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Kirsch-Volders M, Mišík M, de Gerlache J. Tetraploidy as a metastable state towards malignant cell transformation within a systemic approach of cancer development. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2024; 896:503764. [PMID: 38821671 DOI: 10.1016/j.mrgentox.2024.503764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 04/08/2024] [Accepted: 05/06/2024] [Indexed: 06/02/2024]
Abstract
Tetraploidy, a condition in which a cell has four homologous sets of chromosomes, may be a natural physiological condition or pathophysiological such as in cancer cells or stress induced tetraploidisation. Its contribution to cancer development is well known. However, among the many models proposed to explain the causes, mechanisms and steps of malignant cell transformation, only few integrate tetraploidization into a systemic multistep approach of carcinogenesis. Therefore, we will i) describe the molecular and cellular characteristics of tetraploidy; ii) assess the contribution of stress-induced tetraploidy in cancer development; iii) situate tetraploidy as a metastable state leading to cancer development in a systemic cell-centered approach; iiii) consider knowledge gaps and future perspectives. The available data shows that stress-induced tetraploidisation/polyploidisation leads to p53 stabilisation, cell cycle arrest, followed by cellular senescence or apoptosis, suppressing the proliferation of tetraploid cells. However, if tetraploid cells escape the G1-tetraploidy checkpoint, it may lead to uncontrolled proliferation of tetraploid cells, micronuclei induction, aneuploidy and deploidisation. In addition, tetraploidization favors 3D-chromatin changes and epigenetic effects. The combined effects of genetic and epigenetic changes allow the expression of oncogenic gene expression and cancer progression. Moreover, since micronuclei are inducing inflammation, which in turn may induce additional tetraploidization, tetraploidy-derived genetic instability leads to a carcinogenic vicious cycle. The concept that polyploid cells are metastable intermediates between diploidy and aneuploidy is not new. Metastability denotes an intermediate energetic state within a dynamic system other than the system's state at least energy. Considering in parallel the genetic/epigenetic changes and the probable entropy levels induced by stress-induced tetraploidisation provides a new systemic approach to describe cancer development.
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Affiliation(s)
- Micheline Kirsch-Volders
- Laboratory for Cell Genetics, Department Biology, Faculty of Sciences and Bio-engineering Sciences, Vrije Universiteit Brussel, Pleinlaan 2, Brussels 1050, Belgium
| | - Miroslav Mišík
- Center for Cancer Research, Medical University of Vienna, Borschkegasse 8a, Vienna 1090, Austria.
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Bankó P, Lee SY, Nagygyörgy V, Zrínyi M, Chae CH, Cho DH, Telekes A. Technologies for circulating tumor cell separation from whole blood. J Hematol Oncol 2019; 12:48. [PMID: 31088479 PMCID: PMC6518774 DOI: 10.1186/s13045-019-0735-4] [Citation(s) in RCA: 192] [Impact Index Per Article: 38.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 04/18/2019] [Indexed: 12/13/2022] Open
Abstract
The importance of early cancer diagnosis and improved cancer therapy has been clear for years and has initiated worldwide research towards new possibilities in the care strategy of patients with cancer using technological innovations. One of the key research fields involves the separation and detection of circulating tumor cells (CTC) because of their suggested important role in early cancer diagnosis and prognosis, namely, providing easy access by a liquid biopsy from blood to identify metastatic cells before clinically detectable metastasis occurs and to study the molecular and genetic profile of these metastatic cells. Provided the opportunity to further progress the development of technology for treating cancer, several CTC technologies have been proposed in recent years by various research groups and companies. Despite their potential role in cancer healthcare, CTC methods are currently mainly used for research purposes, and only a few methods have been accepted for clinical application because of the difficulties caused by CTC heterogeneity, CTC separation from the blood, and a lack of thorough clinical validation. Therefore, the standardization and clinical application of various developed CTC technologies remain important subsequent necessary steps. Because of their suggested future clinical benefits, we focus on describing technologies using whole blood samples without any pretreatment and discuss their advantages, use, and significance. Technologies using whole blood samples utilize size-based, immunoaffinity-based, and density-based methods or combinations of these methods as well as positive and negative enrichment during separation. Although current CTC technologies have not been truly implemented yet, they possess high potential as future clinical diagnostic techniques for the individualized therapy of patients with cancer. Thus, a detailed discussion of the clinical suitability of these new advanced technologies could help prepare clinicians for the future and can be a foundation for technologies that would be used to eliminate CTCs in vivo.
