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Jiang YJ, Xia Y, Hu YX, Han ZJ, Guo AY, Huang T. Identification of P21 (CDKN1A) Activated Kinase 4 as a Susceptibility Gene for Familial Non-Medullary Thyroid Carcinoma. Thyroid 2024. [PMID: 38411500 DOI: 10.1089/thy.2023.0564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
Background: Familial non-medullary thyroid carcinoma (FNMTC) is a genetically predisposed disease with unclear genetic mechanisms. This makes research on susceptibility genes important for the diagnosis and treatment options. Methods: This study included a five-member family affected by papillary thyroid carcinoma. The candidate genes were identified through whole-exome sequencing and Sanger sequencing in family members, other FNMTC patients, and sporadic non-medullary thyroid carcinoma patients. The pathogenicity of the mutation was predicted using in silico tools. Cell phenotype experiments in vitro and models of lung distant metastasis in vivo were conducted to confirm the characteristics of the mutation. Transcriptome sequencing and mechanistic validation were employed to compare the disparities between PAK4 wild-type (WT) and PAK4 mutant (MUT) cell lines. Results: This mutation alters the protein structure, potentially increasing instability by affecting hydrophobicity, intra-molecular hydrogen bonding, and phosphorylation sites. It specifically promotes phosphorylated PAK4 nuclear translocation and expression in thyroid tissue and cell lines. Compared with the WT cells line, PAK4 I417T demonstrates enhanced proliferation, invasiveness, accelerated cell division, and inhibition of cell apoptosis in vitro. In addition, it exhibits a significant propensity for metastasis in vivo. It activates tumor necrosis factor signaling through increased phosphorylation of PAK4, JNK, NFκB, and c-Jun, unlike the WT that activates it via the PAK4-NFκ-MMP9 axis. In addition, PAK4 MUT protein interacts with matrix metalloproteinase (MMP)3 and regulates MMP3 promoter activity, which is not observed in the WT. Conclusions: Our study identified PAK4: c.T1250C: p.I417T as a potential susceptibility gene for FNMTC. The study concludes that the mutant form of PAK4 exhibits oncogenic function, suggesting its potential as a novel diagnostic molecular marker for FNMTC.
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Affiliation(s)
- Yu-Jia Jiang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College; College of Life Science and Technology; Huazhong University of Science and Technology, Wuhan, China
| | - Yun Xia
- Hubei Bioinformatics and Molecular Imaging Key Laboratory, College of Life Science and Technology; Huazhong University of Science and Technology, Wuhan, China
- Department of Thyroid Surgery, West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yi-Xuan Hu
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College; College of Life Science and Technology; Huazhong University of Science and Technology, Wuhan, China
| | - Zhuo-Jun Han
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College; College of Life Science and Technology; Huazhong University of Science and Technology, Wuhan, China
| | - An-Yuan Guo
- Department of Thyroid Surgery, West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, China
| | - Tao Huang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College; College of Life Science and Technology; Huazhong University of Science and Technology, Wuhan, China
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Gui Y, Huang D, Hou Y, Wei X, Zhang J, Wang J. Predictive Factors for Recurrence of Papillary Thyroid Carcinoma in Children and Adolescents. Front Oncol 2022; 12:833775. [PMID: 35280803 PMCID: PMC8909140 DOI: 10.3389/fonc.2022.833775] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Accepted: 01/11/2022] [Indexed: 12/22/2022] Open
Abstract
Background The incidence of papillary thyroid carcinoma (PTC) in children and adolescents has increased, but the data on long-term outcomes are limited. There are few literatures on the clinicopathological characteristics and prognosis of PTC in children and adolescents in China. Therefore, it is necessary to identify clinicopathological features to precisely predict clinical prognosis and to help choose the optimal method and perform the best therapeutic regimen. Methods This study was a retrospective analysis of patients undergoing thyroidectomy at Tianjin Medical University Cancer Institute and Hospital. We analyzed the factors related to the clinicopathological features and prognosis of PTC in children and adolescents. Results A total of 95 juvenile PTC patients who underwent thyroidectomy were enrolled. Our research found that patients with younger age (<14 years) were predominantly multifocal and have positive preoperative thyroglobulin (Tg) and higher recurrence rate, and their number of lymph node metastases (LNMs) was more than that of the older group (14–18 years). Maximal tumor size >2 cm, T stage, and multifocality were the risk factors for LNM and the number of LNM (p < 0.05). Multivariate analysis displayed the number of central LNM as the independent risk factor for lateral LNM, and multifocality was the independent risk factor for the number of central and lateral LNM. Younger age at diagnosis, positive preoperative thyroid-stimulating hormone (TSH), maximal tumor size >2 cm, lateral LNM, number of LNM, N staging, and American Thyroid Association (ATA) pediatric risk were related to poor prognosis in PTC patients (p < 0.05). Cox regression analysis found that younger age at diagnosis and positive preoperative TSH were independent risk factors for recurrence of PTC in children and adolescents. Conclusions Our study showed that the clinicopathological characteristics of younger age compared with older age were as follows: highly aggressive, prone to metastases, and higher recurrence rate. In our opinion, patients with characteristics such as younger age at diagnosis, positive preoperative TSH, maximal tumor size >2 cm, lateral LNM, and number of LNM >5 may be considered for prophylactic or therapeutic dissection of additional metastatic LNs by high-volume surgeons to prevent and reduce the recurrence rate of patients during long-term follow-up.
