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Kotwal A, Simpson R, Whiteman N, Swanson B, Yuil-Valdes A, Fitch M, Nguyen J, Elhag S, Shats O, Goldner W, Bennett R. Relaxin-2 is a novel biomarker for differentiated thyroid carcinoma in humans. Biochem Pharmacol 2024; 225:116323. [PMID: 38815632 DOI: 10.1016/j.bcp.2024.116323] [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: 01/26/2024] [Revised: 05/24/2024] [Accepted: 05/27/2024] [Indexed: 06/01/2024]
Abstract
Relaxin's role in differentiated thyroid cancer (DTC) has been suggested but its characterization in a large clinical sample remains limited. We performed immunohistochemistry for relaxin-2 (RLN2), CD68 (total macrophages), CD163 (M2 macrophages) on tissue microarrays from 181 subjects with non-distant metastatic DTC, and 185 subjects with benign thyroid tissue. Mean pixels/area for each marker was compared between tumor and adjacent tissue via paired-t test and between DTC and benign subjects via t-test assuming unequal variances. RNA qPCR was performed for expression of RLN2, RLN1, and RXFP1 in cell lines. Amongst 181 cases, the mean age was 46 years, 75 % were females. Tumoral tissue amongst the DTC cases demonstrated higher mean expression of RLN2 (53.04 vs. 9.79; p < 0.0001) compared to tumor-adjacent tissue. DTC tissue also demonstrated higher mean expression of CD68 (14.46 vs. 4.79; p < 0.0001), and CD163 (23.13 vs. -0.73; p < 0.0001) than benign thyroid. These markers did not differ between tumor-adjacent and benign thyroid tissue groups; and amongst cases, did not differ by demographic or clinicopathologic features. RLN1 and RXFP1 expression was detected in a minority of the cell lines, while RLN2 was expressed by 6/7 cell lines. In conclusion, widespread RLN2 expression in DTC tissue and most cell lines demonstrates that RLN2 acts in a paracrine manner, and that RLN1 and RXFP1 are probably not involved in thyroid cancer cell signaling. RLN2 is a biomarker for thyroid carcinogenesis, being associated with but not secreted by immunosuppressive macrophages. These findings will guide further investigations for therapeutic avenues against thyroid cancer.
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MESH Headings
- Humans
- Relaxin/metabolism
- Relaxin/genetics
- Thyroid Neoplasms/pathology
- Thyroid Neoplasms/metabolism
- Thyroid Neoplasms/genetics
- Thyroid Neoplasms/diagnosis
- Female
- Middle Aged
- Male
- Biomarkers, Tumor/metabolism
- Biomarkers, Tumor/genetics
- Adult
- Receptors, G-Protein-Coupled/metabolism
- Receptors, G-Protein-Coupled/genetics
- Cell Line, Tumor
- Antigens, CD/genetics
- Antigens, CD/metabolism
- Aged
- Receptors, Peptide/metabolism
- Receptors, Peptide/genetics
- Antigens, Differentiation, Myelomonocytic/metabolism
- Antigens, Differentiation, Myelomonocytic/genetics
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Affiliation(s)
- Anupam Kotwal
- Department of Internal Medicine, Division of Diabetes, Endocrinology, and Metabolism, University of Nebraska Medical Center, Omaha, NE, USA; VA Nebraska-Western Iowa Health Care System, Omaha, NE, USA; Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Ronda Simpson
- VA Nebraska-Western Iowa Health Care System, Omaha, NE, USA
| | - Nicholas Whiteman
- Department of Internal Medicine, Division of Diabetes, Endocrinology, and Metabolism, University of Nebraska Medical Center, Omaha, NE, USA
| | - Benjamin Swanson
- Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA; Department of Pathology, Microbiology, and Immunology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Ana Yuil-Valdes
- Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA; Department of Pathology, Microbiology, and Immunology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Madelyn Fitch
- Department of Internal Medicine, Division of Diabetes, Endocrinology, and Metabolism, University of Nebraska Medical Center, Omaha, NE, USA
| | - Joshua Nguyen
- Department of Internal Medicine, Division of Diabetes, Endocrinology, and Metabolism, University of Nebraska Medical Center, Omaha, NE, USA
| | - Salma Elhag
- Department of Pathology, Microbiology, and Immunology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Oleg Shats
- Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Whitney Goldner
- Department of Internal Medicine, Division of Diabetes, Endocrinology, and Metabolism, University of Nebraska Medical Center, Omaha, NE, USA; Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Robert Bennett
- Department of Internal Medicine, Division of Diabetes, Endocrinology, and Metabolism, University of Nebraska Medical Center, Omaha, NE, USA; VA Nebraska-Western Iowa Health Care System, Omaha, NE, USA; Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA.
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Vielh P, Balogh Z, Suciu V, Richon C, Job B, Meurice G, Valent A, Lacroix L, Marty V, Motte N, Dessen P, Caillou B, Ghuzlan AA, Bidart JM, Lazar V, Hofman P, Scoazec JY, El-Naggar AK, Schlumberger M. DNA FISH Diagnostic Assay on Cytological Samples of Thyroid Follicular Neoplasms. Cancers (Basel) 2020; 12:cancers12092529. [PMID: 32899953 PMCID: PMC7564487 DOI: 10.3390/cancers12092529] [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: 07/20/2020] [Revised: 08/30/2020] [Accepted: 09/02/2020] [Indexed: 12/31/2022] Open
Abstract
Simple Summary Cytopathology cannot distinguish benign from malignant follicular lesions in 20–30% of cases. These indeterminate cases includes the so-called follicular neoplasms (FNs) according to The Bethesda System for Reporting Thyroid Cytopathology. Frozen samples from 66 classic follicular adenomas (cFAs) and carcinomas (cFTCs) studied by array-comparative genomic hybridization identified three specific alterations of cFTCs (losses of 1p36.33-35.1 and 22q13.2-13.31, and gain of whole chromosome X) confirmed by fluorescent in situ hybridization (FISH) in a second independent series of 60 touch preparations from frozen samples of cFAs and cFTCs. In a third independent set of 27 cases of already stained pre-operative fine-needle aspiration cytology samples diagnosed as FNs and histologically verified, FISH analysis using these three markers identified half of cFTCs. Specificity of our assay for identifying cFTCs is higher than 98% which might be comparable with BRAF600E testing in cases of suspicion of classic papillary thyroid carcinomas. Abstract Although fine-needle aspiration cytology (FNAC) is helpful in determining whether thyroid nodules are benign or malignant, this distinction remains a cytological challenge in follicular neoplasms. Identification of genomic alterations in cytological specimens with direct and routine techniques would therefore have great clinical value. A series of 153 cases consisting of 72 and 81 histopathologically confirmed classic follicular adenomas (cFAs) and classic follicular thyroid carcinomas (cFTCs), respectively, was studied by means of different molecular techniques in three different cohorts of patients (pts). In the first cohort (training set) of 66 pts, three specific alterations characterized by array comparative genomic hybridization (aCGH) were exclusively found in half of cFTCs. These structural abnormalities corresponded to losses of 1p36.33-35.1 and 22q13.2-13.31, and gain of whole chromosome X. The second independent cohort (validation set) of 60 pts confirmed these data on touch preparations of frozen follicular neoplasms by triple DNA fluorescent in situ hybridization using selected commercially available probes. The third cohort, consisting of 27 archived cytological samples from an equal number of pts that had been obtained for preoperative FNAC and morphologically classified as and histologically verified to be follicular neoplasms, confirmed our previous findings and showed the feasibility of the DNA FISH (DNA fluorescent in situ hybridization) assay. All together, these data suggest that our triple DNA FISH diagnostic assay may detect 50% of cFTCs with a specificity higher than 98% and be useful as a low-cost adjunct to cytomorphology to help further classify follicular neoplasms on already routinely stained cytological specimens.
