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Islam M, Yang Y, Simmons AJ, Shah VM, Pavan MK, Xu Y, Tasneem N, Chen Z, Trinh LT, Molina P, Ramirez-Solano MA, Sadien I, Dou J, Chen K, Magnuson MA, Rathmell JC, Macara IG, Winton D, Liu Q, Zafar H, Kalhor R, Church GM, Shrubsole MJ, Coffey RJ, Lau KS. Temporal recording of mammalian development and precancer. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.18.572260. [PMID: 38187699 PMCID: PMC10769302 DOI: 10.1101/2023.12.18.572260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Key to understanding many biological phenomena is knowing the temporal ordering of cellular events, which often require continuous direct observations [1, 2]. An alternative solution involves the utilization of irreversible genetic changes, such as naturally occurring mutations, to create indelible markers that enables retrospective temporal ordering [3-8]. Using NSC-seq, a newly designed and validated multi-purpose single-cell CRISPR platform, we developed a molecular clock approach to record the timing of cellular events and clonality in vivo , while incorporating assigned cell state and lineage information. Using this approach, we uncovered precise timing of tissue-specific cell expansion during murine embryonic development and identified new intestinal epithelial progenitor states by their unique genetic histories. NSC-seq analysis of murine adenomas and single-cell multi-omic profiling of human precancers as part of the Human Tumor Atlas Network (HTAN), including 116 scRNA-seq datasets and clonal analysis of 418 human polyps, demonstrated the occurrence of polyancestral initiation in 15-30% of colonic precancers, revealing their origins from multiple normal founders. Thus, our multimodal framework augments existing single-cell analyses and lays the foundation for in vivo multimodal recording, enabling the tracking of lineage and temporal events during development and tumorigenesis.
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2
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Sei Y, Forbes J, Da B, Chitsaz E, Feng J, Zhao X, Hughes MS, Wank SA. Diagnostic value of whole-mount crypt analysis of ileal biopsy specimens for the patients with familial small intestinal neuroendocrine tumors. Ther Adv Med Oncol 2023; 15:17588359231156871. [PMID: 36936198 PMCID: PMC10014972 DOI: 10.1177/17588359231156871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 01/27/2023] [Indexed: 03/14/2023] Open
Abstract
Background and Aims Early-stage small intestinal neuroendocrine tumors (SI-NETs) are generally asymptomatic and difficult to diagnose. As a result, patients often present with late-stage incurable disease. SI-NETs originate from enterochromaffin (EC) cells, which develop enteroendocrine cell (EEC) clusters consisting of a subset of EC cells at the crypt bottom at an early stage of tumor progression. In a familial form of SI-NET, EEC clusters arise in a multifocal and polyclonal fashion. We sought to determine whether early detection and analysis of cryptal EEC clusters could provide insight into the development of SI-NETs and allow successful pre-symptomatic screening for at risk family members of patients with SI-NETs. Methods Isolated crypts from endoscopic ileal biopsies or surgically removed specimens from 43 patients with familial SI-NET and 20 controls were formalin-fixed, immunostained for chromogranin A, and examined by confocal three-dimensional analysis for the presence of EEC cluster formations. Results Examination of multiple areas of macroscopic tumor-free mucosa in surgically resected specimens from patients with familial SI-NET revealed widely distributed, independent, multifocal EEC micro-tumor formations of varying sizes. Consistent with this finding, randomly sampled ileal biopsy specimens identified aberrant crypt containing endocrine cell clusters (ACECs) in patients. ACECs were found exclusively in patients (23/43, 53%) and not in controls (0/20). Furthermore, analysis of positions and numbers of EECs in crypts and ACECs indicated significant increases in EECs at the crypt bottom, predominantly at positions 0 and 1' (p < 0.0001 compared to controls), suggesting the progression of EEC accumulation below +4 position as the early process of ACEC formation. These findings also suggested that ACECs were precursors in the development of micro-tumors and subsequent macro-tumors. Conclusion This study indicates that SI-NETs develop from deep crypt EC cells to become ACECs, micro-tumors, and ultimately gross tumors. This process occurs widely throughout the distal small intestine in patients with familial SI-NETs consistent with but not exclusively explained by germline disease. Finally, analysis of crypts from ileal biopsies could contribute in part to earlier diagnostic screening processes avoiding late-stage presentation of incurable disease.
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Affiliation(s)
- Yoshitatsu Sei
- Digestive Diseases Branch, National Institute
of Diabetes and Digestive and Kidney Diseases, National Institutes of
Health, Bethesda, MD, USA
| | - Joanne Forbes
- Digestive Diseases Branch, National Institute
of Diabetes and Digestive and Kidney Diseases, National Institutes of
Health, Bethesda, MD, USA
| | - Ben Da
- Digestive Diseases Branch, National Institute
of Diabetes and Digestive and Kidney Diseases, National Institutes of
Health, Bethesda, MD, USA
| | - Ehsan Chitsaz
- Digestive Diseases Branch, National Institute
of Diabetes and Digestive and Kidney Diseases, National Institutes of
Health, Bethesda, MD, USA
| | - Jianying Feng
- Digestive Diseases Branch, National Institute
of Diabetes and Digestive and Kidney Diseases, National Institutes of
Health, Bethesda, MD, USA
| | - Xilin Zhao
- Digestive Diseases Branch, National Institute
of Diabetes and Digestive and Kidney Diseases, National Institutes of
Health, Bethesda, MD, USA
| | - Marybeth S. Hughes
- Surgery Branch, National Cancer Institute,
National Institutes of Health, Bethesda, MD, USA
- Current Address: Surgical Oncology, East
Virginia Medical School, Norfolk, VA
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3
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Schoultz E, Johansson E, Moccia C, Jakubikova I, Ravi N, Liang S, Carlsson T, Montelius M, Patyra K, Kero J, Paulsson K, Fagman H, Bergo MO, Nilsson M. Tissue architecture delineates field cancerization in BRAFV600E-induced tumor development. Dis Model Mech 2022; 15:dmm048887. [PMID: 34379110 PMCID: PMC8380047 DOI: 10.1242/dmm.048887] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 05/24/2021] [Indexed: 12/29/2022] Open
Abstract
Cancer cells hijack developmental growth mechanisms but whether tissue morphogenesis and architecture modify tumorigenesis is unknown. Here, we characterized a new mouse model of sporadic thyroid carcinogenesis based on inducible expression of BRAF carrying a Val600 Glu (V600E) point mutation (BRAFV600E) from the thyroglobulin promoter (TgCreERT2). Spontaneous activation of this Braf-mutant allele due to leaky activity of the Cre recombinase revealed that intrinsic properties of thyroid follicles determined BRAF-mutant cell fate. Papillary thyroid carcinomas developed multicentrically within a normal microenvironment. Each tumor originated from a single follicle that provided a confined space for growth of a distinct tumor phenotype. Lineage tracing revealed oligoclonal tumor development in infancy and early selection of BRAFV600E kinase inhibitor-resistant clones. Somatic mutations were few, non-recurrent and limited to advanced tumors. Female mice developed larger tumors than males, reproducing the gender difference of human thyroid cancer. These data indicate that BRAFV600E-induced tumorigenesis is spatiotemporally regulated depending on the maturity and heterogeneity of follicles. Moreover, thyroid tissue organization seems to determine whether a BRAF-mutant lineage becomes a cancerized lineage. The TgCreERT2;BrafCA/+ sporadic thyroid cancer mouse model provides a new tool to evaluate drug therapy at different stages of tumor evolution.
