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Liu Y, Su Z, Tavana O, Gu W. Understanding the complexity of p53 in a new era of tumor suppression. Cancer Cell 2024:S1535-6108(24)00133-8. [PMID: 38729160 DOI: 10.1016/j.ccell.2024.04.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/15/2024] [Accepted: 04/16/2024] [Indexed: 05/12/2024]
Abstract
p53 was discovered 45 years ago as an SV40 large T antigen binding protein, coded by the most frequently mutated TP53 gene in human cancers. As a transcription factor, p53 is tightly regulated by a rich network of post-translational modifications to execute its diverse functions in tumor suppression. Although early studies established p53-mediated cell-cycle arrest, apoptosis, and senescence as the classic barriers in cancer development, a growing number of new functions of p53 have been discovered and the scope of p53-mediated anti-tumor activity is largely expanded. Here, we review the complexity of different layers of p53 regulation, and the recent advance of the p53 pathway in metabolism, ferroptosis, immunity, and others that contribute to tumor suppression. We also discuss the challenge regarding how to activate p53 function specifically effective in inhibiting tumor growth without harming normal homeostasis for cancer therapy.
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Affiliation(s)
- Yanqing Liu
- Institute for Cancer Genetics, and Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians & Surgeons, Columbia University, New York, NY, USA
| | - Zhenyi Su
- Institute for Cancer Genetics, and Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians & Surgeons, Columbia University, New York, NY, USA
| | - Omid Tavana
- Institute for Cancer Genetics, and Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians & Surgeons, Columbia University, New York, NY, USA
| | - Wei Gu
- Institute for Cancer Genetics, and Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians & Surgeons, Columbia University, New York, NY, USA; Department of Pathology and Cell Biology, Vagelos College of Physicians & Surgeons, Columbia University, New York, NY, USA.
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2
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Sabile JMG, Swords R, Tyner JW. Evaluating targeted therapies in older patients with TP53-mutated AML. Leuk Lymphoma 2024:1-18. [PMID: 38646877 DOI: 10.1080/10428194.2024.2344057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 04/12/2024] [Indexed: 04/23/2024]
Abstract
Mutation of thetumor suppressor gene, TP53 (tumor protein 53), occurs in up to 15% of all patients with acute myeloid leukemia (AML) and is enriched within specific clinical subsets, most notably in older adults, and including secondary AML cases arising from preceding myeloproliferative neoplasm (MPN), myelodysplastic syndrome (MDS), patients exposed to prior DNA-damaging, cytotoxic therapies. In all cases, these tumors have remained difficult to effectively treat with conventional therapeutic regimens. Newer approaches fortreatmentofTP53-mutated AML have shifted to interventions that maymodulateTP53 function, target downstream molecular vulnerabilities, target non-p53 dependent molecular pathways, and/or elicit immunogenic responses. This review will describe the basic biology of TP53, the clinical and biological patterns of TP53 within myeloid neoplasms with a focus on elderly AML patients and will summarize newer therapeutic strategies and current clinical trials.
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Affiliation(s)
- Jean M G Sabile
- Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA
- Division of Hematology & Medical Oncology, Department of Medicine, Oregon Health & Science University, Portland, OR, USA
| | - Ronan Swords
- Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA
- Division of Hematology & Medical Oncology, Department of Medicine, Oregon Health & Science University, Portland, OR, USA
| | - Jeffrey W Tyner
- Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA
- Department of Cell, Developmental & Cancer Biology, Oregon Health & Science University, Portland, OR, USA
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3
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Stafylidis C, Vlachopoulou D, Kontandreopoulou CN, Diamantopoulos PΤ. Unmet Horizons: Assessing the Challenges in the Treatment of TP53-Mutated Acute Myeloid Leukemia. J Clin Med 2024; 13:1082. [PMID: 38398394 PMCID: PMC10889132 DOI: 10.3390/jcm13041082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 02/07/2024] [Accepted: 02/09/2024] [Indexed: 02/25/2024] Open
Abstract
Acute myeloid leukemia (AML) remains a challenging hematologic malignancy. The presence of TP53 mutations in AML poses a therapeutic challenge, considering that standard treatments face significant setbacks in achieving meaningful responses. There is a pressing need for the development of innovative treatment modalities to overcome resistance to conventional treatments attributable to the unique biology of TP53-mutated (TP53mut) AML. This review underscores the role of TP53 mutations in AML, examines the current landscape of treatment options, and highlights novel therapeutic approaches, including targeted therapies, combination regimens, and emerging immunotherapies, as well as agents being explored in preclinical studies according to their potential to address the unique hurdles posed by TP53mut AML.
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Affiliation(s)
| | | | | | - Panagiotis Τ. Diamantopoulos
- Hematology Unit, First Department of Internal Medicine, Laikon General Hospital, National and Kapodistrian University of Athens, 11527 Athens, Greece; (C.S.); (D.V.); (C.-N.K.)
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4
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Gou P, Liu D, Ganesan S, Lauret E, Maslah N, Parietti V, Zhang W, Meignin V, Kiladjian JJ, Cassinat B, Giraudier S. Genomic and functional impact of Trp53 inactivation in JAK2V617F myeloproliferative neoplasms. Blood Cancer J 2024; 14:1. [PMID: 38177095 PMCID: PMC10766605 DOI: 10.1038/s41408-023-00969-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 10/26/2023] [Accepted: 12/08/2023] [Indexed: 01/06/2024] Open
Abstract
Classical myeloproliferative neoplasms (MPNs) are characterized by the proliferation of myeloid cells and the risk of transformation into myelofibrosis or acute myeloid leukemia (AML) and TP53 mutations in MPN patients are linked to AML. However, JAK2V617F has been reported to impact the TP53 response to DNA damage, suggesting potential overlapping role of TP53 inactivation in MPN. We established a mouse model showing that JAK2V617F/Vav-Cre/Trp53-/- mice displayed a similar phenotype to JAK2V617F/Vav-Cre mice, but their proliferation was outcompeted in competitive grafts. RNA-Seq revealed that half of the genes affected by JAK2V617F were affected by p53-inactivation, including the interferon pathway. To validate this finding, mice were repopulated with a mixture of wild-type and JAK2V617F (or JAK2V617F/Vav-Cre/Trp53-/-) cells and treated with pegylated interferonα. JAK2V617F-reconstituted mice entered complete hematological remission, while JAK2V617F/Vav-Cre /Trp53-/--reconstituted mice did not, confirming that p53 loss induced interferon-α resistance. KEGG and Gene Ontology analyses of common deregulated genes showed that these genes were mainly implicated in cytokine response, proliferation, and leukemia evolution, illustrating that in this mouse model, the development of MPN is not affected by TP53 inactivation. Taken together, our results show that many genetic modifications induced by JAK2V617F are influenced by TP53, the MPN phenotype may not be. Trp53 loss alone is insufficient to induce rapid leukemic transformation in steady-state hematopoiesis in JAK2V617F MPN, and Trp53 loss may contribute to interferon resistance in MPN.
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Affiliation(s)
- Panhong Gou
- Inserm UMR-S 1131, Hôpital Saint-Louis, Paris, France
- Université de Paris Cité, Paris, France
| | - Duanya Liu
- Inserm UMR-S 1131, Hôpital Saint-Louis, Paris, France
- Université de Paris Cité, Paris, France
| | | | - Evelyne Lauret
- Université de Paris, Institut Cochin, Inserm U1016, CNRS UMR 8104, Paris, France
| | - Nabih Maslah
- Inserm UMR-S 1131, Hôpital Saint-Louis, Paris, France
- Université de Paris Cité, Paris, France
- Service de Biologie Cellulaire, Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Veronique Parietti
- Université de Paris Cité, Paris, France
- INSERM/CNRS US53/UAR2030, Institut de Recherche Saint-Louis, Paris, France
| | | | - Véronique Meignin
- Université de Paris Cité, Paris, France
- Histo-pathological Department, Hôpital Saint-Louis, Paris, France
| | - Jean-Jacques Kiladjian
- Inserm UMR-S 1131, Hôpital Saint-Louis, Paris, France
- Université de Paris Cité, Paris, France
- Centre Investigations Cliniques, Hôpital Saint-Louis, Paris, France
| | - Bruno Cassinat
- Inserm UMR-S 1131, Hôpital Saint-Louis, Paris, France
- Service de Biologie Cellulaire, Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Stephane Giraudier
- Inserm UMR-S 1131, Hôpital Saint-Louis, Paris, France.
- Université de Paris Cité, Paris, France.
- Service de Biologie Cellulaire, Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, Paris, France.
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5
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Harford JB. A Second Career for p53 as A Broad-Spectrum Antiviral? Viruses 2023; 15:2377. [PMID: 38140618 PMCID: PMC10747836 DOI: 10.3390/v15122377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 11/30/2023] [Accepted: 12/01/2023] [Indexed: 12/24/2023] Open
Abstract
As the world exits the global pandemic caused by the previously unknown SARS-CoV-2, we also mark the 30th anniversary of p53 being named "molecule of the year" by Science based on its role as a tumor suppressor. Although p53 was originally discovered in association with a viral protein, studies on its role in preventing carcinogenesis have far overshadowed research related to p53's role in viral infections. Nonetheless, there is an extensive body of scientific literature demonstrating that p53 is a critical component of host immune responses to viral infections. It is striking that diverse viruses have independently developed an impressive repertoire of varied mechanisms to counter the host defenses that are mediated by and through p53. The variety of ways developed by viruses to disrupt p53 in their hosts attests to the protein's importance in combatting viral pathogens. The present perspective aims to make the case that p53 ought to be considered a virus suppressor in addition to a tumor suppressor. It is hoped that additional research aimed at more fully understanding the role of p53 in antiviral immunity will result in the world being better positioned for the next pandemic than it was when SARS-CoV-2 emerged to produce COVID-19.
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Affiliation(s)
- Joe B Harford
- SynerGene Therapeutics, Inc., Potomac, MD 20854, USA
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Venugopal S, Loghavi S. Current State and Future Prospects of Diagnosis and Management of TP53-Mutated Myeloid Neoplasms. Pathobiology 2023; 91:45-54. [PMID: 37839402 DOI: 10.1159/000534566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 10/06/2023] [Indexed: 10/17/2023] Open
Abstract
TP53-mutated myeloid neoplasms including acute myeloid leukemia (AML) and myelodysplastic neoplasms (MDS) are notoriously treatment resistant with uniformly poor outcomes. TP53 status is an important prognostic indicator and early knowledge of the TP53 mutation/allelic state may assist in appropriate management including clinical trial enrollment for eligible patients. Thus far, no therapy has shown to demonstrate durable response or incremental survival benefit in TP53-mutated AML or MDS. Therefore, there is an urgent need for innovative therapies to improve the outcomes in this notoriously recalcitrant genomic subset. In this review, we dissect the biology, classification, prognosis, current treatment landscape, and the early phase evaluation of investigational agents in TP53-mutated AML and MDS.
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Affiliation(s)
- Sangeetha Venugopal
- Division of Hematology, Sylvester Comprehensive Cancer Center, University of Miami, Miami, Florida, USA
| | - Sanam Loghavi
- Department of Hematopathology, MD Anderson Cancer Center, Houston, Texas, USA
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7
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Elremeli M, Idaewor P, Rasheed N, Saad Abdalla Al-Zawi A. Li-Fraumeni Syndrome, A Rarity Among Rarities: A Case Report and Review of Literature. Cureus 2023; 15:e45462. [PMID: 37859908 PMCID: PMC10583736 DOI: 10.7759/cureus.45462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/18/2023] [Indexed: 10/21/2023] Open
Abstract
Li-Fraumeni syndrome (LFS) is a rare inherited cancer susceptibility disorder with a wide tumour spectrum, particularly in children and young adults. Patients with LFS have life-long cancer risk, and the most commonly encountered tumours include soft tissue sarcoma, breast cancer, brain tumours, osteosarcoma, leukaemia and adrenocortical carcinoma. LFS is associated with mutations in the tumour suppressor gene TP53, andnearly two-thirds of families with LFS have this germline mutation. However, the diagnosis of LFS is currently based on recognised strict clinical criteria regardless of the genetic mutation status, as a few families with the clinical characteristics and cancer predisposition of LFS do not have TP53 mutations. Breast cancer is particularly significant among the common malignancies associated with LFS as it is the most common cancer in women worldwide. We present a case of a 27-year-old woman with unilateral breast cancer, in whom further history revealed a brain tumour at the age of 14 years. Due to the early onset of breast cancer and history of childhood malignancy, we suspected LFS. Genetic testing revealed a TP53 mutation, further suggesting the diagnosis of LFS. This has important implications in managing this patient's breast cancer, as the need for risk-reducing mastectomy and arranging a special surveillance programme. It also has great implications for the patient's family members, especially in terms of psychological impact, particularly when the mutation has been detected in children. Also, there is a need for periodic surveillance, which can help in early diagnosis and timely treatment with a more favourable outcome.
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Affiliation(s)
- Mariam Elremeli
- Paediatrics-Allergy/Immunology, Imperial College London, London, GBR
| | - Philip Idaewor
- Histopathology/Cellular Pathology, Mid and South Essex National Health Service (NHS) Foundation Trust, Basildon, GBR
- Histopathology/Cellular Pathology, Basildon and Thurrock University Hospital National Health Service (NHS) Foundation Trust, Basildon, GBR
| | - Noreen Rasheed
- Radiology, Basildon and Thurrock University Hospital National Health Service (NHS) Foundation Trust, Basildon, GBR
| | - Abdalla Saad Abdalla Al-Zawi
- General and Breast Surgery, Mid and South Essex National Health Service (NHS) Foundation Trust, Basildon, GBR
- General and Breast Surgery, Basildon and Thurrock University Hospital National Health Service (NHS) Foundation Trust, Basildon, GBR
- General and Breast Surgery, Anglia Ruskin University, Chelmsford, GBR
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8
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Duncan A, Nousome D, Ricks R, Kuo HC, Ravindranath L, Dobi A, Cullen J, Srivastava S, Chesnut GT, Petrovics G, Kohaar I. Association of TP53 Single Nucleotide Polymorphisms with Prostate Cancer in a Racially Diverse Cohort of Men. Biomedicines 2023; 11:biomedicines11051404. [PMID: 37239075 DOI: 10.3390/biomedicines11051404] [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: 04/13/2023] [Revised: 04/25/2023] [Accepted: 05/05/2023] [Indexed: 05/28/2023] Open
Abstract
Growing evidence indicates the involvement of a genetic component in prostate cancer (CaP) susceptibility and clinical severity. Studies have reported the role of germline mutations and single nucleotide polymorphisms (SNPs) of TP53 as possible risk factors for cancer development. In this single institutional retrospective study, we identified common SNPs in the TP53 gene in AA and CA men and performed association analyses for functional TP53 SNPs with the clinico-pathological features of CaP. The SNP genotyping analysis of the final cohort of 308 men (212 AA; 95 CA) identified 74 SNPs in the TP53 region, with a minor allele frequency (MAF) of at least 1%. Two SNPs were non-synonymous in the exonic region of TP53: rs1800371 (Pro47Ser) and rs1042522 (Arg72Pro). The Pro47Ser variant had an MAF of 0.01 in AA but was not detected in CA. Arg72Pro was the most common SNP, with an MAF of 0.50 (0.41 in AA; 0.68 in CA). Arg72Pro was associated with a shorter time to biochemical recurrence (BCR) (p = 0.046; HR = 1.52). The study demonstrated ancestral differences in the allele frequencies of the TP53 Arg72Pro and Pro47Ser SNPs, providing a valuable framework for evaluating CaP disparities among AA and CA men.