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Affiliation(s)
- Yan Gui
- The First Hospital of Lanzhou University, Department of Otorhinolaryngology Head and Neck Surgery, Lanzhou City, China.,The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
| | - Dongmei Huang
- Department of Thyroid and Neck Tumor, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Yun Hou
- The First Hospital of Lanzhou University, Department of Otorhinolaryngology Head and Neck Surgery, Lanzhou City, China
| | - Xudong Wei
- Department of Ear Nose Throat (E.N.T.), Gansu Provincial Hospital, Lanzhou, China.,The First School of Clinical Medicine, Lanzhou University, Lanzhou, China.,The First School of Clinical Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Jinming Zhang
- Department of Thyroid and Neck Tumor, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Junyi Wang
- Department of Thyroid and Neck Tumor, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
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3
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Kamani T, Charkhchi P, Zahedi A, Akbari MR. Genetic susceptibility to hereditary non-medullary thyroid cancer. Hered Cancer Clin Pract 2022; 20:9. [PMID: 35255942 PMCID: PMC8900298 DOI: 10.1186/s13053-022-00215-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 02/21/2022] [Indexed: 11/10/2022] Open
Abstract
Non-medullary thyroid cancer (NMTC) is the most common type of thyroid cancer. With the increasing incidence of NMTC in recent years, the familial form of the disease has also become more common than previously reported, accounting for 5-15% of NMTC cases. Familial NMTC is further classified as non-syndromic and the less common syndromic FNMTC. Although syndromic NMTC has well-known genetic risk factors, the gene(s) responsible for the vast majority of non-syndromic FNMTC cases are yet to be identified. To date, several candidate genes have been identified as susceptibility genes in hereditary NMTC. This review summarizes genetic predisposition to non-medullary thyroid cancer and expands on the role of genetic variants in thyroid cancer tumorigenesis and the level of penetrance of NMTC-susceptibility genes.
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Affiliation(s)
- Tina Kamani
- Women's College Research Institute, University of Toronto, 76 Grenville St. Room 6421, Toronto, ON, M5S 1B2, Canada
| | - Parsa Charkhchi
- Women's College Research Institute, University of Toronto, 76 Grenville St. Room 6421, Toronto, ON, M5S 1B2, Canada
| | - Afshan Zahedi
- Women's College Research Institute, University of Toronto, 76 Grenville St. Room 6421, Toronto, ON, M5S 1B2, Canada
| | - Mohammad R Akbari
- Women's College Research Institute, University of Toronto, 76 Grenville St. Room 6421, Toronto, ON, M5S 1B2, Canada. .,Institute of Medical Science, Faculty of Medicine, University of Toronto, Toronto, ON, M5S 1A8, Canada. .,Dalla Lana School of Public Health, University of Toronto, Toronto, ON, M5T 3M7, Canada.
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4
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Abstract
This review of the familial tumor syndromes involving the endocrine organs is focused on discussing the main updates on the upcoming fifth edition of the WHO Classification of Endocrine and Neuroendocrine Tumors. This review emphasizes updates on histopathological and molecular genetics aspects of the most important syndromes involving the endocrine organs. We describe the newly defined Familial Cancer Syndromes as MAFA-related, MEN4, and MEN5 as well as the newly reported pathological findings in DICER1 syndrome. We also describe the updates done at the new WHO on the syndromic and non-syndromic familial thyroid diseases. We emphasize the problem of diagnostic criteria, mention the new genes that are possibly involved in this group, and at the same time, touching upon the role of some immunohistochemical studies that could support the diagnosis of some of these conditions. As pathologists play an important role in identifying tumors within a familial cancer syndrome, we highlight the most important clues for raising the suspicious of a syndrome. Finally, we highlight the challenges in defining these entities as well as determining their clinical outcome in comparison with sporadic tumors. Instead of the usual subject review, we present the highlights of the updates on familial cancer syndromes by answering select questions relevant to practicing pathologists.