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Affiliation(s)
- Philippe Vielh
- Department of Medical Biology and Pathology, Gustave Roussy, Université Paris-Saclay and Experimental and Translational Pathology Platform, CNRS UMS3655-INSERM US23 AMMICA, 94805 Villejuif, France; (Z.B.); (V.S.); (C.R.); (B.J.); (G.M.); (A.V.); (L.L.); (V.M.); (N.M.); (P.D.); (B.C.); (A.A.G.); (J.-M.B.); (V.L.); (J.-Y.S.)
- Correspondence: or
| | - Zsofia Balogh
- Department of Medical Biology and Pathology, Gustave Roussy, Université Paris-Saclay and Experimental and Translational Pathology Platform, CNRS UMS3655-INSERM US23 AMMICA, 94805 Villejuif, France; (Z.B.); (V.S.); (C.R.); (B.J.); (G.M.); (A.V.); (L.L.); (V.M.); (N.M.); (P.D.); (B.C.); (A.A.G.); (J.-M.B.); (V.L.); (J.-Y.S.)
| | - Voichita Suciu
- Department of Medical Biology and Pathology, Gustave Roussy, Université Paris-Saclay and Experimental and Translational Pathology Platform, CNRS UMS3655-INSERM US23 AMMICA, 94805 Villejuif, France; (Z.B.); (V.S.); (C.R.); (B.J.); (G.M.); (A.V.); (L.L.); (V.M.); (N.M.); (P.D.); (B.C.); (A.A.G.); (J.-M.B.); (V.L.); (J.-Y.S.)
| | - Catherine Richon
- Department of Medical Biology and Pathology, Gustave Roussy, Université Paris-Saclay and Experimental and Translational Pathology Platform, CNRS UMS3655-INSERM US23 AMMICA, 94805 Villejuif, France; (Z.B.); (V.S.); (C.R.); (B.J.); (G.M.); (A.V.); (L.L.); (V.M.); (N.M.); (P.D.); (B.C.); (A.A.G.); (J.-M.B.); (V.L.); (J.-Y.S.)
| | - Bastien Job
- Department of Medical Biology and Pathology, Gustave Roussy, Université Paris-Saclay and Experimental and Translational Pathology Platform, CNRS UMS3655-INSERM US23 AMMICA, 94805 Villejuif, France; (Z.B.); (V.S.); (C.R.); (B.J.); (G.M.); (A.V.); (L.L.); (V.M.); (N.M.); (P.D.); (B.C.); (A.A.G.); (J.-M.B.); (V.L.); (J.-Y.S.)
| | - Guillaume Meurice
- Department of Medical Biology and Pathology, Gustave Roussy, Université Paris-Saclay and Experimental and Translational Pathology Platform, CNRS UMS3655-INSERM US23 AMMICA, 94805 Villejuif, France; (Z.B.); (V.S.); (C.R.); (B.J.); (G.M.); (A.V.); (L.L.); (V.M.); (N.M.); (P.D.); (B.C.); (A.A.G.); (J.-M.B.); (V.L.); (J.-Y.S.)
| | - Alexander Valent
- Department of Medical Biology and Pathology, Gustave Roussy, Université Paris-Saclay and Experimental and Translational Pathology Platform, CNRS UMS3655-INSERM US23 AMMICA, 94805 Villejuif, France; (Z.B.); (V.S.); (C.R.); (B.J.); (G.M.); (A.V.); (L.L.); (V.M.); (N.M.); (P.D.); (B.C.); (A.A.G.); (J.-M.B.); (V.L.); (J.-Y.S.)
| | - Ludovic Lacroix
- Department of Medical Biology and Pathology, Gustave Roussy, Université Paris-Saclay and Experimental and Translational Pathology Platform, CNRS UMS3655-INSERM US23 AMMICA, 94805 Villejuif, France; (Z.B.); (V.S.); (C.R.); (B.J.); (G.M.); (A.V.); (L.L.); (V.M.); (N.M.); (P.D.); (B.C.); (A.A.G.); (J.-M.B.); (V.L.); (J.-Y.S.)
| | - Virginie Marty
- Department of Medical Biology and Pathology, Gustave Roussy, Université Paris-Saclay and Experimental and Translational Pathology Platform, CNRS UMS3655-INSERM US23 AMMICA, 94805 Villejuif, France; (Z.B.); (V.S.); (C.R.); (B.J.); (G.M.); (A.V.); (L.L.); (V.M.); (N.M.); (P.D.); (B.C.); (A.A.G.); (J.-M.B.); (V.L.); (J.-Y.S.)
| | - Nelly Motte
- Department of Medical Biology and Pathology, Gustave Roussy, Université Paris-Saclay and Experimental and Translational Pathology Platform, CNRS UMS3655-INSERM US23 AMMICA, 94805 Villejuif, France; (Z.B.); (V.S.); (C.R.); (B.J.); (G.M.); (A.V.); (L.L.); (V.M.); (N.M.); (P.D.); (B.C.); (A.A.G.); (J.-M.B.); (V.L.); (J.-Y.S.)
| | - Philippe Dessen
- Department of Medical Biology and Pathology, Gustave Roussy, Université Paris-Saclay and Experimental and Translational Pathology Platform, CNRS UMS3655-INSERM US23 AMMICA, 94805 Villejuif, France; (Z.B.); (V.S.); (C.R.); (B.J.); (G.M.); (A.V.); (L.L.); (V.M.); (N.M.); (P.D.); (B.C.); (A.A.G.); (J.-M.B.); (V.L.); (J.-Y.S.)
| | - Bernard Caillou
- Department of Medical Biology and Pathology, Gustave Roussy, Université Paris-Saclay and Experimental and Translational Pathology Platform, CNRS UMS3655-INSERM US23 AMMICA, 94805 Villejuif, France; (Z.B.); (V.S.); (C.R.); (B.J.); (G.M.); (A.V.); (L.L.); (V.M.); (N.M.); (P.D.); (B.C.); (A.A.G.); (J.-M.B.); (V.L.); (J.-Y.S.)