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Affiliation(s)
- Petra Bankó
- Department of Biochemical Engineering, Budapest University of Technology and Economics, Budapest, Hungary
| | - Sun Young Lee
- Department of Radiation Oncology, Chonbuk National University Hospital, Jeonju, Republic of Korea.,Research Institute of Clinical Medicine of Chonbuk National University-Biomedical, Research Institute of Chonbuk National University Hospital, Jeonju, Republic of Korea
| | | | - Miklós Zrínyi
- Laboratory of Nanochemistry, Department of Biophysics and Radiation Biology, Semmelweis University, Budapest, Hungary
| | - Chang Hoon Chae
- Laboratory of Nanochemistry, Department of Biophysics and Radiation Biology, Semmelweis University, Budapest, Hungary
| | - Dong Hyu Cho
- Research Institute of Clinical Medicine of Chonbuk National University-Biomedical, Research Institute of Chonbuk National University Hospital, Jeonju, Republic of Korea. .,Department of Obstetrics and Gynecology, Chonbuk National University Hospital, Jeonju, Republic of Korea.
| | - András Telekes
- Department of Oncology, St. Lazarus Hospital, Salgótarján, Hungary.
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Sorscher SM, Hill AE, Belizaire R, Sorscher EJ. Spontaneous inactivating p53 mutations and the "selfish cell". Aging (Albany NY) 2011; 3:181. [PMID: 21389353 PMCID: PMC3091512 DOI: 10.18632/aging.100294] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Thirlwell C, Will OCC, Domingo E, Graham TA, McDonald SAC, Oukrif D, Jeffrey R, Gorman M, Rodriguez-Justo M, Chin-Aleong J, Clark SK, Novelli MR, Jankowski JA, Wright NA, Tomlinson IPM, Leedham SJ. Clonality assessment and clonal ordering of individual neoplastic crypts shows polyclonality of colorectal adenomas. Gastroenterology 2010; 138:1441-54, 1454.e1-7. [PMID: 20102718 DOI: 10.1053/j.gastro.2010.01.033] [Citation(s) in RCA: 97] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2009] [Revised: 11/24/2009] [Accepted: 01/07/2010] [Indexed: 01/28/2023]
Abstract
BACKGROUND & AIMS According to the somatic mutation theory, monoclonal colorectal lesions arise from sequential mutations in the progeny of a single stem cell. However, studies in a sex chromosome mixoploid mosaic (XO/XY) patient indicated that colorectal adenomas were polyclonal. We assessed adenoma clonality on an individual crypt basis and completed a genetic dependency analysis in carcinomas-in-adenomas to assess mutation order and timing. METHODS Polyp samples were analyzed from the XO/XY individual, patients with familial adenomatous polyposis and attenuated familial adenomatous polyposis, patients with small sporadic adenomas, and patients with sporadic carcinoma-in-adenomas. Clonality was analyzed using X/Y chromosome fluorescence in situ hybridization, analysis of 5q loss of heterozygosity in XO/XY tissue, and sequencing of adenomatous polyposis coli. Individual crypts and different phenotypic areas of carcinoma-in-adenoma lesions were analyzed for mutations in adenomatous polyposis coli, p53, and K-RAS; loss of heterozygosity at 5q, 17p, and 18q; and aneuploidy. Phylogenetic trees were constructed. RESULTS All familial adenomatous polyposis-associated adenomas and some sporadic lesions had polyclonal genetic defects. Some independent clones appeared to be maintained in advanced adenomas. No clear obligate order of genetic events was established. Top-down growth of dysplastic tissue into neighboring crypts was a possible mechanism of clonal competition. CONCLUSIONS Human colorectal microadenomas are polyclonal and may arise from a combination of host genetic features, mucosal exposures, and active crypt interactions. Analyses of tumor phylogenies show that most lesions undergo intermittent genetic homogenization, but heterotypic mutation patterns indicate that independent clonal evolution can occur throughout adenoma development. Based on observations of clonal ordering the requirement and timing of genetic events during neoplastic progression may be more variable than previously thought.
