMA2, bringing the number of ONBs with deletions of genes involved in the development of muscular dystrophies to 13 or 93%. This high prevalence implicates an unexpected functional role for genes causing hereditary muscular dystrophies in ONB.
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Affiliation(s)
- Gary L Gallia
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA. .,Department of Otolaryngology - Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA. .,Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA.
| | - Ming Zhang
- Ludwig Center for Cancer Genetics and Therapeutics, Department of Oncology and Pathology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Yi Ning
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Michael C Haffner
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Denise Batista
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Zev A Binder
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA.,Department of Neurosurgery, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Justin A Bishop
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA.,Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Christine L Hann
- Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Ralph H Hruban
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Masaru Ishii
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA.,Department of Otolaryngology - Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Alison P Klein
- Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA.,Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Douglas D Reh
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA.,Department of Otolaryngology - Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Lisa M Rooper
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Vafi Salmasi
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA.,Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, Palo Alto, CA, 94305, USA
| | - Rafael J Tamargo
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA.,Department of Otolaryngology - Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Qing Wang
- Ludwig Center for Cancer Genetics and Therapeutics, Department of Oncology and Pathology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Tara Williamson
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Tianna Zhao
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Ying Zou
- Department of Pathology, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Alan K Meeker
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Nishant Agrawal
- Department of Otolaryngology - Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA.,Department of Surgery, Division of Otolaryngology and Head and Neck Surgery, University of Chicago, Chicago, IL, 60637, USA
| | - Bert Vogelstein
- Ludwig Center for Cancer Genetics and Therapeutics, Department of Oncology and Pathology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA.,Howard Hughes Medical Institutes, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Kenneth W Kinzler
- Ludwig Center for Cancer Genetics and Therapeutics, Department of Oncology and Pathology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Nickolas Papadopoulos
- Ludwig Center for Cancer Genetics and Therapeutics, Department of Oncology and Pathology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA.
| | - Chetan Bettegowda
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA. .,Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA. .,Ludwig Center for Cancer Genetics and Therapeutics, Department of Oncology and Pathology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA. .,Department of Radiation Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA.
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14
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Luce LN, Abbate M, Cotignola J, Giliberto F. Non-myogenic tumors display altered expression of dystrophin (DMD) and a high frequency of genetic alterations. Oncotarget 2018; 8:145-155. [PMID: 27391342 PMCID: PMC5352069 DOI: 10.18632/oncotarget.10426] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Accepted: 06/02/2016] [Indexed: 01/17/2023] Open
Abstract
DMD gene mutations have been associated with the development of Dystrophinopathies. Interestingly, it has been recently reported that DMD is involved in the development and progression of myogenic tumors, assigning DMD a tumor suppressor activity in these types of cancer. However, there are only few reports that analyze DMD in non-myogenic tumors. Our study was designed to examine DMD expression and genetic alterations in non-myogenic tumors using public repositories. We also evaluated the overall survival of patients with and without DMD mutations. We studied 59 gene expression microarrays (GEO database) and RNAseq (cBioPortal) datasets that included 9817 human samples. We found reduced DMD expression in 15/27 (56%) pairwise comparisons performed (Fold-Change (FC) ≤ 0.70; p-value range = 0.04-1.5x10-20). The analysis of RNAseq studies revealed a median frequency of DMD genetic alterations of 3.4%, higher or similar to other well-known tumor suppressor genes. In addition, we observed significant poorer overall survival for patients with DMD mutations. The analyses of paired tumor/normal tissues showed that the majority of tumor specimens had lower DMD expression compared to their normal adjacent counterpart. Interestingly, statistical significant over-expression of DMD was found in 6/27 studies (FC ≥ 1.4; p-value range = 0.03-3.4x10-15). These results support that DMD expression and genetic alterations are frequent and relevant in non-myogenic tumors. The study and validation of DMD as a new player in tumor development and as a new prognostic factor for tumor progression and survival are warranted.
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Affiliation(s)
- Leonela N Luce
- INIGEM, CONICET / Cátedra de Genética y Biología Molecular, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
| | - Mercedes Abbate
- IQUIBICEN, CONICET / Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina
| | - Javier Cotignola
- IQUIBICEN, CONICET / Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina
| | - Florencia Giliberto
- INIGEM, CONICET / Cátedra de Genética y Biología Molecular, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
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15
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Nagy N, Nonneman RJ, Llanga T, Dial CF, Riddick NV, Hampton T, Moy SS, Lehtimäki KK, Ahtoniemi T, Puoliväli J, Windish H, Albrecht D, Richard I, Hirsch ML. Hip region muscular dystrophy and emergence of motor deficits in dysferlin-deficient Bla/J mice. Physiol Rep 2017; 5:5/6/e13173. [PMID: 28320887 PMCID: PMC5371557 DOI: 10.14814/phy2.13173] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 01/19/2017] [Accepted: 01/22/2017] [Indexed: 11/24/2022] Open
Abstract
The identification of a dysferlin‐deficient animal model that accurately displays both the physiological and behavior aspects of human dysferlinopathy is critical for the evaluation of potential therapeutics. Disease progression in dysferlin‐deficient mice is relatively mild, compared to the debilitating human disease which manifests in impairment of particular motor functions. Since there are no other known models of dysferlinopathy in other species, locomotor proficiency and muscular anatomy through MRI (both lower leg and hip region) were evaluated in dysferlin‐deficient B6.A‐Dysfprmd/GeneJ (Bla/J) mice to define disease parameters for therapeutic assessment. Despite the early and progressive gluteal muscle dystrophy and significant fatty acid accumulation, the emergence of significant motor function deficits was apparent at approximately 1 year of age for standard motor challenges including the rotarod, a marble bury test, grip strength, and swimming speed. Earlier observations of decreased performance for Bla/J mice were evident during extended monitoring of overall exploration and rearing activity. Comprehensive treadmill gait analyses of the Bla/J model indicated significant differences in paw placement angles and stance in relation to speed and platform slope. At 18 months of age, there was no significant difference in the life expectancy of Bla/J mice compared to wild type. Consistent with progressive volume loss and fatty acid accumulation in the hip region observed by MRI, mass measurement of individual muscles confirmed gluteal and psoas muscles were the only muscles demonstrating a significant decrease in muscle mass, which is analogous to hip‐girdle weakness observed in human dysferlin‐deficient patients. Collectively, this longitudinal analysis identifies consistent disease parameters that can be indicators of efficacy in studies developing treatments for human dysferlin deficiency.