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Affiliation(s)
- Elin Schoultz
- Sahlgrenska Center for Cancer Research, Department of Medical Chemistry and Cell Biology, Institute of Biomedicine, University of Gothenburg, SE-40530 Göteborg, Sweden
| | - Ellen Johansson
- Sahlgrenska Center for Cancer Research, Department of Medical Chemistry and Cell Biology, Institute of Biomedicine, University of Gothenburg, SE-40530 Göteborg, Sweden
| | - Carmen Moccia
- Sahlgrenska Center for Cancer Research, Department of Medical Chemistry and Cell Biology, Institute of Biomedicine, University of Gothenburg, SE-40530 Göteborg, Sweden
| | - Iva Jakubikova
- Faculty of Medicine, Charles University, Hradec Kralove, Czech Republic
| | - Naveen Ravi
- Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Lund SE-22184, Sweden
| | - Shawn Liang
- Sahlgrenska Center for Cancer Research, Department of Medical Chemistry and Cell Biology, Institute of Biomedicine, University of Gothenburg, SE-40530 Göteborg, Sweden
| | - Therese Carlsson
- Sahlgrenska Center for Cancer Research, Department of Medical Chemistry and Cell Biology, Institute of Biomedicine, University of Gothenburg, SE-40530 Göteborg, Sweden
| | - Mikael Montelius
- Department of Radiology, Institute of Clinical Sciences, University of Gothenburg, SE-41345 Göteborg, Sweden
| | - Konrad Patyra
- Department of Endocrinology, University of Turku, Åbo FI-20521, Finland
| | - Jukka Kero
- Department of Endocrinology, University of Turku, Åbo FI-20521, Finland
| | - Kajsa Paulsson
- Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Lund SE-22184, Sweden
| | - Henrik Fagman
- Sahlgrenska Center for Cancer Research, Department of Medical Chemistry and Cell Biology, Institute of Biomedicine, University of Gothenburg, SE-40530 Göteborg, Sweden
- Department of Clinical Pathology, Sahlgrenska University Hospital, Göteborg SE-41345, Sweden
| | - Martin O. Bergo
- Department of Biosciences and Nutrition, Karolinska Institute, Huddinge SE-14183, Sweden
| | - Mikael Nilsson
- Sahlgrenska Center for Cancer Research, Department of Medical Chemistry and Cell Biology, Institute of Biomedicine, University of Gothenburg, SE-40530 Göteborg, Sweden
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4
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Leystra AA, Gilsdorf BJ, Wisinger AM, Warda ER, Wiegand S, Zahm CD, Matkowskyj KA, Deming DA, Khan N, Rosemarie Q, Sievers CK, Schwartz AR, Albrecht DM, Clipson L, Mukhtar H, Newton MA, Halberg RB. Multi-ancestral origin of intestinal tumors: Impact on growth, progression, and drug efficacy. Cancer Rep (Hoboken) 2021; 5:e1459. [PMID: 34245130 PMCID: PMC8842699 DOI: 10.1002/cnr2.1459] [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: 11/17/2020] [Revised: 03/24/2021] [Accepted: 04/21/2021] [Indexed: 11/07/2022] Open
Abstract
Background Data are steadily accruing that demonstrate that intestinal tumors are frequently derived from multiple founding cells, resulting in tumors comprised of distinct ancestral clones that might cooperate or alternatively compete, thereby potentially impacting different phases of the disease process. Aim We sought to determine whether tumors with a multi‐ancestral architecture involving at least two distinct clones show increased tumor number, growth, progression, or resistance to drug intervention. Methods Mice carrying the Min allele of Apc were generated that were mosaic with only a subset of cells in the intestinal epithelium expressing an activated form of PI3K, a key regulatory kinase affecting several important cellular processes. These cells were identifiable as they fluoresced green, whereas all other cells fluoresced red. Results Cell lineage tracing revealed that many intestinal tumors from our mouse model were derived from at least two founding cells, those expressing the activated PI3K (green) and those which did not (red). Heterotypic tumors with a multi‐ancestral architecture as evidenced by a mixture of green and red cells exhibited increased tumor growth and invasiveness. Clonal architecture also had an impact on tumor response to low‐dose aspirin. Aspirin treatment resulted in a greater reduction of heterotypic tumors derived from multiple founding cells as compared to tumors derived from a single founding cell. Conclusion These data indicate that genetically distinct tumor‐founding cells can contribute to early intratumoral heterogeneity. The coevolution of the founding cells and their progeny enhances colon tumor progression and impacts the response to aspirin. These findings are important to a more complete understanding of tumorigenesis with consequences for several distinct models of tumor evolution. They also have practical implications to the clinic. Mouse models with heterogenous tumors are likely better for predicting drug efficacy as compared to models in which the tumors are highly homogeneous. Moreover, understanding how interactions among different populations in a single heterotypic tumor with a multi‐ancestral architecture impact response to a single agent and combination therapies are necessary to fully develop personalized medicine.
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Affiliation(s)
- Alyssa A Leystra
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA.,Division of Gastroenterology and Hepatology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Brock J Gilsdorf
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Amanda M Wisinger
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Elise R Warda
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Shanna Wiegand
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Christopher D Zahm
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Kristina A Matkowskyj
- Department of Pathology and Laboratory Medicine, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA.,University of Wisconsin Carbone Cancer Center, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Dustin A Deming
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA.,Division of Hematology and Oncology, Department of Medicine, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Naghma Khan
- University of Wisconsin Carbone Cancer Center, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA.,Department of Dermatology, University of Wisconsin, Madison, Wisconsin, USA
| | - Quincy Rosemarie
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Chelsie K Sievers
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA.,Division of Gastroenterology and Hepatology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Alexander R Schwartz
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Dawn M Albrecht
- Division of Gastroenterology and Hepatology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Linda Clipson
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Hasan Mukhtar
- University of Wisconsin Carbone Cancer Center, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA.,Department of Dermatology, University of Wisconsin, Madison, Wisconsin, USA
| | - Michael A Newton
- Department of Statistics, University of Wisconsin-Madison, Madison, Wisconsin, USA.,Department of Biostatistics and Medical Informatics, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Richard B Halberg
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA.,Division of Gastroenterology and Hepatology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA.,University of Wisconsin Carbone Cancer Center, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA
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5
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Gonzalez-Meljem JM, Martinez-Barbera JP. Adamantinomatous craniopharyngioma as a model to understand paracrine and senescence-induced tumourigenesis. Cell Mol Life Sci 2021; 78:4521-4544. [PMID: 34019103 PMCID: PMC8195904 DOI: 10.1007/s00018-021-03798-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 12/03/2020] [Accepted: 01/15/2021] [Indexed: 01/10/2023]
Abstract
Cellular senescence is a process that can prevent tumour development in a cell autonomous manner by imposing a stable cell cycle arrest after oncogene activation. Paradoxically, senescence can also promote tumour growth cell non-autonomously by creating a permissive tumour microenvironment that fuels tumour initiation, progression to malignancy and metastasis. In a pituitary tumour known as adamantinomatous craniopharyngioma (ACP), cells that carry oncogenic β-catenin mutations and overactivate the WNT signalling pathway form cell clusters that become senescent and activate a senescence-associated secretory phenotype (SASP). Research in mouse models of ACP has provided insights into the function of the senescent cell clusters and revealed a critical role for SASP-mediated activities in paracrine tumour initiation. In this review, we first discuss this research on ACP and subsequently explore the theme of paracrine tumourigenesis in other tumour models available in the literature. Evidence is accumulating supporting the notion that paracrine signalling brought about by senescent cells may underlie tumourigenesis across different tumours and cancer models.