| | - Abir Al Ghuzlan
- Department of Medical Biology and Pathology, Gustave Roussy, Université Paris-Saclay and Experimental and Translational Pathology Platform, CNRS UMS3655-INSERM US23 AMMICA, 94805 Villejuif, France; (Z.B.); (V.S.); (C.R.); (B.J.); (G.M.); (A.V.); (L.L.); (V.M.); (N.M.); (P.D.); (B.C.); (A.A.G.); (J.-M.B.); (V.L.); (J.-Y.S.)
| | - Jean-Michel Bidart
- Department of Medical Biology and Pathology, Gustave Roussy, Université Paris-Saclay and Experimental and Translational Pathology Platform, CNRS UMS3655-INSERM US23 AMMICA, 94805 Villejuif, France; (Z.B.); (V.S.); (C.R.); (B.J.); (G.M.); (A.V.); (L.L.); (V.M.); (N.M.); (P.D.); (B.C.); (A.A.G.); (J.-M.B.); (V.L.); (J.-Y.S.)
| | - Vladimir Lazar
- Department of Medical Biology and Pathology, Gustave Roussy, Université Paris-Saclay and Experimental and Translational Pathology Platform, CNRS UMS3655-INSERM US23 AMMICA, 94805 Villejuif, France; (Z.B.); (V.S.); (C.R.); (B.J.); (G.M.); (A.V.); (L.L.); (V.M.); (N.M.); (P.D.); (B.C.); (A.A.G.); (J.-M.B.); (V.L.); (J.-Y.S.)
| | - Paul Hofman
- Laboratory of Clinical and Experimental Pathology and Biobank, Pasteur Hospital, 06002 Nice, France;
| | - Jean-Yves Scoazec
- Department of Medical Biology and Pathology, Gustave Roussy, Université Paris-Saclay and Experimental and Translational Pathology Platform, CNRS UMS3655-INSERM US23 AMMICA, 94805 Villejuif, France; (Z.B.); (V.S.); (C.R.); (B.J.); (G.M.); (A.V.); (L.L.); (V.M.); (N.M.); (P.D.); (B.C.); (A.A.G.); (J.-M.B.); (V.L.); (J.-Y.S.)
| | - Adel K. El-Naggar
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Martin Schlumberger
- Department of Endocrinology, Gustave Roussy, Université Paris-Saclay, 94805 Villejuif, France;
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Cristiano MC, Cosco D, Celia C, Tudose A, Mare R, Paolino D, Fresta M. Anticancer activity of all-trans retinoic acid-loaded liposomes on human thyroid carcinoma cells. Colloids Surf B Biointerfaces 2016; 150:408-416. [PMID: 27829536 DOI: 10.1016/j.colsurfb.2016.10.052] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Revised: 10/22/2016] [Accepted: 10/25/2016] [Indexed: 12/12/2022]
Abstract
All-trans retinoic acid (ATRA) is an anti-tumor compound, exerting different anti-cancer effects on different types of cancer cells. Unfortunately, retinoids are also characterized by certain side effects following systemic administration, such as the burning of skin and general malaise. The highly variable degree of bioavailability of ATRA plus its tendency to induce its own destruction through metabolic degradation following oral treatment necessitate the development of alternative formulations. The aim of this work is to evaluate the physico-chemical properties of unilamellar, ATRA-containing liposomes and to investigate the cytotoxic activity of this potential nanomedicine on human thyroid carcinoma cells. Liposomes made up of DPPC/Chol/DSPE-mPEG2000 (6:3:1 molar ratio), characterized by a mean diameter of ∼200nm, a polydispersity index of 0.1 and a negative surface charge, were used as ATRA-carriers and their antiproliferative efficacy was investigated in comparison with the free drug on three different human thyroid carcinoma cell lines (PTC-1, B-CPAP, and FRO) through MTT-testing. The liposomes protected the ATRA against photodegradation and increased its antiproliferative properties due to the improvement of its cellular uptake. ATRA-loaded liposomes could be a novel formulation useful for the treatment of anaplastic thyroid carcinoma.
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Affiliation(s)
- Maria Chiara Cristiano
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Campus Universitario "S. Venuta", Viale S. Venuta, Germaneto, I-88100 Catanzaro, Italy
| | - Donato Cosco
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Campus Universitario "S. Venuta", Viale S. Venuta, Germaneto, I-88100 Catanzaro, Italy; IRC-FSH-Interregional Research Center for Food Safety & Health, University of Catanzaro "Magna Græcia", Building of BioSciences, V.le Europa, I-88100 Germaneto Catanzaro (CZ), Italy
| | - Christian Celia
- Department of Pharmacy, University "G. D'Annunzio" of Chieti-Pescara, Chieti 66013, Italy; Department of Nanomedicine, Houston Methodist Research Institute, Houston, TX 77030, USA
| | - Andra Tudose
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Campus Universitario "S. Venuta", Viale S. Venuta, Germaneto, I-88100 Catanzaro, Italy; Department of Applied Mathematics and Biostatistics, University of Medicine and Pharmacy "Carol Davila" Bucharest, Faculty of Pharmacy, Traian Vuia, 020956, Bucharest, Romania
| | - Rosario Mare
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Campus Universitario "S. Venuta", Viale S. Venuta, Germaneto, I-88100 Catanzaro, Italy
| | - Donatella Paolino
- IRC-FSH-Interregional Research Center for Food Safety & Health, University of Catanzaro "Magna Græcia", Building of BioSciences, V.le Europa, I-88100 Germaneto Catanzaro (CZ), Italy; Department of Experimental and Clinical Medicine, University "Magna Græcia" of Catanzaro, Campus Universitario "S. Venuta", Viale S. Venuta, Germaneto, I-88100 Catanzaro, Italy
| | - Massimo Fresta
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Campus Universitario "S. Venuta", Viale S. Venuta, Germaneto, I-88100 Catanzaro, Italy; IRC-FSH-Interregional Research Center for Food Safety & Health, University of Catanzaro "Magna Græcia", Building of BioSciences, V.le Europa, I-88100 Germaneto Catanzaro (CZ), Italy.
