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Marchetti F, Cardoso R, Chen CL, Douglas GR, Elloway J, Escobar PA, Harper T, Heflich RH, Kidd D, Lynch AM, Myers MB, Parsons BL, Salk JJ, Settivari RS, Smith-Roe SL, Witt KL, Yauk CL, Young R, Zhang S, Minocherhomji S. Error-corrected next generation sequencing - Promises and challenges for genotoxicity and cancer risk assessment. MUTATION RESEARCH. REVIEWS IN MUTATION RESEARCH 2023; 792:108466. [PMID: 37643677 DOI: 10.1016/j.mrrev.2023.108466] [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: 03/09/2023] [Revised: 07/12/2023] [Accepted: 08/23/2023] [Indexed: 08/31/2023]
Abstract
Error-corrected Next Generation Sequencing (ecNGS) is rapidly emerging as a valuable, highly sensitive and accurate method for detecting and characterizing mutations in any cell type, tissue or organism from which DNA can be isolated. Recent mutagenicity and carcinogenicity studies have used ecNGS to quantify drug-/chemical-induced mutations and mutational spectra associated with cancer risk. ecNGS has potential applications in genotoxicity assessment as a new readout for traditional models, for mutagenesis studies in 3D organotypic cultures, and for detecting off-target effects of gene editing tools. Additionally, early data suggest that ecNGS can measure clonal expansion of mutations as a mechanism-agnostic early marker of carcinogenic potential and can evaluate mutational load directly in human biomonitoring studies. In this review, we discuss promising applications, challenges, limitations, and key data initiatives needed to enable regulatory testing and adoption of ecNGS - including for advancing safety assessment, augmenting weight-of-evidence for mutagenicity and carcinogenicity mechanisms, identifying early biomarkers of cancer risk, and managing human health risk from chemical exposures.
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Affiliation(s)
| | | | - Connie L Chen
- Health and Environmental Sciences Institute, Washington, DC, USA.
| | | | - Joanne Elloway
- Safety Sciences, Clinical Pharmacology & Safety Sciences, R&D, AstraZeneca, Cambridge, UK
| | | | - Tod Harper
- Amgen Research, Amgen Inc, Thousand Oaks, CA, USA
| | - Robert H Heflich
- US Food and Drug Administration/National Center for Toxicological Research, Jefferson, AR, USA
| | - Darren Kidd
- Labcorp Early Development Laboratories Limited, Harrogate, North Yorkshire, UK
| | | | - Meagan B Myers
- US Food and Drug Administration/National Center for Toxicological Research, Jefferson, AR, USA
| | - Barbara L Parsons
- US Food and Drug Administration/National Center for Toxicological Research, Jefferson, AR, USA
| | | | | | | | - Kristine L Witt
- NIEHS, Division of the National Toxicology Program, Research Triangle Park, NC, USA
| | | | - Robert Young
- MilliporeSigma, Rockville, MD, USA; Current: Consultant, Bethesda, MD, USA
| | | | - Sheroy Minocherhomji
- Amgen Research, Amgen Inc, Thousand Oaks, CA, USA; Current: Eli Lilly and Company, Indianapolis, IN, USA
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2
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Bartlett TE, Evans I, Jones A, Barrett JE, Haran S, Reisel D, Papaikonomou K, Jones L, Herzog C, Pashayan N, Simões BM, Clarke RB, Evans DG, Ghezelayagh TS, Ponandai-Srinivasan S, Boggavarapu NR, Lalitkumar PG, Howell SJ, Risques RA, Rådestad AF, Dubeau L, Gemzell-Danielsson K, Widschwendter M. Antiprogestins reduce epigenetic field cancerization in breast tissue of young healthy women. Genome Med 2022; 14:64. [PMID: 35701800 PMCID: PMC9199133 DOI: 10.1186/s13073-022-01063-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 05/17/2022] [Indexed: 02/08/2023] Open
Abstract
Background Breast cancer is a leading cause of death in premenopausal women. Progesterone drives expansion of luminal progenitor cells, leading to the development of poor-prognostic breast cancers. However, it is not known if antagonising progesterone can prevent breast cancers in humans. We suggest that targeting progesterone signalling could be a means of reducing features which are known to promote breast cancer formation.