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Affiliation(s)
| | - Juan Pedro Martinez-Barbera
- Developmental Biology and Cancer Research and Teaching Programme, Birth Defects Research Centre, UCL Great Ormond Street Institute of Child Health, London, UK.
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6
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Sei Y, Feng J, Zhao X, Wank SA. Role of an active reserve stem cell subset of enteroendocrine cells in intestinal stem cell dynamics and the genesis of small intestinal neuroendocrine tumors. Am J Physiol Gastrointest Liver Physiol 2020; 319:G494-G501. [PMID: 32845170 PMCID: PMC7654644 DOI: 10.1152/ajpgi.00278.2020] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Small intestinal neuroendocrine tumors (SI-NET) are serotonin-secreting well-differentiated neuroendocrine tumors of putative enterochromaffin (EC) cell origin. Recent studies recognize a subset of EC cells that is label-retaining at the +4 position in the crypt and functions as a reserve intestinal stem cell. Importantly, this +4 reserve EC cell subset not only contributes to regeneration of the intestinal epithelium during injury and inflammation but also to basal crypt homeostasis at a constant rate. The latter function suggests that the +4 EC cell subset serves as an active reserve stem cell via a constant rate of dedifferentiation. Characterization of early tumor formation of SI-NET, observed as crypt-based EC cell clusters in many cases of familial SI-NETs, suggests that the +4 active reserve EC cell subset is the cell of origin. This newly discovered active reserve stem cell property of EC cells can account for unique biological mechanisms and processes associated with the genesis and development of SI-NETs. The recognition of this property of the +4 active reserve EC cell subset may provide novel opportunities to explore NETs in the gastrointestinal tract and other organs.
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Affiliation(s)
- Yoshitatsu Sei
- Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland
| | - Jianying Feng
- Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland
| | - Xilin Zhao
- Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland
| | - Stephen A. Wank
- Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland
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7
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Harris KL, Myers MB, McKim KL, Elespuru RK, Parsons BL. Rationale and Roadmap for Developing Panels of Hotspot Cancer Driver Gene Mutations as Biomarkers of Cancer Risk. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2020; 61:152-175. [PMID: 31469467 PMCID: PMC6973253 DOI: 10.1002/em.22326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 08/23/2019] [Accepted: 08/26/2019] [Indexed: 05/24/2023]
Abstract
Cancer driver mutations (CDMs) are necessary and causal for carcinogenesis and have advantages as reporters of carcinogenic risk. However, little progress has been made toward developing measurements of CDMs as biomarkers for use in cancer risk assessment. Impediments for using a CDM-based metric to inform cancer risk include the complexity and stochastic nature of carcinogenesis, technical difficulty in quantifying low-frequency CDMs, and lack of established relationships between cancer driver mutant fractions and tumor incidence. Through literature review and database analyses, this review identifies the most promising targets to investigate as biomarkers of cancer risk. Mutational hotspots were discerned within the 20 most mutated genes across the 10 deadliest cancers. Forty genes were identified that encompass 108 mutational hotspot codons overrepresented in the COSMIC database; 424 different mutations within these hotspot codons account for approximately 63,000 tumors and their prevalence across tumor types is described. The review summarizes literature on the prevalence of CDMs in normal tissues and suggests such mutations are direct and indirect substrates for chemical carcinogenesis, which occurs in a spatially stochastic manner. Evidence that hotspot CDMs (hCDMs) frequently occur as tumor subpopulations is presented, indicating COSMIC data may underestimate mutation prevalence. Analyses of online databases show that genes containing hCDMs are enriched in functions related to intercellular communication. In its totality, the review provides a roadmap for the development of tissue-specific, CDM-based biomarkers of carcinogenic potential, comprised of batteries of hCDMs and can be measured by error-correct next-generation sequencing. Environ. Mol. Mutagen. 61:152-175, 2020. Published 2019. This article is a U.S. Government work and is in the public domain in the USA. Environmental and Molecular Mutagenesis published by Wiley Periodicals, Inc. on behalf of Environmental Mutagen Society.
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Affiliation(s)
- Kelly L. Harris
- Division of Genetic and Molecular ToxicologyNational Center for Toxicological Research, US Food and Drug AdministrationJeffersonArkansas
| | - Meagan B. Myers
- Division of Genetic and Molecular ToxicologyNational Center for Toxicological Research, US Food and Drug AdministrationJeffersonArkansas
| | - Karen L. McKim
- Division of Genetic and Molecular ToxicologyNational Center for Toxicological Research, US Food and Drug AdministrationJeffersonArkansas
| | - Rosalie K. Elespuru
- Division of Biology, Chemistry and Materials ScienceCDRH/OSEL, US Food and Drug AdministrationSilver SpringMaryland
| | - Barbara L. Parsons
- Division of Genetic and Molecular ToxicologyNational Center for Toxicological Research, US Food and Drug AdministrationJeffersonArkansas
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8
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Harada T, Yamamoto E, Yamano HO, Aoki H, Matsushita HO, Yoshikawa K, Takagi R, Harada E, Tanaka Y, Yoshida Y, Eizuka M, Yorozu A, Sudo G, Kitajima H, Niinuma T, Kai M, Sasaki Y, Tokino T, Sugai T, Nakase H, Suzuki H. Surface microstructures are associated with mutational intratumoral heterogeneity in colorectal tumors. J Gastroenterol 2018; 53:1241-1252. [PMID: 29948303 DOI: 10.1007/s00535-018-1481-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 05/31/2018] [Indexed: 02/04/2023]
Abstract
BACKGROUND Recent studies revealed that colorectal tumors are composed of genetically diverse subclones. We aimed to clarify whether the surface microstructures of colorectal tumors are associated with genetic intratumoral heterogeneity (ITH). METHODS The surface microstructures (pit patterns) of colorectal tumors were observed using magnifying endoscopy, and biopsy specimens were obtained from respective areas when tumors exhibited multiple pit patterns. A total of 711 specimens from 477 colorectal tumors were analyzed for BRAF, KRAS and TP53 mutations using pyrosequencing and direct sequencing. A panel of cancer-related genes was analyzed through targeted sequencing in 7 tumors. RESULTS Colorectal tumors with multiple pit patterns exhibited more advanced pit patterns and higher frequencies of KRAS and/or TP53 mutations than tumors with a single pit pattern. In tumors with multiple pit patterns, mutations were observed as public (common to all areas) or private (specific to certain areas), and private KRAS and/or TP53 mutations were often variable and unrelated to the pit pattern grade. Notably, invasive CRCs frequently exhibited public TP53 mutations, even in adenomatous areas, which is indicative of their early malignant potential. Targeted sequencing revealed additional public and private mutations in tumors with multiple pit patterns, indicating their single clonal origin. CONCLUSIONS Our results suggest intratumoral pit pattern variation does not simply reflect the process of colorectal tumor evolution, but instead represents genetically diverse subclones, and this diversity may be associated with malignant potential.