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Affiliation(s)
- Allison Duncan
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
- F. Edward Hebert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Darryl Nousome
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
| | - Randy Ricks
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
| | - Huai-Ching Kuo
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
| | - Lakshmi Ravindranath
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine Inc., Bethesda, MD 20817, USA
| | - Albert Dobi
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine Inc., Bethesda, MD 20817, USA
| | - Jennifer Cullen
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
| | - Shiv Srivastava
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
| | - Gregory T Chesnut
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
- Urology Service, Walter Reed National Military Medical Center, Bethesda, MD 20814, USA
| | - Gyorgy Petrovics
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine Inc., Bethesda, MD 20817, USA
| | - Indu Kohaar
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine Inc., Bethesda, MD 20817, USA
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Smid M, Schmidt MK, Prager-van der Smissen WJC, Ruigrok-Ritstier K, Schreurs MAC, Cornelissen S, Garcia AM, Broeks A, Timmermans AM, Trapman-Jansen AMAC, Collée JM, Adank MA, Hooning MJ, Martens JWM, Hollestelle A. Breast cancer genomes from CHEK2 c.1100delC mutation carriers lack somatic TP53 mutations and display a unique structural variant size distribution profile. Breast Cancer Res 2023; 25:53. [PMID: 37161532 PMCID: PMC10169359 DOI: 10.1186/s13058-023-01653-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 05/02/2023] [Indexed: 05/11/2023] Open
Abstract
BACKGROUND CHEK2 c.1100delC was the first moderate-risk breast cancer (BC) susceptibility allele discovered. Despite several genomic, transcriptomic and functional studies, however, it is still unclear how exactly CHEK2 c.1100delC promotes tumorigenesis. Since the mutational landscape of a tumor reflects the processes that have operated on its development, the aim of this study was to uncover the somatic genomic landscape of CHEK2-associated BC. METHODS We sequenced primary BC (pBC) and normal genomes of 20 CHEK2 c.1100delC mutation carriers as well as their pBC transcriptomes. Including pre-existing cohorts, we exhaustively compared CHEK2 pBC genomes to those from BRCA1/2 mutation carriers, those that displayed homologous recombination deficiency (HRD) and ER- and ER+ pBCs, totaling to 574 pBC genomes. Findings were validated in 517 metastatic BC genomes subdivided into the same subgroups. Transcriptome data from 168 ER+ pBCs were used to derive a TP53-mutant gene expression signature and perform cluster analysis with CHEK2 BC transcriptomes. Finally, clinical outcome of CHEK2 c.1100delC carriers was compared with BC patients displaying somatic TP53 mutations in two well-described retrospective cohorts totaling to 942 independent pBC cases. RESULTS BC genomes from CHEK2 mutation carriers were most similar to ER+ BC genomes and least similar to those of BRCA1/2 mutation carriers in terms of tumor mutational burden as well as mutational signatures. Moreover, CHEK2 BC genomes did not show any evidence of HRD. Somatic TP53 mutation frequency and the size distribution of structural variants (SVs), however, were different compared to ER+ BC. Interestingly, BC genomes with bi-allelic CHEK2 inactivation lacked somatic TP53 mutations and transcriptomic analysis indicated a shared biology with TP53 mutant BC. Moreover, CHEK2 BC genomes had an increased frequency of > 1 Mb deletions, inversions and tandem duplications with peaks at specific sizes. The high chromothripsis frequency among CHEK2 BC genomes appeared, however, not associated with this unique SV size distribution profile. CONCLUSIONS CHEK2 BC genomes are most similar to ER+ BC genomes, but display unique features that may further unravel CHEK2-driven tumorigenesis. Increased insight into this mechanism could explain the shorter survival of CHEK2 mutation carriers that is likely driven by intrinsic tumor aggressiveness rather than endocrine resistance.
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Affiliation(s)
- Marcel Smid
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Marjanka K Schmidt
- Division of Molecular Pathology, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
- Department of Clinical Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | | | | | - Maartje A C Schreurs
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
- Division of Molecular Pathology, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
| | - Sten Cornelissen
- Core Facility Molecular Pathology & Biobanking, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
| | - Aida Marsal Garcia
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Annegien Broeks
- Core Facility Molecular Pathology & Biobanking, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
| | - A Mieke Timmermans
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | | | - J Margriet Collée
- Department of Clinical Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Muriel A Adank
- Family Cancer Clinic, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
| | - Maartje J Hooning
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - John W M Martens
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Antoinette Hollestelle
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands.
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10
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Xie J, Lin Y, Li Y, Fang A, Li X, Wang S, Li W. lncRNA TRHDE-AS1 Correlated with Genomic Landscape and Clinical Outcome in Glioma. Genes (Basel) 2023; 14:genes14051052. [PMID: 37239411 DOI: 10.3390/genes14051052] [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: 03/27/2023] [Revised: 05/04/2023] [Accepted: 05/05/2023] [Indexed: 05/28/2023] Open
Abstract
The role of lncRNA in cancer development has received more and more attention in research. A variety of lncRNAs are associated with the occurrence and development of glioma. However, the role of TRHDE-AS1 in glioma is still unknown. In this study, we explored the role of TRHDE-AS1 in glioma through bioinformatic methods. We first identified an association between TRHDE-AS1 and tumor prognosis in pan-cancer analysis. Subsequently, the expression levels of TRHDE-AS1 in various clinical types of glioma were compared, and significant differences were found in pathological classification, WHO classification, molecular classification, IDH mutation, and age stratification. We analyzed the genes co-expressed with TRHDE-AS1 in glioma. In the functional analysis of TRHDE-AS1, we found that TRHDE-AS1 may be involved in the regulation of synapse-related functions. In glioma cancer driver gene correlation analysis, it was also found that TRHDE-AS1 was significantly correlated with the expression levels of multiple driver genes such as TP53, BRAF, and IDH1. By comparing the mutant profiles of the high and low TRHDE-AS1 groups, we also found that there may be differences in TP53 and CIC gene mutations in low-grade gliomas. Subsequent correlation analysis between TRHDE-AS1 and glioma immune microenvironment showed that the expression level of TRHDE-AS1 was correlated with a variety of immune cells. Therefore, we believe that TRHDE-AS1 is involved in the occurrence and development of glioma and has the ability to predict the prognosis of glioma as a biomarker of glioma.
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Affiliation(s)
- Jinxuan Xie
- School of Public Health, Capital Medical University, Beijing 100069, China
- National Institute for Data Science in Health and Medicine, Capital Medical University, Beijing 100069, China
| | - Yi Lin
- Department of Neuro-Oncology, Cancer Center, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Yajie Li
- National Institute for Data Science in Health and Medicine, Capital Medical University, Beijing 100069, China
- Department of Neuro-Oncology, Cancer Center, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Aizhong Fang
- National Institute for Data Science in Health and Medicine, Capital Medical University, Beijing 100069, China
- Department of Neuro-Oncology, Cancer Center, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Xin Li
- School of Public Health, Capital Medical University, Beijing 100069, China
- National Institute for Data Science in Health and Medicine, Capital Medical University, Beijing 100069, China
| | - Songlin Wang
- Salivary Gland Disease Center and Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Beijing Laboratory of Oral Health, Capital Medical University, Beijing 100050, China
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
| | - Wenbin Li
- Department of Neuro-Oncology, Cancer Center, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
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11
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Choi DJ, Armstrong G, Lozzi B, Vijayaraghavan P, Plon SE, Wong TC, Boerwinkle E, Muzny DM, Chen HC, Gibbs RA, Ostrom QT, Melin B, Deneen B, Bondy ML, Bainbridge MN. The genomic landscape of familial glioma. SCIENCE ADVANCES 2023; 9:eade2675. [PMID: 37115922 PMCID: PMC10146888 DOI: 10.1126/sciadv.ade2675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 03/22/2023] [Indexed: 05/03/2023]
Abstract
Glioma is a rare brain tumor with a poor prognosis. Familial glioma is a subset of glioma with a strong genetic predisposition that accounts for approximately 5% of glioma cases. We performed whole-genome sequencing on an exploratory cohort of 203 individuals from 189 families with a history of familial glioma and an additional validation cohort of 122 individuals from 115 families. We found significant enrichment of rare deleterious variants of seven genes in both cohorts, and the most significantly enriched gene was HERC2 (P = 0.0006). Furthermore, we identified rare noncoding variants in both cohorts that were predicted to affect transcription factor binding sites or cause cryptic splicing. Last, we selected a subset of discovered genes for validation by CRISPR knockdown screening and found that DMBT1, HP1BP3, and ZCH7B3 have profound impacts on proliferation. This study performs comprehensive surveillance of the genomic landscape of familial glioma.
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Affiliation(s)
- Dong-Joo Choi
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX, USA
| | - Georgina Armstrong
- Epidemiology and Population Health, Stanford University School of Medicine, Stanford, CA, USA
| | - Brittney Lozzi
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX, USA
| | | | - Sharon E. Plon
- Department of Pediatrics/Hematology-Oncology, Baylor College of Medicine, Houston, TX, USA
| | - Terence C. Wong
- Rady Children’s Institute for Genomic Medicine, San Diego, CA, USA
| | - Eric Boerwinkle
- The University of Texas Health Science Center School of Public Health, Houston, TX, USA
| | - Donna M. Muzny
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA
| | - Hsiao-Chi Chen
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX, USA
| | - Richard A. Gibbs
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA
| | - Quinn T. Ostrom
- Department of Neurosurgery, Duke University School of Medicine, Durham, NC, USA
| | - Beatrice Melin
- Department of Radiation Sciences, Oncology, Umeå University, Umeå, Sweden
| | - Benjamin Deneen
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX, USA
| | - Melissa L. Bondy
- Epidemiology and Population Health, Stanford University School of Medicine, Stanford, CA, USA
| | - The Gliogene Consortium
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX, USA
- Epidemiology and Population Health, Stanford University School of Medicine, Stanford, CA, USA
- Rady Children’s Institute for Genomic Medicine, San Diego, CA, USA
- Department of Pediatrics/Hematology-Oncology, Baylor College of Medicine, Houston, TX, USA
- The University of Texas Health Science Center School of Public Health, Houston, TX, USA
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA
- Department of Neurosurgery, Duke University School of Medicine, Durham, NC, USA
- Department of Radiation Sciences, Oncology, Umeå University, Umeå, Sweden
| | - Genomics England Research Consortium
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX, USA
- Epidemiology and Population Health, Stanford University School of Medicine, Stanford, CA, USA
- Rady Children’s Institute for Genomic Medicine, San Diego, CA, USA
- Department of Pediatrics/Hematology-Oncology, Baylor College of Medicine, Houston, TX, USA
- The University of Texas Health Science Center School of Public Health, Houston, TX, USA
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA
- Department of Neurosurgery, Duke University School of Medicine, Durham, NC, USA
- Department of Radiation Sciences, Oncology, Umeå University, Umeå, Sweden
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12
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Cazzola M. Introduction to a review series on germ line predisposition to hematologic malignancies: time to consider germ line testing. Blood 2023; 141:1509-1512. [PMID: 36787501 DOI: 10.1182/blood.2023019846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 02/02/2023] [Indexed: 02/16/2023] Open
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13
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Nierenberg JL, Adamson AW, Hu D, Huntsman S, Patrick C, Li M, Steele L, Tong B, Shieh Y, Fejerman L, Gruber SB, Haiman CA, John EM, Kushi LH, Torres-Mejía G, Ricker C, Weitzel JN, Ziv E, Neuhausen SL. Whole exome sequencing and replication for breast cancer among Hispanic/Latino women identifies FANCM as a susceptibility gene for estrogen-receptor-negative breast cancer. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.01.25.23284924. [PMID: 36747679 PMCID: PMC9901069 DOI: 10.1101/2023.01.25.23284924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Introduction Breast cancer (BC) is one of the most common cancers globally. Genetic testing can facilitate screening and risk-reducing recommendations, and inform use of targeted treatments. However, genes included in testing panels are from studies of European-ancestry participants. We sequenced Hispanic/Latina (H/L) women to identify BC susceptibility genes. Methods We conducted a pooled BC case-control analysis in H/L women from the San Francisco Bay area, Los Angeles County, and Mexico (4,178 cases and 4,344 controls). Whole exome sequencing was conducted on 1,043 cases and 1,188 controls and a targeted 857-gene panel on the remaining samples. Using ancestry-adjusted SKAT-O analyses, we tested the association of loss of function (LoF) variants with overall, estrogen receptor (ER)-positive, and ER-negative BC risk. We calculated odds ratios (OR) for BC using ancestry-adjusted logistic regression models. We also tested the association of single variants with BC risk. Results We saw a strong association of LoF variants in FANCM with ER-negative BC (p=4.1×10-7, OR [CI]: 6.7 [2.9-15.6]) and a nominal association with overall BC risk. Among known susceptibility genes, BRCA1 (p=2.3×10-10, OR [CI]: 24.9 [6.1-102.5]), BRCA2 (p=8.4×10-10, OR [CI]: 7.0 [3.5-14.0]), and PALB2 (p=1.8×10-8, OR [CI]: 6.5 [3.2-13.1]) were strongly associated with BC. There were nominally significant associations with CHEK2, RAD51D, and TP53. Conclusion In H/L women, LoF variants in FANCM were strongly associated with ER-negative breast cancer risk. It previously was proposed as a possible susceptibility gene for ER-negative BC, but is not routinely tested in clinical practice. Our results demonstrate that FANCM should be added to BC gene panels.