Methods In healthy premenopausal women with and without a BRCA mutation we studied (i) estrogen and progesterone levels in saliva over an entire menstrual cycle (n = 20); (ii) cancer-free normal breast-tissue from a control population who had no family or personal history of breast cancer and equivalently from BRCA1/2 mutation carriers (n = 28); triple negative breast cancer (TNBC) biopsies and healthy breast tissue taken from sites surrounding the TNBC in the same individuals (n = 14); and biopsies of ER+ve/PR+ve stage T1–T2 cancers and healthy breast tissue taken from sites surrounding the cancer in the same individuals (n = 31); and (iii) DNA methylation and DNA mutations in normal breast tissue (before and after treatment) from clinical trials that assessed the potential preventative effects of vitamins and antiprogestins (mifepristone and ulipristal acetate; n = 44).
Results Daily levels of progesterone were higher throughout the menstrual cycle of BRCA1/2 mutation carriers, raising the prospect of targeting progesterone signalling as a means of cancer risk reduction in this population. Furthermore, breast field cancerization DNA methylation signatures reflective of (i) the mitotic age of normal breast epithelium and (ii) the proportion of luminal progenitor cells were increased in breast cancers, indicating that luminal progenitor cells with elevated replicative age are more prone to malignant transformation. The progesterone receptor antagonist mifepristone reduced both the mitotic age and the proportion of luminal progenitor cells in normal breast tissue of all control women and in 64% of BRCA1/2 mutation carriers. These findings were validated by an alternate progesterone receptor antagonist, ulipristal acetate, which yielded similar results. Importantly, mifepristone reduced both the TP53 mutation frequency as well as the number of TP53 mutations in mitotic-age-responders. Conclusions These data support the potential usage of antiprogestins for primary prevention of poor-prognostic breast cancers. Trial registration Clinical trial 1 Mifepristone treatment prior to insertion of a levonorgestrel releasing intrauterine system for improved bleeding control – a randomized controlled trial, clinicaltrialsregister.eu, 2009-009014-40; registered on 20 July 2009. Clinical trial 2 The effect of a progesterone receptor modulator on breast tissue in women with BRCA1 and 2 mutations, clinicaltrials.gov, NCT01898312; registered on 07 May 2013. Clinical trial 3 A pilot prevention study of the effects of the anti- progestin Ulipristal Acetate (UA) on surrogate markers of breast cancer risk, clinicaltrialsregister.eu, 2015-001587-19; registered on 15 July 2015. Supplementary Information The online version contains supplementary material available at 10.1186/s13073-022-01063-5.
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Affiliation(s)
- Thomas E Bartlett
- Department of Statistical Science, University College London, London, WC1E 7HB, UK
| | - Iona Evans
- Department of Women's Cancer, UCL EGA Institute for Women's Health, University College London, 74 Huntley Street, London, WC1E 6AU, UK
| | - Allison Jones
- Department of Women's Cancer, UCL EGA Institute for Women's Health, University College London, 74 Huntley Street, London, WC1E 6AU, UK
| | - James E Barrett
- Department of Women's Cancer, UCL EGA Institute for Women's Health, University College London, 74 Huntley Street, London, WC1E 6AU, UK.,European Translational Oncology Prevention and Screening (EUTOPS) Institute, Universität Innsbruck, 6060, Hall in Tirol, Austria.,Research Institute for Biomedical Aging Research, Universität Innsbruck, 6020, Innsbruck, Austria
| | - Shaun Haran
- Department of Women's Cancer, UCL EGA Institute for Women's Health, University College London, 74 Huntley Street, London, WC1E 6AU, UK
| | - Daniel Reisel
- Department of Women's Cancer, UCL EGA Institute for Women's Health, University College London, 74 Huntley Street, London, WC1E 6AU, UK
| | - Kiriaki Papaikonomou
- Department of Women's and Children's Health, Division of Obstetrics and Gynecology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
| | - Louise Jones
- Centre for Tumour Biology Department, Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Chiara Herzog
- European Translational Oncology Prevention and Screening (EUTOPS) Institute, Universität Innsbruck, 6060, Hall in Tirol, Austria.,Research Institute for Biomedical Aging Research, Universität Innsbruck, 6020, Innsbruck, Austria
| | - Nora Pashayan
- Department of Applied Health Research, University College London, 1-19 Torrington Place, London, WC1E 7HB, UK