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Affiliation(s)
- Taku Harada
- Department of Molecular Biology, Sapporo Medical University School of Medicine, S1, W17, Chuo-ku, Sapporo, 060-8556, Japan
- Center for Gastroenterology, Teine-Keijinkai Hospital, Sapporo, Japan
| | - Eiichiro Yamamoto
- Department of Molecular Biology, Sapporo Medical University School of Medicine, S1, W17, Chuo-ku, Sapporo, 060-8556, Japan
- Department of Gastroenterology and Hepatology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Hiro-O Yamano
- Department of Gastroenterology and Hepatology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Hironori Aoki
- Department of Molecular Biology, Sapporo Medical University School of Medicine, S1, W17, Chuo-ku, Sapporo, 060-8556, Japan
- Center for Gastroenterology, Teine-Keijinkai Hospital, Sapporo, Japan
| | - Hiro-O Matsushita
- Department of Gastroenterology, Akita Red Cross Hospital, Akita, Japan
| | - Kenjiro Yoshikawa
- Department of Gastroenterology, Akita Red Cross Hospital, Akita, Japan
| | - Ryo Takagi
- Department of Gastroenterology, Akita Red Cross Hospital, Akita, Japan
| | - Eiji Harada
- Department of Gastroenterology, Akita Red Cross Hospital, Akita, Japan
| | - Yoshihito Tanaka
- Department of Gastroenterology, Akita Red Cross Hospital, Akita, Japan
| | - Yuko Yoshida
- Department of Gastroenterology, Akita Red Cross Hospital, Akita, Japan
| | - Makoto Eizuka
- Department of Molecular Diagnostic Pathology, Iwate Medical University, Morioka, Japan
| | - Akira Yorozu
- Department of Molecular Biology, Sapporo Medical University School of Medicine, S1, W17, Chuo-ku, Sapporo, 060-8556, Japan
| | - Gota Sudo
- Department of Gastroenterology and Hepatology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Hiroshi Kitajima
- Department of Molecular Biology, Sapporo Medical University School of Medicine, S1, W17, Chuo-ku, Sapporo, 060-8556, Japan
| | - Takeshi Niinuma
- Department of Molecular Biology, Sapporo Medical University School of Medicine, S1, W17, Chuo-ku, Sapporo, 060-8556, Japan
| | - Masahiro Kai
- Department of Molecular Biology, Sapporo Medical University School of Medicine, S1, W17, Chuo-ku, Sapporo, 060-8556, Japan
| | - Yasushi Sasaki
- Department of Medical Genome Science, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takashi Tokino
- Department of Medical Genome Science, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Tamotsu Sugai
- Department of Molecular Diagnostic Pathology, Iwate Medical University, Morioka, Japan
| | - Hiroshi Nakase
- Department of Gastroenterology and Hepatology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Hiromu Suzuki
- Department of Molecular Biology, Sapporo Medical University School of Medicine, S1, W17, Chuo-ku, Sapporo, 060-8556, Japan.
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9
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Parsons BL. Multiclonal tumor origin: Evidence and implications. MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2018; 777:1-18. [PMID: 30115427 DOI: 10.1016/j.mrrev.2018.05.001] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 04/11/2018] [Accepted: 05/05/2018] [Indexed: 12/31/2022]
Abstract
An accurate understanding of the clonal origins of tumors is critical for designing effective strategies to treat or prevent cancer and for guiding the field of cancer risk assessment. The intent of this review is to summarize evidence of multiclonal tumor origin and, thereby, contest the commonly held assumption of monoclonal tumor origin. This review describes relevant studies of X chromosome inactivation, analyses of tumor heterogeneity using other markers, single cell sequencing, and lineage tracing studies in aggregation chimeras and engineered rodent models. Methods for investigating tumor clonality have an inherent bias against detecting multiclonality. Despite this, multiclonality has been observed within all tumor stages and within 53 different types of tumors. For myeloid tumors, monoclonal tumor origin may be the predominant path to cancer and a monoclonal tumor origin cannot be ruled out for a fraction of other cancer types. Nevertheless, a large body of evidence supports the conclusion that most cancers are multiclonal in origin. Cooperation between different cell types and between clones of cells carrying different genetic and/or epigenetic lesions is discussed, along with how polyclonal tumor origin can be integrated with current perspectives on the genesis of tumors. In order to develop biologically sound and useful approaches to cancer risk assessment and precision medicine, mathematical models of carcinogenesis are needed, which incorporate multiclonal tumor origin and the contributions of spontaneous mutations in conjunction with the selective advantages conferred by particular mutations and combinations of mutations. Adherence to the idea that a growth must develop from a single progenitor cell to be considered neoplastic has outlived its usefulness. Moving forward, explicit examination of tumor clonality, using advanced tools, like lineage tracing models, will provide a strong foundation for future advances in clinical oncology and better training for the next generation of oncologists and pathologists.
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Affiliation(s)
- Barbara L Parsons
- US Food and Drug Administration, National Center for Toxicological Research, Division of Genetic and Molecular Toxicology, 3900 NCTR Rd., Jefferson, AR 72079, United States.