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Affiliation(s)
- Nadia Nagy
- Gene Therapy Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.,Department of Ophthalmology, University of North Carolina, Chapel Hill, North Carolina
| | - Randal J Nonneman
- Department of Psychiatry, University of North Carolina, Chapel Hill, North Carolina
| | - Telmo Llanga
- Gene Therapy Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.,Department of Ophthalmology, University of North Carolina, Chapel Hill, North Carolina
| | - Catherine F Dial
- Gene Therapy Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.,Department of Ophthalmology, University of North Carolina, Chapel Hill, North Carolina
| | - Natallia V Riddick
- Department of Psychiatry, University of North Carolina, Chapel Hill, North Carolina
| | | | - Sheryl S Moy
- Department of Psychiatry, University of North Carolina, Chapel Hill, North Carolina
| | | | | | | | | | | | - Isabelle Richard
- Généthon [IR1] INSERM, U951, INTEGRARE Research Unit, Evry, France
| | - Matthew L Hirsch
- Gene Therapy Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina .,Department of Ophthalmology, University of North Carolina, Chapel Hill, North Carolina
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16
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Pan-cancer analysis of homozygous deletions in primary tumours uncovers rare tumour suppressors. Nat Commun 2017; 8:1221. [PMID: 29089486 PMCID: PMC5663922 DOI: 10.1038/s41467-017-01355-0] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2013] [Accepted: 09/12/2017] [Indexed: 11/23/2022] Open
Abstract
Homozygous deletions are rare in cancers and often target tumour suppressor genes. Here, we build a compendium of 2218 primary tumours across 12 human cancer types and systematically screen for homozygous deletions, aiming to identify rare tumour suppressors. Our analysis defines 96 genomic regions recurrently targeted by homozygous deletions. These recurrent homozygous deletions occur either over tumour suppressors or over fragile sites, regions of increased genomic instability. We construct a statistical model that separates fragile sites from regions showing signatures of positive selection for homozygous deletions and identify candidate tumour suppressors within those regions. We find 16 established tumour suppressors and propose 27 candidate tumour suppressors. Several of these genes (including MGMT, RAD17, and USP44) show prior evidence of a tumour suppressive function. Other candidate tumour suppressors, such as MAFTRR, KIAA1551, and IGF2BP2, are novel. Our study demonstrates how rare tumour suppressors can be identified through copy number meta-analysis. Homozygous deletions are rare in cancers and often target tumour suppressor genes. Here, the authors conduct pan-cancer analyses and apply statistical modelling to identify 27 candidate tumour suppressors, including MAFTRR, KIAA1551, and IGF2BP2.
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17
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Increased FSHD region gene1 expression reduces in vitro cell migration, invasion, and angiogenesis, ex vivo supported by reduced expression in tumors. Biosci Rep 2017; 37:BSR20171062. [PMID: 28947680 PMCID: PMC5665614 DOI: 10.1042/bsr20171062] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 09/19/2017] [Accepted: 09/20/2017] [Indexed: 11/17/2022] Open
Abstract
Facioscapulohumeral muscular dystrophy (FSHD) region gene 1 (FRG1) is a candidate gene for FSHD. FRG1 regulates various muscle-related functions, but studies have proposed its role in development and angiogenesis also, where it is involved with tumor-associated molecules. Therefore, we decided to look into its role in tumor progression, tumor angiogenesis, and its impact on cellular properties. Cell proliferation, migration, invasion and in vitro angiogenesis assays were performed to decipher the effect of FRG1 on endothelial and epithelial cell functions. Q-RT PCR was done for human embyonic kidney (HEK293T) cells with altered FRG1 levels to identify associated molecules. Further, immunohistochemistry was done to identify FRG1 expression levels in various cancers and its association with tumor angiogenesis. Subsequently, inference was drawn from Oncomine and Kaplan-Meier plotter analysis, for FRG1 expression in different cancers. Ectopic expression of FRG1 affected cell migration and invasion in both HEK293T and human umbilical vein endothelial cells (HUVECs). In HUVECs, FRG1 overexpression led to reduced angiogenesis in vitro No effect was observed in cell proliferation in both the cell types. Q-RT PCR data revealed reduction in granulocyte-colony stimulating factor (G-CSF) expression with FRG1 overexpression and increased expression of matrix metalloproteinase 10 (MMP10) with FRG1 knockdown. Immunohistochemistry analysis showed reduced FRG1 levels in tumors which were supported by in silico analysis data. These findings suggest that reduction in FRG1 expression in gastric, colon and oral cavity tumor might have a role in tumor progression, by regulating cell migration and invasiveness. To elucidate a better understanding of molecular signaling involving FRG1 in angiogenesis regulation, further study is required.