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Passon N, Bregant E, Sponziello M, Dima M, Rosignolo F, Durante C, Celano M, Russo D, Filetti S, Damante G. Somatic amplifications and deletions in genome of papillary thyroid carcinomas. Endocrine 2015; 50:453-64. [PMID: 25863487 DOI: 10.1007/s12020-015-0592-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2015] [Accepted: 03/30/2015] [Indexed: 10/23/2022]
Abstract
Somatic gene copy number variation contributes to tumor progression. Using comparative genomic hybridization (CGH) array, the presence of genomic imbalances was evaluated in a series of 27 papillary thyroid carcinomas (PTCs). To detect only somatic imbalances, for each sample, the reference DNA was from normal thyroid tissue of the same patient. The presence of the BRAF V600E mutation was also evaluated. Both amplifications and deletions showed an uneven distribution along the entire PTC cohort; amplifications were more frequent than deletions (mean values of 17.5 and 7.2, respectively). Number of aberration events was not even among samples, the majority of them occurring only in a small fraction of PTCs. Most frequent amplifications were detected at regions 2q35, 4q26, and 4q34.1, containing FN1, PDE5A, and GALNTL6 genes, respectively. Most frequent deletions occurred at regions 6q25.2, containing OPMR1 and IPCEF1 genes and 7q14.2, containing AOAH and ELMO1 genes. Amplification of FN1 and PDE5A genomic regions was confirmed by quantitative PCR. Frequency of amplifications and deletions was in relationship with clinical features and BRAF mutation status of tumor. In fact, according to the American Joint Committee on Cancer stage and American Thyroid Association (ATA) risk classification, amplifications are more frequent in higher risk samples, while deletions tend to prevail in the lower risk tumors. Analysis of single aberrations according to the ATA risk grouping shows that amplifications containing PDE5A, GALNTL6, DHRS3, and DOCK9 genes are significantly more frequent in the intermediate/high risk group than in the low risk group. Thus, our data would indicate that analysis of somatic genome aberrations by CGH array can be useful to identify additional prognostic variables.
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Affiliation(s)
- Nadia Passon
- Azienda Ospedaliero-Universitaria S. Maria della Misericordia, Udine, Italy
| | - Elisa Bregant
- Azienda Ospedaliero-Universitaria S. Maria della Misericordia, Udine, Italy
| | - Marialuisa Sponziello
- Dipartimento di Medicina Interna e Specialità Mediche, Università di Roma "Sapienza", Rome, Italy
| | - Maria Dima
- Dipartimento di Medicina Interna e Specialità Mediche, Università di Roma "Sapienza", Rome, Italy
| | - Francesca Rosignolo
- Dipartimento di Medicina Interna e Specialità Mediche, Università di Roma "Sapienza", Rome, Italy
| | - Cosimo Durante
- Dipartimento di Medicina Interna e Specialità Mediche, Università di Roma "Sapienza", Rome, Italy
| | - Marilena Celano
- Dipartimento di Scienze della Salute, Università di Catanzaro, Catanzaro, Italy
| | - Diego Russo
- Dipartimento di Scienze della Salute, Università di Catanzaro, Catanzaro, Italy
| | - Sebastiano Filetti
- Dipartimento di Medicina Interna e Specialità Mediche, Università di Roma "Sapienza", Rome, Italy
| | - Giuseppe Damante
- Azienda Ospedaliero-Universitaria S. Maria della Misericordia, Udine, Italy.
- Dipartimento di Scienze Mediche e Biologiche, Università di Udine, Piazzale Kolbe 4, 33100, Udine, Italy.
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Suzuki K, Mitsutake N, Saenko V, Yamashita S. Radiation signatures in childhood thyroid cancers after the Chernobyl accident: possible roles of radiation in carcinogenesis. Cancer Sci 2015; 106:127-33. [PMID: 25483826 PMCID: PMC4399027 DOI: 10.1111/cas.12583] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2014] [Revised: 11/26/2014] [Accepted: 11/30/2014] [Indexed: 12/11/2022] Open
Abstract
After the Tokyo Electric Power Company Fukushima Daiichi nuclear power plant accident, cancer risk from low-dose radiation exposure has been deeply concerning. The linear no-threshold model is applied for the purpose of radiation protection, but it is a model based on the concept that ionizing radiation induces stochastic oncogenic alterations in the target cells. As the elucidation of the mechanism of radiation-induced carcinogenesis is indispensable to justify the concept, studies aimed at the determination of molecular changes associated with thyroid cancers among children who suffered effects from the Chernobyl nuclear accident will be overviewed. We intend to discuss whether any radiation signatures are associated with radiation-induced childhood thyroid cancers.
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Affiliation(s)
- Keiji Suzuki
- Department of Radiation Medical Sciences, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan
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Jing J, Zhao Y, Wang C, Zhao Q, Liang Q, Wang S, Ma J. Effect of small nuclear ribonucleoprotein-associated polypeptide N on the proliferation of medulloblastoma cells. Mol Med Rep 2015; 11:3337-43. [PMID: 25571951 PMCID: PMC4368083 DOI: 10.3892/mmr.2015.3148] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2013] [Accepted: 10/02/2014] [Indexed: 01/04/2023] Open
Abstract
Spliceosome mutations have been reported in various types of cancer and a number of antitumor drugs have been observed to tightly bind to spliceosome components. Small nuclear ribonucleoprotein-associated polypeptide N (SNRPN) is a small ribonuclear protein and is a key spliceosome constituent. However, the role of SNRPN in human medulloblastoma remains unknown. In the present study, the effect of SNRPN on cell growth was investigated in vitro using the Daoy human medulloblastoma cell line. Lentivirus (Lv)-mediated short hairpin (sh) RNA was used to silence SNRPN expression, which was verified by reverse transcription-quantitative polymerase chain reaction and western blotting. Cell proliferation was examined by MTT and colony formation assays. Knockdown of SNRPN markedly reduced the proliferation and colony formation ability of Daoy medulloblastoma cells. In addition, flow cytometric analysis revealed that the cell cycle distribution was altered when the Daoy cells were infected with Lv-shSNRPN. To the best of our knowledge, this is the first study to investigate the effect of SNRPN on cell proliferation in medulloblastoma. The results indicate that SNRPN may be a potential novel target for the development of pharmacological therapeutics in human medulloblastoma.