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Affiliation(s)
- Jovia L Nierenberg
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA
- Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Aaron W Adamson
- Department of Population Sciences, Beckman Research Institute of City of Hope, Duarte, CA, USA
| | - Donglei Hu
- Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Scott Huntsman
- Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Carmina Patrick
- Department of Population Sciences, Beckman Research Institute of City of Hope, Duarte, CA, USA
| | - Min Li
- Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Linda Steele
- Department of Population Sciences, Beckman Research Institute of City of Hope, Duarte, CA, USA
| | - Barry Tong
- Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Yiwey Shieh
- Department of Population Health Sciences, Weill Cornell Medicine, New York, NY, USA
| | - Laura Fejerman
- Department of Public Health Service, University of California, Davis, Davis, CA, USA
- UC Davis Comprehensive Cancer Center, University of California, Davis, Davis, CA, USA
| | - Stephen B Gruber
- Department of Medical Oncology and Center for Precision Medicine, City of Hope National Medical Center, Duarte, CA, USA
| | - Christopher A Haiman
- Department of Preventive Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Esther M John
- Department of Epidemiology & Population Health, Stanford University School of Medicine, Stanford, CA, USA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Lawrence H Kushi
- Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA
| | | | - Charité Ricker
- Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | | | - Elad Ziv
- Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Susan L Neuhausen
- Department of Population Sciences, Beckman Research Institute of City of Hope, Duarte, CA, USA
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14
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Simpson S, Rizvanov AA, Jeyapalan JN, de Brot S, Rutland CS. Canine osteosarcoma in comparative oncology: Molecular mechanisms through to treatment discovery. Front Vet Sci 2022; 9:965391. [PMID: 36570509 PMCID: PMC9773846 DOI: 10.3389/fvets.2022.965391] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 11/23/2022] [Indexed: 12/13/2022] Open
Abstract
Cancer is a leading cause of non-communicable morbidity and mortality throughout the world, similarly, in dogs, the most frequent cause of mortality is tumors. Some types of cancer, including osteosarcoma (OSA), occur at much higher rates in dogs than people. Dogs therefore not only require treatment themselves but can also act as an effective parallel patient population for the human disease equivalent. It should be noted that although there are many similarities between canine and human OSA, there are also key differences and it is important to research and highlight these features. Despite progress using chorioallantoic membrane models, 2D and 3D in vitro models, and rodent OSA models, many more insights into the molecular and cellular mechanisms, drug development, and treatment are being discovered in a variety of canine OSA patient populations.
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Affiliation(s)
- Siobhan Simpson
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Science, University of Nottingham, Nottingham, United Kingdom
| | - Albert A. Rizvanov
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Science, University of Nottingham, Nottingham, United Kingdom,Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Jennie N. Jeyapalan
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Science, University of Nottingham, Nottingham, United Kingdom,Faculty of Medicine and Health Science, Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom
| | - Simone de Brot
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Science, University of Nottingham, Nottingham, United Kingdom,Comparative Pathology Platform (COMPATH), Institute of Animal Pathology, University of Bern, Bern, Switzerland
| | - Catrin S. Rutland
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Science, University of Nottingham, Nottingham, United Kingdom,*Correspondence: Catrin S. Rutland
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15
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Patil MR, Bihari A. A comprehensive study of p53 protein. J Cell Biochem 2022; 123:1891-1937. [PMID: 36183376 DOI: 10.1002/jcb.30331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 09/02/2022] [Accepted: 09/13/2022] [Indexed: 01/10/2023]
Abstract
The protein p53 has been extensively investigated since it was found 43 years ago and has become a "guardian of the genome" that regulates the division of cells by preventing the growth of cells and dividing them, that is, inhibits the development of tumors. Initial proof of protein existence by researchers in the mid-1970s was found by altering and regulating the SV40 big T antigen termed the A protein. Researchers demonstrated how viruses play a role in cancer by employing viruses' ability to create T-antigens complex with viral tumors, which was discovered in 1979 following a viral analysis and cancer analog research. Researchers later in the year 1989 explained that in Murine Friend, a virus-caused erythroleukemia, commonly found that p53 was inactivated to suggest that p53 could be a "tumor suppressor gene." The TP53 gene, encoding p53, is one of human cancer's most frequently altered genes. The protein-regulated biological functions of all p53s include cell cycles, apoptosis, senescence, metabolism of the DNA, angiogenesis, cell differentiation, and immunological response. We tried to unfold the history of the p53 protein, which was discovered long back in 1979, that is, 43 years of research on p53, and how p53's function has been developed through time in this article.
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Affiliation(s)
- Manisha R Patil
- Department of Computer-Applications, School of Information Technology and Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India
| | - Anand Bihari
- Department of Computational Intelligence, School of Computer Science and Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India
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16
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van de Beek I, Glykofridis IE, Wagner A, den Toom DT, Bongers EMHF, van Leenders GJLH, Johannesma PC, Meijers‐Heijboer HEJ, Wolthuis RMF, van Steensel MAM, Dubbink HJ, Houweling AC. Combined germline pathogenic variants in FLCN and TP53 are associated with early onset renal cell carcinoma and brain tumors. Mol Genet Genomic Med 2022; 11:e2098. [PMID: 36382415 PMCID: PMC9938753 DOI: 10.1002/mgg3.2098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 11/03/2022] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND We present a family consisting of a father and his two children with an exceptional phenotype of childhood renal cell carcinoma and brain tumors. Extensive genetic testing revealed two inherited tumor predisposition syndromes in all three family members: Birt-Hogg-Dubé syndrome and Li-Fraumeni syndrome. The corresponding genes (FLCN and TP53) are both located on the short arm of chromosome 17. METHODS We describe the phenotype and performed single nucleotide polymorphism (SNP)-based loss of heterozygosity (LOH) analysis of the tumors. RESULTS All examined tumors showed somatic loss of the wild-type alleles of both FLCN and TP53. CONCLUSIONS We hypothesize that a synergistic effect of both mutations caused the unusual phenotype of childhood renal cell carcinoma in this family. This family emphasizes the importance of further genetic testing if a tumor develops at an unexpected young age in an inherited cancer predisposition syndrome.
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Affiliation(s)
- Irma van de Beek
- Department of Human GeneticsAmsterdam UMC, Vrije Universiteit AmsterdamAmsterdamthe Netherlands
| | - Iris E. Glykofridis
- Department of Human Genetics, Cancer Center AmsterdamAmsterdam UMC, Vrije Universiteit AmsterdamAmsterdamthe Netherlands
| | - Anja Wagner
- Department of Clinical GeneticsUniversity Medical Center Rotterdam, Erasmus MC Cancer InstituteRotterdamthe Netherlands
| | - Dorine T. den Toom
- Department of PathologyUniversity Medical Center Rotterdam, Erasmus MC Cancer InstituteRotterdamthe Netherlands
| | | | - Geert J. L. H. van Leenders
- Department of PathologyUniversity Medical Center Rotterdam, Erasmus MC Cancer InstituteRotterdamthe Netherlands
| | - Paul C. Johannesma
- Department of PulmonologyAmsterdam UMC, Vrije Universiteit AmsterdamAmsterdamthe Netherlands
| | | | - Rob M. F. Wolthuis
- Department of Human Genetics, Cancer Center AmsterdamAmsterdam UMC, Vrije Universiteit AmsterdamAmsterdamthe Netherlands
| | - Maurice A. M. van Steensel
- Lee Kong Chian School of MedicineNanyang Technological UniversitySingaporeSingapore,Singapore Skin Research Institute, Agency for Science, Technology and ResearchSingaporeSingapore
| | - Hendrikus J. Dubbink
- Department of PathologyUniversity Medical Center Rotterdam, Erasmus MC Cancer InstituteRotterdamthe Netherlands
| | - Arjan C. Houweling
- Department of Human GeneticsAmsterdam UMC, Vrije Universiteit AmsterdamAmsterdamthe Netherlands
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17
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Germline Testing for Individuals with Pancreatic Adenocarcinoma and Novel Genetic Risk Factors. Hematol Oncol Clin North Am 2022; 36:943-960. [DOI: 10.1016/j.hoc.2022.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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18
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Guo Y, Wan Q, Ouyang T, Li J, Wang T, Fan Z, Xie Y. Risk of ipsilateral breast tumor recurrence and contralateral breast cancer in patients with and without TP53 variant in a large series of breast cancer patients. Breast 2022; 65:55-60. [PMID: 35820297 PMCID: PMC9284452 DOI: 10.1016/j.breast.2022.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 07/03/2022] [Accepted: 07/04/2022] [Indexed: 11/25/2022] Open
Abstract
Background The association between breast cancer patients with a TP53 pathogenic variant and risk of local recurrence and contralateral breast cancer remains largely unknown. Methods The study population of 11093 patients was derived from two cohorts at the Breast Center of Peking University Cancer Hospital in China from November 2003, to March 2018. TP53 germline variants were determined for all patients. Results In the study, forty-one (0.37%) carried a TP53 germline pathogenic variant, and 11052 were non-carriers (99.63%). Nineteen TP53 carriers (46.3%) and 4173 non-carriers (37.8%) were treated with breast-conserving therapy (BCT), while the remaining were treated with mastectomy. After a median follow-up of 6.7 years, the rate of ipsilateral breast tumor recurrence (IBTR) in TP53 carriers was significantly higher than that in non-carriers when treated with BCT (21.1% vs 3.8%, P = 0.006). No difference in the rate of IBTR was found between TP53 carriers and non-carriers when treated with mastectomy (0.0% vs 2.6%, P = 1.0). Furthermore, the rate of IBTR in TP53 carriers treated with BCT was significantly higher than that in those treated with mastectomy (21.1% vs 0.0%, P = 0.038). The 10-year cumulative risk of contralateral breast cancer in TP53 carriers was significantly higher than that in non-carriers (17.9% vs 3.6%, hazard ratio (HR) = 7.0, 95% CI: 3.3–14.9, P < 0.001). Conclusions Patients with TP53 variants have a high risk of IBTR when treated with BCT, and exhibit a very high risk of contralateral breast cancer. TP53 carriers may not be suitable for BCT and prophylactic contralateral mastectomy might be considered. Patients with a TP53 variant have a high risk of IBTR when treated with BCT. TP53 carriers exhibit a very high risk of contralateral breast cancer. TP53 carriers may not be suitable for BCT. Prophylactic contralateral mastectomy may be considered for TP53 carriers.
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Tazin F, Kumar H, Israr MA, Omoleye D, Orlang V. Li-Fraumeni Syndrome: A Rare Genetic Disorder. Cureus 2022; 14:e29240. [PMID: 36262946 PMCID: PMC9573781 DOI: 10.7759/cureus.29240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/16/2022] [Indexed: 12/02/2022] Open
Abstract
Li-Fraumeni syndrome (LFS) is an inherited genetic condition that makes individuals predisposed to specific types of cancer. As a result, cancer risk can be passed down from generation to generation. TP53 is the genetic blueprint for a protein called p53 and most commonly causes this condition by mutations or alterations in that gene. Mutations prevent the gene from functioning properly. LFS is associated with TP53 gene mutations in approximately 70% of families. Most patients with LFS have one normal copy of TP53 and one mutated copy of TP53, usually inherited from a parent with the condition. This is a case report of a 40-year-old female who underwent genetic testing to determine her p53 mutation status. Her mother was diagnosed with breast cancer at a young age, despite the fact that her brothers and sisters' genetic tests came out normal. The genetic testing showed her as a carrier for the TP53 gene mutation. Despite the fact that she had no signs or symptoms of any linked tumors associated with the condition, she was diagnosed with LFS.
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20
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Keshavarz-Rahaghi F, Pleasance E, Kolisnik T, Jones SJM. A p53 transcriptional signature in primary and metastatic cancers derived using machine learning. Front Genet 2022; 13:987238. [PMID: 36134028 PMCID: PMC9483853 DOI: 10.3389/fgene.2022.987238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
The tumor suppressor gene, TP53, has the highest rate of mutation among all genes in human cancer. This transcription factor plays an essential role in the regulation of many cellular processes. Mutations in TP53 result in loss of wild-type p53 function in a dominant negative manner. Although TP53 is a well-studied gene, the transcriptome modifications caused by the mutations in this gene have not yet been explored in a pan-cancer study using both primary and metastatic samples. In this work, we used a random forest model to stratify tumor samples based on TP53 mutational status and detected a p53 transcriptional signature. We hypothesize that the existence of this transcriptional signature is due to the loss of wild-type p53 function and is universal across primary and metastatic tumors as well as different tumor types. Additionally, we showed that the algorithm successfully detected this signature in samples with apparent silent mutations that affect correct mRNA splicing. Furthermore, we observed that most of the highly ranked genes contributing to the classification extracted from the random forest have known associations with p53 within the literature. We suggest that other genes found in this list including GPSM2, OR4N2, CTSL2, SPERT, and RPE65 protein coding genes have yet undiscovered linkages to p53 function. Our analysis of time on different therapies also revealed that this signature is more effective than the recorded TP53 status in detecting patients who can benefit from platinum therapies and taxanes. Our findings delineate a p53 transcriptional signature, expand the knowledge of p53 biology and further identify genes important in p53 related pathways.
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Affiliation(s)
- Faeze Keshavarz-Rahaghi
- Canada’s Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
- Department of Bioinformatics, University of British Columbia, Vancouver, BC, Canada
| | - Erin Pleasance
- Canada’s Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Tyler Kolisnik
- Canada’s Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
- School of Natural and Computational Sciences, Massey University, Auckland, New Zealand
| | - Steven J. M. Jones
- Canada’s Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
- Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
- Department of Molecular Biology and Biochemistry, Simon Fraser University, Vancouver, BC, Canada
- *Correspondence: Steven J. M. Jones,
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Liu C, Moten A, Ma Z, Lin HK. The foundational framework of tumors: Gametogenesis, p53, and cancer. Semin Cancer Biol 2022; 81:193-205. [PMID: 33940178 PMCID: PMC9382687 DOI: 10.1016/j.semcancer.2021.04.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 04/20/2021] [Accepted: 04/26/2021] [Indexed: 12/20/2022]
Abstract
The completion-of-tumor hypothesis involved in the dynamic interplay between the initiating oncogenic event and progression is essential to better recognize the foundational framework of tumors. Here we review and extend the gametogenesis-related hypothesis of tumors, because high embryonic/germ cell traits are common in tumors. The century-old gametogenesis-related hypothesis of tumors postulated that tumors arise from displaced/activated trophoblasts, displaced (lost) germ cells, and the reprogramming/reactivation of gametogenic program in somatic cells. Early primordial germ cells (PGCs), embryonic stem (ES) cells, embryonic germ cells (EGCs), and pre-implantation embryos at the stage from two-cell stage to blastocysts originating from fertilization or parthenogenesis have the potential to develop teratomas/teratocarcinomas. In addition, the teratomas/teratocarcinomas/germ cells occur in gonads and extra-gonads. Undoubtedly, the findings provide strong support for the hypothesis. However, it was thought that these tumor types were an exception rather than verification. In fact, there are extensive similarities between somatic tumor types and embryonic/germ cell development, such as antigens, migration, invasion, and immune escape. It was documented that embryonic/germ cell genes play crucial roles in tumor behaviors, e.g. tumor initiation and metastasis. Of note, embryonic/germ cell-like tumor cells at different developmental stages including PGC and oocyte to the early embryo-like stage were identified in diverse tumor types by our group. These embryonic/germ cell-like cancer cells resemble the natural embryonic/germ cells in morphology, gene expression, the capability of teratoma formation, and the ability to undergo the process of oocyte maturation and parthenogenesis. These embryonic/germ cell-like cancer cells are derived from somatic cells and contribute to tumor formation, metastasis, and drug resistance, establishing asexual meiotic embryonic life cycle. p53 inhibits the reactivation of embryonic/germ cell state in somatic cells and oocyte-like cell maturation. Based on earlier and our recent studies, we propose a novel model to complete the gametogenesis-related hypothesis of tumors, which can be applied to certain somatic tumors. That is, tumors tend to establish a somatic asexual meiotic embryonic cycle through the activation of somatic female gametogenesis and parthenogenesis in somatic tumor cells during the tumor progression, thus passing on corresponding embryonic/germ cell traits leading to the malignant behaviors and enhancing the cells' independence. This concept may be instrumental to better understand the nature and evolution of tumors. We rationalize that targeting the key events of somatic pregnancy is likely a better therapeutic strategy for cancer treatment than directly targeting cell mitotic proliferation, especially for those tumors with p53 inactivation.