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Affiliation(s)
- Vania Nosé
- Department of Pathology, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114, USA.
| | | | - José Manuel Cameselle Teijeiro
- Clinical University Hospital Santiago de Compostela and Medical Faculty, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Aurel Perren
- Institute of Pathology, University of Bern, Bern, Switzerland
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de Mello LEB, Carneiro TNR, Araujo AN, Alves CX, Galante PAF, Buzatto VC, das Graças de Almeida M, Vermeulen-Serpa KM, de Lima Vale SH, José de Pinto Paiva F, Brandão-Neto J, Cerutti JM. Identification of NID1 as a novel candidate susceptibility gene for familial non-medullary thyroid carcinoma using whole-exome sequencing. Endocr Connect 2022; 11:EC-21-0406.R2. [PMID: 34941562 PMCID: PMC8859953 DOI: 10.1530/ec-21-0406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 12/22/2021] [Indexed: 11/15/2022]
Abstract
The genetics underlying non-syndromic familial non-medullary thyroid carcinoma (FNMTC) is still poorly understood. To identify susceptibility genes for FNMTC, we performed whole-exome sequencing (WES) in a Brazilian family affected by papillary thyroid carcinoma (PTC) in three consecutive generations. WES was performed in four affected and two unaffected family members. Manual inspection in over 100 previously reported susceptibility genes for FNMTC showed that no variants in known genes co-segregated with disease phenotype in this family. Novel candidate genes were investigated using PhenoDB and filtered using Genome Aggregation (gnomAD) and Online Archive of Brazilian Mutations (ABraOM) population databases. The missense variant p.Ile657Met in the NID1 gene was the only variant that co-segregated with the disease, while absent in unaffected family members and controls. The allele frequency for this variant was <0.0001 in the gnomAD and ABbraOM databases. In silico analysis predicted the variant to be deleterious or likely damaging to the protein function. Somatic mutations in NID1 gene were found in nearly 500 cases of different cancer subtypes in the intOGen platform. Immunohistochemistry analysis showed NID1 expression in PTC cells, while it was absent in normal thyroid tissue. Our findings were corroborated using data from the TCGA cohort. Moreover, higher expression of NID1 was associated with higher likelihood of relapse after treatment and N1b disease in PTCs from the TCGA cohort. Although replication studies are needed to better understand the role of this variant in the FNMTC susceptibility, the NID1 variant (c.1971T>G) identified in this study fulfills several criteria that suggest it as a new FNMTC predisposing gene.
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Affiliation(s)
- Luis Eduardo Barbalho de Mello
- Genetic Bases of Thyroid Tumors Laboratory, Division of Genetics, Department of Morphology and Genetics, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
- Postgraduate Program in Health Sciences, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Thaise Nayane Ribeiro Carneiro
- Genetic Bases of Thyroid Tumors Laboratory, Division of Genetics, Department of Morphology and Genetics, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Aline Neves Araujo
- Genetic Bases of Thyroid Tumors Laboratory, Division of Genetics, Department of Morphology and Genetics, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Camila Xavier Alves
- Postgraduate Program in Health Sciences, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | | | | | - Maria das Graças de Almeida
- Postgraduate Program in Health Sciences, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
- Department of Clinical and Toxicological Analyses, Natal, Rio Grande do Norte, Brazil
| | - Karina Marques Vermeulen-Serpa
- Postgraduate Program in Health Sciences, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Sancha Helena de Lima Vale
- Department of Clinical and Toxicological Analyses, Natal, Rio Grande do Norte, Brazil
- Department of Nutrition, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Fernando José de Pinto Paiva
- Postgraduate Program in Health Sciences, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - José Brandão-Neto
- Postgraduate Program in Health Sciences, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Janete Maria Cerutti
- Genetic Bases of Thyroid Tumors Laboratory, Division of Genetics, Department of Morphology and Genetics, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
- Correspondence should be addressed to J M Cerutti:
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Sánchez-Ares M, Cameselle-García S, Abdulkader-Nallib I, Rodríguez-Carnero G, Beiras-Sarasquete C, Puñal-Rodríguez JA, Cameselle-Teijeiro JM. Susceptibility Genes and Chromosomal Regions Associated With Non-Syndromic Familial Non-Medullary Thyroid Carcinoma: Some Pathogenetic and Diagnostic Keys. Front Endocrinol (Lausanne) 2022; 13:829103. [PMID: 35295987 PMCID: PMC8918666 DOI: 10.3389/fendo.2022.829103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 02/07/2022] [Indexed: 12/05/2022] Open
Abstract
Thyroid cancer is the malignant tumor that is increasing most rapidly in the world, mainly at the expense of sporadic papillary thyroid carcinoma. The somatic alterations involved in the pathogenesis of sporadic follicular cell derived tumors are well recognized, while the predisposing alterations implicated in hereditary follicular tumors are less well known. Since the genetic background of syndromic familial non-medullary carcinoma has been well established, here we review the pathogenesis of non-syndromic familial non-medullary carcinoma emphasizing those aspects that may be useful in clinical and pathological diagnosis. Non-syndromic familial non-medullary carcinoma has a complex and heterogeneous genetic basis involving several genes and loci with a monogenic or polygenic inheritance model. Most cases are papillary thyroid carcinoma (classic and follicular variant), usually accompanied by benign thyroid nodules (follicular thyroid adenoma and/or multinodular goiter). The possible diagnostic and prognostic usefulness of the changes in the expression and/or translocation of various proteins secondary to several mutations reported in this setting requires further confirmation. Given that non-syndromic familial non-medullary carcinoma and sporadic non-medullary thyroid carcinoma share the same morphology and somatic mutations, the same targeted therapies could be used at present, if necessary, until more specific targeted treatments become available.