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Affiliation(s)
- Junjie Jing
- Department of Neurosurgery, Fuzhou General Hospital of Nanjing Military Region, Fuzhou, Fujian 350025, P.R. China
| | - Yang Zhao
- Department of Pediatric Neurosurgery, The Affiliated Xinhua Hospital of the Medical College, Shanghai Jiaotong University, Shanghai 200092, P.R. China
| | - Chengfeng Wang
- Department of Pediatrics, Fuzhou General Hospital of Nanjing Military Region, Fuzhou, Fujian 350025, P.R. China
| | - Qingshuang Zhao
- Department of Neurosurgery, Fuzhou General Hospital of Nanjing Military Region, Fuzhou, Fujian 350025, P.R. China
| | - Qinchuan Liang
- Department of Pediatric Neurosurgery, The Affiliated Xinhua Hospital of the Medical College, Shanghai Jiaotong University, Shanghai 200092, P.R. China
| | - Shousen Wang
- Department of Neurosurgery, Fuzhou General Hospital of Nanjing Military Region, Fuzhou, Fujian 350025, P.R. China
| | - Jie Ma
- Department of Pediatric Neurosurgery, The Affiliated Xinhua Hospital of the Medical College, Shanghai Jiaotong University, Shanghai 200092, P.R. China
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Onoda N, Nakamura M, Aomatsu N, Noda S, Kashiwagi S, Hirakawa K. Establishment, characterization and comparison of seven authentic anaplastic thyroid cancer cell lines retaining clinical features of the original tumors. World J Surg 2014; 38:688-95. [PMID: 24357248 DOI: 10.1007/s00268-013-2409-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
BACKGROUND Anaplastic thyroid cancer (ATC) is thought to often be transformed from pre-existing differentiated thyroid cancer. It is one of the most aggressive malignancies and has a dismal prognosis due to its resistance to multimodal therapies. Basic exploratory studies using authentic ATC cell lines that retain its clinical features are necessary. We investigated the characteristics of seven ATC cell lines newly established at our institute to confirm their possible utility for basic studies. METHODS Seven distinct cell lines from six patients were established. Their molecular characteristics and sensitivities to cytotoxic anti-cancer drugs were investigated and compared with each other, and with the clinical features of the original tumors. RESULTS All cells showed extensive chromosomal abnormality and Pax8 expression, indicating human thyroid follicular cell origin. Vascular endothelial growth factor was secreted from all cells, suggesting possible candidacy for targeted therapy. Vimentin was expressed, but E-cadherin expression was lost in all cells but OCUT-1C, which showed different features from those of OCUT-1F derived from the same tumor, suggesting a mixture of cancer cell clones with various degrees of differentiation within a single ATC tumor. Cells were likely to show sensitivity for taxanes, indicating the usefulness of taxanes as the first-line chemotherapy. OCUT-2, a cell line with both B-Raf and PI3 KCA mutation, demonstrated the importance of molecular target-oriented therapy. CONCLUSIONS Basic studies using authentic ATC cell lines retaining the clinical features of the original tumor are useful models for investigating the mechanism of anaplastic transformation and exploring novel therapeutic strategies.
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Affiliation(s)
- Naoyoshi Onoda
- Department of Surgical Oncology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan,
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8
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Liu Y, Cope L, Sun W, Wang Y, Prasad N, Sangenario L, Talbot K, Somervell H, Westra W, Bishop J, Califano J, Zeiger M, Umbricht C. DNA copy number variations characterize benign and malignant thyroid tumors. J Clin Endocrinol Metab 2013; 98:E558-66. [PMID: 23345095 PMCID: PMC3590464 DOI: 10.1210/jc.2012-3113] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
CONTEXT Fine-needle aspiration (FNA) is the best diagnostic tool for preoperative evaluation of thyroid nodules but is often inconclusive as a guide for surgical management. OBJECTIVE Our hypothesis was that thyroid tumor subtypes may show characteristic DNA copy number variation (CNV) patterns, which may further improve the preoperative classification. DESIGN Our study cohorts included benign follicular adenomas (FAs), classic papillary thyroid carcinomas (PTCs), and follicular variant PTCs (FVPTCs), the three subtypes most commonly associated with inconclusive preoperative cytopathology. SETTING Tissue and FNA samples were obtained at an academic tertiary referral center. PATIENTS Cases were identified that underwent partial or complete thyroidectomy for malignant or indeterminate thyroid lesions between 2000 and 2008 and had adequate snap-frozen tissue. INTERVENTIONS Pairs of tumor tissue and matching normal thyroid tissue-derived DNA were compared using 550K single-nucleotide polymorphism arrays. MAIN OUTCOME MEASURE Statistically significant differences in CNV patterns between tumor subtypes were identified. RESULTS Segmental amplifications in chromosomes (Ch) 7 and 12 were more common in FAs than in PTCs or FVPTCs. Additionally, a subset of FAs and FVPTCs showed deletions in Ch22. We identified the 5 CNV-associated genes best at discriminating between FAs and PTCs/FVPTCs, which correctly classified 90% of cases. These 5 Ch12 genes were validated by quantitative genomic PCR and gene expression array analyses on the same patient cohort. The 5-gene signature was then successfully validated against an independent test cohort of benign and malignant tumor samples. Finally, we performed a feasibility study on matched FA-derived intraoperative FNA samples and were able to correctly identify FAs harboring the Ch12 amplification signature, whereas FAs without amplification showed a normal Ch12 signature. CONCLUSIONS Thyroid tumor subtypes possess characteristic genomic profiles that may further our understanding of structural genetic changes in thyroid tumor subtypes and may lead to the development of new diagnostic biomarkers in FNA samples.
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Affiliation(s)
- Yan Liu
- Department of Surgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
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9
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Matsuse M, Sasaki K, Nishihara E, Minami S, Hayashida C, Kondo H, Suzuki K, Saenko V, Yoshiura KI, Mitsutake N, Yamashita S. Copy number alteration and uniparental disomy analysis categorizes Japanese papillary thyroid carcinomas into distinct groups. PLoS One 2012; 7:e36063. [PMID: 22558328 PMCID: PMC3340412 DOI: 10.1371/journal.pone.0036063] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2012] [Accepted: 03/30/2012] [Indexed: 02/03/2023] Open
Abstract
The aim of the present study was to investigate chromosomal aberrations in sporadic Japanese papillary thyroid carcinomas (PTCs), concomitant with the analysis of oncogene mutational status. Twenty-five PTCs (11 with BRAF(V600E), 4 with RET/PTC1, and 10 without mutation in HRAS, KRAS, NRAS, BRAF, RET/PTC1, or RET/PTC3) were analyzed using Genome-Wide Human SNP Array 6.0 which allows us to detect copy number alteration (CNA) and uniparental disomy (UPD), also referred to as copy neutral loss of heterozygosity, in a single experiment. The Japanese PTCs showed relatively stable karyotypes. Seven cases (28%) showed CNA(s), and 6 (24%) showed UPD(s). Interestingly, CNA and UPD were rarely overlapped in the same tumor; the only one advanced case showed both CNA and UPD with a highly complex karyotype. Thirteen (52%) showed neither CNA nor UPD. Regarding CNA, deletions tended to be more frequent than amplifications. The most frequent and recurrent region was the deletion in chromosome 22; however, it was found in only 4 cases (16%). The degree of genomic instability did not depend on the oncogene status. However, in oncogene-positive cases (BRAF(V600E) and RET/PTC1), tumors with CNA/UPD were less frequent (5/15, 33%), whereas tumors with CNA/UPD were more frequent in oncogene-negative cases (7/10, 70%), suggesting that chromosomal aberrations may play a role in the development of PTC, especially in oncogene-negative tumors. These data suggest that Japanese PTCs may be classified into three distinct groups: CNA(+), UPD(+), and no chromosomal aberrations. BRAF(V600E) mutational status did not correlate with any parameters of chromosomal defects.