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Strand DW, Franco OE, Basanta D, Anderson ARA, Hayward SW. Perspectives on tissue interactions in development and disease. Curr Mol Med 2010; 10:95-112. [PMID: 20205682 PMCID: PMC4195241 DOI: 10.2174/156652410791065363] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2009] [Accepted: 06/30/2009] [Indexed: 12/20/2022]
Abstract
From the morphogenetic movements of the three germ layers during development to the reactive stromal microenvironment in cancer, tissue interactions are vital to maintaining healthy organ morphologic architecture and function. The stromal compartment is thought to be complicit in tumor progression and, as such, represents an opportune target for disease therapies. However, recent developments in our understanding of the diversity of the stromal compartment and the lack of appropriate models to study its relevance in human disease have limited our further understanding of the role of tissue interactions in tumor progression. The failure any model to fully recapitulate the complexities of systemic biology continue to create a higher imperative for incorporating various perspectives into a broader understanding for the ultimate goal of designing interventional therapies. Understanding this potential, this review examines the biological models used to study stromal-epithelial interactions and includes an attempt to incorporate behavioral terminology to define and mathematically model ecological relationships in stromal-epithelial interactions. In addition, the current attempt to incorporate these diverse ecological perspectives into in silico mathematical models through cross-disciplinary coordination is reviewed, which will provide a fresh perspective on defining cell group behavior and tissue ecology in disease and hopefully lead to the generation of new hypotheses to be empirically validated.
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Affiliation(s)
- D W Strand
- Vanderbilt Prostate Cancer Center, Department of Urologic Surgery, Vanderbilt University Medical Center, AA-1309 Medical Center North, Nashville, TN 37232, USA.
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Ward LS, Morari EC, Leite JL, Bufalo NE, Guilhen ACT, Araujo PPCD, Tincani AJ, Assumpção LVM, Matos PS. Identifying a risk profile for thyroid cancer. ACTA ACUST UNITED AC 2007; 51:713-22. [PMID: 17891234 DOI: 10.1590/s0004-27302007000500008] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2007] [Accepted: 04/14/2007] [Indexed: 11/21/2022]
Abstract
The large use of simple and effective diagnostic tools has significantly contributed to the increase in diagnosis of thyroid cancer over the past years. However, there is compelling evidence that most micropapillary carcinomas have an indolent behavior and may never evolve into clinical cancers. Therefore, there is an urgent need for new tools able to predict which thyroid cancers will remain silent, and which thyroid cancers will present an aggressive behavior. There are a number of well-established clinical predictors of malignancy and recent studies have suggested that some of the patient’s laboratory data and image methods may be useful. Molecular markers have also been increasingly tested and some of them appear to be very promising, such as BRAF, a few GST genes and p53 polymorphisms. In addition, modern tools, such as immunocytochemical markers, and the measure of the fractal nature of chromatin organization may increase the specificity of the pathological diagnosis of malignancy and help ascertain the prognosis. Guidelines designed to select nodules for further evaluation, as well as new methods aimed at distinguishing carcinomas of higher aggressiveness among the usually indolent thyroid tumors are an utmost necessity.
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Affiliation(s)
- Laura Sterian Ward
- Molecular Genetics of Cancer Laboratory, Department of Medicine, Head and Neck Surgery, State University of Campinas, SP, Brazil.
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Bignold LP. Variation, "evolution", immortality and genetic instabilities in tumour cells. Cancer Lett 2007; 253:155-69. [PMID: 17250959 DOI: 10.1016/j.canlet.2006.12.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2006] [Revised: 11/28/2006] [Accepted: 12/01/2006] [Indexed: 11/18/2022]
Abstract
The pathological characteristics of tumour cells often include variation of their histopathological features (i.e. "degrees of de-differentiation") between cases of the same tumour type and between different foci within individual tumours. Usually, only a few cell lines from tumours are immortal. Currently, somatic mutation, replicative infidelity of DNA and aneuploidy are suggested as alternative mechanisms of genomic disturbance underlying tumours. Nevertheless, apart from Hansemann's ideas of "anaplasia" and "de-differentiation" (proposed in the 1890s), and supposed "evolutionary themes" in cancer cell biology, little has been published concerning how histopathologic variation and immortality in tumour cells might arise. This paper reviews applications of the concepts of "variation" to tumours, including concepts of "evolution" and "cellular Darwinism". It is proposed that combinations of somatic mutation, DNA replicative infidelity and aneuploidy may explain the variabilities in tumours, and provide immortality in occasional tumour cells. A possible model involves (i) an initial somatic mutation causing reduced replicative fidelity of DNA, which could be variable in intensity, and thus give rise to variations between cases; (ii) a phase of replicative infidelity of DNA causing daughter cells lines to develop various abnormalities to different degrees, and hence provide for variation between areas of the same tumour. As a last event (iii) occasional asymmetric chromosomal distributions (aneuploidy) might "refresh" the ability of a daughter cell to replicate DNA faithfully causing them to become immortal. Thus extensively mutant and variable, hyperploid, and occasionally immortal cells might arise.