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Affiliation(s)
- María Sánchez-Ares
- Department of Pathology, Clinical University Hospital of Santiago de Compostela, Health Research Institute of Santiago de Compostela, Galician Healthcare Service (SERGAS), Santiago de Compostela, Spain
| | - Soledad Cameselle-García
- Department of Medical Oncology, University Hospital Complex of Ourense, Galician Healthcare Service (SERGAS), Ourense, Spain
| | - Ihab Abdulkader-Nallib
- Department of Pathology, Clinical University Hospital of Santiago de Compostela, Health Research Institute of Santiago de Compostela, Galician Healthcare Service (SERGAS), Santiago de Compostela, Spain
- School of Medicine, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Gemma Rodríguez-Carnero
- Department of Endocrinology and Nutrition, Clinical University Hospital of Santiago de Compostela, Galician Healthcare Service (SERGAS), Santiago de Compostela, Spain
| | - Carolina Beiras-Sarasquete
- Department of Surgery, Clinical University Hospital of Santiago de Compostela, Galician Healthcare Service (SERGAS), Santiago de Compostela, Spain
| | - José Antonio Puñal-Rodríguez
- School of Medicine, University of Santiago de Compostela, Santiago de Compostela, Spain
- Department of Surgery, Clinical University Hospital of Santiago de Compostela, Galician Healthcare Service (SERGAS), Santiago de Compostela, Spain
| | - José Manuel Cameselle-Teijeiro
- Department of Pathology, Clinical University Hospital of Santiago de Compostela, Health Research Institute of Santiago de Compostela, Galician Healthcare Service (SERGAS), Santiago de Compostela, Spain
- School of Medicine, University of Santiago de Compostela, Santiago de Compostela, Spain
- *Correspondence: José Manuel Cameselle-Teijeiro,
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7
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Wallis SS, Ventimiglia LN, Otigbah E, Infante E, Cuesta-Geijo MA, Kidiyoor GR, Carbajal MA, Fleck RA, Foiani M, Garcia-Manyes S, Martin-Serrano J, Agromayor M. The ESCRT machinery counteracts Nesprin-2G-mediated mechanical forces during nuclear envelope repair. Dev Cell 2021; 56:3192-3202.e8. [PMID: 34818527 PMCID: PMC8657813 DOI: 10.1016/j.devcel.2021.10.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 08/03/2021] [Accepted: 10/28/2021] [Indexed: 12/31/2022]
Abstract
Transient nuclear envelope ruptures during interphase (NERDI) occur due to cytoskeletal compressive forces at sites of weakened lamina, and delayed NERDI repair results in genomic instability. Nuclear envelope (NE) sealing is completed by endosomal sorting complex required for transport (ESCRT) machinery. A key unanswered question is how local compressive forces are counteracted to allow efficient membrane resealing. Here, we identify the ESCRT-associated protein BROX as a crucial factor required to accelerate repair of the NE. Critically, BROX binds Nesprin-2G, a component of the linker of nucleoskeleton and cytoskeleton complex (LINC). This interaction promotes Nesprin-2G ubiquitination and facilitates the relaxation of mechanical stress imposed by compressive actin fibers at the rupture site. Thus, BROX rebalances excessive cytoskeletal forces in cells experiencing NE instability to promote effective NERDI repair. Our results demonstrate that BROX coordinates mechanoregulation with membrane remodeling to ensure the maintenance of nuclear-cytoplasmic compartmentalization and genomic stability. Cytoskeletal forces exerted on the nucleus can rupture its membrane BROX is recruited to sites of rupture by the ESCRT membrane remodeling machinery BROX ubiquitinates the LINC complex protein Nesprin-2G, targeting it for degradation BROX coordinates local relaxation of mechanical stress with membrane remodeling
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Affiliation(s)
- Samuel S Wallis
- Department of Infectious Diseases, King's College London, Faculty of Life Sciences & Medicine, London SE1 9RT, UK
| | - Leandro N Ventimiglia
- Department of Infectious Diseases, King's College London, Faculty of Life Sciences & Medicine, London SE1 9RT, UK
| | - Evita Otigbah