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Affiliation(s)
- Michiko Matsuse
- Department of Radiation Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Nagasaki, Japan
| | - Kensaku Sasaki
- Department of Human Genetics, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Nagasaki, Japan
| | - Eijun Nishihara
- Department of Internal Medicine, Kuma Hospital, Kobe, Hyogo, Japan
| | - Shigeki Minami
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Nagasaki, Japan
| | - Chisa Hayashida
- Department of Human Genetics, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Nagasaki, Japan
| | - Hisayoshi Kondo
- Division of Scientific Data Registry, Atomic Bomb Disease Institute, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Nagasaki, Japan
| | - Keiji Suzuki
- Department of Radiation Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Nagasaki, Japan
| | - Vladimir Saenko
- Department of Health Risk Control, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Nagasaki, Japan
| | - Koh-ichiro Yoshiura
- Department of Human Genetics, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Nagasaki, Japan
| | - Norisato Mitsutake
- Department of Radiation Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Nagasaki, Japan
- Nagasaki University Research Centre for Genomic Instability and Carcinogenesis (NRGIC), Nagasaki, Nagasaki, Japan
| | - Shunichi Yamashita
- Department of Radiation Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Nagasaki, Japan
- Department of Health Risk Control, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Nagasaki, Japan
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10
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Fehér LZ, Pocsay G, Krenács L, Zvara A, Bagdi E, Pocsay R, Lukács G, Győry F, Gazdag A, Tarkó E, Puskás LG. Amplification of thymosin beta 10 and AKAP13 genes in metastatic and aggressive papillary thyroid carcinomas. Pathol Oncol Res 2011; 18:449-58. [PMID: 22161024 DOI: 10.1007/s12253-011-9467-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2010] [Accepted: 09/30/2011] [Indexed: 12/16/2022]
Abstract
Papillary thyroid carcinoma (PTC) is the most common well-differentiated thyroid cancer. Although the great majority of the cases exhibit an indolent clinical course, some of them develop local invasion with distant metastasis, and a few cases transform into undifferentiated/anaplastic thyroid carcinoma with a rapidly lethal course. To identify gene copy number alterations predictive of metastatic potential or aggressive transformation, array-based comparative genomic hybridization (CGH-array) was performed in 43 PTC cases. Formalin-fixed and paraffin-embedded samples from primary tumours of 16 cases without metastasis, 14 cases with only regional lymph node metastasis, and 13 cases with distant metastasis, recurrence or extrathyroid extension were analysed. The CGH-array and confirmatory quantitative real-time PCR results identified the deletion of the EIF4EBP3 and TRAK2 gene loci, while amplification of thymosin beta 10 (TB10) and Tre-2 oncogene regions were observed as general markers for PTC. Although there have been several studies implicating TB10 as a specific marker based on gene expression data, our study is the first to report on genomic amplification. Although no significant difference could be detected between the good and bad prognosis cases in the A-kinase anchor protein 13 (AKAP13) gene region, it was discriminative markers for metastasis. Amplification in the AKAP13 region was demonstrated in 42.9% and 15.4% of the cases with local or with distant metastasis, respectively, while no amplification was detected in non-metastatic cases. AKAP13 and TB10 regions may represent potential new genomic markers for PTC and cancer progression.
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Affiliation(s)
- Liliána Z Fehér
- Laboratory of Functional Genomics, Biological Research Centre, Hungarian Academy of Sciences, P.O. Box 521, Szeged, 6701, Hungary
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11
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Abou-El-Ardat K, Monsieurs P, Anastasov N, Atkinson M, Derradji H, De Meyer T, Bekaert S, Van Criekinge W, Baatout S. Low dose irradiation of thyroid cells reveals a unique transcriptomic and epigenetic signature in RET/PTC-positive cells. Mutat Res 2011; 731:27-40. [PMID: 22027090 DOI: 10.1016/j.mrfmmm.2011.10.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2011] [Revised: 09/20/2011] [Accepted: 10/13/2011] [Indexed: 11/28/2022]
Abstract
The high doses of radiation received in the wake of the Chernobyl incident and the atomic bombing of Hiroshima and Nagasaki have been linked to the increased appearance of thyroid cancer in the children living in the vicinity of the site. However, the data gathered on the effect of low doses of radiation on the thyroid remain limited. We have examined the genome wide transcriptional response of a culture of TPC-1 human cell line of papillary thyroid carcinoma origin with a RET/PTC1 translocation to various doses (0.0625, 0.5, and 4Gy) of X-rays and compared it to response of thyroids with a RET/PTC3 translocation and against wild-type mouse thyroids irradiated with the same doses using Affymetrix microarrays. We have found considerable overlap at a high dose of 4Gy in both RET/PTC-positive systems but no common genes at 62.5mGy. In addition, the response of RET/PTC-positive system at all doses was distinct from the response of wild-type thyroids with both systems signaling down different pathways. Analysis of the response of microRNAs in TPC-1 cells revealed a radiation-responsive signature of microRNAs in addition to dose-responsive microRNAs. Our results point to the fact that a low dose of X-rays seems to have a significant proliferative effect on normal thyroids. This observation should be studied further as opposed to its effect on RET/PTC-positive thyroids which was subtle, anti-proliferative and system-dependent.
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12
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DNA Copy Number Alterations in Radiation-induced Thyroid Cancer. Clin Oncol (R Coll Radiol) 2011; 23:289-96. [DOI: 10.1016/j.clon.2011.01.154] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2010] [Accepted: 01/12/2011] [Indexed: 12/28/2022]
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Zitzelsberger H, Thomas G, Unger K. Chromosomal aberrations in thyroid follicular-cell neoplasia: in the search of novel oncogenes and tumour suppressor genes. Mol Cell Endocrinol 2010; 321:57-66. [PMID: 19961897 DOI: 10.1016/j.mce.2009.11.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2009] [Revised: 11/10/2009] [Accepted: 11/27/2009] [Indexed: 10/20/2022]
Abstract
Thyroid cancer derived from the follicular cell is characterised by specific gene alterations that are closely linked to the various pathological types comprising papillary, follicular and anaplastic thyroid cancer. However, the correlation between molecular biology and pathology is not absolute, since about 30% of cases do not harbour the typical gene alterations. This situation, coupled with the demonstration of genetic heterogeneity in thyroid cancer, is a strong motivation for the search of novel gene alterations. Chromosomal aberrations are a good starting point to initiate this search and therefore the current knowledge on chromosomal alterations in thyroid follicular-cell neoplasia is reviewed in this article. An overview on molecular cytogenetic approaches for this strategy is also provided. The identification of novel genetic markers in thyroid cancer will be further improved by integrative approaches combining data from genomic and expression analyses with clinical data. This approach is powerful to identify genetic markers as well as new therapeutic targets in follicular-cell thyroid cancer.
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Affiliation(s)
- Horst Zitzelsberger
- Department of Radiation Cytogenetics, Helmholtz Zentrum München, German Research Centre for Environmental Health GmbH, Ingolstädter Landstrasse 1, D-85764 Neuherberg, Germany.