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Affiliation(s)
- Chunfang Liu
- Department of Laboratory Medicine, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, 200040, China.
| | - Asad Moten
- Medical Sciences Division, University of Oxford, Oxford OX3 9DU, UK
| | - Zhan Ma
- Department of Laboratory Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai 200040, China
| | - Hui-Kuan Lin
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA.
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22
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Utilizing Carbon Ions to Treat Medulloblastomas that Exhibit Chromothripsis. CURRENT STEM CELL REPORTS 2022. [DOI: 10.1007/s40778-022-00213-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Abstract
Purpose of Review
Novel radiation therapies with accelerated charged particles such as protons and carbon ions have shown encouraging results in oncology. We present recent applications as well as benefits and risks associated with their use.
Recent Findings
We discuss the use of carbon ion radiotherapy to treat a specific type of aggressive pediatric brain tumors, namely medulloblastomas with chromothripsis. Potential reasons for the resistance to conventional treatment, such as the presence of cancer stem cells with unique properties, are highlighted. Finally, advantages of particle radiation alone and in combination with other therapies to overcome resistance are featured.
Summary
Provided that future preclinical studies confirm the evidence of high effectiveness, favorable toxicity profiles, and no increased risk of secondary malignancy, carbon ion therapy may offer a promising tool in pediatric (neuro)oncology and beyond.
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Bin Saleem MY, Albandar MH, Alfaifi JA. Synchronous Colon and Breast Cancers: A Case Report of Multiple Primary Tumors. Cureus 2022; 14:e24798. [PMID: 35676989 PMCID: PMC9169435 DOI: 10.7759/cureus.24798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/06/2022] [Indexed: 11/09/2022] Open
Abstract
Multiple primary malignant tumors (MPMNs) are not rare entities. We report a case of a 50-year-old female who presented with left upper quadrant abdominal pain and GI bleeding. Initial assessment with CT scan revealed a mass originating from the descending colon. Colonoscopy was performed and a fungating partially obstructed mass at the left splenic flexure was detected. Histopathological examination of biopsy was consistent with mucinous adenocarcinoma. The staging CT scan of the chest and pelvis, followed by a mammogram reported a Synchronous breast mass. Core needle biopsy detected an invasive ducal carcinoma. In the multidisciplinary meeting, it was decided to perform the colon procedure first, followed by adjuvant chemotherapy, and then the breast procedure. The patient had an uneventful recovery after both procedures and was sent to the medical oncology department to continue with the treatment.
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Werner-Lin A, Forbes Shepherd R, Young JL, Wilsnack C, Merrill SL, Greene MH, Khincha PP. Embodied risk for families with Li-Fraumeni syndrome: Like electricity through my body. Soc Sci Med 2022; 301:114905. [PMID: 35367908 PMCID: PMC9237847 DOI: 10.1016/j.socscimed.2022.114905] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 12/17/2021] [Accepted: 03/11/2022] [Indexed: 10/18/2022]
Abstract
INTRODUCTION Experiences of illness change the physical body and embodiments, or the ways in which the world and the self are known through the body. When illness is anticipated, such as with inherited cancer predisposition syndromes, risk becomes embodied and shared in family groups. Embodied risk is experienced whether or not symptoms have manifested. To examine how individuals and families with genetic risk experience the world and understand their disease through their bodies, we employ Li-Fraumeni syndrome (LFS) as an exemplar. LFS is a rare, genetic, cancer predisposition syndrome with nearly 100% lifetime cancer risk starting from birth, limited opportunities for prevention, rigorous screening protocols, and early mortality. METHODS Forty-five families, including 117 individuals aged 13-81 years, enrolled in the National Cancer Insitute's LFS study (NCT01443468) completed 66 open-ended interviews regarding LFS experiences. An interdisciplinary team used modified grounded theory to explore physical aspects of living with LFS in psychosocial contexts. FINDINGS The physicality of living with LFS included constant monitoring of LFS bodies across the family to identify physical change that might indicate carcinogenesis. Cancer screening, risk reduction, and treatment acted as dually protective and invasive, and as an unavoidable features of LFS. Connections between family members with similar embodiments normalized aesthetic changes and supported coping with visible markers of difference. In some circumstances, participants objectified the body to preserve the self and important relationships. In others, intense pain or loss created thresholds beyond which the self could no longer be separated from the body to support coping. DISCUSSION This paper focuses on Li-Fraumeni syndrome, a familial condition with a well-established genetic identity in which the body-self is experienced in relation to important others, to medical imaging, and to historical experiences with cancer. We expand on theories of embodied risk and inter-embodiment to describe experiences across disease trajectories, with attention to division and union between body, self, and other.
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Affiliation(s)
- Allison Werner-Lin
- School of Social Policy and Practice, University of Pennsylvania, Philadelphia, PA, USA; Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA.
| | - Rowan Forbes Shepherd
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Jennifer L Young
- Stanford Center for Biomedical Ethics, Stanford University, Stanford, CA, USA
| | - Catherine Wilsnack
- Steve Hicks School of Social Work, The University of Texas at Austin, Austin, TX, USA
| | - Shana L Merrill
- School of Social Policy and Practice, University of Pennsylvania, Philadelphia, PA, USA; Hospital of the University of Pennsylvania, Philadelphia, PA, USA
| | - Mark H Greene
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Payal P Khincha
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
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Malenge MM, Maaland AF, Repetto-Llamazares A, Middleton B, Nijland M, Visser L, Patzke S, Heyerdahl H, Kolstad A, Stokke T, Ree AH, Dahle J. Anti-CD37 radioimmunotherapy with 177Lu-NNV003 synergizes with the PARP inhibitor olaparib in treatment of non-Hodgkin’s lymphoma in vitro. PLoS One 2022; 17:e0267543. [PMID: 35486574 PMCID: PMC9053826 DOI: 10.1371/journal.pone.0267543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 04/11/2022] [Indexed: 11/18/2022] Open
Abstract
Background and purpose
PARP inhibitors have been shown to increase the efficacy of radiotherapy in preclinical models. Radioimmunotherapy results in selective radiation cytotoxicity of targeted tumour cells. Here we investigate the combined effect of anti-CD37 β-emitting 177Lu-NNV003 radioimmunotherapy and the PARP inhibitor olaparib, and gene expression profiles in CD37 positive non-Hodgkin’s lymphoma cell lines.
Materials and methods
The combined effect of 177Lu-NNV003 and olaparib was studied in seven cell lines using a fixed-ratio ray design, and combination index was calculated for each combination concentration. mRNA was extracted before and after treatment with the drug combination. After RNA-sequencing, hierarchical clustering was performed on basal gene expression profiles and on differentially expressed genes after combination treatment from baseline. Functional gene annotation analysis of significant differentially expressed genes after combination treatment was performed to identify enriched biological processes.
Results
The combination of olaparib and 177Lu-NNV003 was synergistic in four of seven cell lines, antagonistic in one and both synergistic and antagonistic (conditionally synergistic) in two, depending on the concentration ratio between olaparib and 177Lu-NNV003. Cells treated with the combination significantly overexpressed genes in the TP53 signalling pathway. However, cluster analysis did not identify gene clusters that correlate with the sensitivity of cells to single agent or combination treatment.
Conclusion
The cytotoxic effect of the combination of the PARP inhibitor olaparib and the β-emitting radioimmunoconjugate 177Lu-NNV003 was synergistic in the majority of tested lymphoma cell lines.
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Affiliation(s)
- Marion M. Malenge
- Nordic Nanovector ASA, Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Radiation Biology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway
| | - Astri Fjelde Maaland
- Nordic Nanovector ASA, Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | | | | | - Marcel Nijland
- University Medical Center Groningen, Groningen, The Netherlands
| | - Lydia Visser
- University Medical Center Groningen, Groningen, The Netherlands
| | - Sebastian Patzke
- Nordic Nanovector ASA, Oslo, Norway
- Department of Radiation Biology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway
| | | | - Arne Kolstad
- Department of Oncology, Innlandet Sykehus, Lillehammer, Norway
| | - Trond Stokke
- Department of Radiation Biology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway
| | - Anne Hansen Ree
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Oncology, Akershus University Hospital, Lørenskog, Norway
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Sassi H, Meddeb R, Cherif MA, Nasr C, Riahi A, Hannachi S, Belguith N, M'rad R. Li-Fraumeni syndrome in Tunisian carriers with different and rare tumor phenotype: genotype-phenotype correlation. BMC Med Genomics 2022; 15:44. [PMID: 35246108 PMCID: PMC8895785 DOI: 10.1186/s12920-022-01189-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Accepted: 02/22/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Li-Fraumeni syndrome (LFS) is a rare autosomal hereditary predisposition to multiples cancers, mainly affecting young individuals. It is characterized by a broad tumor spectrum. To our best knowledge, only one Tunisian study with a confirmed LFS was published. METHODS Our study focused on the clinical, histopathological and genetic results of two patients with rare tumor phenotype and tried to establish genotype-phenotype correlation. The clinical diagnosis was based on Chompret-Bonaiti criteria relative to LFS. Molecular study was assessed using Sanger sequencing of the hotspot germline variants of TP53 gene. RESULTS We report 2 Tunisian families fulfilling the clinical criteria of Chompret-Bonaiti. The tumor phenotype was bilateral breast cancer (BC) in 27-year-old woman and multiple tumors for the second proband, with an onset age of 14, 35 and 36 yo for osteosarcoma, BC and esophageal cancer respectively. Each of them had a rare histological type of breast cancer associated with LFS, phyllode tumor and intralobular carcinoma. Both patients had cancer family history. The molecular study showed deleterious heterozygous germline TP53 variants in each index case: The first had a well-known hotspot missense variation c.742C>T p.(R248W) with a rare histological association, explaining genotype phenotype correlation. The second case had a nonsense variation c.159G>A p.(W53*), rare worldwide, extending the phenotype spectrum in LFS. Immunohistochemistry study in tumor samples confirmed the lack of p53 protein expression. CONCLUSIONS Conclusively, germline TP53 testing is primordial in patients with a family history suggestive of LFS for clinical practice avoiding genotoxic treatments and adapting the surveillance. National database in LFS listing clinical and mutational data is important to set, particularly for variants rarely reported worldwide. Experience from different countries must be integrated to harmonize global protocols for cancer surveillance in LFS.
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Affiliation(s)
- Hela Sassi
- Department of Congenital and Hereditary Diseases, Charles Nicolle Hospital, University Tunis El Manar, 1006, Tunis, Tunisia.
| | - Rym Meddeb
- Department of Congenital and Hereditary Diseases, Charles Nicolle Hospital, University Tunis El Manar, 1006, Tunis, Tunisia. .,Laboratory of Human Genetics LR99ES10, Faculty of Medicine of Tunis, University Tunis El Manar, 1006, Tunis, Tunisia.
| | - Mohamed Aziz Cherif
- Department of Radiation Oncology, Salah Azaiez Institute, University Tunis El Manar, 1006, Tunis, Tunisia
| | - Chiraz Nasr
- Department of Radiation Oncology, Salah Azaiez Institute, University Tunis El Manar, 1006, Tunis, Tunisia
| | - Aouatef Riahi
- Institute of Applied Biological Sciences of Tunis, University Tunis El Manar, Tunis, Tunisia
| | - Samia Hannachi
- Laboratory of Pathology Anatomy and Cytology, Tunis, Tunisia
| | - Neila Belguith
- Department of Congenital and Hereditary Diseases, Charles Nicolle Hospital, University Tunis El Manar, 1006, Tunis, Tunisia
| | - Ridha M'rad
- Department of Congenital and Hereditary Diseases, Charles Nicolle Hospital, University Tunis El Manar, 1006, Tunis, Tunisia.,Laboratory of Human Genetics LR99ES10, Faculty of Medicine of Tunis, University Tunis El Manar, 1006, Tunis, Tunisia
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Risk Factors for Occurrence and Relapse of Soft Tissue Sarcoma. Cancers (Basel) 2022; 14:cancers14051273. [PMID: 35267581 PMCID: PMC8909240 DOI: 10.3390/cancers14051273] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 02/22/2022] [Accepted: 02/25/2022] [Indexed: 12/12/2022] Open
Abstract
The diagnosis and prognostic outcome of STS pose a therapeutic challenge in an interdisciplinary setting. The treatment protocols are still discussed controversially. This systematic meta-analysis aimed to determine prognostic factors leading to the development and recurrence of STS. Eligible studies that investigated potential risk factors such as smoking, genetic dispositions, toxins, chronic inflammation as well as prognostic relapse factors including radiation, chemotherapy and margins of resection were identified. Data from 24 studies published between 1993 and 2019 that comprised 6452 patients were pooled. A statistically significant effect developing STS was found in overall studies stating a causality between risk factors and the development of STS (p < 0.01). Although subgroup analysis did not meet statistical significances, it revealed a greater magnitude with smoking (p = 0.23), genetic predisposition (p = 0.13) chronic inflammation, (p = 0.20), and toxins (p = 0.14). Secondly, pooled analyses demonstrated a higher risk of relapse for margin of resection (p = 0.78), chemotherapy (p = 0.20) and radiation (p = 0.16); after 3 years of follow-up. Therefore, we were able to identify risk and relapse prognostic factors for STS, helping to diagnose and treat this low incidental cancer properly.
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28
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Yu Y, Chang K, Chen JS, Bohlender RJ, Fowler J, Zhang D, Huang M, Chang P, Li Y, Wong J, Wang H, Gu J, Wu X, Schildkraut J, Cannon-Albright L, Ye Y, Zhao H, Hildebrandt MA, Permuth JB, Li D, Scheet P, Huff CD. A whole-exome case-control association study to characterize the contribution of rare coding variation to pancreatic cancer risk. HGG ADVANCES 2022; 3:100078. [PMID: 35047863 PMCID: PMC8756505 DOI: 10.1016/j.xhgg.2021.100078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 12/08/2021] [Indexed: 10/26/2022] Open
Abstract
Pancreatic cancer is a deadly disease that accounts for approximately 5% of cancer deaths worldwide, with a dismal 5-year survival rate of 10%. Known genetic risk factors explain only a modest proportion of the heritable risk of pancreatic cancer. We conducted a whole-exome case-control sequencing study in 1,591 pancreatic cancer cases and 2,134 cancer-free controls of European ancestry. In our gene-based analysis, ATM ranked first, with a genome-wide significant p value of 1 × 10-8. The odds ratio for protein-truncating variants in ATM was 24, which is substantially higher than prior estimates, although ours includes a broad 95% confidence interval (4.0-1000). SIK3 was the second highest ranking gene (p = 3.84 × 10-6, false discovery rate or FDR = 0.032). We observed nominally significant association signals in several genes of a priori interest, including BRCA2 (p = 4.3 × 10-4), STK11 (p = 0.003), PALB2 (p = 0.019), and TP53 (p = 0.037), and reported risk estimates for known pathogenic variants and variants of uncertain significance (VUS) in these genes. The rare variants in established susceptibility genes explain approximately 24% of log familial relative risk, which is comparable to the contribution from established common susceptibility variants (17%). In conclusion, this study provides new insights into the genetic susceptibility of pancreatic cancer, refining rare variant risk estimates in known pancreatic cancer susceptibility genes and identifying SIK3 as a novel candidate susceptibility gene. This study highlights the prominent importance of ATM truncating variants and the underappreciated role of VUS in pancreatic cancer etiology.