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18
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Comiskey DF, Jacob AG, Sanford BL, Montes M, Goodwin AK, Steiner H, Matsa E, Tapia-Santos AS, Bebee TW, Grieves J, La Perle K, Boyaka P, Chandler DS. A novel mouse model of rhabdomyosarcoma underscores the dichotomy of MDM2-ALT1 function in vivo. Oncogene 2017; 37:95-106. [PMID: 28892044 PMCID: PMC5756115 DOI: 10.1038/onc.2017.282] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 05/29/2017] [Accepted: 06/19/2017] [Indexed: 12/18/2022]
Abstract
Alternative splicing of the oncogene murine double minute 2 (MDM2) is induced in response to genotoxic stress. MDM2-ALT1, the major splice variant generated, is known to activate the p53 pathway and impede full-length MDM2's negative regulation of p53. Despite this perceptible tumor-suppressive role, MDM2-ALT1 is also associated with several cancers. Furthermore, expression of MDM2-ALT1 has been observed in aggressive metastatic disease in pediatric rhabdomyosarcoma (RMS), irrespective of histological subtype. Therefore, we generated a transgenic MDM2-ALT1 mouse model that would allow us to investigate the effects of this splice variant on the progression of tumorigenesis. Here we show that when MDM2-ALT1 is ubiquitously expressed in p53 null mice it leads to increased incidence of spindle cell sarcomas, including RMS. Our data provide evidence that constitutive MDM2-ALT1 expression is itself an oncogenic lesion that aggravates the tumorigenesis induced by p53 loss. On the contrary, when MDM2-ALT1 is expressed solely in B-cells in the presence of homozygous wild-type p53 it leads to significantly increased lymphomagenesis (56%) when compared with control mice (27%). However, this phenotype is observable only at later stages in life (⩾18 months). Moreover, flow cytometric analyses for B-cell markers revealed an MDM2-ALT1-associated decrease in the B-cell population of the spleens of these animals. Our data suggest that the B-cell loss is p53 dependent and is a response mounted to persistent MDM2-ALT1 expression in a wild-type p53 background. Overall, our findings highlight the importance of an MDM2 splice variant as a critical modifier of both p53-dependent and -independent tumorigenesis, underscoring the complexity of MDM2 posttranscriptional regulation in cancer. Furthermore, MDM2-ALT1-expressing p53 null mice represent a novel mouse model of fusion-negative RMS.
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Affiliation(s)
- D F Comiskey
- Molecular, Cellular and Developmental Biology Graduate Program and The Center for RNA Biology, The Ohio State University, Columbus, OH, USA.,Center for Childhood Cancer and Blood Diseases, The Research Institute at Nationwide Children's Hospital, Columbus, OH, USA
| | - A G Jacob
- Molecular, Cellular and Developmental Biology Graduate Program and The Center for RNA Biology, The Ohio State University, Columbus, OH, USA.,Center for Childhood Cancer and Blood Diseases, The Research Institute at Nationwide Children's Hospital, Columbus, OH, USA
| | - B L Sanford
- Center for Childhood Cancer and Blood Diseases, The Research Institute at Nationwide Children's Hospital, Columbus, OH, USA
| | - M Montes
- Molecular, Cellular and Developmental Biology Graduate Program and The Center for RNA Biology, The Ohio State University, Columbus, OH, USA.,Center for Childhood Cancer and Blood Diseases, The Research Institute at Nationwide Children's Hospital, Columbus, OH, USA
| | - A K Goodwin
- Center for Childhood Cancer and Blood Diseases, The Research Institute at Nationwide Children's Hospital, Columbus, OH, USA
| | - H Steiner
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - E Matsa
- Center for Childhood Cancer and Blood Diseases, The Research Institute at Nationwide Children's Hospital, Columbus, OH, USA
| | - A S Tapia-Santos
- Molecular, Cellular and Developmental Biology Graduate Program and The Center for RNA Biology, The Ohio State University, Columbus, OH, USA.,Center for Childhood Cancer and Blood Diseases, The Research Institute at Nationwide Children's Hospital, Columbus, OH, USA
| | - T W Bebee
- Molecular, Cellular and Developmental Biology Graduate Program and The Center for RNA Biology, The Ohio State University, Columbus, OH, USA.,Center for Childhood Cancer and Blood Diseases, The Research Institute at Nationwide Children's Hospital, Columbus, OH, USA
| | - J Grieves
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA.,Takeda California, Inc., Drug Safety Research & Evaluation 10410 Science Center Drive, San Diego, CA 92121, USA
| | - K La Perle
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - P Boyaka
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - D S Chandler
- Molecular, Cellular and Developmental Biology Graduate Program and The Center for RNA Biology, The Ohio State University, Columbus, OH, USA.,Center for Childhood Cancer and Blood Diseases, The Research Institute at Nationwide Children's Hospital, Columbus, OH, USA.,Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH, USA
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19
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Atypical Lipomatous Tumor/Well-Differentiated Liposarcoma Developed in a Patient with Progressive Muscular Dystrophy: A Case Report and Review of the Literature. Case Rep Orthop 2017. [PMID: 28634560 PMCID: PMC5467340 DOI: 10.1155/2017/3025084] [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] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Atypical lipomatous tumor/well-differentiated liposarcoma (ALT/WDLS) is an intermediate or locally aggressive form of adipocytic soft tissue sarcoma. Muscular dystrophy (MD) is characterized by progressive muscle atrophy and its replacement by adipose and fibrous tissue. Recently, some authors have reported that MD genes are related to neoplastic formation, but there have been no detailed clinical reports of ALT associated with MD. CASE PRESENTATION A 73-year-old woman with a diagnosis of limb-girdle MD visited our department for recurrence of a huge tumor in her left thigh. She had undergone resection of a lipoma at the same site more than 20 years earlier. Imaging studies revealed a lipomatous tumor in her left thigh. We performed marginal resection including the adjacent muscles. Histological diagnosis was atypical lipomatous tumor. The postoperative course was uneventful, with no recurrence at 36 months of follow-up. CONCLUSION We encountered a huge atypical tumor in a patient with MD. This is the first detailed report to describe an association between ALT and MD. We hypothesize that degenerative changes occurring in adipose tissue during muscle atrophy can cause lipomatous neoplasms and moreover that the mutation of MD-related genes may lead to the proliferation of tumor cells or to malignancy.