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10
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Testa U, Pelosi E, Castelli G. Colorectal cancer: genetic abnormalities, tumor progression, tumor heterogeneity, clonal evolution and tumor-initiating cells. Med Sci (Basel) 2018; 6:E31. [PMID: 29652830 PMCID: PMC6024750 DOI: 10.3390/medsci6020031] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 03/24/2018] [Accepted: 04/03/2018] [Indexed: 02/08/2023] Open
Abstract
Colon cancer is the third most common cancer worldwide. Most colorectal cancer occurrences are sporadic, not related to genetic predisposition or family history; however, 20-30% of patients with colorectal cancer have a family history of colorectal cancer and 5% of these tumors arise in the setting of a Mendelian inheritance syndrome. In many patients, the development of a colorectal cancer is preceded by a benign neoplastic lesion: either an adenomatous polyp or a serrated polyp. Studies carried out in the last years have characterized the main molecular alterations occurring in colorectal cancers, showing that the tumor of each patient displays from two to eight driver mutations. The ensemble of molecular studies, including gene expression studies, has led to two proposed classifications of colorectal cancers, with the identification of four/five non-overlapping groups. The homeostasis of the rapidly renewing intestinal epithelium is ensured by few stem cells present at the level of the base of intestinal crypts. Various experimental evidence suggests that colorectal cancers may derive from the malignant transformation of intestinal stem cells or of intestinal cells that acquire stem cell properties following malignant transformation. Colon cancer stem cells seem to be involved in tumor chemoresistance, radioresistance and relapse.
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Affiliation(s)
- Ugo Testa
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy.
| | - Elvira Pelosi
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy.
| | - Germana Castelli
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy.
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11
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Ballestero Fêo H, Montoya Flórez L, Yamatogi RS, Prado Duzanski A, Araújo JP, Oliveira RA, Rocha NS. Does the tumour microenvironment alter tumorigenesis and clinical response in transmissible venereal tumour in dogs? Vet Comp Oncol 2018; 16:370-378. [DOI: 10.1111/vco.12388] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 12/20/2017] [Accepted: 01/04/2018] [Indexed: 12/22/2022]
Affiliation(s)
- H. Ballestero Fêo
- Department of Veterinary Clinics, Faculty of Veterinary Medicine; UNESP; Botucatu Brazil
| | - L. Montoya Flórez
- Department of Veterinary Clinics, Faculty of Veterinary Medicine; UNESP; Botucatu Brazil
- Veterinary Pathology Research Group, Faculty of Agricultural Sciences; Universidad de Caldas; Manizales Colombia
- Universidad Pedagógica y Tecnológica de Colombia; Boyacá Colombia
| | - R. S. Yamatogi
- Department of Veterinary; Federal University of Viçosa; Viçosa Brazil
| | - A. Prado Duzanski
- Department of Veterinary Clinics, Faculty of Veterinary Medicine; UNESP; Botucatu Brazil
- Department of Pathology, Botucatu Medical School; UNESP; Botucatu Brazil
| | - J. P. Araújo
- Institute of Biosciences, Department of Microbiology and Immunology, Laboratory of Virology; UNESP; Botucatu Brazil
| | - R. A. Oliveira
- Department of Biostatistics, Biosciences Institute - IB; UNESP; Botucatu Brazil
| | - N. S. Rocha
- Department of Veterinary Clinics, Faculty of Veterinary Medicine; UNESP; Botucatu Brazil
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12
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Cancer. CHIMERISM 2018. [DOI: 10.1007/978-3-319-89866-7_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Gausachs M, Borras E, Chang K, Gonzalez S, Azuara D, Delgado Amador A, Lopez-Doriga A, San Lucas FA, Sanjuan X, Paules MJ, Taggart MW, Davies GE, Ehli EA, Fowler J, Moreno V, Pineda M, You YN, Lynch PM, Lazaro C, Navin NE, Scheet PA, Hawk ET, Capella G, Vilar E. Mutational Heterogeneity in APC and KRAS Arises at the Crypt Level and Leads to Polyclonality in Early Colorectal Tumorigenesis. Clin Cancer Res 2017. [PMID: 28645942 DOI: 10.1158/1078-0432.ccr-17-0821] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Purpose: The majority of genomic alterations causing intratumoral heterogeneity (ITH) in colorectal cancer are thought to arise during early stages of carcinogenesis as a burst but only after truncal mutations in APC have expanded a single founder clone. We have investigated if the initial source of ITH is consequent to multiple independent lineages derived from different crypts harboring distinct truncal APC and driver KRAS mutations, thus challenging the prevailing monoclonal monocryptal model.Experimental Design: High-depth next-generation sequencing and SNP arrays were performed in whole-lesion extracts of 37 familial adenomatous polyposis colorectal adenomas. Also, ultrasensitive genotyping of hotspot mutations of APC and KRAS was performed using nanofluidic PCRs in matched bulk biopsies (n = 59) and crypts (n = 591) from 18 adenomas and seven carcinomas and adjacent normal tissues.Results: Multiple co-occurring truncal APC and driver KRAS alterations were uncovered in whole-lesion extracts from adenomas and subsequently confirmed to belong to multiple clones. Ultrasensitive genotyping of bulk biopsies and crypts revealed novel undetected APC mutations that were prominent among carcinomas, whereas abundant wild-type APC crypts were detected in adenomas. KRAS mutational heterogeneity within crypts was evident in both adenomas and carcinomas with a higher degree of concordance between biopsy and crypt genotyping in carcinomas. Nonrandom heterogeneity among crypts was also observed.Conclusions: The striking degree of nonrandom intercrypt heterogeneity in truncal and driver gene mutations observed in adenomas and carcinomas is consistent with a polycryptal model derived from multiple independent initiation linages as the source of early ITH in colorectal carcinogenesis. Clin Cancer Res; 23(19); 5936-47. ©2017 AACR.