- Department of Infectious Diseases, King's College London, Faculty of Life Sciences & Medicine, London SE1 9RT, UK
| | - Elvira Infante
- Department of Physics, Randall Centre for Cell and Molecular Biophysics, and London Centre for Nanotechnology, King's College London, London WC2R 2LS, UK
| | - Miguel Angel Cuesta-Geijo
- Department of Infectious Diseases, King's College London, Faculty of Life Sciences & Medicine, London SE1 9RT, UK; Centro Nacional Instituto de Investigación y Tecnología Agraria y Alimentaria (CSIC), Ctra. de la Coruña Km 7.5, 28040 Madrid, Spain
| | - Gururaj Rao Kidiyoor
- Fondazione Istituto FIRC di Oncologia Molecolare (IFOM), Via Adamello 16, 20139 Milan, Italy; Università degli Studi di Milano, 20122 Milan, Italy
| | | | - Roland A Fleck
- Centre for Ultrastructural Imaging, King's College London, London SE1 1UL, UK
| | - Marco Foiani
- Fondazione Istituto FIRC di Oncologia Molecolare (IFOM), Via Adamello 16, 20139 Milan, Italy; Università degli Studi di Milano, 20122 Milan, Italy
| | - Sergi Garcia-Manyes
- Department of Physics, Randall Centre for Cell and Molecular Biophysics, and London Centre for Nanotechnology, King's College London, London WC2R 2LS, UK; the Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Juan Martin-Serrano
- Department of Infectious Diseases, King's College London, Faculty of Life Sciences & Medicine, London SE1 9RT, UK.
| | - Monica Agromayor
- Department of Infectious Diseases, King's College London, Faculty of Life Sciences & Medicine, London SE1 9RT, UK.
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Abstract
Cancer derived from thyroid follicular epithelial cells is common; it represents the most common endocrine malignancy. The molecular features of sporadic tumors have been clarified in the past decade. However the incidence of familial disease has not been emphasized and is often overlooked in routine practice. A careful clinical documentation of family history or familial syndromes that can be associated with thyroid disease can help identify germline susceptibility-driven thyroid neoplasia. In this review, we summarize a large body of information about both syndromic and non-syndromic familial thyroid carcinomas. A significant number of patients with inherited non-medullary thyroid carcinomas manifest disease that appears to be sporadic disease even in some syndromic cases. The cytomorphology of the tumor(s), molecular immunohistochemistry, the findings in the non-tumorous thyroid parenchyma and other associated lesions may provide insight into the underlying syndromic disorder. However, the increasing evidence of familial predisposition to non-syndromic thyroid cancers is raising questions about the importance of genetics and epigenetics. What appears to be "sporadic" is becoming less often truly so and more often an opportunity to identify and understand novel genetic variants that underlie tumorigenesis. Pathologists must be aware of the unusual morphologic features that should prompt germline screening. Therefore, recognition of harbingers of specific germline susceptibility syndromes can assist in providing information to facilitate early detection to prevent aggressive disease.
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Affiliation(s)
- José Manuel Cameselle-Teijeiro
- Department of Pathology, Galician Healthcare Service (SERGAS), Clinical University Hospital, Travesía Choupana s/n, 15706, Santiago de Compostela, Spain.
- Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain.
- Medical Faculty, University of Santiago de Compostela, Santiago de Compostela, Spain.
| | - Ozgur Mete
- Department of Pathology and Endocrine Oncology Site, University Health Network, Toronto, ON, Canada
- Department of Laboratory Medicine and Pathobiology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Sylvia L Asa
- Department of Pathology, University Hospitals Cleveland Medical Center, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Virginia LiVolsi
- Department of Pathology and Laboratory Medicine, Perelmann School of Medicine of the University of Pennsylvania, Philadelphia, PA, USA
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