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20
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Tang H, Wei P, Chang P, Li Y, Yan D, Liu C, Hassan M, Li D. Genetic polymorphisms associated with pancreatic cancer survival: a genome-wide association study. Int J Cancer 2017; 141:678-686. [PMID: 28470677 DOI: 10.1002/ijc.30762] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 03/28/2017] [Accepted: 04/21/2017] [Indexed: 12/15/2022]
Abstract
Previous findings on the association of genetic factors and pancreatic cancer survival are limited and inconsistent. In a two-stage study, we analyzed the existing genome-wide association study dataset of 868 pancreatic cancer patients from MD Anderson Cancer Center in relation to overall survival using Cox regression. Top hits were selected for replication in another 820 patients from the same institution using the Taqman genotyping method. Functional annotation, pathway analysis and gene expression analysis were conducted using existing software and databases. We discovered genome-wide significant associations of patient survival with three imputed SNPs which, in complete LD (r2 = 1), were intronic SNPs of the PAIP2B (rs113988120) and DYSF genes (rs112493246 and rs138529893) located on Chromosome 2. The variant alleles were associated with a 3.06-fold higher risk of death [95% confidence interval (CI) = 2.10-4.47, p=6.4 × 10-9] after adjusting for clinical factors. Eleven SNPs were tested in the replication study and the association of rs113988120 with survival was confirmed (hazard ratio: 1.57, 95% CI: 1.13-2.20, p=0.008). In silico analysis found rs1139988120 might lead to altered motif. This locus is in LD (D' = 0.77) with three eQTL SNPs near or belong to the NAGK and MCEE genes. According to The Cancer Genome Atlas data and our previous RNA-sequencing data, the mRNA expression level of PAIP2B but not NAGK, MCEE or DYSF was significantly lower in pancreatic tumors than in normal adjacent tissues. Additional validation efforts and functional studies are warranted to demonstrate whether PAIP2B is a novel tumor suppressor gene and a potential therapeutic target for pancreatic cancer.
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Affiliation(s)
- Hongwei Tang
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Peng Wei
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Ping Chang
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Yanan Li
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Dong Yan
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Chang Liu
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Manal Hassan
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Donghui Li
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
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21
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Mitochondria mediate cell membrane repair and contribute to Duchenne muscular dystrophy. Cell Death Differ 2016; 24:330-342. [PMID: 27834955 PMCID: PMC5299714 DOI: 10.1038/cdd.2016.127] [Citation(s) in RCA: 95] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 09/02/2016] [Accepted: 09/28/2016] [Indexed: 12/31/2022] Open
Abstract
Dystrophin deficiency is the genetic basis for Duchenne muscular dystrophy (DMD), but the cellular basis of progressive myofiber death in DMD is not fully understood. Using two dystrophin-deficient mdx mouse models, we find that the mitochondrial dysfunction is among the earliest cellular deficits of mdx muscles. Mitochondria in dystrophic myofibers also respond poorly to sarcolemmal injury. These mitochondrial deficits reduce the ability of dystrophic muscle cell membranes to repair and are associated with a compensatory increase in dysferlin-mediated membrane repair proteins. Dysferlin deficit in mdx mice further compromises myofiber cell membrane repair and enhances the muscle pathology at an asymptomatic age for dysferlin-deficient mice. Restoring partial dystrophin expression by exon skipping improves mitochondrial function and offers potential to improve myofiber repair. These findings identify that mitochondrial deficit in muscular dystrophy compromises the repair of injured myofibers and show that this repair mechanism is distinct from and complimentary to the dysferlin-mediated repair of injured myofibers.
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22
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Liu Z, Fang H, Slikker W, Tong W. Potential Reuse of Oncology Drugs in the Treatment of Rare Diseases. Trends Pharmacol Sci 2016; 37:843-857. [DOI: 10.1016/j.tips.2016.06.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Revised: 06/27/2016] [Accepted: 06/30/2016] [Indexed: 12/23/2022]
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23
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McGreevy JW, Hakim CH, McIntosh MA, Duan D. Animal models of Duchenne muscular dystrophy: from basic mechanisms to gene therapy. Dis Model Mech 2015; 8:195-213. [PMID: 25740330 PMCID: PMC4348559 DOI: 10.1242/dmm.018424] [Citation(s) in RCA: 316] [Impact Index Per Article: 35.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Duchenne muscular dystrophy (DMD) is a progressive muscle-wasting disorder. It is caused by loss-of-function mutations in the dystrophin gene. Currently, there is no cure. A highly promising therapeutic strategy is to replace or repair the defective dystrophin gene by gene therapy. Numerous animal models of DMD have been developed over the last 30 years, ranging from invertebrate to large mammalian models. mdx mice are the most commonly employed models in DMD research and have been used to lay the groundwork for DMD gene therapy. After ~30 years of development, the field has reached the stage at which the results in mdx mice can be validated and scaled-up in symptomatic large animals. The canine DMD (cDMD) model will be excellent for these studies. In this article, we review the animal models for DMD, the pros and cons of each model system, and the history and progress of preclinical DMD gene therapy research in the animal models. We also discuss the current and emerging challenges in this field and ways to address these challenges using animal models, in particular cDMD dogs.
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Affiliation(s)
- Joe W McGreevy
- Department of Molecular Microbiology and Immunology, School of Medicine, University of Missouri, Columbia, MO 65212, USA
| | - Chady H Hakim
- Department of Molecular Microbiology and Immunology, School of Medicine, University of Missouri, Columbia, MO 65212, USA
| | - Mark A McIntosh
- Department of Molecular Microbiology and Immunology, School of Medicine, University of Missouri, Columbia, MO 65212, USA
| | - Dongsheng Duan
- Department of Molecular Microbiology and Immunology, School of Medicine, University of Missouri, Columbia, MO 65212, USA Department of Neurology, School of Medicine, University of Missouri, Columbia, MO 65212, USA
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24
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Holland A, Murphy S, Dowling P, Ohlendieck K. Pathoproteomic profiling of the skeletal muscle matrisome in dystrophinopathy associated myofibrosis. Proteomics 2015; 16:345-66. [PMID: 26256116 DOI: 10.1002/pmic.201500158] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Revised: 06/12/2015] [Accepted: 07/24/2015] [Indexed: 12/14/2022]
Abstract
The gradual accumulation of collagen and associated proteins of the extracellular matrix is a crucial myopathological parameter of many neuromuscular disorders. Progressive tissue damage and fibrosis play a key pathobiochemical role in the dysregulation of contractile functions and often correlates with poor motor outcome in muscular dystrophies. Following a brief introduction into the role of the extracellular matrix in skeletal muscles, we review here the proteomic profiling of myofibrosis and its intrinsic role in X-linked muscular dystrophy. Although Duchenne muscular dystrophy is primarily a disease of the membrane cytoskeleton, one of its most striking histopathological features is a hyperactive connective tissue and tissue scarring. We outline the identification of novel factors involved in the modulation of the extracellular matrix in muscular dystrophy, such as matricellular proteins. The establishment of novel proteomic markers will be helpful in improving the diagnosis, prognosis, and therapy monitoring in relation to fibrotic substitution of contractile tissue. In the future, the prevention of fibrosis will be crucial for providing optimum conditions to apply novel pharmacological treatments, as well as establish cell-based approaches or gene therapeutic interventions. The elimination of secondary abnormalities in the matrisome promises to reduce tissue scarring and the loss of skeletal muscle elasticity.