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Affiliation(s)
- Mireia Gausachs
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO - IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Ester Borras
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Kyle Chang
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas.,Graduate School of Biomedical Sciences, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Sara Gonzalez
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO - IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain.,CIBERONC, Instituto de Salud Carlos III, Madrid, Spain
| | - Daniel Azuara
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO - IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain.,CIBERONC, Instituto de Salud Carlos III, Madrid, Spain
| | - Axel Delgado Amador
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Adriana Lopez-Doriga
- Cancer Prevention and Control Program, Catalan Institute of Oncology (ICO-IDIBELL) and CIBERESP, L'Hospitalet de Llobregat, Barcelona, Spain
| | - F Anthony San Lucas
- Department of Epidemiology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Xavier Sanjuan
- Department of Pathology, University Hospital Bellvitge (HUB - IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Maria J Paules
- Department of Pathology, University Hospital Bellvitge (HUB - IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Melissa W Taggart
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Gareth E Davies
- Avera Institute for Human Genetics, Sioux Falls, South Dakota
| | - Erik A Ehli
- Avera Institute for Human Genetics, Sioux Falls, South Dakota
| | - Jerry Fowler
- Department of Epidemiology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Victor Moreno
- Cancer Prevention and Control Program, Catalan Institute of Oncology (ICO-IDIBELL) and CIBERESP, L'Hospitalet de Llobregat, Barcelona, Spain.,Department of Clinical Sciences, Medical School, University of Barcelona, Barcelona, Spain
| | - Marta Pineda
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO - IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain.,CIBERONC, Instituto de Salud Carlos III, Madrid, Spain
| | - Y Nancy You
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas.,Clinical Cancer Genetics Program, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Patrick M Lynch
- Clinical Cancer Genetics Program, The University of Texas MD Anderson Cancer Center, Houston, Texas.,Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Conxi Lazaro
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO - IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain.,CIBERONC, Instituto de Salud Carlos III, Madrid, Spain
| | - Nicholas E Navin
- Graduate School of Biomedical Sciences, The University of Texas MD Anderson Cancer Center, Houston, Texas.,Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Paul A Scheet
- Graduate School of Biomedical Sciences, The University of Texas MD Anderson Cancer Center, Houston, Texas.,Department of Epidemiology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Ernest T Hawk
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Gabriel Capella
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO - IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain. .,CIBERONC, Instituto de Salud Carlos III, Madrid, Spain
| | - Eduardo Vilar
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas. .,Graduate School of Biomedical Sciences, The University of Texas MD Anderson Cancer Center, Houston, Texas.,Clinical Cancer Genetics Program, The University of Texas MD Anderson Cancer Center, Houston, Texas.,Department of GI Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
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14
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Sei Y, Feng J, Zhao X, Forbes J, Tang D, Nagashima K, Hanson J, Quezado MM, Hughes MS, Wank SA. Polyclonal Crypt Genesis and Development of Familial Small Intestinal Neuroendocrine Tumors. Gastroenterology 2016; 151:140-51. [PMID: 27003604 PMCID: PMC5578471 DOI: 10.1053/j.gastro.2016.03.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 03/10/2016] [Accepted: 03/11/2016] [Indexed: 01/17/2023]
Abstract
BACKGROUND & AIMS Small intestinal neuroendocrine tumors (SI-NETs) are serotonin-secreting well-differentiated neuroendocrine tumors believed to originate from enterochromaffin (EC) cells. Intestinal stem cell (ISC) are believed to contribute to the formation of SI-NETs, although little is known about tumor formation or development. We investigated the relationship between EC cells, ISCs, and SI-NETs. METHODS We analyzed jejuno-ileal tissue specimens from 14 patients with familial SI-NETs enrolled in the Natural History of Familial Carcinoid Tumor study at the National Institutes of Health from January 2009 to December 2014. Frozen and paraffin-embedded tumor tissues of different stages and isolated crypts were analyzed by in situ hybridization and immunohistochemistry. Tumor clonality was assessed by analyses of mitochondrial DNA. RESULTS We identified multifocal aberrant crypt-containing endocrine cell clusters (ACECs) that contain crypt EC cell microtumors in patients with familial SI-NETs. RNA in situ hybridization revealed expression of the EC cell and reserve stem cell genes TPH1, BMI1, HOPX, and LGR5(low), in the ACECs and more advanced extraepithelial tumor nests. This expression pattern resembled that of reserve EC cells that express reserve ISC genes; most reside at the +4 position in normal crypts. The presence of multifocal ACECs from separate tumors and in the macroscopic tumor-free mucosa indicated widespread, independent, multifocal tumorigenesis. Analyses of mitochondrial DNA confirmed the independent origin of the ACECs. CONCLUSIONS Familial SI-NETs originate from a subset of EC cells (reserve EC cells that express reserve ISC genes) via multifocal and polyclonal processes. Increasing our understanding of the role of these reserve EC cells in the genesis of multifocal SI-NETs could improve diagnostic and therapeutic strategies for this otherwise intractable disease.
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Affiliation(s)
- Yoshitatsu Sei
- Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892-1804
| | - Jianying Feng
- Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892-1804
| | - Xilin Zhao
- Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892-1804
| | - Joanne Forbes
- Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892-1804
| | - Derek Tang
- Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892-1804
| | - Kunio Nagashima
- Electron Microscopy Laboratory, Frederick National Laboratory for Cancer Research, Frederick, Maryland 21701
| | - Jeffrey Hanson
- Laboratory of Pathology, National Cancer Institute, National Institutes of Health
| | - Martha M. Quezado
- Laboratory of Pathology, National Cancer Institute, National Institutes of Health
| | - Marybeth S. Hughes
- Surgery Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892-1804
| | - Stephen A. Wank
- Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892-1804,To whom correspondence should be addressed. Stephen A. Wank, M.D., Address: DDB/NIDDK/NIH, 10/9C-101, Bethesda, MD 20892, , Phone: (301) 402-3704
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15
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Sievers CK, Leystra AA, Clipson L, Dove WF, Halberg RB. Understanding Intratumoral Heterogeneity: Lessons from the Analysis of At-Risk Tissue and Premalignant Lesions in the Colon. Cancer Prev Res (Phila) 2016; 9:638-41. [PMID: 27199343 DOI: 10.1158/1940-6207.capr-16-0096] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Accepted: 05/10/2016] [Indexed: 11/16/2022]
Abstract
Advances in DNA sequencing have created new opportunities to better understand the biology of cancers. Attention is currently focused on precision medicine: does a cancer carry a mutation that is targetable with already available drugs? But, the timing at which multiple, targetable mutations arise during the adenoma to carcinoma sequence remains unresolved. Borras and colleagues identified mutations and allelic imbalance in at-risk mucosa and early polyps in the human colon. Their analyses indicate that mutations in key genes can arise quite early during tumorigenesis and that polyps are often multiclonal with at least two clones. These results are consistent with the "Big Bang" model of tumorigenesis, which postulates that intratumoral heterogeneity is a consequence of a mutational burst in the first few cell divisions following initiation that drives divergence from a single founder with unique but related clones coevolving. Emerging questions center around the ancestry of the tumor and impact of early intratumoral heterogeneity on tumor establishment, growth, progression, and most importantly, response to therapeutic intervention. Additional sequencing studies in which samples, especially at-risk tissue and premalignant neoplasms, are analyzed from animal models and humans will further our understanding of tumorigenesis and lead to more effective strategies for prevention and treatment. Cancer Prev Res; 9(8); 638-41. ©2016 AACRSee related article by Borras, et al., Cancer Prev Res 2016;9(6):417-427.
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Affiliation(s)
- Chelsie K Sievers
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison, Madison, Wisconsin. Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Alyssa A Leystra
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison, Madison, Wisconsin. Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Linda Clipson
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison, Madison, Wisconsin
| | - William F Dove
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison, Madison, Wisconsin. Laboratory of Genetics, University of Wisconsin-Madison, Madison, Wisconsin
| | - Richard B Halberg
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison, Madison, Wisconsin. Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin. University of Wisconsin Carbone Cancer Center, Madison, Wisconsin.