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14
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Stein L, Rothschild J, Luce J, Cowell JK, Thomas G, Bogdanova TI, Tronko MD, Hawthorn L. Copy number and gene expression alterations in radiation-induced papillary thyroid carcinoma from chernobyl pediatric patients. Thyroid 2010; 20:475-87. [PMID: 19725780 DOI: 10.1089/thy.2009.0008] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Following exposure to radiation during the Chernobyl fallout tragedy, papillary thyroid carcinoma (PTC) increased significantly in individuals who were children at the time of the accident. We have used two high-throughput, whole genome platforms to analyze radiation-induced PTCs from pediatric patients from the Chernobyl region. METHODS We performed comparative genomic hybridization using Affymetrix 50K Mapping arrays and gene expression profiling on 10 pediatric post-Chernobyl PTCs obtained from patients living in the region. We performed an overlay analysis of these two data sets. RESULTS Many regions of copy number alterations (CNAs) were detected including novel regions that had never been associated with PTCs. Increases in copy numbers were consistently found on chromosomes 1p, 5p, 9q, 12q, 13q, 16p, 21q, and 22q. Deletions were observed less frequently and were mapped to 1q, 6q, 9q, 10q, 13q, 14q, 21q, and 22q. Gene expression analysis revealed that most of the altered genes were also perturbed in sporadic adult PTC; however, 141 gene expression changes were found to be unique to the post-Chernobyl tumors. The genes with the highest increases in expression that were novel to the pediatric post-Chernobyl tumors were TESC, PDZRN4, TRAa/TRDa, GABBR2, and CA12. The genes showing the largest expression decreases included PAPSS2, PDLIM3, BEXI, ANK2, SORBS2, and PPARGCIA. An overlay analysis of the gene expression and CNA profiles was then performed. This analysis identified genes showing both CNAs and concurrent gene expression alterations. Many of these are commonly seen in sporadic PTC such as SERPINA, COL8A, and PDX, while others were unique to the radiation-induced profiles including CAMK2N1, AK1, DHRS3, and PDE9A. CONCLUSIONS This type of analysis allows an assessment of gene expression changes that are associated with a physical mechanism. These genes and chromosomal regions are potential markers for radiation-induced PTC.
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Affiliation(s)
- Leighton Stein
- Roswell Park Cancer Institute , Department of Cancer Genetics, Buffalo, New York, USA
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15
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Pilli T, Prasad KV, Jayarama S, Pacini F, Prabhakar BS. Potential utility and limitations of thyroid cancer cell lines as models for studying thyroid cancer. Thyroid 2009; 19:1333-42. [PMID: 20001716 PMCID: PMC2833173 DOI: 10.1089/thy.2009.0195] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND Tumor-derived cell lines are widely used to study the mechanisms involved in thyroid carcinogenesis but recent studies have reported redundancy among thyroid cancer cell lines and identification of some "thyroid cell lines" that are likely not of thyroid origin. SUMMARY In this review, we have summarized the uses, the limitations, and the existing problems associated with the available follicular cell-derived thyroid cancer cell lines. There are some limitations to the use of cell lines as a model to "mimic" in vivo tumors. Based on the gene expression profiles of thyroid cell lines originating from tumors of different types it has become apparent that some of the cell lines are closely related to each other and to those of undifferentiated carcinomas. Further, many cell lines have lost the expression of thyroid-specific genes and have altered karyotypes, while they exhibit activation of several oncogenes (BRAF, v-raf murine sarcoma viral oncogene homolog B1; RAS, rat sarcoma; and RET/PTC, rearranged in transformation/papillary thyroid carcinoma) and inactivation of tumor suppressor gene (TP53) which is known to be important for thyroid tumorigenesis. CONCLUSIONS A careful selection of thyroid cancer cell lines that reflect the major characteristics of a particular type of thyroid cancer being investigated could be used as a good model system to analyze the signaling pathways that may be important in thyroid carcinogenesis. Further, the review of literature also suggests that some of the limitations can be overcome by using multiple cell lines derived from the same type of tumor.
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Affiliation(s)
- Tania Pilli
- Department of Microbiology and Immunology, College of Medicine, University of Illinois at Chicago, Chicago, Illinois
| | - Kanteti V. Prasad
- Department of Microbiology and Immunology, College of Medicine, University of Illinois at Chicago, Chicago, Illinois
| | - Shankar Jayarama
- Department of Microbiology and Immunology, College of Medicine, University of Illinois at Chicago, Chicago, Illinois
| | - Furio Pacini
- Section of Endocrinology and Metabolism, Department of Internal Medicine, Endocrinology and Metabolism, and Biochemistry, University of Siena, Siena, Italy
| | - Bellur S. Prabhakar
- Department of Microbiology and Immunology, College of Medicine, University of Illinois at Chicago, Chicago, Illinois
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16
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Zhao Z, Wei Q, Zhao Y, Sun F, Jin X, Cui B, Ning G. Genetic copy number alterations and IL-13 expression differences in papillary thyroid cancers and benign nodules. Endocrine 2009; 36:155-60. [PMID: 19507063 DOI: 10.1007/s12020-009-9206-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2009] [Revised: 04/16/2009] [Accepted: 05/15/2009] [Indexed: 10/20/2022]
Abstract
Thyroid nodules were the extremely common endocrine tumors, in which papillary thyroid carcinomas (PTCs) were the most prevalent endocrine malignancy, representing 80-90% of all thyroid malignancies. It was still a dilemma to discriminate PTCs and benign thyroid nodules. With a new molecular genetics technology of Multiplex ligation-dependent probe amplification (MLPA), we investigated 13 PTC and 14 benign nodule tissue samples. The results showed that PTCs had more genetic copy number alteration than benign nodules (P < 0.001). Receiver operating characteristic (ROC) curve analysis suggested that genomic aberrations would provide a moderate accuracy method to discriminate PTCs and benign nodules. The gain of interleukin 13 (IL-13) gene obviously identified the great difference between PTCs and benign nodules. Immunohistochemistry also confirmed significantly higher IL-13 expression in the PTCs (P < 0.001). The current study showed that MLPA should be an effective method to diagnose PTCs and benign thyroid nodules, and also provided a clue to another relationship between IL-13 and PTCs.