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Affiliation(s)
- Ashling Holland
- Department of Biology, Maynooth University, National University of Ireland, Maynooth, Co. Kildare, Ireland
| | - Sandra Murphy
- Department of Biology, Maynooth University, National University of Ireland, Maynooth, Co. Kildare, Ireland
| | - Paul Dowling
- Department of Biology, Maynooth University, National University of Ireland, Maynooth, Co. Kildare, Ireland
| | - Kay Ohlendieck
- Department of Biology, Maynooth University, National University of Ireland, Maynooth, Co. Kildare, Ireland
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25
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Rhabdomyosarcoma: Advances in Molecular and Cellular Biology. Sarcoma 2015; 2015:232010. [PMID: 26420980 PMCID: PMC4569767 DOI: 10.1155/2015/232010] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Accepted: 08/16/2015] [Indexed: 12/19/2022] Open
Abstract
Rhabdomyosarcoma (RMS) is the most common soft tissue malignancy in childhood and adolescence. The two major histological subtypes of RMS are alveolar RMS, driven by the fusion protein PAX3-FKHR or PAX7-FKHR, and embryonic RMS, which is usually genetically heterogeneous. The prognosis of RMS has improved in the past several decades due to multidisciplinary care. However, in recent years, the treatment of patients with metastatic or refractory RMS has reached a plateau. Thus, to improve the survival rate of RMS patients and their overall well-being, further understanding of the molecular and cellular biology of RMS and identification of novel therapeutic targets are imperative. In this review, we describe the most recent discoveries in the molecular and cellular biology of RMS, including alterations in oncogenic pathways, miRNA (miR), in vivo models, stem cells, and important signal transduction cascades implicated in the development and progression of RMS. Furthermore, we discuss novel potential targeted therapies that may improve the current treatment of RMS.
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26
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Kashi VP, Hatley ME, Galindo RL. Probing for a deeper understanding of rhabdomyosarcoma: insights from complementary model systems. Nat Rev Cancer 2015; 15:426-39. [PMID: 26105539 PMCID: PMC4599785 DOI: 10.1038/nrc3961] [Citation(s) in RCA: 87] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Rhabdomyosarcoma (RMS) is a mesenchymal malignancy composed of neoplastic primitive precursor cells that exhibit histological features of myogenic differentiation. Despite intensive conventional multimodal therapy, patients with high-risk RMS typically suffer from aggressive disease. The lack of directed therapies against RMS emphasizes the need to further uncover the molecular underpinnings of the disease. In this Review, we discuss the notable advances in the model systems now available to probe for new RMS-targetable pathogenetic mechanisms, and the possibilities for enhanced RMS therapeutics and improved clinical outcomes.
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Affiliation(s)
- Venkatesh P Kashi
- Department of Pathology, University of Texas Southwestern Medical Center at Dallas, 5323 Harry Hines Boulevard, Dallas, Texas 75390-9072, USA
| | - Mark E Hatley
- Department of Oncology, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, Tennessee 38105, USA
| | - Rene L Galindo
- 1] Department of Pathology, University of Texas Southwestern Medical Center at Dallas, 5323 Harry Hines Boulevard, Dallas, Texas 75390-9072, USA. [2] Department of Molecular Biology, University of Texas Southwestern Medical Center at Dallas, 5323 Harry Hines Boulevard, Dallas, Texas 75390-9148, USA. [3] Department of Pediatrics, University of Texas Southwestern Medical Center at Dallas, 5323 Harry Hines Boulevard, Dallas, Texas 75390-9063, USA
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27
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Faggi F, Codenotti S, Poliani PL, Cominelli M, Chiarelli N, Colombi M, Vezzoli M, Monti E, Bono F, Tulipano G, Fiorentini C, Zanola A, Lo HP, Parton RG, Keller C, Fanzani A. MURC/cavin-4 Is Co-Expressed with Caveolin-3 in Rhabdomyosarcoma Tumors and Its Silencing Prevents Myogenic Differentiation in the Human Embryonal RD Cell Line. PLoS One 2015; 10:e0130287. [PMID: 26086601 PMCID: PMC4472524 DOI: 10.1371/journal.pone.0130287] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Accepted: 05/19/2015] [Indexed: 12/28/2022] Open
Abstract
The purpose of this study was to investigate whether MURC/cavin-4, a plasma membrane and Z-line associated protein exhibiting an overlapping distribution with Caveolin-3 (Cav-3) in heart and muscle tissues, may be expressed and play a role in rhabdomyosarcoma (RMS), an aggressive myogenic tumor affecting childhood. We found MURC/cavin-4 to be expressed, often concurrently with Cav-3, in mouse and human RMS, as demonstrated through in silico analysis of gene datasets and immunohistochemical analysis of tumor samples. In vitro expression studies carried out using human cell lines and primary mouse tumor cultures showed that expression levels of both MURC/cavin-4 and Cav-3, while being low or undetectable during cell proliferation, became robustly increased during myogenic differentiation, as detected via semi-quantitative RT-PCR and immunoblotting analysis. Furthermore, confocal microscopy analysis performed on human RD and RH30 cell lines confirmed that MURC/cavin-4 mostly marks differentiated cell elements, colocalizing at the cell surface with Cav-3 and labeling myosin heavy chain (MHC) expressing cells. Finally, MURC/cavin-4 silencing prevented the differentiation in the RD cell line, leading to morphological cell impairment characterized by depletion of myogenin, Cav-3 and MHC protein levels. Overall, our data suggest that MURC/cavin-4, especially in combination with Cav-3, may play a consistent role in the differentiation process of RMS.