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16
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Zahm CD, Szulczewski JM, Leystra AA, Paul Olson TJ, Clipson L, Albrecht DM, Middlebrooks M, Thliveris AT, Matkowskyj KA, Washington MK, Newton MA, Eliceiri KW, Halberg RB. Advanced Intestinal Cancers often Maintain a Multi-Ancestral Architecture. PLoS One 2016; 11:e0150170. [PMID: 26919712 PMCID: PMC4769224 DOI: 10.1371/journal.pone.0150170] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Accepted: 02/10/2016] [Indexed: 02/05/2023] Open
Abstract
A widely accepted paradigm in the field of cancer biology is that solid tumors are uni-ancestral being derived from a single founder and its descendants. However, data have been steadily accruing that indicate early tumors in mice and humans can have a multi-ancestral origin in which an initiated primogenitor facilitates the transformation of neighboring co-genitors. We developed a new mouse model that permits the determination of clonal architecture of intestinal tumors in vivo and ex vivo, have validated this model, and then used it to assess the clonal architecture of adenomas, intramucosal carcinomas, and invasive adenocarcinomas of the intestine. The percentage of multi-ancestral tumors did not significantly change as tumors progressed from adenomas with low-grade dysplasia [40/65 (62%)], to adenomas with high-grade dysplasia [21/37 (57%)], to intramucosal carcinomas [10/23 (43%]), to invasive adenocarcinomas [13/19 (68%)], indicating that the clone arising from the primogenitor continues to coexist with clones arising from co-genitors. Moreover, neoplastic cells from distinct clones within a multi-ancestral adenocarcinoma have even been observed to simultaneously invade into the underlying musculature [2/15 (13%)]. Thus, intratumoral heterogeneity arising early in tumor formation persists throughout tumorigenesis.
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Affiliation(s)
- Christopher D. Zahm
- Department of Oncology, University of Wisconsin–Madison, Madison, Wisconsin, United States of America
| | - Joseph M. Szulczewski
- Laboratory for Optical and Computational Instrumentation (LOCI), University of Wisconsin–Madison, Madison, Wisconsin, United States of America
- Laboratory of Cell and Molecular Biology, University of Wisconsin–Madison, Madison, Wisconsin, United States of America
| | - Alyssa A. Leystra
- Department of Oncology, University of Wisconsin–Madison, Madison, Wisconsin, United States of America
| | - Terrah J. Paul Olson
- Department of Surgery, University of Wisconsin–Madison, Madison, Wisconsin, United States of America
| | - Linda Clipson
- Department of Oncology, University of Wisconsin–Madison, Madison, Wisconsin, United States of America
| | - Dawn M. Albrecht
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Wisconsin–Madison, Madison, Wisconsin, United States of America
| | - Malisa Middlebrooks
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Wisconsin–Madison, Madison, Wisconsin, United States of America
| | - Andrew T. Thliveris
- Department of Ophthalmology and Visual Sciences, University of Wisconsin–Madison, Madison, Wisconsin, United States of America
| | - Kristina A. Matkowskyj
- Department of Pathology and Laboratory Medicine, University of Wisconsin–Madison, Madison, Wisconsin, United States of America
- Carbone Cancer Center, University of Wisconsin–Madison, Madison, Wisconsin, United States of America
| | - Mary Kay Washington
- Department of Pathology, Microbiology and Immunology, Vanderbilt University School of Medicine, Nashville, Tennessee, United States of America
| | - Michael A. Newton
- Carbone Cancer Center, University of Wisconsin–Madison, Madison, Wisconsin, United States of America
- Department of Biostatistics and Medical Informatics and Department of Statistics, University of Wisconsin–Madison, Madison, Wisconsin, United States of America
| | - Kevin W. Eliceiri
- Laboratory for Optical and Computational Instrumentation (LOCI), University of Wisconsin–Madison, Madison, Wisconsin, United States of America
- Laboratory of Cell and Molecular Biology, University of Wisconsin–Madison, Madison, Wisconsin, United States of America
- Carbone Cancer Center, University of Wisconsin–Madison, Madison, Wisconsin, United States of America
| | - Richard B. Halberg
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Wisconsin–Madison, Madison, Wisconsin, United States of America
- Carbone Cancer Center, University of Wisconsin–Madison, Madison, Wisconsin, United States of America
- * E-mail:
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17
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Tissot T, Arnal A, Jacqueline C, Poulin R, Lefèvre T, Mery F, Renaud F, Roche B, Massol F, Salzet M, Ewald P, Tasiemski A, Ujvari B, Thomas F. Host manipulation by cancer cells: Expectations, facts, and therapeutic implications. Bioessays 2016; 38:276-85. [PMID: 26849295 DOI: 10.1002/bies.201500163] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Similar to parasites, cancer cells depend on their hosts for sustenance, proliferation and reproduction, exploiting the hosts for energy and resources, and thereby impairing their health and fitness. Because of this lifestyle similarity, it is predicted that cancer cells could, like numerous parasitic organisms, evolve the capacity to manipulate the phenotype of their hosts to increase their own fitness. We claim that the extent of this phenomenon and its therapeutic implications are, however, underappreciated. Here, we review and discuss what can be regarded as cases of host manipulation in the context of cancer development and progression. We elaborate on how acknowledging the applicability of these principles can offer novel therapeutic and preventive strategies. The manipulation of host phenotype by cancer cells is one more reason to adopt a Darwinian approach in cancer research.
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Affiliation(s)
- Tazzio Tissot
- CREEC/MIVEGEC, UMR IRD/CNRS/UM 5290, Montpellier, France
| | - Audrey Arnal
- CREEC/MIVEGEC, UMR IRD/CNRS/UM 5290, Montpellier, France
| | | | - Robert Poulin
- Department of Zoology, University of Otago, Dunedin, New Zealand
| | | | - Frédéric Mery
- Evolution, Génomes, Comportement and Ecologie, CNRS, IRD, University of Paris-Sud, Université Paris Saclay, Gif-sur-Yvette, France
| | | | - Benjamin Roche
- CREEC/MIVEGEC, UMR IRD/CNRS/UM 5290, Montpellier, France.,Unité mixte internationale de Modélisation Mathématique et Informatique des Systèmes Complexes, (UMI IRD/UPMC UMMISCO), BondyCedex, France
| | - François Massol
- Université de Lille, UMR 8198, Unité EEP, Ecoimmunology Group, Lille, France
| | - Michel Salzet
- Laboratoire Protéomique, Réponse Inflammatoire et Spectrométrie de Masse (PRISM) INSERM U1192, Université Lille, Lille, France
| | - Paul Ewald
- Department of Biology and the Program on Disease Evolution, University of Louisville, Louisville, KY, USA
| | - Aurélie Tasiemski
- Université de Lille, UMR 8198, Unité EEP, Ecoimmunology Group, Lille, France
| | - Beata Ujvari
- Centre for Integrative Ecology, School of Life and Environmental Sciences, Deakin University, Waurn Ponds, VIC, Australia
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18
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Abstract
Although it is widely accepted that most cancers exhibit some degree of intratumour heterogeneity, we are far from understanding the dynamics that operate among subpopulations within tumours. There is growing evidence that cancer cells behave as communities, and increasing attention is now being directed towards the cooperative behaviour of subclones that can influence disease progression. As expected, these interactions can add a greater layer of complexity to therapeutic interventions in heterogeneous tumours, often leading to a poor prognosis. In this Review, we highlight studies that demonstrate such interactions in cancer and postulate ways to overcome them with better-designed therapeutic strategies.