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Affiliation(s)
- Yao Yu
- Department of Epidemiology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Kyle Chang
- Department of Epidemiology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jiun-Sheng Chen
- Department of Epidemiology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ryan J. Bohlender
- Department of Epidemiology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jerry Fowler
- Department of Epidemiology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Di Zhang
- Department of Epidemiology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Maosheng Huang
- Department of Epidemiology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ping Chang
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Yanan Li
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Justin Wong
- Department of Epidemiology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Huamin Wang
- Department of Anatomical Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jian Gu
- Department of Epidemiology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Xifeng Wu
- Center for Clinical Big Data and Analytics, Bioinformatics and Big Data, The Second Affiliated Hospital and School of Public Health, Zhejiang University School of Medicine, PR China
| | - Joellen Schildkraut
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Lisa Cannon-Albright
- Genetic Epidemiology, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT, USA
- George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, UT, USA
- Huntsman Cancer Institute, Salt Lake City, UT, USA
| | - Yuanqing Ye
- Center for Clinical Big Data and Analytics, Bioinformatics and Big Data, The Second Affiliated Hospital and School of Public Health, Zhejiang University School of Medicine, PR China
| | - Hua Zhao
- Department of Family Medicine and Population Health, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | | | - Jennifer B. Permuth
- Departments of Cancer Epidemiology and Gastrointestinal Oncology, Moffitt Cancer Center, Tampa, FL, USA
| | - Donghui Li
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Paul Scheet
- Department of Epidemiology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Chad D. Huff
- Department of Epidemiology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
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29
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Marques MA, de Andrade GC, Silva JL, de Oliveira GAP. Protein of a thousand faces: The tumor-suppressive and oncogenic responses of p53. Front Mol Biosci 2022; 9:944955. [PMID: 36090037 PMCID: PMC9452956 DOI: 10.3389/fmolb.2022.944955] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 07/18/2022] [Indexed: 12/30/2022] Open
Abstract
The p53 protein is a pleiotropic regulator working as a tumor suppressor and as an oncogene. Depending on the cellular insult and the mutational status, p53 may trigger opposing activities such as cell death or survival, senescence and cell cycle arrest or proliferative signals, antioxidant or prooxidant activation, glycolysis, or oxidative phosphorylation, among others. By augmenting or repressing specific target genes or directly interacting with cellular partners, p53 accomplishes a particular set of activities. The mechanism in which p53 is activated depends on increased stability through post-translational modifications (PTMs) and the formation of higher-order structures (HOS). The intricate cell death and metabolic p53 response are reviewed in light of gaining stability via PTM and HOS formation in health and disease.
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Affiliation(s)
- Mayra A. Marques
- *Correspondence: Mayra A. Marques, ; Guilherme A. P. de Oliveira,
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30
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Annor GK, Elshabassy N, Lundine D, Conde DG, Xiao G, Ellison V, Bargonetti J. Oligomerization of Mutant p53 R273H is not Required for Gain-of-Function Chromatin Associated Activities. Front Cell Dev Biol 2021; 9:772315. [PMID: 34881245 PMCID: PMC8645790 DOI: 10.3389/fcell.2021.772315] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 10/28/2021] [Indexed: 01/11/2023] Open
Abstract
The TP53 gene is often mutated in cancer, with missense mutations found in the central DNA binding domain, and less often in the C-terminal oligomerization domain (OD). These types of mutations are found in patients with the rare inherited cancer predisposition disorder called Li-Fraumeni syndrome. We previously found that mutant p53 (mtp53) R273H associates with replicating DNA and promotes the chromatin association of replication-associated proteins mini-chromosome maintenance 2 (MCM2), and poly ADP-ribose polymerase 1(PARP1). Herein, we created dual mutants in order to test if the oligomerization state of mtp53 R273H played a role in chromatin binding oncogenic gain-of-function (GOF) activities. We used site-directed mutagenesis to introduce point mutations in the OD in wild-type p53 (wtp53), and mtp53 R273H expressing plasmids. The glutaraldehyde crosslinking assay revealed that both wtp53 and mtp53 R273H formed predominantly tetramers, while the single OD mutant A347D, and the dual mtp53 R273H-A347D, formed predominantly dimers. The R337C, L344P, mtp53 R273H-R337C, and mtp53 R273H-L344P proteins formed predominantly monomers. Wtp53 was able to activate the cyclin-dependent kinase gene p21/waf and the p53 feedback regulator MDM2. As expected, the transactivation activity was lost for all the single mutants, as well as the mtp53 R273H-dual mutants. Importantly, mtp53 R273H and the dual oligomerization mutants, R273H-A347D, R273H-R337C, and R273H-L344P were able to interact with chromatin. Additionally, the dual oligomerization mutants, R273H-A347D, R273H-R337C, and R273H-L344P, maintained strong interactions with MCM2 and PARP1. Our findings suggest that while mtp53 R273H can form tetramers, tetramer formation is not required for the GOF associated chromatin interactions.
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Affiliation(s)
- George K Annor
- The Department of Biological Sciences Hunter College, Belfer Research Building, City University of New York, New York, NY, United States.,The Graduate Center Biology and Biochemistry Programs of City University of New York, New York, NY, United States
| | - Nour Elshabassy
- The Department of Biological Sciences Hunter College, Belfer Research Building, City University of New York, New York, NY, United States
| | - Devon Lundine
- The Department of Biological Sciences Hunter College, Belfer Research Building, City University of New York, New York, NY, United States.,The Graduate Center Biology and Biochemistry Programs of City University of New York, New York, NY, United States
| | - Don-Gerard Conde
- The Department of Biological Sciences Hunter College, Belfer Research Building, City University of New York, New York, NY, United States
| | - Gu Xiao
- The Department of Biological Sciences Hunter College, Belfer Research Building, City University of New York, New York, NY, United States
| | - Viola Ellison
- The Department of Biological Sciences Hunter College, Belfer Research Building, City University of New York, New York, NY, United States
| | - Jill Bargonetti
- The Department of Biological Sciences Hunter College, Belfer Research Building, City University of New York, New York, NY, United States.,The Graduate Center Biology and Biochemistry Programs of City University of New York, New York, NY, United States.,Department of Cell and Developmental Biology, Weill Cornell Medical College, New York City, NY, United States
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31
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Czegle I, Gray AL, Wang M, Liu Y, Wang J, Wappler-Guzzetta EA. Mitochondria and Their Relationship with Common Genetic Abnormalities in Hematologic Malignancies. Life (Basel) 2021; 11:1351. [PMID: 34947882 PMCID: PMC8707674 DOI: 10.3390/life11121351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/29/2021] [Accepted: 11/29/2021] [Indexed: 11/16/2022] Open
Abstract
Hematologic malignancies are known to be associated with numerous cytogenetic and molecular genetic changes. In addition to morphology, immunophenotype, cytochemistry and clinical characteristics, these genetic alterations are typically required to diagnose myeloid, lymphoid, and plasma cell neoplasms. According to the current World Health Organization (WHO) Classification of Tumors of Hematopoietic and Lymphoid Tissues, numerous genetic changes are highlighted, often defining a distinct subtype of a disease, or providing prognostic information. This review highlights how these molecular changes can alter mitochondrial bioenergetics, cell death pathways, mitochondrial dynamics and potentially be related to mitochondrial genetic changes. A better understanding of these processes emphasizes potential novel therapies.
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Affiliation(s)
- Ibolya Czegle
- Department of Internal Medicine and Haematology, Semmelweis University, H-1085 Budapest, Hungary;
| | - Austin L. Gray
- Department of Pathology and Laboratory Medicine, Loma Linda University Health, Loma Linda, CA 92354, USA; (A.L.G.); (Y.L.); (J.W.)
| | - Minjing Wang
- Independent Researcher, Diamond Bar, CA 91765, USA;
| | - Yan Liu
- Department of Pathology and Laboratory Medicine, Loma Linda University Health, Loma Linda, CA 92354, USA; (A.L.G.); (Y.L.); (J.W.)
| | - Jun Wang
- Department of Pathology and Laboratory Medicine, Loma Linda University Health, Loma Linda, CA 92354, USA; (A.L.G.); (Y.L.); (J.W.)
| | - Edina A. Wappler-Guzzetta
- Department of Pathology and Laboratory Medicine, Loma Linda University Health, Loma Linda, CA 92354, USA; (A.L.G.); (Y.L.); (J.W.)
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32
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Li H, Fang H, Chang L, Qiu S, Ren X, Cao L, Bian J, Wang Z, Guo Y, Lv J, Sun Z, Wang T, Li B. TC2N: A Novel Vital Oncogene or Tumor Suppressor Gene In Cancers. Front Immunol 2021; 12:764749. [PMID: 34925334 PMCID: PMC8674203 DOI: 10.3389/fimmu.2021.764749] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 10/29/2021] [Indexed: 12/12/2022] Open
Abstract
Several C2 domain-containing proteins play key roles in tumorigenesis, signal transduction, and mediating protein–protein interactions. Tandem C2 domains nuclear protein (TC2N) is a tandem C2 domain-containing protein that is differentially expressed in several types of cancers and is closely associated with tumorigenesis and tumor progression. Notably, TC2N has been identified as an oncogene in lung and gastric cancer but as a tumor suppressor gene in breast cancer. Recently, a large number of tumor-associated antigens (TAAs), such as heat shock proteins, alpha-fetoprotein, and carcinoembryonic antigen, have been identified in a variety of malignant tumors. Differences in the expression levels of TAAs between cancer cells and normal cells have led to these antigens being investigated as diagnostic and prognostic biomarkers and as novel targets in cancer treatment. In this review, we summarize the clinical characteristics of TC2N-positive cancers and potential mechanisms of action of TC2N in the occurrence and development of specific cancers. This article provides an exploration of TC2N as a potential target for the diagnosis and treatment of different types of cancers.
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Affiliation(s)
- Hanyang Li
- Department of Radiotherapy, The Second Hospital of Jilin University, Changchun, China
- Department of Thyroid Surgery, The Second Hospital of Jilin University, Changchun, China
| | - He Fang
- Department of Hepatobiliary and Pancreatic Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Li Chang
- Department of Pathology, The Second Hospital of Jilin University, Changchun, China
| | - Shuang Qiu
- Department of Biobank, The China-Japan Union Hospital of Jilin University, Changchun, China
| | - Xiaojun Ren
- Department of Radiotherapy, The Second Hospital of Jilin University, Changchun, China
| | - Lidong Cao
- Department of Hepatobiliary and Pancreatic Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Jinda Bian
- Department of Hepatobiliary and Pancreatic Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Zhenxiao Wang
- Department of Hepatobiliary and Pancreatic Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Yi Guo
- Department of Breast Surgery, The Affiliated Hospital Changchun University of Chinese Medicine, Changchun, China
| | - Jiayin Lv
- Department of Orthopedics, The China-Japan Union Hospital of Jilin University, Changchun, China
| | - Zhihui Sun
- Department of Pharmacy, The Second Hospital of Jilin University, Changchun, China
| | - Tiejun Wang
- Department of Radiotherapy, The Second Hospital of Jilin University, Changchun, China
- *Correspondence: Tiejun Wang, ; Bingjin Li,
| | - Bingjin Li
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China
- *Correspondence: Tiejun Wang, ; Bingjin Li,
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33
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Kratz CP, Freycon C, Maxwell KN, Nichols KE, Schiffman JD, Evans DG, Achatz MI, Savage SA, Weitzel JN, Garber JE, Hainaut P, Malkin D. Analysis of the Li-Fraumeni Spectrum Based on an International Germline TP53 Variant Data Set: An International Agency for Research on Cancer TP53 Database Analysis. JAMA Oncol 2021; 7:1800-1805. [PMID: 34709361 PMCID: PMC8554692 DOI: 10.1001/jamaoncol.2021.4398] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Questions What is the phenotypic spectrum associated with variants in TP53, the gene variant in persons with Li-Fraumeni syndrome, and what mechanisms underlie phenotypic differences? Findings In this cohort study, the phenotypes within the classification Li-Fraumeni spectrum were defined, and data from 3034 persons from 1282 families with data available in the International Agency for Research on Cancer TP53 Database were analyzed and classified to reveal meaningful differences in the TP53 variant distribution between patients who met vs those who did not meet Li-Fraumeni syndrome testing criteria. Meaning The study results suggest that this classification is a potential step toward understanding the factors that lead to phenotypic differences in the Li-Fraumeni spectrum and may serve as a model for the reclassification of other hereditary conditions with an increased cancer risk. Importance Li-Fraumeni syndrome is a cancer predisposition syndrome that is associated with a high, lifelong risk of a broad spectrum of cancers that is caused by pathogenic TP53 germline variants. A definition that reflects the broad phenotypic spectrum that has evolved since the gene discovery is lacking, and mechanisms leading to phenotypic differences remain largely unknown. Objective To define the phenotypic spectrum of Li-Fraumeni syndrome and conduct phenotype-genotype associations across the phenotypic spectrum. Design, Setting, and Participants We analyzed and classified the germline variant data set of the International Agency for Research on Cancer TP53 database that contains data on a cohort of 3034 persons from 1282 families reported in the scientific literature since 1990. We defined the term Li-Fraumeni spectrum to encompass (1) phenotypic Li-Fraumeni syndrome, defined by the absence of a pathogenic/likely pathogenic TP53 variant in persons/families meeting clinical Li-Fraumeni syndrome criteria; (2) Li-Fraumeni syndrome, defined by the presence of a pathogenic/likely pathogenic TP53 variant in persons/families meeting Li-Fraumeni syndrome testing criteria; (3) attenuated Li-Fraumeni syndrome, defined by the presence of a pathogenic/likely pathogenic TP53 variant in a person/family with cancer who does not meet Li-Fraumeni syndrome testing criteria; and (4) incidental Li-Fraumeni syndrome, defined by the presence of a pathogenic/likely pathogenic TP53 variant in a person/family without a history of cancer. Data analysis occurred from November 2020 to March 2021. Main Outcomes and Measures Differences in variant distribution and cancer characteristics in patients with a germline TP53 variant who met vs did not meet Li-Fraumeni syndrome testing criteria. Results Tumor spectra showed significant differences, with more early adrenal (n = 166, 6.5% vs n = 0), brain (n = 360, 14.17% vs n = 57, 7.46%), connective tissue (n = 303, 11.92% vs n = 56, 7.33%), and bone tumors (n = 279, 10.98% vs n = 3, 0.39%) in patients who met Li-Fraumeni syndrome genetic testing criteria (n = 2139). Carriers who did not meet Li-Fraumeni syndrome genetic testing criteria (n = 678) had more breast (n = 292, 38.22% vs n = 700, 27.55%) and other cancers, 45% of them occurring after age 45 years. Hotspot variants were present in both groups. Several variants were exclusively found in patients with Li-Fraumeni syndrome, while others where exclusively found in patients with attenuated Li-Fraumeni syndrome. In patients who met Li-Fraumeni syndrome genetic testing criteria, most TP53 variants were classified as pathogenic/likely pathogenic (1757 of 2139, 82.2%), whereas 40.4% (404 of 678) of TP53 variants identified in patients who did not meet the Li-Fraumeni syndrome genetic testing criteria were classified as variants of uncertain significance, conflicting results, likely benign, benign, or unknown. Conclusions and Relevance The findings of this cohort study suggest that this new classification, Li-Fraumeni spectrum, is a step toward understanding the factors that lead to phenotypic differences and may serve as a model for other cancer predisposition syndromes.