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Affiliation(s)
- ZeFei Zhao
- Shanghai Institute of Endocrinology and Metabolism, Shanghai JiaoTong University School of Medicine, Shanghai, 200025, People's Republic of China
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17
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Franzoni A, Dima M, D'Agostino M, Puppin C, Fabbro D, Loreto CD, Pandolfi M, Puxeddu E, Moretti S, Celano M, Bruno R, Filetti S, Russo D, Damante G. Prohibitin is overexpressed in papillary thyroid carcinomas bearing the BRAF(V600E) mutation. Thyroid 2009; 19:247-55. [PMID: 19207009 DOI: 10.1089/thy.2008.0235] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Prohibitin (PHB) is a multifunctional protein that is localized in different intracellular sites. PHB may exert different roles in tumorigenesis, having either a permissive action on tumor growth or an oncosuppressor role, depending on the cellular context. The objective of this study was to evaluate PHB expression in normal thyroid tissues, thyroid follicular adenomas (FAs), and papillary thyroid carcinomas (PTCs). METHODS PHB expression was analyzed by immunohistochemistry, Western blot, and quantitative reverse transcription polymerase chain reaction (RT-PCR). Transfections in the BCPAP and TPC-1 thyroid cancer cell lines were used to evaluate the PHB promoter activity. RESULTS In terms of protein and mRNA levels, normal tissues from patients with serum thyrotropin (TSH) values >0.8mU/L had PHB levels that were significantly reduced compared to specimens from patients with serum TSH values <0.5mU/L, suggesting that TSH exerts an inhibitory effect on PHB expression. Consistent with this was the finding that the presence of TSH was associated with low PHB levels in normal FRTL5 thyroid cells. Immunohistochemical analysis showed relatively low and high PHB expression in FAs and PTCs, respectively. PHB mRNA and protein overexpression, as assessed by quantitative RT-PCR and Western blot, was noted only in PTCs bearing the BRAF(V600E) mutation. Notably, cell transfection experiments suggested that presence of the BRAF(V600E) mutation may be associated to increase of the PHB promoter activity. CONCLUSIONS PHB is overexpressed in PTCs bearing the BRAF(V600E) mutation. We postulate that the presence of the BRAF(V600E) mutation increases PHB promoter activity and therefore potentially mediates effects of this mutation on the behavior of BRAF(V600E) positive PTCs.
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Affiliation(s)
- Alessandra Franzoni
- Dipartimento di Scienze e Tecnologie Biomediche, Università di Udine, Udine, Italy
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18
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Schweppe RE, Klopper JP, Korch C, Pugazhenthi U, Benezra M, Knauf JA, Fagin JA, Marlow LA, Copland JA, Smallridge RC, Haugen BR. Deoxyribonucleic acid profiling analysis of 40 human thyroid cancer cell lines reveals cross-contamination resulting in cell line redundancy and misidentification. J Clin Endocrinol Metab 2008; 93:4331-41. [PMID: 18713817 PMCID: PMC2582569 DOI: 10.1210/jc.2008-1102] [Citation(s) in RCA: 466] [Impact Index Per Article: 29.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
CONTEXT Cell lines derived from human cancers provide critical tools to study disease mechanisms and develop novel therapies. Recent reports indicate that up to 36% of cell lines are cross- contaminated. OBJECTIVE We evaluated 40 reported thyroid cancer-derived cell lines using short tandem repeat and single nucleotide polymorphism array analysis. RESULTS Only 23 of 40 cell lines tested have unique genetic profiles. The following groups of cell lines are likely derivatives of the same cell line: BHP5-16, BHP17-10, BHP14-9, and NPA87; BHP2-7, BHP10-3, BHP7-13, and TPC1; KAT5, KAT10, KAT4, KAT7, KAT50, KAK1, ARO81-1, and MRO87-1; and K1 and K2. The unique cell lines include BCPAP, KTC1, TT2609-C02, FTC133, ML1, WRO82-1, 8505C, SW1736, Cal-62, T235, T238, Uhth-104, ACT-1, HTh74, KAT18, TTA1, FRO81-2, HTh7, C643, BHT101, and KTC-2. The misidentified cell lines included the DRO90-1, which matched the melanoma-derived cell line, A-375. The ARO81-1 and its derivatives matched the HT-29 colon cancer cell line, and the NPA87 and its derivatives matched the M14/MDA-MB-435S melanoma cell line. TTF-1 and Pax-8 mRNA levels were determined in the unique cell lines. CONCLUSIONS Many of these human cell lines have been widely used in the thyroid cancer field for the past 20 yr and are not only redundant, but not of thyroid origin. These results emphasize the importance of cell line integrity, and provide the short tandem repeat profiles for a panel of thyroid cancer cell lines that can be used as a reference for comparison of cell lines from other laboratories.
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Affiliation(s)
- Rebecca E Schweppe
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine and University of Colorado Cancer Center, Denver, Aurora, Colorado 80045, USA.
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Puces à ADN (CGH-array) : application pour le diagnostic de déséquilibres cytogénétiques cryptiques. ACTA ACUST UNITED AC 2008; 56:368-74. [DOI: 10.1016/j.patbio.2008.04.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2008] [Accepted: 04/16/2008] [Indexed: 01/05/2023]
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Abstract
There is much interest in the application of genome biology to the field of thyroid neoplasia, despite the relatively low mortality rate associated with thyroid cancer in general. The principal reason for this interest is that the field of thyroid neoplasia stands to benefit from the application of genomic information to address a variety of pathologic and clinical issues. In addition to practical patient care issues, there is an excellent opportunity of expand the basic understanding of thyroid carcinogenesis. In this article, the most relevant genomic work on thyroid tumors performed to date is reviewed along with some general comments about the potential impact of genomic biology on thyroid pathology and the management of patients with thyroid nodules and cancer.
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Affiliation(s)
- Thomas J Giordano
- Department of Pathology, 1150 West Medical Center Drive, MSRB-2, C570D, University of Michigan Health System, Ann Arbor, MI 48109, USA.
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Ward LS, Morari EC, Leite JL, Bufalo NE, Guilhen ACT, Araujo PPCD, Tincani AJ, Assumpção LVM, Matos PS. Identifying a risk profile for thyroid cancer. ACTA ACUST UNITED AC 2007; 51:713-22. [PMID: 17891234 DOI: 10.1590/s0004-27302007000500008] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2007] [Accepted: 04/14/2007] [Indexed: 11/21/2022]
Abstract
The large use of simple and effective diagnostic tools has significantly contributed to the increase in diagnosis of thyroid cancer over the past years. However, there is compelling evidence that most micropapillary carcinomas have an indolent behavior and may never evolve into clinical cancers. Therefore, there is an urgent need for new tools able to predict which thyroid cancers will remain silent, and which thyroid cancers will present an aggressive behavior. There are a number of well-established clinical predictors of malignancy and recent studies have suggested that some of the patient’s laboratory data and image methods may be useful. Molecular markers have also been increasingly tested and some of them appear to be very promising, such as BRAF, a few GST genes and p53 polymorphisms. In addition, modern tools, such as immunocytochemical markers, and the measure of the fractal nature of chromatin organization may increase the specificity of the pathological diagnosis of malignancy and help ascertain the prognosis. Guidelines designed to select nodules for further evaluation, as well as new methods aimed at distinguishing carcinomas of higher aggressiveness among the usually indolent thyroid tumors are an utmost necessity.
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Affiliation(s)
- Laura Sterian Ward
- Molecular Genetics of Cancer Laboratory, Department of Medicine, Head and Neck Surgery, State University of Campinas, SP, Brazil.
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