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Affiliation(s)
- Doris P Tabassum
- 1] Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA. [2] BBS Program, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Kornelia Polyak
- 1] Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA. [2] BBS Program, Harvard Medical School, Boston, Massachusetts 02115, USA. [3] Department of Medicine, Brigham and Women's Hospital, 75 Francis Street, Boston, Massachusetts 02115, USA. [4] Department of Medicine, Harvard Medical School, Boston, Massachusetts 02115, USA
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19
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Bryan JN. Fetal Microchimerism in Cancer Protection and Promotion: Current Understanding in Dogs and the Implications for Human Health. AAPS JOURNAL 2015; 17:506-12. [PMID: 25693490 DOI: 10.1208/s12248-015-9731-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Accepted: 02/02/2015] [Indexed: 02/05/2023]
Abstract
Fetal microchimerism is the co-existence of small numbers of cells from genetically distinct individuals living within a mother's body following pregnancy. During pregnancy, bi-directional exchange of cells occurs resulting in maternal microchimerism and even sibling microchimerism in offspring. The presence of fetal microchimerism has been identified with lower frequency in patients with cancers such as breast and lymphoma and with higher frequency in patients with colon cancer and autoimmune diseases. Microchimeric cells have been identified in healing and healed tissues as well as normal and tumor tissues. This has led to the hypothesis that fetal microchimerism may play a protective role in some cancers and may provoke other cancers or autoimmune disease. The long periods of risk for these diseases make it a challenge to prospectively study this phenomenon in human populations. Dogs get similar cancers as humans, share our homes and environmental exposures, and live compressed life-spans, allowing easier prospective study of disease development. This review describes the current state of understanding of fetal microchimerism in humans and dogs and highlights the similarities of the common cancers mammary carcinoma, lymphoma, and colon cancer between the two species. Study of fetal microchimerism in dogs might hold the key to characterization of the type and function of microchimeric cells and their role in health and disease. Such an understanding could then be applied to preventing and treating disease in humans.
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Affiliation(s)
- Jeffrey N Bryan
- Department of Veterinary Medicine and Surgery, College of Veterinary Medicine, University of Missouri-Columbia, 900 E. Campus Drive, Columbia, Missouri, 65211, United States of America,
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Comertpay S, Pastorino S, Tanji M, Mezzapelle R, Strianese O, Napolitano A, Baumann F, Weigel T, Friedberg J, Sugarbaker P, Krausz T, Wang E, Powers A, Gaudino G, Kanodia S, Pass HI, Parsons BL, Yang H, Carbone M. Evaluation of clonal origin of malignant mesothelioma. J Transl Med 2014; 12:301. [PMID: 25471750 PMCID: PMC4255423 DOI: 10.1186/s12967-014-0301-3] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Accepted: 10/16/2014] [Indexed: 11/15/2022] Open
Abstract
Background The hypothesis that most cancers are of monoclonal origin is often accepted as a fact in the scientific community. This dogma arose decades ago, primarily from the study of hematopoietic malignancies and sarcomas, which originate as monoclonal tumors. The possible clonal origin of malignant mesothelioma (MM) has not been investigated. Asbestos inhalation induces a chronic inflammatory response at sites of fiber deposition that may lead to malignant transformation after 30-50 years latency. As many mesothelial cells are simultaneously exposed to asbestos fibers and to asbestos-induced inflammation, it may be possible that more than one cell undergoes malignant transformation during the process that gives rise to MM, and result in a polyclonal malignancy. Methods and results To investigate the clonality patterns of MM, we used the HUMARA (Human Androgen Receptor) assay to examine 16 biopsies from 14 women MM patients. Out of 16 samples, one was non-informative due to skewed Lyonization in its normal adjacent tissue. Fourteen out of the 15 informative samples revealed two electrophoretically distinct methylated HUMARA alleles, the Corrected Allele Ratio (CR) calculated on the allele peak areas indicating polyclonal origin MM. Conclusions Our results show that MM originate as polyclonal tumors and suggest that the carcinogenic “field effect” of mineral fibers leads to several premalignant clones that give rise to these polyclonal malignancies. Electronic supplementary material The online version of this article (doi:10.1186/s12967-014-0301-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Michele Carbone
- University of Hawaii Cancer Center, University of Hawaii at Manoa, Honolulu, HI, USA.
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Abstract
The fight against cancer has drawn researchers from a wide variety of disciplines, ranging from molecular biology to physics, but the perspective of an ecological theorist has been mostly overlooked. By thinking about the cells that make up a tumour as an endangered species, cancer vulnerabilities become more apparent. Studies in conservation biology and microbial experiments indicate that extinction is a complex phenomenon, which is often driven by the interaction of ecological and evolutionary processes. Recent advances in cancer research have shown that tumours, like species striving for survival, harbour intricate population dynamics, which suggests the possibility to exploit the ecology of tumours for treatment.
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Affiliation(s)
- Kirill S Korolev
- Bioinformatics Program, Boston University, 44 Cummington Mall, Boston, Massachusetts 02215, USA
| | - Joao B Xavier
- Memorial Sloan-Kettering Cancer Center, Computational Biology Program, New York, New York, USA
| | - Jeff Gore
- Massachusetts Institute of Technology, 400 Technology Square, NE46-609 Cambridge, Massachusetts, USA
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Functional and genetic studies of isolated cells from parathyroid tumors reveal the complex pathogenesis of parathyroid neoplasia. Proc Natl Acad Sci U S A 2014; 111:3092-7. [PMID: 24510902 DOI: 10.1073/pnas.1319742111] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Parathyroid adenomas (PAs) causing primary hyperparathyroidism (PHPT) are histologically heterogeneous yet have been historically viewed as largely monotypic entities arising from clonal expansion of a single transformed progenitor. Using flow cytometric analysis of resected adenomatous parathyroid glands, we have isolated and characterized chief cells, oxyphil cells, and tumor-infiltrating lymphocytes. The parathyroid chief and oxyphil cells produce parathyroid hormone (PTH), express the calcium-sensing receptor (CASR), and mobilize intracellular calcium in response to CASR activation. Parathyroid tumor infiltrating lymphocytes are T cells by immunophenotyping. Under normocalcemic conditions, oxyphil cells produce ∼50% more PTH than do chief cells, yet display significantly greater PTH suppression and calcium flux response to elevated calcium. In contrast, CASR expression and localization are equivalent in the respective parathyroid cell populations. Analysis of tumor clonality using X-linked inactivation assays in a patient-matched series of intact tumors, preparatively isolated oxyphil and chief cells, and laser-captured microdissected PA specimens demonstrate polyclonality in 5 of 14 cases. These data demonstrate the presence of functionally distinct oxyphil and chief cells within parathyroid primary adenomas and provide evidence that primary PA can arise by both clonal and polyclonal mechanisms. The clonal differences, biochemical activity, and relative abundance of these parathyroid adenoma subpopulations likely reflect distinct mechanisms of disease in PHPT.
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