Clinical and Genomic Characterization of Pancreatic Ductal Adenocarcinoma with Signet-Ring/Poorly Cohesive Cells
Copyright © 2023 The Authors. Published by Elsevier Inc. All rights reserved..
CCDC6 fusion gene, and microsatellite instability (3 different cases, 1 alteration per case) represent novel targets for precision oncology. The occurrence of SMAD4 mutations was associated with poorer prognosis; (4) pancreatic SRC carcinomas are genetically different from gastric SRC carcinomas: CDH1, the classic driver gene of gastric SRC carcinoma, is not altered in pancreatic SRC carcinoma; (5) transcriptome analysis: the cases clustered into 2 groups, one classical/exocrine-like, and the other squamous-like; and (6) SRC carcinoma-derived organoids can be successfully generated, and their cultures preserve the histologic and molecular features of parental SRC carcinoma. Although pancreatic SRC carcinoma shares similarities with conventional PDAC regarding the most important genetic drivers, it also exhibits important differences. A personalized approach for patients with this tumor type should consider the clinical relevance of histologic determination of the SRC component and the presence of potentially actionable molecular targets.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:36 |
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| Enthalten in: |
Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc - 36(2023), 9 vom: 01. Sept., Seite 100251 |
| Sprache: |
Englisch |
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| Links: |
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Journal Article |
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| Anmerkungen: |
Date Completed 25.09.2023 Date Revised 13.12.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.modpat.2023.100251 |
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| PPN (Katalog-ID): |
NLM358565197 |
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| 100 | 1 | |a Simbolo, Michele |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Clinical and Genomic Characterization of Pancreatic Ductal Adenocarcinoma with Signet-Ring/Poorly Cohesive Cells |
| 264 | 1 | |c 2023 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ƒaComputermedien |b c |2 rdamedia | ||
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| 500 | |a Date Completed 25.09.2023 | ||
| 500 | |a Date Revised 13.12.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2023 The Authors. Published by Elsevier Inc. All rights reserved. | ||
| 520 | |a Signet-ring cell (SRC)/poorly cohesive cell carcinoma is an aggressive variant of pancreatic ductal adenocarcinoma (PDAC). This study aimed to clarify its clinicopathologic and molecular profiles based on a multi-institutional cohort of 20 cases. The molecular profiles were investigated using DNA and RNA sequencing. The clinicopathologic parameters and molecular alterations were analyzed based on survival indices and using a validation/comparative cohort of 480 conventional PDAC patients. The primary findings were as follows: (1) clinicopathologic features: SRC carcinomas are highly aggressive neoplasms with poor prognosis, and the lungs are elective metastatic sites; (2) survival analysis: a higher SRC component was indicative of poorer prognosis. In particular, the most clinically significant threshold of SRC was 80%, showing statistically significant differences in both disease-specific and disease-free survival; (3) genomic profiles: SRC carcinomas are similar to conventional PDAC with the most common alterations affecting the classic PDAC drivers KRAS (70% of cases), TP53 (55%), SMAD4 (25%), and CDKN2A (20%). EGFR alterations, RET::CCDC6 fusion gene, and microsatellite instability (3 different cases, 1 alteration per case) represent novel targets for precision oncology. The occurrence of SMAD4 mutations was associated with poorer prognosis; (4) pancreatic SRC carcinomas are genetically different from gastric SRC carcinomas: CDH1, the classic driver gene of gastric SRC carcinoma, is not altered in pancreatic SRC carcinoma; (5) transcriptome analysis: the cases clustered into 2 groups, one classical/exocrine-like, and the other squamous-like; and (6) SRC carcinoma-derived organoids can be successfully generated, and their cultures preserve the histologic and molecular features of parental SRC carcinoma. Although pancreatic SRC carcinoma shares similarities with conventional PDAC regarding the most important genetic drivers, it also exhibits important differences. A personalized approach for patients with this tumor type should consider the clinical relevance of histologic determination of the SRC component and the presence of potentially actionable molecular targets | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a PDAC | |
| 650 | 4 | |a pancreatic cancer | |
| 650 | 4 | |a pancreatic ductal adenocarcinoma | |
| 650 | 4 | |a poorly cohesive | |
| 650 | 4 | |a signet-ring | |
| 700 | 1 | |a Silvestris, Nicola |e verfasserin |4 aut | |
| 700 | 1 | |a Malleo, Giuseppe |e verfasserin |4 aut | |
| 700 | 1 | |a Mafficini, Andrea |e verfasserin |4 aut | |
| 700 | 1 | |a Maggino, Laura |e verfasserin |4 aut | |
| 700 | 1 | |a Cocomazzi, Alessandra |e verfasserin |4 aut | |
| 700 | 1 | |a Veghini, Lisa |e verfasserin |4 aut | |
| 700 | 1 | |a Mombello, Aldo |e verfasserin |4 aut | |
| 700 | 1 | |a Pezzini, Francesco |e verfasserin |4 aut | |
| 700 | 1 | |a Sereni, Elisabetta |e verfasserin |4 aut | |
| 700 | 1 | |a Martelli, Filippo M |e verfasserin |4 aut | |
| 700 | 1 | |a Gkountakos, Anastasios |e verfasserin |4 aut | |
| 700 | 1 | |a Ciaparrone, Chiara |e verfasserin |4 aut | |
| 700 | 1 | |a Piredda, Maria L |e verfasserin |4 aut | |
| 700 | 1 | |a Ingravallo, Giuseppe |e verfasserin |4 aut | |
| 700 | 1 | |a Paolino, Gaetano |e verfasserin |4 aut | |
| 700 | 1 | |a Nappo, Floriana |e verfasserin |4 aut | |
| 700 | 1 | |a Rapposelli, Ilario G |e verfasserin |4 aut | |
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| 700 | 1 | |a Paiella, Salvatore |e verfasserin |4 aut | |
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| 700 | 1 | |a Brunetti, Oronzo |e verfasserin |4 aut | |
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