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Affiliation(s)
- Fiorella Faggi
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy
- Interuniversity Institute of Myology (IIM), Rome, Italy
| | - Silvia Codenotti
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy
- Interuniversity Institute of Myology (IIM), Rome, Italy
| | - Pietro Luigi Poliani
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy
| | - Manuela Cominelli
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy
| | - Nicola Chiarelli
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy
| | - Marina Colombi
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy
| | - Marika Vezzoli
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy
| | - Eugenio Monti
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy
| | - Federica Bono
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy
| | - Giovanni Tulipano
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy
| | - Chiara Fiorentini
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy
| | - Alessandra Zanola
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy
| | - Harriet P. Lo
- Institute for Molecular Bioscience, University of Queensland, Brisbane, Queensland 4072, Australia
| | - Robert G. Parton
- Institute for Molecular Bioscience, University of Queensland, Brisbane, Queensland 4072, Australia
| | - Charles Keller
- Department of Pediatrics, Oregon Health & Science University, Portland, OR, United States of America
- Children’s Cancer Therapy Development Institute, Fort Collins, CO, United States of America
| | - Alessandro Fanzani
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy
- Interuniversity Institute of Myology (IIM), Rome, Italy
- * E-mail:
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28
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Mohamed AD, Tremblay AM, Murray GI, Wackerhage H. The Hippo signal transduction pathway in soft tissue sarcomas. Biochim Biophys Acta Rev Cancer 2015; 1856:121-9. [PMID: 26050962 DOI: 10.1016/j.bbcan.2015.05.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Revised: 05/27/2015] [Accepted: 05/28/2015] [Indexed: 12/11/2022]
Abstract
Sarcomas are rare cancers (≈1% of all solid tumours) usually of mesenchymal origin. Here, we review evidence implicating the Hippo pathway in soft tissue sarcomas. Several transgenic mouse models of Hippo pathway members (Nf2, Mob1, LATS1 and YAP1 mutants) develop various types of sarcoma. Despite that, Hippo member genes are rarely point mutated in human sarcomas. Instead, WWTR1-CAMTA1 and YAP1-TFE3 fusion genes are found in almost all cases of epithelioid haemangioendothelioma. Also copy number gains of YAP1 and other Hippo members occur at low frequencies but the most likely cause of perturbed Hippo signalling in sarcoma is the cross-talk with commonly mutated cancer genes such as KRAS, PIK3CA, CTNNB1 or FBXW7. Current Hippo pathway-targeting drugs include compounds that target the interaction between YAP and TEAD G protein-coupled receptors (GPCR) and the mevalonate pathway (e.g. statins). Given that many Hippo pathway-modulating drugs are already used in patients, this could lead to early clinical trials testing their efficacy in different types of sarcoma.
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Affiliation(s)
- Abdalla D Mohamed
- School of Medical Sciences, University of Aberdeen, AB25 2ZD Scotland, UK
| | - Annie M Tremblay
- Stem Cell Program, Children's Hospital, Boston, MA 02115, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - Graeme I Murray
- School of Medicine and Dentistry, University of Aberdeen, AB25 2ZD Scotland, UK
| | - Henning Wackerhage
- School of Medical Sciences, University of Aberdeen, AB25 2ZD Scotland, UK.
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29
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Cavin-1 and Caveolin-1 are both required to support cell proliferation, migration and anchorage-independent cell growth in rhabdomyosarcoma. J Transl Med 2015; 95:585-602. [PMID: 25822667 DOI: 10.1038/labinvest.2015.45] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 01/26/2015] [Accepted: 02/27/2015] [Indexed: 12/17/2022] Open
Abstract
Rhabdomyosarcoma (RMS) is a childhood soft tissue tumor with broad expression of markers that are typically found in skeletal muscle. Cavin-1 is a recently discovered protein actively cooperating with Caveolin-1 (Cav-1) in the morphogenesis of caveolae and whose role in cancer is drawing increasing attention. Using a combined in silico and in vitro analysis here we show that Cavin-1 is expressed in myogenic RMS tumors as well as in human and primary mouse RMS cultures, exhibiting a broad subcellular localization, ranging from nuclei and cytosol to plasma membrane. In particular, the coexpression and plasma membrane interaction between Cavin-1 and Cav-1 characterized the proliferation of human and mouse RMS cell cultures, while a downregulation of their expression levels was observed during the myogenic differentiation. Knockdown of Cavin-1 or Cav-1 in the human RD and RH30 cells led to impairment of cell proliferation and migration. Moreover, loss of Cavin-1 in RD cells impaired the anchorage-independent cell growth in soft agar. While the loss of Cavin-1 did not affect the Cav-1 protein levels in RMS cells, Cav-1 overexpression and knockdown triggered a rise or depletion of Cavin-1 protein levels in RD cells, respectively, in turn reflecting on increased or decreased cell proliferation, migration and anchorage-independent cell growth. Collectively, these data indicate that the interaction between Cavin-1 and Cav-1 underlies the cell growth and migration in myogenic tumors.
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30
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Abstract
WWOX is a gene that spans an extremely large chromosomal region. It is derived from within chromosomal band 16q23.2 which is a region with frequent deletions and other alterations in a variety of different cancers. This chromosomal band also contains the FRA16D common fragile site (CFS). CFSs are chromosomal regions found in all individuals which are highly unstable. WWOX has also been demonstrated to function as a tumor suppressor that is involved in the development of many cancers. Two other highly unstable CFSs, FRA3B (3p14.2) and FRA6E (6q26), also span extremely large genes, FHIT and PARK2, respectively, and these two genes are also found to be important tumor suppressors. There are a number of interesting similarities between these three large CFS genes. In spite of the fact that they are derived from some of the most unstable chromosomal regions in the genome, they are found to be highly evolutionarily conserved and the chromosomal region spanning the mouse homologs of both WWOX and FHIT are also CFSs in mice. Many of the other CFSs also span extremely large genes and many of these are very attractive tumor suppressor candidates. WWOX is therefore a member of a very interesting family of very large CFS genes.