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Affiliation(s)
- L P Bignold
- Division of Tissue Pathology, Institute of Medical and Veterinary Science, P.O. Box 14, Rundle Mall, Adelaide, SA 5068, Australia.
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Axelrod R, Axelrod DE, Pienta KJ. Evolution of cooperation among tumor cells. Proc Natl Acad Sci U S A 2006; 103:13474-9. [PMID: 16938860 PMCID: PMC1557388 DOI: 10.1073/pnas.0606053103] [Citation(s) in RCA: 251] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The evolution of cooperation has a well established theoretical framework based on game theory. This approach has made valuable contributions to a wide variety of disciplines, including political science, economics, and evolutionary biology. Existing cancer theory suggests that individual clones of cancer cells evolve independently from one another, acquiring all of the genetic traits or hallmarks necessary to form a malignant tumor. It is also now recognized that tumors are heterotypic, with cancer cells interacting with normal stromal cells within the tissue microenvironment, including endothelial, stromal, and nerve cells. This tumor cell-stromal cell interaction in itself is a form of commensalism, because it has been demonstrated that these nonmalignant cells support and even enable tumor growth. Here, we add to this theory by regarding tumor cells as game players whose interactions help to determine their Darwinian fitness. We marshal evidence that tumor cells overcome certain host defenses by means of diffusible products. Our original contribution is to raise the possibility that two nearby cells can protect each other from a set of host defenses that neither could survive alone. Cooperation can evolve as by-product mutualism among genetically diverse tumor cells. Our hypothesis supplements, but does not supplant, the traditional view of carcinogenesis in which one clonal population of cells develops all of the necessary genetic traits independently to form a tumor. Cooperation through the sharing of diffusible products raises new questions about tumorigenesis and has implications for understanding observed phenomena, designing new experiments, and developing new therapeutic approaches.
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Affiliation(s)
- Robert Axelrod
- *Gerald R. Ford School of Public Policy and Department of Political Science, University of Michigan, Ann Arbor, MI 48109
- To whom correspondence should be addressed. E-mail:
| | - David E. Axelrod
- Department of Genetics and Cancer Institute of New Jersey, Rutgers, The State University of New Jersey, Piscataway, NJ 08854; and
| | - Kenneth J. Pienta
- Departments of Internal Medicine and Urology, University of Michigan Medical School, Ann Arbor, MI 48109
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Ahmed FE. Gene-gene, gene-environment & multiple interactions in colorectal cancer. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, ENVIRONMENTAL CARCINOGENESIS & ECOTOXICOLOGY REVIEWS 2006; 24:1-101. [PMID: 16690537 DOI: 10.1080/10590500600614295] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
This review comprehensively evaluates the influence of gene-gene, gene-environment and multiple interactions on the risk of colorectal cancer (CRC). Methods of studying these interactions and their limitations have been discussed herein. There is a need to develop biomarkers of exposure and of risk that are sensitive, specific, present in the pathway of the disease, and that have been clinically tested for routine use. The influence of inherited variation (polymorphism) in several genes has been discussed in this review; however, due to study limitations and confounders, it is difficult to conclude which ones are associated with the highest risk (either individually or in combination with environmental factors) to CRC. The majority of the sporadic cancer is believed to be due to modification of mutation risk by other genetic and/or environmental factors. Micronutrient deficiency may explain the association between low consumption of fruit/vegetables and CRC in human studies. Mitochondrial modulation by dietary factors influences the balance between cell renewal and death critical in colon mucosal homeostasis. Both genetic and epigenetic interactions are intricately dependent on each other, and collectively influence the process of colorectal tumorigenesis. The genetic and environmental interactions present a good prospect and a challenge for prevention strategies for CRC because they support the view that this highly prevalent cancer is preventable.