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Affiliation(s)
- Christian P Kratz
- Pediatric Hematology and Oncology, Hannover Medical School, Hannover, Germany
| | - Claire Freycon
- Department of Pediatrics, Grenoble Alpes University Hospital, Grenoble, France.,Institute for Advanced Biosciences, Institut National de la Santé et de la Recherche Médicale 1209 Centre National de la Recherche Scientifique 5309 Universitè Grenoble Alpes, Grenoble, France
| | - Kara N Maxwell
- Department of Medicine, Hematology-Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Kim E Nichols
- Department of Oncology, St Jude Children's Research Hospital, Memphis, Tennessee
| | - Joshua D Schiffman
- Division of Pediatric Hematology/Oncology, Departments of Pediatrics and Oncological Sciences, Huntsman Cancer Institute, Salt Lake City, Utah
| | - D Gareth Evans
- Division of Evolution and Genomic Sciences, University of Manchester, Manchester Academic Health Science Centre, Manchester, England
| | - Maria I Achatz
- Oncology Center, Hospital Sirio-Libanes, Sao Paulo, Brazil
| | - Sharon A Savage
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | | | - Judy E Garber
- Harvard Medical School, Boston, Massachusetts.,Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts.,Division of Population Sciences, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Pierre Hainaut
- Institute for Advanced Biosciences, Institut National de la Santé et de la Recherche Médicale 1209 Centre National de la Recherche Scientifique 5309 Universitè Grenoble Alpes, Grenoble, France
| | - David Malkin
- Division of Hematology/Oncology, The Hospital for Sick Children, Department of Pediatrics, University of Toronto, Toronto, Ontario, Canada
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Synoradzki KJ, Bartnik E, Czarnecka AM, Fiedorowicz M, Firlej W, Brodziak A, Stasinska A, Rutkowski P, Grieb P. TP53 in Biology and Treatment of Osteosarcoma. Cancers (Basel) 2021; 13:4284. [PMID: 34503094 PMCID: PMC8428337 DOI: 10.3390/cancers13174284] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 08/12/2021] [Accepted: 08/13/2021] [Indexed: 12/12/2022] Open
Abstract
The TP53 gene is mutated in 50% of human tumors. Oncogenic functions of mutant TP53 maintain tumor cell proliferation and tumor growth also in osteosarcomas. We collected data on TP53 mutations in patients to indicate which are more common and describe their role in in vitro and animal models. We also describe animal models with TP53 dysfunction, which provide a good platform for testing the potential therapeutic approaches. Finally, we have indicated a whole range of pharmacological compounds that modulate the action of p53, stabilize its mutated versions or lead to its degradation, cause silencing or, on the contrary, induce the expression of its functional version in genetic therapy. Although many of the described therapies are at the preclinical testing stage, they offer hope for a change in the approach to osteosarcoma treatment based on TP53 targeting in the future.
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Affiliation(s)
- Kamil Jozef Synoradzki
- Small Animal Magnetic Resonance Imaging Laboratory, Mossakowski Medical Research Institute, Polish Academy of Sciences, 02-106 Warsaw, Poland;
- Department of Experimental Pharmacology, Mossakowski Medical Research Institute, Polish Academy of Sciences, 02-106 Warsaw, Poland; (A.M.C.); (A.S.); (P.G.)
| | - Ewa Bartnik
- Institute of Genetics and Biotechnology, Faculty of Biology, University of Warsaw, 02-106 Warsaw, Poland;
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, 02-106 Warsaw, Poland
| | - Anna M. Czarnecka
- Department of Experimental Pharmacology, Mossakowski Medical Research Institute, Polish Academy of Sciences, 02-106 Warsaw, Poland; (A.M.C.); (A.S.); (P.G.)
- Department of Soft Tissue, Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (W.F.); (P.R.)
| | - Michał Fiedorowicz
- Small Animal Magnetic Resonance Imaging Laboratory, Mossakowski Medical Research Institute, Polish Academy of Sciences, 02-106 Warsaw, Poland;
| | - Wiktoria Firlej
- Department of Soft Tissue, Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (W.F.); (P.R.)
- Faculty of Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Anna Brodziak
- Laboratory of Centre for Preclinical Research, Department of Experimental and Clinical Physiology, Medical University of Warsaw, 02-097 Warsaw, Poland;
- Department of Oncology and Radiotherapy, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland
| | - Agnieszka Stasinska
- Department of Experimental Pharmacology, Mossakowski Medical Research Institute, Polish Academy of Sciences, 02-106 Warsaw, Poland; (A.M.C.); (A.S.); (P.G.)
| | - Piotr Rutkowski
- Department of Soft Tissue, Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (W.F.); (P.R.)
| | - Paweł Grieb
- Department of Experimental Pharmacology, Mossakowski Medical Research Institute, Polish Academy of Sciences, 02-106 Warsaw, Poland; (A.M.C.); (A.S.); (P.G.)
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Kuo KK, Hsiao PJ, Chang WT, Chuang SC, Yang YH, Wuputra K, Ku CC, Pan JB, Li CP, Kato K, Liu CJ, Wu DC, Yokoyama KK. Therapeutic Strategies Targeting Tumor Suppressor Genes in Pancreatic Cancer. Cancers (Basel) 2021; 13:3920. [PMID: 34359820 PMCID: PMC8345812 DOI: 10.3390/cancers13153920] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/28/2021] [Accepted: 07/30/2021] [Indexed: 12/11/2022] Open
Abstract
The high mortality of pancreatic cancer is attributed to the insidious progression of this disease, which results in a delayed diagnosis and advanced disease stage at diagnosis. More than 35% of patients with pancreatic cancer are in stage III, whereas 50% are in stage IV at diagnosis. Thus, understanding the aggressive features of pancreatic cancer will contribute to the resolution of problems, such as its early recurrence, metastasis, and resistance to chemotherapy and radiotherapy. Therefore, new therapeutic strategies targeting tumor suppressor gene products may help prevent the progression of pancreatic cancer. In this review, we discuss several recent clinical trials of pancreatic cancer and recent studies reporting safe and effective treatment modalities for patients with advanced pancreatic cancer.
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Affiliation(s)
- Kung-Kai Kuo
- Division of General & Digestive Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan; (K.-K.K.); (W.-T.C.); (S.-C.C.); (Y.-H.Y.)
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (K.W.); (C.-C.K.); (J.-B.P.); (C.-P.L.); (C.-J.L.); (D.-C.W.)
- Department of Surgery, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Pi-Jung Hsiao
- Department of Internal Medicine, Division of Endocrinology and Metabolism, EDA Hospital, College of Medicine, I-Shou University, Kaohsiung 82445, Taiwan;
| | - Wen-Tsan Chang
- Division of General & Digestive Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan; (K.-K.K.); (W.-T.C.); (S.-C.C.); (Y.-H.Y.)
- Department of Surgery, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Shih-Chang Chuang
- Division of General & Digestive Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan; (K.-K.K.); (W.-T.C.); (S.-C.C.); (Y.-H.Y.)
- Department of Surgery, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Ya-Han Yang
- Division of General & Digestive Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan; (K.-K.K.); (W.-T.C.); (S.-C.C.); (Y.-H.Y.)
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (K.W.); (C.-C.K.); (J.-B.P.); (C.-P.L.); (C.-J.L.); (D.-C.W.)
- Department of Surgery, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Kenly Wuputra
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (K.W.); (C.-C.K.); (J.-B.P.); (C.-P.L.); (C.-J.L.); (D.-C.W.)
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Chia-Chen Ku
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (K.W.); (C.-C.K.); (J.-B.P.); (C.-P.L.); (C.-J.L.); (D.-C.W.)
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Jia-Bin Pan
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (K.W.); (C.-C.K.); (J.-B.P.); (C.-P.L.); (C.-J.L.); (D.-C.W.)
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Chia-Pei Li
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (K.W.); (C.-C.K.); (J.-B.P.); (C.-P.L.); (C.-J.L.); (D.-C.W.)
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Kohsuke Kato
- Department of Infection Biology, Graduate School of Comprehensive Human Sciences, the University of Tsukuba, Tsukuba 305-8577, Japan;
| | - Chung-Jung Liu
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (K.W.); (C.-C.K.); (J.-B.P.); (C.-P.L.); (C.-J.L.); (D.-C.W.)
- Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan
- Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan
| | - Deng-Chyang Wu
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (K.W.); (C.-C.K.); (J.-B.P.); (C.-P.L.); (C.-J.L.); (D.-C.W.)
- Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan
- Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan
| | - Kazunari K. Yokoyama
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (K.W.); (C.-C.K.); (J.-B.P.); (C.-P.L.); (C.-J.L.); (D.-C.W.)
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan
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Ottaviano M, Giunta EF, Rescigno P, Pereira Mestre R, Marandino L, Tortora M, Riccio V, Parola S, Casula M, Paliogiannis P, Cossu A, Vogl UM, Bosso D, Rosanova M, Mazzola B, Daniele B, Palmieri G, Palmieri G. The Enigmatic Role of TP53 in Germ Cell Tumours: Are We Missing Something? Int J Mol Sci 2021; 22:7160. [PMID: 34281219 PMCID: PMC8267694 DOI: 10.3390/ijms22137160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/27/2021] [Accepted: 06/28/2021] [Indexed: 12/24/2022] Open
Abstract
The cure rate of germ cell tumours (GCTs) has significantly increased from the late 1970s since the introduction of cisplatin-based therapy, which to date remains the milestone for GCTs treatment. The exquisite cisplatin sensitivity has been mainly explained by the over-expression in GCTs of wild-type TP53 protein and the lack of TP53 somatic mutations; however, several other mechanisms seem to be involved, many of which remain still elusive. The findings about the role of TP53 in platinum-sensitivity and resistance, as well as the reported evidence of second cancers (SCs) in GCT patients treated only with surgery, suggesting a spectrum of cancer predisposing syndromes, highlight the need for a deepened understanding of the role of TP53 in GCTs. In the following report we explore the complex role of TP53 in GCTs cisplatin-sensitivity and resistance mechanisms, passing through several recent genomic studies, as well as its role in GCT patients with SCs, going through our experience of Center of reference for both GCTs and cancer predisposing syndromes.
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Affiliation(s)
- Margaret Ottaviano
- Oncology Unit, Ospedale del Mare, 80147 Naples, Italy; (D.B.); (M.R.); (B.D.)
- CRCTR Coordinating Rare Tumors Reference Center of Campania Region, 80131 Naples, Italy; (M.T.); (G.P.)
- IOSI (Oncology Institute of Southern Switzerland), Ente Ospedaliero Cantonale (EOC), 6500 Bellinzona, Switzerland; (R.P.M.); (L.M.); (U.M.V.)
| | - Emilio Francesco Giunta
- Oncology Unit, Department of Precision Medicine, Università Degli Studi Della Campania Luigi Vanvitelli, 80131 Naples, Italy;
| | - Pasquale Rescigno
- Interdisciplinary Group for Translational Research and Clinical Trials, Urological Cancers (GIRT-Uro), Candiolo Cancer Institute, FPO-IRCCS, Candiolo, 10160 Turin, Italy;
| | - Ricardo Pereira Mestre
- IOSI (Oncology Institute of Southern Switzerland), Ente Ospedaliero Cantonale (EOC), 6500 Bellinzona, Switzerland; (R.P.M.); (L.M.); (U.M.V.)
| | - Laura Marandino
- IOSI (Oncology Institute of Southern Switzerland), Ente Ospedaliero Cantonale (EOC), 6500 Bellinzona, Switzerland; (R.P.M.); (L.M.); (U.M.V.)
| | - Marianna Tortora
- CRCTR Coordinating Rare Tumors Reference Center of Campania Region, 80131 Naples, Italy; (M.T.); (G.P.)
| | - Vittorio Riccio
- Department of Clinical Medicine and Surgery, Università degli studi di Napoli Federico II, 80131 Naples, Italy; (V.R.); (S.P.)
| | - Sara Parola
- Department of Clinical Medicine and Surgery, Università degli studi di Napoli Federico II, 80131 Naples, Italy; (V.R.); (S.P.)
| | - Milena Casula
- Institute of Genetics and Biomedical Research (IRGB), National Research Council (CNR), 07100 Sassari, Italy; (M.C.); (G.P.)
| | - Panagiotis Paliogiannis
- Departments of Biomedical Sciences and Medical, Surgical, Experimental Sciences, University of Sassari, 07100 Sassari, Italy; (P.P.); (A.C.)
| | - Antonio Cossu
- Departments of Biomedical Sciences and Medical, Surgical, Experimental Sciences, University of Sassari, 07100 Sassari, Italy; (P.P.); (A.C.)
| | - Ursula Maria Vogl
- IOSI (Oncology Institute of Southern Switzerland), Ente Ospedaliero Cantonale (EOC), 6500 Bellinzona, Switzerland; (R.P.M.); (L.M.); (U.M.V.)
| | - Davide Bosso
- Oncology Unit, Ospedale del Mare, 80147 Naples, Italy; (D.B.); (M.R.); (B.D.)
| | - Mario Rosanova
- Oncology Unit, Ospedale del Mare, 80147 Naples, Italy; (D.B.); (M.R.); (B.D.)
| | - Brunello Mazzola
- Department of Urology, Ente Ospedaliero Cantonale (EOC), 6600 Locarno, Switzerland;
| | - Bruno Daniele
- Oncology Unit, Ospedale del Mare, 80147 Naples, Italy; (D.B.); (M.R.); (B.D.)
| | - Giuseppe Palmieri
- Institute of Genetics and Biomedical Research (IRGB), National Research Council (CNR), 07100 Sassari, Italy; (M.C.); (G.P.)