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Affiliation(s)
- Ge Gao
- Division of Experimental Pathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA
| | - David I Smith
- Division of Experimental Pathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA
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31
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Gao G, Smith DI. Very large common fragile site genes and their potential role in cancer development. Cell Mol Life Sci 2014; 71:4601-15. [PMID: 25300511 PMCID: PMC11113612 DOI: 10.1007/s00018-014-1753-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Accepted: 09/30/2014] [Indexed: 10/24/2022]
Abstract
Common fragile sites (CFSs) are large chromosomal regions that are hot-spots for alterations especially within cancer cells. The three most frequently expressed CFS regions (FRA3B, FRA16D and FRA6E) contain genes that span extremely large genomic regions (FHIT, WWOX and PARK2, respectively), and these genes were found to function as important tumor suppressors. Many other CFS regions contain extremely large genes that are also targets of alterations in multiple cancers, but none have yet been demonstrated to function as tumor suppressors. The loss of expression of just FHIT or WWOX has been found to be associated with a worse overall clinical outcome. Studies in different cancers have revealed that some cancers have decreased expression of multiple large CFS genes. This loss of expression could have a profound phenotypic effect on these cells. In this review, we will summarize the known large common fragile site genes and discuss their potential relationship to cancer development.
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Affiliation(s)
- Ge Gao
- Division of Experimental Pathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905 USA
| | - David I. Smith
- Division of Experimental Pathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905 USA
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32
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Tremblay AM, Missiaglia E, Galli GG, Hettmer S, Urcia R, Carrara M, Judson RN, Thway K, Nadal G, Selfe JL, Murray G, Calogero RA, De Bari C, Zammit PS, Delorenzi M, Wagers AJ, Shipley J, Wackerhage H, Camargo FD. The Hippo transducer YAP1 transforms activated satellite cells and is a potent effector of embryonal rhabdomyosarcoma formation. Cancer Cell 2014; 26:273-87. [PMID: 25087979 DOI: 10.1016/j.ccr.2014.05.029] [Citation(s) in RCA: 140] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2013] [Revised: 04/08/2014] [Accepted: 05/29/2014] [Indexed: 01/02/2023]
Abstract
The role of the Hippo pathway effector YAP1 in soft tissue sarcomas is poorly defined. Here we report that YAP1 activity is elevated in human embryonal rhabdomyosarcoma (ERMS). In mice, sustained YAP1 hyperactivity in activated, but not quiescent, satellite cells induces ERMS with high penetrance and short latency. Via its transcriptional program with TEAD1, YAP1 directly regulates several major hallmarks of ERMS. YAP1-TEAD1 upregulate pro-proliferative and oncogenic genes and maintain the ERMS differentiation block by interfering with MYOD1 and MEF2 pro-differentiation activities. Normalization of YAP1 expression reduces tumor burden in human ERMS xenografts and allows YAP1-driven ERMS to differentiate in situ. Collectively, our results identify YAP1 as a potent ERMS oncogenic driver and a promising target for differentiation therapy.
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MESH Headings
- Adaptor Proteins, Signal Transducing/physiology
- Animals
- Cell Differentiation/genetics
- Cell Proliferation
- Cell Transformation, Neoplastic/metabolism
- DNA-Binding Proteins/metabolism
- Gene Dosage
- Gene Expression
- Gene Expression Regulation, Neoplastic
- Humans
- Kaplan-Meier Estimate
- Mice
- Mice, Inbred NOD
- Mice, SCID
- Mice, Transgenic
- Muscle Neoplasms/metabolism
- Muscle Neoplasms/mortality
- Muscle Neoplasms/pathology
- Muscle, Skeletal/metabolism
- Muscle, Skeletal/pathology
- MyoD Protein
- Neoplasm Transplantation
- Nuclear Proteins/metabolism
- Oncogenes
- Phosphoproteins/physiology
- Rhabdomyosarcoma, Embryonal/metabolism
- Rhabdomyosarcoma, Embryonal/mortality
- Rhabdomyosarcoma, Embryonal/pathology
- Satellite Cells, Skeletal Muscle/pathology
- TEA Domain Transcription Factors
- Transcription Factors/metabolism
- YAP-Signaling Proteins
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Affiliation(s)
- Annie M Tremblay
- Stem Cell Program, Boston Children's Hospital, Boston, MA 02115, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - Edoardo Missiaglia
- SIB Swiss Institute of Bioinformatics, 1015 Lausanne, Switzerland; Sarcoma Molecular Pathology Team, Divisions of Molecular Pathology and Cancer Therapeutics, The Institute of Cancer Research, Sutton, Surrey SM2 5NG, UK
| | - Giorgio G Galli
- Stem Cell Program, Boston Children's Hospital, Boston, MA 02115, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - Simone Hettmer
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Howard Hughes Medical Institute and Joslin Diabetes Center, Boston, MA 02115, USA; Department of Pediatric Oncology, Dana Farber Cancer Institute, Boston, MA 02115, USA; Division of Pediatric Hematology/Oncology, Children's Hospital, Boston, MA 02115, USA
| | - Roby Urcia
- School of Medical Sciences, University of Aberdeen, Aberdeen, AB25 2ZD Scotland, UK
| | - Matteo Carrara
- Molecular Biotechnology Center, Department of Biotechnology and Health Sciences, University of Torino, 10126 Torino, Italy
| | - Robert N Judson
- School of Medical Sciences, University of Aberdeen, Aberdeen, AB25 2ZD Scotland, UK; Biomedical Research Centre, Department of Medical Genetics, University of British Columbia, Vancouver BC V6T 1Z3, Canada
| | - Khin Thway
- Sarcoma Molecular Pathology Team, Divisions of Molecular Pathology and Cancer Therapeutics, The Institute of Cancer Research, Sutton, Surrey SM2 5NG, UK; Department of Histopathology, Royal Marsden NHS Foundation Trust, London SW3 6JJ, UK
| | - Gema Nadal
- School of Medical Sciences, University of Aberdeen, Aberdeen, AB25 2ZD Scotland, UK
| | - Joanna L Selfe
- Sarcoma Molecular Pathology Team, Divisions of Molecular Pathology and Cancer Therapeutics, The Institute of Cancer Research, Sutton, Surrey SM2 5NG, UK
| | - Graeme Murray
- School of Medicine and Dentistry, University of Aberdeen, Aberdeen AB25 2ZD, Scotland, UK
| | - Raffaele A Calogero
- Molecular Biotechnology Center, Department of Biotechnology and Health Sciences, University of Torino, 10126 Torino, Italy
| | - Cosimo De Bari
- School of Medicine and Dentistry, University of Aberdeen, Aberdeen AB25 2ZD, Scotland, UK
| | - Peter S Zammit
- Randall Division of Cell and Molecular Biophysics, King's College London, New Hunt's House, Guy's Campus, London SE1 1UL, UK
| | - Mauro Delorenzi
- SIB Swiss Institute of Bioinformatics, 1015 Lausanne, Switzerland; Ludwig Center for Cancer Research and Oncology Department, University of Lausanne, 1015 Lausanne, Switzerland
| | - Amy J Wagers
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Howard Hughes Medical Institute and Joslin Diabetes Center, Boston, MA 02115, USA
| | - Janet Shipley
- Sarcoma Molecular Pathology Team, Divisions of Molecular Pathology and Cancer Therapeutics, The Institute of Cancer Research, Sutton, Surrey SM2 5NG, UK
| | - Henning Wackerhage
- School of Medical Sciences, University of Aberdeen, Aberdeen, AB25 2ZD Scotland, UK
| | - Fernando D Camargo
- Stem Cell Program, Boston Children's Hospital, Boston, MA 02115, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA.