| | - Bruno M Simões
- Breast Biology Group, Manchester Breast Centre, Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK, England
| | - Robert B Clarke
- Breast Biology Group, Manchester Breast Centre, Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK, England
| | - D Gareth Evans
- University of Manchester, St. Mary's Hospital, and University Hospital of South Manchester, Manchester, UK
| | - Talayeh S Ghezelayagh
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, 98195, USA.,Department of Obstetrics and Gynecology, University of Washington, Seattle, WA, 98195, USA
| | - Sakthivignesh Ponandai-Srinivasan
- Department of Women's and Children's Health, Division of Obstetrics and Gynecology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
| | - Nageswara R Boggavarapu
- Department of Women's and Children's Health, Division of Obstetrics and Gynecology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
| | - Parameswaran G Lalitkumar
- Department of Women's and Children's Health, Division of Obstetrics and Gynecology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
| | - Sacha J Howell
- Breast Biology Group, Manchester Breast Centre, Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK, England.,Department of Medical Oncology, The Christie NHS Foundation Trust, Manchester, UK
| | - Rosa Ana Risques
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, 98195, USA
| | - Angelique Flöter Rådestad
- Department of Women's and Children's Health, Division of Obstetrics and Gynecology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
| | - Louis Dubeau
- Department of Pathology, Keck School of Medicine, USC/Norris Comprehensive Cancer Centre, University of Southern California, Los Angeles, USA
| | - Kristina Gemzell-Danielsson
- Department of Women's and Children's Health, Division of Obstetrics and Gynecology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
| | - Martin Widschwendter
- Department of Women's Cancer, UCL EGA Institute for Women's Health, University College London, 74 Huntley Street, London, WC1E 6AU, UK. .,European Translational Oncology Prevention and Screening (EUTOPS) Institute, Universität Innsbruck, 6060, Hall in Tirol, Austria. .,Research Institute for Biomedical Aging Research, Universität Innsbruck, 6020, Innsbruck, Austria. .,Department of Women's and Children's Health, Division of Obstetrics and Gynecology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden.
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McKim KL, Myers MB, Harris KL, Gong B, Xu J, Parsons BL. CarcSeq Measurement of Rat Mammary Cancer Driver Mutations and Relation to Spontaneous Mammary Neoplasia. Toxicol Sci 2021; 182:142-158. [PMID: 33822199 DOI: 10.1093/toxsci/kfab040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The ability to deduce carcinogenic potential from subchronic, repeat dose rodent studies would constitute a major advance in chemical safety assessment and drug development. This study investigated an error-corrected NGS method (CarcSeq) for quantifying cancer driver mutations (CDMs) and deriving a metric of clonal expansion predictive of future neoplastic potential. CarcSeq was designed to interrogate subsets of amplicons encompassing hotspot CDMs applicable to a variety of cancers. Previously, normal human breast DNA was analyzed by CarcSeq and metrics based on mammary-specific CDMs were correlated with tissue donor age, a surrogate of breast cancer risk. Here we report development of parallel methodologies for rat. The utility of the rat CarcSeq method for predicting neoplastic potential was investigated by analyzing mammary tissue of 16-week-old untreated rats with known differences in spontaneous mammary neoplasia (Fischer 344, Wistar Han, and Sprague Dawley). Hundreds of mutants with mutant fractions ≥ 10-4 were quantified in each strain, most were recurrent mutations, and 42.5% of the nonsynonymous mutations have human homologs. Mutants in the mammary-specific target of the most tumor-sensitive strain (Sprague Dawley) showed the greatest nonsynonymous/synonymous mutation ratio, indicative of positive selection consistent with clonal expansion. For the mammary-specific target (Hras, Pik3ca, and Tp53 amplicons), median absolute deviation correlated with percentages of rats that develop spontaneous mammary neoplasia at 104 weeks (Pearson r = 1.0000, 1-tailed p = .0010). Therefore, this study produced evidence CarcSeq analysis of spontaneously occurring CDMs can be used to derive an early metric of clonal expansion relatable to long-term neoplastic outcome.