- Departments of Biomedical Sciences and Medical, Surgical, Experimental Sciences, University of Sassari, 07100 Sassari, Italy; (P.P.); (A.C.)
| | - Giovannella Palmieri
- CRCTR Coordinating Rare Tumors Reference Center of Campania Region, 80131 Naples, Italy; (M.T.); (G.P.)
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From the (Epi)Genome to Metabolism and Vice Versa; Examples from Hematologic Malignancy. Int J Mol Sci 2021; 22:ijms22126321. [PMID: 34204821 PMCID: PMC8231625 DOI: 10.3390/ijms22126321] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/09/2021] [Accepted: 06/10/2021] [Indexed: 12/18/2022] Open
Abstract
Hematologic malignancies comprise a heterogeneous group of neoplasms arising from hematopoietic cells or their precursors and most commonly presenting as leukemias, lymphomas, and myelomas. Genetic analyses have uncovered recurrent mutations which initiate or accumulate in the course of malignant transformation, as they provide selective growth advantage to the cell. These include mutations in genes encoding transcription factors and epigenetic regulators of metabolic genes, as well as genes encoding key metabolic enzymes. The resulting alterations contribute to the extensive metabolic reprogramming characterizing the transformed cell, supporting its increased biosynthetic needs and allowing it to withstand the metabolic stress that arises as a consequence of increased metabolic rates and changes in its microenvironment. Interestingly, this cross-talk is bidirectional, as metabolites also signal back to the nucleus and, via their widespread effects on modulating epigenetic modifications, shape the chromatin landscape and the transcriptional programs of the cell. In this article, we provide an overview of the main metabolic changes and relevant genetic alterations that characterize malignant hematopoiesis and discuss how, in turn, metabolites regulate epigenetic events during this process. The aim is to illustrate the intricate interrelationship between the genome (and epigenome) and metabolism and its relevance to hematologic malignancy.
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Ding W. The Ongoing Unmet Needs in Chronic Lymphocytic Leukemia: TP53 Disruption, Richter, and Beyond. Hematol Oncol Clin North Am 2021; 35:739-759. [PMID: 34174984 DOI: 10.1016/j.hoc.2021.04.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Despite recent success in regard to targeted therapies in chronic lymphocytic leukemia (CLL), patients with TP53 disruption (including deletion and/or mutation) continue to have poor outcomes compared with other patients with CLL. In this article, a review of common TP53 mutations in CLL, and recent trials using novel targeted agents in CLL patients with TP53 disruption, is provided with the goal of emphasizing the need to continuously focus on this area of research. In addition, limited but available data on double refractory CLL to BTK inhibitor and BCL-2 inhibitor, and on Richter syndrome, are reviewed.
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Affiliation(s)
- Wei Ding
- Division of Hematology, Mayo Clinic, 200 First Street, Southwest, Rochester, MN 55905, USA.
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El Tekle G, Bernasocchi T, Unni AM, Bertoni F, Rossi D, Rubin MA, Theurillat JP. Co-occurrence and mutual exclusivity: what cross-cancer mutation patterns can tell us. Trends Cancer 2021; 7:823-836. [PMID: 34031014 DOI: 10.1016/j.trecan.2021.04.009] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/25/2021] [Accepted: 04/30/2021] [Indexed: 12/19/2022]
Abstract
Cancer is the dysregulated proliferation of cells caused by acquired mutations in key driver genes. The most frequently mutated driver genes promote tumorigenesis in various organisms, cell types, and genetic backgrounds. However, recent cancer genomics studies also point to the existence of context-dependent driver gene functions, where specific mutations occur predominately or even exclusively in certain tumor types or genetic backgrounds. Here, we review examples of co-occurring and mutually exclusive driver gene mutation patterns across cancer genomes and discuss their underlying biology. While co-occurring driver genes typically activate collaborating oncogenic pathways, we identify two distinct biological categories of incompatibilities among the mutually exclusive driver genes depending on whether the mutated drivers trigger the same or divergent tumorigenic pathways. Finally, we discuss possible therapeutic avenues emerging from the study of incompatible driver gene mutations.
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Affiliation(s)
- Geniver El Tekle
- Institute of Oncology Research, Faculty of Biomedical Sciences, Università della Svizzera Italiana, Bellinzona, TI 6500, Switzerland
| | - Tiziano Bernasocchi
- Institute of Oncology Research, Faculty of Biomedical Sciences, Università della Svizzera Italiana, Bellinzona, TI 6500, Switzerland
| | - Arun M Unni
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10065, USA
| | - Francesco Bertoni
- Institute of Oncology Research, Faculty of Biomedical Sciences, Università della Svizzera Italiana, Bellinzona, TI 6500, Switzerland
| | - Davide Rossi
- Institute of Oncology Research, Faculty of Biomedical Sciences, Università della Svizzera Italiana, Bellinzona, TI 6500, Switzerland; Oncology Institute of Southern Switzerland, Bellinzona, TI 6500, Switzerland
| | - Mark A Rubin
- Department for BioMedical Research, Precision Oncology Laboratory, University of Bern, Bern, Switzerland; Bern Center for Precision Medicine, University of Bern and Inselspital, Bern, Switzerland
| | - Jean-Philippe Theurillat
- Institute of Oncology Research, Faculty of Biomedical Sciences, Università della Svizzera Italiana, Bellinzona, TI 6500, Switzerland.
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Report of 2 Pediatric Cases With Li-Fraumeni Syndrome Related Malignancy in a Family. J Pediatr Hematol Oncol 2021; 43:e567-e570. [PMID: 32555031 DOI: 10.1097/mph.0000000000001862] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 05/18/2020] [Indexed: 11/26/2022]
Abstract
Li-Fraumeni syndrome (LFS) is a rare inherited disease characterized by a high and early-onset cancer risk. A cancer surveillance program is important to reduce cancer-related morbidity and mortality in individuals with LFS. We report 2 pediatric cases with LFS-related malignancy in a family. Eight-year-old elder brother was diagnosed with adrenocortical carcinoma and was found to have a heterozygous missense germline mutation c.736A>G: p.Met246Val in the TP53 gene. Cancer screening led to the diagnosis of rhabdomyosarcoma at a curable stage in his 2-year-old younger brother. Comprehensive surveillance resulted in early tumor detection and improved survival.
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Juhlin CC, Bertherat J, Giordano TJ, Hammer GD, Sasano H, Mete O. What Did We Learn from the Molecular Biology of Adrenal Cortical Neoplasia? From Histopathology to Translational Genomics. Endocr Pathol 2021; 32:102-133. [PMID: 33534120 DOI: 10.1007/s12022-021-09667-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/12/2021] [Indexed: 12/23/2022]
Abstract
Approximately one-tenth of the general population exhibit adrenal cortical nodules, and the incidence has increased. Afflicted patients display a multifaceted symptomatology-sometimes with rather spectacular features. Given the general infrequency as well as the specific clinical, histological, and molecular considerations characterizing these lesions, adrenal cortical tumors should be investigated by endocrine pathologists in high-volume tertiary centers. Even so, to distinguish specific forms of benign adrenal cortical lesions as well as to pinpoint malignant cases with the highest risk of poor outcome is often challenging using conventional histology alone, and molecular genetics and translational biomarkers are therefore gaining increased attention as a possible discriminator in this context. In general, our understanding of adrenal cortical tumorigenesis has increased tremendously the last decade, not least due to the development of next-generation sequencing techniques. Comprehensive analyses have helped establish the link between benign aldosterone-producing adrenal cortical proliferations and ion channel mutations, as well as mutations in the protein kinase A (PKA) signaling pathway coupled to cortisol-producing adrenal cortical lesions. Moreover, molecular classifications of adrenal cortical tumors have facilitated the distinction of benign from malignant forms, as well as the prognostication of the individual patients with verified adrenal cortical carcinoma, enabling high-resolution diagnostics that is not entirely possible by histology alone. Therefore, combinations of histology, immunohistochemistry, and next-generation multi-omic analyses are all needed in an integrated fashion to properly distinguish malignancy in some cases. Despite significant progress made in the field, current clinical and pathological challenges include the preoperative distinction of non-metastatic low-grade adrenal cortical carcinoma confined to the adrenal gland, adoption of individualized therapeutic algorithms aligned with molecular and histopathologic risk stratification tools, and histological confirmation of functional adrenal cortical disease in the context of multifocal adrenal cortical proliferations. We herein review the histological, genetic, and epigenetic landscapes of benign and malignant adrenal cortical neoplasia from a modern surgical endocrine pathology perspective and highlight key mechanisms of value for diagnostic and prognostic purposes.
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Affiliation(s)
- C Christofer Juhlin
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
- Department of Pathology and Cytology, Karolinska University Hospital, Stockholm, Sweden
| | - Jérôme Bertherat
- Université de Paris, Institut Cochin, Inserm U1016, CNRS UMR8104, 75014, Paris, France
- Department of Endocrinology and National Reference Center for Rare Adrenal Disorders, Hôpital Cochin, Assistance Publique Hôpitaux de Paris, 75014, Paris, France
| | - Thomas J Giordano
- Department of Pathology and Internal Medicine, University of Michigan, MI, Ann Arbor, USA
| | - Gary D Hammer
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Hironobu Sasano
- Department of Pathology, Tohoku University School of Medicine, Sendai, Japan
| | - Ozgur Mete
- Department of Pathology, University Health Network, Toronto, ON, Canada.
- Endocrine Oncology Site, Princess Margaret Cancer Centre, Toronto, ON, Canada.
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.
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Zhang C, Liu J, Wang J, Zhang T, Xu D, Hu W, Feng Z. The Interplay Between Tumor Suppressor p53 and Hypoxia Signaling Pathways in Cancer. Front Cell Dev Biol 2021; 9:648808. [PMID: 33681231 PMCID: PMC7930565 DOI: 10.3389/fcell.2021.648808] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Accepted: 01/29/2021] [Indexed: 12/13/2022] Open
Abstract
Hypoxia is a hallmark of solid tumors and plays a critical role in different steps of tumor progression, including proliferation, survival, angiogenesis, metastasis, metabolic reprogramming, and stemness of cancer cells. Activation of the hypoxia-inducible factor (HIF) signaling plays a critical role in regulating hypoxic responses in tumors. As a key tumor suppressor and transcription factor, p53 responds to a wide variety of stress signals, including hypoxia, and selectively transcribes its target genes to regulate various cellular responses to exert its function in tumor suppression. Studies have demonstrated a close but complex interplay between hypoxia and p53 signaling pathways. The p53 levels and activities can be regulated by the hypoxia and HIF signaling differently depending on the cell/tissue type and the severity and duration of hypoxia. On the other hand, p53 regulates the hypoxia and HIF signaling at multiple levels. Many tumor-associated mutant p53 proteins display gain-of-function (GOF) oncogenic activities to promote cancer progression. Emerging evidence has also shown that GOF mutant p53 can promote cancer progression through its interplay with the hypoxia and HIF signaling pathway. In this review, we summarize our current understanding of the interplay between the hypoxia and p53 signaling pathways, its impact upon cancer progression, and its potential application in cancer therapy.
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Affiliation(s)
- Cen Zhang
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers-State University of New Jersey, New Brunswick, NJ, United States
| | - Juan Liu
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers-State University of New Jersey, New Brunswick, NJ, United States
| | - Jianming Wang
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers-State University of New Jersey, New Brunswick, NJ, United States
| | - Tianliang Zhang
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers-State University of New Jersey, New Brunswick, NJ, United States
| | - Dandan Xu
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers-State University of New Jersey, New Brunswick, NJ, United States
| | - Wenwei Hu
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers-State University of New Jersey, New Brunswick, NJ, United States
| | - Zhaohui Feng
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers-State University of New Jersey, New Brunswick, NJ, United States
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Clinical and genetic characteristics of children with acute lymphoblastic leukemia and Li-Fraumeni syndrome. Leukemia 2021; 35:1475-1479. [PMID: 33580201 PMCID: PMC8102191 DOI: 10.1038/s41375-021-01163-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 01/12/2021] [Accepted: 01/26/2021] [Indexed: 02/02/2023]
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Molica M, Mazzone C, Niscola P, de Fabritiis P. TP53 Mutations in Acute Myeloid Leukemia: Still a Daunting Challenge? Front Oncol 2021; 10:610820. [PMID: 33628731 PMCID: PMC7897660 DOI: 10.3389/fonc.2020.610820] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 12/21/2020] [Indexed: 01/03/2023] Open
Abstract
TP53 is a key tumor suppressor gene with protean functions associated with preservation of genomic balance, including regulation of cellular senescence, apoptotic pathways, metabolism functions, and DNA repair. The vast majority of de novo acute myeloid leukemia (AML) present unaltered TP53 alleles. However, TP53 mutations are frequently detected in AML related to an increased genomic instability, such as therapy‐related (t-AML) or AML with myelodysplasia-related changes. Of note, TP53 mutations are associated with complex cytogenetic abnormalities, advanced age, chemoresistance, and poor outcomes. Recent breakthroughs in AML research and the development of targeted drugs directed at specific mutations have led to an explosion of novel treatments with different mechanisms. However, optimal treatment strategy for patients harboring TP53 mutations remains a critical area of unmet need. In this review, we focus on the incidence and clinical significance of TP53 mutations in de novo and t-AML. The influence of these alterations on response and clinical outcomes as well as the current and future therapeutic perspectives for this hardly treatable setting are discussed.
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Affiliation(s)
- Matteo Molica
- Haematology Unit, S. Eugenio Hospital, ASL Roma 2, Rome, Italy
| | - Carla Mazzone
- Haematology Unit, S. Eugenio Hospital, ASL Roma 2, Rome, Italy
| | | | - Paolo de Fabritiis
- Haematology Unit, S. Eugenio Hospital, ASL Roma 2, Rome, Italy.,Department of Biomedicina and Prevenzione, Tor Vergata University, Rome, Italy
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Molecular Genetics in the Multidisciplinary Management of Sarcoma. Sarcoma 2021. [DOI: 10.1007/978-981-15-9414-4_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Evans DG, Woodward ER, Bajalica-Lagercrantz S, Oliveira C, Frebourg T. Germline TP53 Testing in Breast Cancers: Why, When and How? Cancers (Basel) 2020; 12:cancers12123762. [PMID: 33327514 PMCID: PMC7764913 DOI: 10.3390/cancers12123762] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/05/2020] [Accepted: 12/08/2020] [Indexed: 12/13/2022] Open
Abstract
Simple Summary TP53 variants detected in blood represent a main genetic cause of breast cancers occurring before 31 years of age. TP53 being included in most of the cancer gene panels, patients with breast cancer are offered germline TP53 testing, independently of the age of tumour onset and familial history. Interpretation of TP53 variants is remarkably complex, and detection of a germline disease-causing TP53 variant in a breast cancer patient has drastic medical consequences: radiotherapy contributing to the development of subsequent tumours should be, if possible, avoided. In her family, variant carriers should be offered annual follow-up, including whole-body MRI. Therefore, we consider that, in breast cancer patients, germline TP53 testing should be performed before treatment and that the decision of TP53 testing should not be systematic but based on the age of tumour onset, type of breast cancer, personal and familial history of cancer. Abstract Germline TP53 variants represent a main genetic cause of breast cancers before 31 years of age. Development of cancer multi-gene panels has resulted in an exponential increase of germline TP53 testing in breast cancer patients. Interpretation of TP53 variants, which are mostly missense, is complex and requires excluding clonal haematopoiesis and circulating tumour DNA. In breast cancer patients harbouring germline disease-causing TP53 variants, radiotherapy contributing to the development of subsequent tumours should be, if possible, avoided and, within families, annual follow-up including whole-body MRI should be offered to carriers. We consider that, in breast cancer patients, germline TP53 testing should be performed before treatment and offered systematically only to patients with: (i) invasive breast carcinoma or ductal carcinoma in situ (DCIS) before 31; or (ii) bilateral or multifocal or HER2+ invasive breast carcinoma/DCIS or phyllode tumour before 36; or (iii) invasive breast carcinoma before 46 and another TP53 core tumour (breast cancer, soft-tissue sarcoma, osteosarcoma, central nervous system tumour, adrenocortical carcinoma); or (iv) invasive breast carcinoma before 46 and one first- or second-degree relative with a TP53 core tumour before 56. In contrast, women presenting with breast cancer after 46, without suggestive personal or familial history, should not be tested for TP53.