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Affiliation(s)
- Farid E Ahmed
- Department of Radiation Oncology, Leo W. Jenkins Cancer Center, The Brody School of Medicine, East Carolina University, Greenville, North, Carolina 27858, USA.
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Granja F, Morari J, Morari EC, Correa LAC, Assumpção LVM, Ward LS. GST profiling may be useful in the screening for thyroid nodule malignancy. Cancer Lett 2004; 209:129-37. [PMID: 15159014 DOI: 10.1016/j.canlet.2003.12.013] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2003] [Revised: 12/14/2003] [Accepted: 12/16/2003] [Indexed: 11/27/2022]
Abstract
Screening tools are of utmost necessity in order to identify individuals at risk for thyroid nodule cancer. The polymorphic inheritance of human drug-metabolizing enzymes, such as those encoded by the Glutathione-S-Transferase (GST) system, plays an important role in the development of most human cancers. GSTP1 enzyme is the most important detoxification enzyme in human head and neck tissues. An aminoacid substitution (1105V) in the GSTP1 gene result in two genotypes, GSTP1AB and GSTP1BB. Those produce a variant enzyme with lower activity and less capability of effective detoxification of carcinogens than the wild type GSTP1AA. In order to look for the influence of GSTP1 enzymes inheritance pattern on thyroid cancer risk we used a PCR-SSCP-sequencing approach to compare the genotypes of 98 malignant nodules, including 77 papillary carcinomas (PC) and 21 follicular carcinomas (FC), to 44 benign nodules and to 157 healthy control individuals. Individuals with history of previous thyroid disease, exposure to radiation and antecedents of malignancy were excluded. Patients with PC and FC showed a significant over-representation of the variants of GSTP1 allele compared to the control population (p < 0.0001 The risk for thyroid cancer in individuals with the variant GSTP1 enzymes, after adjusting for gender, age, tobacco and drugs use, increased 7,092 (CI: 2,307-21,802) and 9,625 (CI: 2.484-37.291) times for PC and FC, respectively. We suggest that GST genotype may be associated with an increased susceptibility to thyroid cancer. GSTP1 profiling from peripheral blood may be a simple and useful tool in the screening for thyroid nodule malignancy. Glutathione-S-Transferase system; GSTP; Thyroid cancer; Screening.
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Affiliation(s)
- Fabiana Granja
- Laboratory of Cancer Molecular Genetics, Department of Medicine, State University of Campinas, São Paulo, Olympio Pattaro 45, 13085-857. Brazil
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Christensen LA, Conti CJ, Fischer SM, Vasquez KM. Mutation frequencies in murine keratinocytes as a function of carcinogenic status. Mol Carcinog 2004; 40:122-33. [PMID: 15170817 DOI: 10.1002/mc.20026] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
A link between genetic abnormalities and carcinogenesis is well established. It follows that a correlation exists between mutation frequency and malignant progression. We have determined the spontaneous and DNA damage-induced mutation frequencies for a series of cell lines derived from SENCAR mouse keratinocytes at various stages of malignant progression. Nontumorigenic mouse keratinocytes (3PC), papillomas (MT1/2), squamous-cell carcinomas (CH72), and spindle-cell carcinomas (CH72T4) were transfected with damaged or undamaged shuttle vectors containing a supF mutation reporter gene. The plasmid mutation frequencies were determined by blue/white screening. The spontaneous plasmid mutation frequency of the squamous-cell carcinoma line was slightly higher than the mutation frequencies of the other cell lines tested. The DNA damage induced by triplex-directed psoralen crosslinks increased the mutation frequencies sixfold to eighteenfold in all cell lines tested, with no significant differences among the cell lines. Sequence analyses revealed that the spindle-cell carcinoma line had a different spontaneous mutation spectrum from the other cell lines. DNA damage-induced mutations were predominantly point mutations at the triplex-duplex junction in all of the cell lines tested, as expected. These data suggested that a strong mutator phenotype was not required for progression to an advanced malignant phenotype in our model system.
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Affiliation(s)
- Laura A Christensen
- Department of Carcinogenesis, The University of Texas M.D. Anderson Cancer Center, Science Park-Research Division, Smithville, Texas, USA
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