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33
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Dmitriev P, Kairov U, Robert T, Barat A, Lazar V, Carnac G, Laoudj-Chenivesse D, Vassetzky YS. Cancer-related genes in the transcription signature of facioscapulohumeral dystrophy myoblasts and myotubes. J Cell Mol Med 2013; 18:208-17. [PMID: 24341522 PMCID: PMC3930408 DOI: 10.1111/jcmm.12182] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2013] [Accepted: 10/08/2013] [Indexed: 01/23/2023] Open
Abstract
Muscular dystrophy is a condition potentially predisposing for cancer; however, currently, only Myotonic dystrophy patients are known to have a higher risk of cancer. Here, we have searched for a link between facioscapulohumeral dystrophy (FSHD) and cancer by comparing published transcriptome signatures of FSHD and various malignant tumours and have found a significant enrichment of cancer-related genes among the genes differentially expressed in FSHD. The analysis has shown that gene expression profiles of FSHD myoblasts and myotubes resemble that of Ewing's sarcoma more than that of other cancer types tested. This is the first study demonstrating a similarity between FSHD and cancer cell expression profiles, a finding that might indicate the existence of a common step in the pathogenesis of these two diseases.
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Affiliation(s)
- Petr Dmitriev
- UMR8126, Université Paris-Sud 11, CNRS, Institut de cancérologie Gustave Roussy, Villejuif, France; INSERM U1046, Université Montpellier I, Montpellier, France
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34
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Fanzani A, Monti E, Donato R, Sorci G. Muscular dystrophies share pathogenetic mechanisms with muscle sarcomas. Trends Mol Med 2013; 19:546-54. [PMID: 23890422 DOI: 10.1016/j.molmed.2013.07.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2012] [Revised: 06/27/2013] [Accepted: 07/01/2013] [Indexed: 12/27/2022]
Abstract
Several lines of recent evidence have opened a new debate on the mechanisms underlying the genesis of rhabdomyosarcoma, a pediatric soft tissue tumor with a widespread expression of muscle-specific markers. In particular, it is increasingly evident that the loss of skeletal muscle integrity observed in some mouse models of muscular dystrophy can favor rhabdomyosarcoma formation. This is especially true in old age. Here, we review these experimental findings and focus on the main molecular and cellular events that can dictate the tumorigenic process in dystrophic muscle, such as the loss of structural or regulatory proteins with tumor suppressor activity, the impaired DNA damage response due to oxidative stress, the chronic inflammation and the conflicting signals arising within the degenerated muscle niche.
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Affiliation(s)
- Alessandro Fanzani
- Department of Molecular and Translational Medicine and Interuniversity Institute of Myology (IIM), University of Brescia, Viale Europa 11, Brescia, 25123, Italy.
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35
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Sokolowski E, Turina CB, Kikuchi K, Langenau DM, Keller C. Proof-of-concept rare cancers in drug development: the case for rhabdomyosarcoma. Oncogene 2013; 33:1877-89. [PMID: 23665679 DOI: 10.1038/onc.2013.129] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2013] [Revised: 02/22/2013] [Accepted: 02/27/2013] [Indexed: 12/14/2022]
Abstract
Rare diseases typically affect fewer than 200,000 patients annually, yet because thousands of rare diseases exist, the cumulative impact is millions of patients worldwide. Every form of childhood cancer qualifies as a rare disease-including the childhood muscle cancer, rhabdomyosarcoma (RMS). The next few years promise to be an exceptionally good era of opportunity for public-private collaboration for rare and childhood cancers. Not only do certain governmental regulation advantages exist, but these advantages are being made permanent with special incentives for pediatric orphan drug-product development. Coupled with a growing understanding of sarcoma tumor biology, synergy with pharmaceutical muscle disease drug-development programs, and emerging publically available preclinical and clinical tools, the outlook for academic-community-industry partnerships in RMS drug development looks promising.
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Affiliation(s)
- E Sokolowski
- Department of Student Affairs, Oregon State University, Corvallis, OR, USA
| | - C B Turina
- 1] Department of Student Affairs, Oregon State University, Corvallis, OR, USA [2] Pediatric Cancer Biology Program, Department of Pediatrics, Papé Family Pediatric Research Institute, Oregon Health and Science University, Portland, OR, USA
| | - K Kikuchi
- Pediatric Cancer Biology Program, Department of Pediatrics, Papé Family Pediatric Research Institute, Oregon Health and Science University, Portland, OR, USA
| | - D M Langenau
- 1] Division of Molecular Pathology and Cancer Center, Massachusetts General Hospital, Boston, MA, USA [2] Harvard Medical School and Harvard Stem Cell Institute, Boston, MA, USA
| | - C Keller
- Pediatric Cancer Biology Program, Department of Pediatrics, Papé Family Pediatric Research Institute, Oregon Health and Science University, Portland, OR, USA
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