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Affiliation(s)
- D. Gareth Evans
- Manchester Centre for Genomic Medicine, Division of Evolution and Genomic Sciences, University of Manchester, Manchester M13 9WL, UK;
- Manchester Centre for Genomic Medicine St Mary’s Hospital, Manchester University Hospitals NHS Foundation Trust, Manchester M13 9WL, UK
- Correspondence: (D.G.E.); (T.F.)
| | - Emma R. Woodward
- Manchester Centre for Genomic Medicine, Division of Evolution and Genomic Sciences, University of Manchester, Manchester M13 9WL, UK;
- Manchester Centre for Genomic Medicine St Mary’s Hospital, Manchester University Hospitals NHS Foundation Trust, Manchester M13 9WL, UK
| | - Svetlana Bajalica-Lagercrantz
- Hereditary Cancer Unit, Department of Clinical Genetics, Karolinska University Hospital, SE-17176 Stockholm, Sweden;
| | - Carla Oliveira
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal;
- Ipatimup-Institute of Molecular Pathology and Immunology of the University of Porto, 4200-135 Porto, Portugal
- Porto Comprehensive Cancer Center, 4200-072 Porto, Portugal
| | - Thierry Frebourg
- Department of Genetics, Rouen University Hospital, Normandy Centre for Genomic and Personalized Medicine, 76000 Rouen, France
- Inserm U1245, Normandie University, UNIROUEN, Normandy Centre for Genomic and Personalized Medicine, 76183 Rouen, France
- Correspondence: (D.G.E.); (T.F.)
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Carta R, Del Baldo G, Miele E, Po A, Besharat ZM, Nazio F, Colafati GS, Piccirilli E, Agolini E, Rinelli M, Lodi M, Cacchione A, Carai A, Boccuto L, Ferretti E, Locatelli F, Mastronuzzi A. Cancer Predisposition Syndromes and Medulloblastoma in the Molecular Era. Front Oncol 2020; 10:566822. [PMID: 33194646 PMCID: PMC7658916 DOI: 10.3389/fonc.2020.566822] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 09/30/2020] [Indexed: 12/14/2022] Open
Abstract
Medulloblastoma is the most common malignant brain tumor in children. In addition to sporadic cases, medulloblastoma may occur in association with cancer predisposition syndromes. This review aims to provide a complete description of inherited cancer syndromes associated with medulloblastoma. We examine their epidemiological, clinical, genetic, and diagnostic features and therapeutic approaches, including their correlation with medulloblastoma. Furthermore, according to the most recent molecular advances, we describe the association between the various molecular subgroups of medulloblastoma and each cancer predisposition syndrome. Knowledge of the aforementioned conditions can guide pediatric oncologists in performing adequate cancer surveillance. This will allow clinicians to promptly diagnose and treat medulloblastoma in syndromic children, forming a team with all specialists necessary for the correct management of the other various manifestations/symptoms related to the inherited cancer syndromes.
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Affiliation(s)
- Roberto Carta
- Department of Hematology/Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Giada Del Baldo
- Department of Hematology/Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Evelina Miele
- Department of Hematology/Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Agnese Po
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | | | - Francesca Nazio
- Department of Hematology/Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Giovanna Stefania Colafati
- Oncological Neuroradiology Unit, Imaging Department, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Eleonora Piccirilli
- Department of Neuroscience, Imaging and Clinical Science, University "G.d'Annunzio" of Chieti, Chieti, Italy
| | - Emanuele Agolini
- Laboratory of Medical Genetics, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Martina Rinelli
- Laboratory of Medical Genetics, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Mariachiara Lodi
- Department of Hematology/Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Antonella Cacchione
- Department of Hematology/Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Andrea Carai
- Neurosurgery Unit, Department of Neurological and Psychiatric Sciences, IRCCS Bambino Gesù Children's Hospital, Rome, Italy
| | - Luigi Boccuto
- JC Self Research Institute, Greenwood Genetic Center, Greenwood, SC, United States.,School of Nursing, College of Behavioral, Social and Health Science, Clemson University, Clemson, SC, United States
| | - Elisabetta Ferretti
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Franco Locatelli
- Department of Hematology/Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy.,Department of Maternal, Infantile, and Urological Sciences, University of Rome La Sapienza, Rome, Italy
| | - Angela Mastronuzzi
- Department of Hematology/Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
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Raad S, Rolain M, Coutant S, Derambure C, Lanos R, Charbonnier F, Bou J, Bouvignies E, Lienard G, Vasseur S, Farrell M, Ingster O, Baert Desurmont S, Kasper E, Bougeard G, Frébourg T, Tournier I. Blood functional assay for rapid clinical interpretation of germline TP53 variants. J Med Genet 2020; 58:796-805. [PMID: 33051313 PMCID: PMC8639931 DOI: 10.1136/jmedgenet-2020-107059] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 08/05/2020] [Accepted: 09/01/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND The interpretation of germline TP53 variants is critical to ensure appropriate medical management of patients with cancer and follow-up of variant carriers. This interpretation remains complex and is becoming a growing challenge considering the exponential increase in TP53 tests. We developed a functional assay directly performed on patients' blood. METHODS Peripheral blood mononuclear cells were cultured, activated, exposed to doxorubicin and the p53-mediated transcriptional response was quantified using reverse transcription-multiplex ligation probe amplification and RT-QMPSF assays, including 10 p53 targets selected from transcriptome analysis, and two amplicons to measure p53 mRNA levels. We applied this blood functional assay to 77 patients addressed for TP53 analysis. RESULTS In 51 wild-type TP53 individuals, the mean p53 functionality score was 12.7 (range 7.5-22.8). Among eight individuals harbouring likely pathogenic or pathogenic variants, the scores were reduced (mean 4.8, range 3.1-7.1), and p53 mRNA levels were reduced in patients harbouring truncating variants. We tested 14 rare unclassified variants (p.(Pro72His), p.(Gly105Asp), p.(Arg110His), p.(Phe134Leu), p.(Arg158Cys), p.(Pro191Arg), p.(Pro278Arg), p.(Arg283Cys), p.(Leu348Ser), p.(Asp352Tyr), p.(Gly108_Phe109delinsVal), p.(Asn131del), p.(Leu265del), c.-117G>T) and 12 yielded functionally abnormal scores. Remarkably, the assay revealed that the c.*1175A>C polymorphic variant within TP53 poly-adenylation site can impact p53 function with the same magnitude as a null variant, when present on both alleles, and may act as a modifying factor in pathogenic variant carriers. CONCLUSION This blood p53 assay should therefore be a useful tool for the rapid clinical classification of germline TP53 variants and detection of non-coding functional variants.
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Affiliation(s)
- Sabine Raad
- Normandie University, UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Genetics, F76000, Normandy Centre for Genomic and Personalized Medicine, University of Rouen Faculty of Medicine and Pharmacy, Rouen, France
| | - Marion Rolain
- Normandie University, UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Genetics, F76000, Normandy Centre for Genomic and Personalized Medicine, University of Rouen Faculty of Medicine and Pharmacy, Rouen, France
| | - Sophie Coutant
- Normandie University, UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Genetics, F76000, Normandy Centre for Genomic and Personalized Medicine, University of Rouen Faculty of Medicine and Pharmacy, Rouen, France
| | - Céline Derambure
- Normandie University, UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Genetics, F76000, Normandy Centre for Genomic and Personalized Medicine, University of Rouen Faculty of Medicine and Pharmacy, Rouen, France
| | - Raphael Lanos
- Normandie University, UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Genetics, F76000, Normandy Centre for Genomic and Personalized Medicine, University of Rouen Faculty of Medicine and Pharmacy, Rouen, France
| | - Françoise Charbonnier
- Normandie University, UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Genetics, F76000, Normandy Centre for Genomic and Personalized Medicine, University of Rouen Faculty of Medicine and Pharmacy, Rouen, France
| | - Jacqueline Bou
- Normandie University, UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Genetics, F76000, Normandy Centre for Genomic and Personalized Medicine, University of Rouen Faculty of Medicine and Pharmacy, Rouen, France
| | - Emilie Bouvignies
- Normandie University, UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Genetics, F76000, Normandy Centre for Genomic and Personalized Medicine, University of Rouen Faculty of Medicine and Pharmacy, Rouen, France
| | - Gwendoline Lienard
- Normandie University, UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Genetics, F76000, Normandy Centre for Genomic and Personalized Medicine, University of Rouen Faculty of Medicine and Pharmacy, Rouen, France
| | - Stéphanie Vasseur
- Normandie University, UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Genetics, F76000, Normandy Centre for Genomic and Personalized Medicine, University of Rouen Faculty of Medicine and Pharmacy, Rouen, France
| | - Michael Farrell
- Cancer Genetics Service, Mater Private Hospital, Dublin, Leinster, Ireland
| | - Olivier Ingster
- Department of Genetics, University Hospital Centre Angers, Angers, Pays de la Loire, France
| | - Stéphanie Baert Desurmont
- Normandie University, UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Genetics, F76000, Normandy Centre for Genomic and Personalized Medicine, University of Rouen Faculty of Medicine and Pharmacy, Rouen, France
| | - Edwige Kasper
- Normandie University, UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Genetics, F76000, Normandy Centre for Genomic and Personalized Medicine, University of Rouen Faculty of Medicine and Pharmacy, Rouen, France
| | - Gaëlle Bougeard
- Normandie University, UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Genetics, F76000, Normandy Centre for Genomic and Personalized Medicine, University of Rouen Faculty of Medicine and Pharmacy, Rouen, France
| | - Thierry Frébourg
- Normandie University, UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Genetics, F76000, Normandy Centre for Genomic and Personalized Medicine, University of Rouen Faculty of Medicine and Pharmacy, Rouen, France
| | - Isabelle Tournier
- Normandie University, UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Genetics, F76000, Normandy Centre for Genomic and Personalized Medicine, University of Rouen Faculty of Medicine and Pharmacy, Rouen, France
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Halliwell J, Barbaric I, Andrews PW. Acquired genetic changes in human pluripotent stem cells: origins and consequences. Nat Rev Mol Cell Biol 2020; 21:715-728. [DOI: 10.1038/s41580-020-00292-z] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/19/2020] [Indexed: 12/14/2022]
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50
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Hendrickson PG, Luo Y, Kohlmann W, Schiffman J, Maese L, Bishop AJ, Lloyd S, Kokeny KE, Hitchcock YJ, Poppe MM, Gaffney DK, Tao R. Radiation therapy and secondary malignancy in Li-Fraumeni syndrome: A hereditary cancer registry study. Cancer Med 2020; 9:7954-7963. [PMID: 32931654 PMCID: PMC7643676 DOI: 10.1002/cam4.3427] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 07/31/2020] [Indexed: 01/02/2023] Open
Abstract
Background Li‐Fraumeni Syndrome (LFS) is a rare cancer‐predisposing condition caused by germline mutations in TP53. Conventional wisdom and prior work has implied an increased risk of secondary malignancy in LFS patients treated with radiation therapy (RT); however, this risk is not well‐characterized. Here we describe the risk of subsequent malignancy and cancer‐related death in LFS patients after undergoing RT for a first or second primary cancer. Methods We reviewed a multi‐institutional hereditary cancer registry of patients with germline TP53 mutations who were treated from 2004 to 2017. We assessed the rate of subsequent malignancy and death in the patients who received RT (RT group) as part of their cancer treatment compared to those who did not (non‐RT group). Results Forty patients with LFS were identified and 14 received RT with curative intent as part of their cancer treatment. The median time to follow‐up after RT was 4.5 years. Fifty percent (7/14) of patients in the curative‐intent group developed a subsequent malignancy (median time 3.5 years) compared to 46% of patients in the non‐RT group (median time 5.0 years). Four of seven subsequent malignancies occurred within a prior radiation field and all shared histology with the primary cancer suggesting recurrence rather than new malignancy. Conclusion We found that four of14 patients treated with RT developed in‐field malignancies. All had the same histology as the primary suggesting local recurrences rather than RT‐induced malignancies. We recommend that RT should be considered as part of the treatment algorithm when clinically indicated and after multidisciplinary discussion.
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Affiliation(s)
- Peter G Hendrickson
- Department of Radiation Oncology, University of Utah- Huntsman Cancer Institute, Salt Lake City, UT, USA
| | - Yukun Luo
- Department of Radiation Oncology, University of Utah- Huntsman Cancer Institute, Salt Lake City, UT, USA
| | - Wendy Kohlmann
- Department of Pediatric Hematology and Oncology, University of Utah- Huntsman Cancer Institute, Salt Lake City, UT, USA
| | - Josh Schiffman
- Department of Pediatric Hematology and Oncology, University of Utah- Huntsman Cancer Institute, Salt Lake City, UT, USA
| | - Luke Maese
- Department of Pediatric Hematology and Oncology, University of Utah- Huntsman Cancer Institute, Salt Lake City, UT, USA
| | - Andrew J Bishop
- Department of Radiation Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Shane Lloyd
- Department of Radiation Oncology, University of Utah- Huntsman Cancer Institute, Salt Lake City, UT, USA
| | - Kristine E Kokeny
- Department of Radiation Oncology, University of Utah- Huntsman Cancer Institute, Salt Lake City, UT, USA
| | - Ying J Hitchcock
- Department of Radiation Oncology, University of Utah- Huntsman Cancer Institute, Salt Lake City, UT, USA
| | - Matthew M Poppe
- Department of Radiation Oncology, University of Utah- Huntsman Cancer Institute, Salt Lake City, UT, USA
| | - David K Gaffney
- Department of Radiation Oncology, University of Utah- Huntsman Cancer Institute, Salt Lake City, UT, USA
| | - Randa Tao
- Department of Radiation Oncology, University of Utah- Huntsman Cancer Institute, Salt Lake City, UT, USA
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