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Affiliation(s)
| | | | | | - Binsheng Gong
- Division of Bioinformatics and Biostatistics, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, Arkansas 72079, USA
| | - Joshua Xu
- Division of Bioinformatics and Biostatistics, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, Arkansas 72079, USA
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Harris KL, McKim KL, Myers MB, Gong B, Xu J, Parsons BL. Assessment of clonal expansion using CarcSeq measurement of lung cancer driver mutations and correlation with mouse strain- and sex-related incidence of spontaneous lung neoplasia. Toxicol Sci 2021; 184:1-14. [PMID: 34373914 DOI: 10.1093/toxsci/kfab098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Quantification of variation in levels of spontaneously occurring cancer driver mutations (CDMs) was developed to assess clonal expansion and predict future risk of neoplasm development. Specifically, an error-corrected next generation sequencing method, CarcSeq, and a mouse CarcSeq panel (analogous to human and rat panels) were developed and used to quantify low-frequency mutations in a panel of amplicons enriched in hotspot CDMs. Mutations in a subset of panel amplicons, Braf, Egfr, Kras, Stk11 and Tp53, were related to incidence of lung neoplasms at two years. This was achieved by correlating median absolute deviation (MAD) from the overall median mutant fraction (MF) measured in the lung DNA of 16-week-old male and female, B6C3F1 and CD-1 mice (10 mice/sex/strain) with percentages of spontaneous alveolar/bronchioloalveolar adenomas and carcinomas reported in bioassay control groups. 1,586 mouse lung mutants with MFs >1 x 10-4 were recovered. The ratio of non-synonymous to synonymous mutations was used to assess the proportion of recovered mutations conferring a positive selective advantage. The greatest ratio was observed in what is considered the most lung tumor-sensitive model examined, male B6C3F1 mice. Of the recurrent, non-synonymous mouse mutations recovered, 55.5% have been reported in human tumors, with many located in or around the mouse equivalent of human cancer hotspot codons. MAD for the same subset of amplicons measured in normal human lung DNA samples showed a correlation of moderate strength and borderline significance) with age (a cancer risk factor), as well as age-related cumulative lung cancer risk, suggesting MAD may inform species extrapolation.
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Affiliation(s)
- Kelly L Harris
- U.S. Food and Drug Administration, National Center for Toxicological Research, Division of Genetic and Molecular Toxicology, 3900 NCTR Rd, Jefferson, AR, 72079
| | - Karen L McKim
- U.S. Food and Drug Administration, National Center for Toxicological Research, Division of Genetic and Molecular Toxicology, 3900 NCTR Rd, Jefferson, AR, 72079
| | - Meagan B Myers
- U.S. Food and Drug Administration, National Center for Toxicological Research, Division of Genetic and Molecular Toxicology, 3900 NCTR Rd, Jefferson, AR, 72079
| | - Binsheng Gong
- U.S. Food and Drug Administration, National Center for Toxicological Research, Division of Bioinformatics and Biostatistics, 3900 NCTR Rd, Jefferson, AR, 72079
| | - Joshua Xu
- U.S. Food and Drug Administration, National Center for Toxicological Research, Division of Bioinformatics and Biostatistics, 3900 NCTR Rd, Jefferson, AR, 72079
| | - Barbara L Parsons
- U.S. Food and Drug Administration, National Center for Toxicological Research, Division of Genetic and Molecular Toxicology, 3900 NCTR Rd, Jefferson, AR, 72079
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