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For: Marchetti G, Ricardo VD, Ardengh AO, de Almeida AF, Taglieri E, Micelli-Neto O, Kemp R, Dos Santos JS, Ardengh JC. Adverse events and mortality: comparative analysis between diagnostic and interventional endoscopic ultrasound. Scand J Gastroenterol 2020;55:995-1001. [PMID: 32663052 DOI: 10.1080/00365521.2020.1792975] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]

For:	Marchetti G, Ricardo VD, Ardengh AO, de Almeida AF, Taglieri E, Micelli-Neto O, Kemp R, Dos Santos JS, Ardengh JC. Adverse events and mortality: comparative analysis between diagnostic and interventional endoscopic ultrasound. Scand J Gastroenterol 2020;55:995-1001. [PMID: 32663052 DOI: 10.1080/00365521.2020.1792975] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]

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Cited by Other Article(s)

Forbes N, Coelho-Prabhu N, Al-Haddad MA, Kwon RS, Amateau SK, Buxbaum JL, Calderwood AH, Elhanafi SE, Fujii-Lau LL, Kohli DR, Pawa S, Storm AC, Thosani NC, Qumseya BJ. Adverse events associated with EUS and EUS-guided procedures. Gastrointest Endosc 2022;95:16-26.e2. [PMID: 34711402 DOI: 10.1016/j.gie.2021.09.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 09/09/2021] [Indexed: 02/07/2023]

Archibugi L, Ruta V, Panzeri V, Redegalli M, Testoni SGG, Petrone MC, Rossi G, Falconi M, Reni M, Doglioni C, Sette C, Arcidiacono PG, Capurso G. RNA Extraction from Endoscopic Ultrasound-Acquired Tissue of Pancreatic Cancer Is Feasible and Allows Investigation of Molecular Features. Cells 2020;9:E2561. [PMID: 33266052 PMCID: PMC7761443 DOI: 10.3390/cells9122561] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/26/2020] [Accepted: 11/27/2020] [Indexed: 02/07/2023] Open

Abstract

Transcriptome analyses allow the distinguishing of pancreatic ductal adenocarcinoma (PDAC) subtypes, exhibiting different prognoses and chemotherapy responses. However, RNA extraction from pancreatic tissue is cumbersome and has been performed mainly from surgical samples, which are representative of < 20% of cases. The majority of PDAC patients undergo endoscopic ultrasound (EUS)-guided tissue acquisition (EUS-TA), but RNA has been rarely extracted from EUS-TA with scanty results. Herein, we aimed to determine the best conditions for RNA extraction and analysis from PDAC EUS-TA samples in order to carry out molecular analyses. PDAC cases underwent diagnostic EUS-TA, with needles being a 25G fine needle aspiration (FNA) in all patients and then either a 20G lateral core-trap fine needle biopsy (FNB) or a 25G Franseen FNB; the conservation methods were either snap freezing, RNALater or Trizol. RNA concentration and quality (RNA integrity index; RIN) were analyzed and a panel of genes was investigated for tissue contamination and markers of molecular subtype and aggressivity through qRT-PCR. Seventy-four samples from 37 patients were collected. The median RNA concentration was significantly higher in Trizol samples (10.33 ng/uL) compared with snap frozen (0.64 ng/uL; p < 0.0001) and RNALater (0.19 ng/uL; p < 0.0001). The RIN was similar between Trizol (5.15) and snap frozen samples (5.85), while for both methods it was higher compared with RNALater (2.7). Among the needles, no substantial difference was seen in terms of RNA concentration and quality. qRT-PCR analyses revealed that samples from all needles were suitable for the detection of PDAC subtype markers (GATA6 and ZEB1) and splice variants associated with mutational status (GAP17) as well as for the detection of contaminating tissue around PDAC cells. This is the first study that specifically investigates the best methodology for RNA extraction from EUS-TA. A higher amount of good quality RNA is obtainable with conservation in Trizol with a clear superiority of neither FNA nor FNB needles. RNA samples from EUS-TA are suitable for transcriptome analysis including the investigation of molecular subtype and splice variants expression.

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Affiliation(s)

Livia Archibugi Pancreato-Biliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; (L.A.); (S.G.G.T.); (M.C.P.); (G.R.); (G.C.) Department of Pathology, San Raffaele Scientific Institute IRCCS-Vita Salute San Raffaele University, 20132 Milan, Italy; (M.R.); (M.F.); (C.D.)
Veronica Ruta Department of Neuroscience, Section of Human Anatomy, Catholic University of the Sacred Heart, 00168 Rome, Italy; (V.R.); (V.P.); (C.S.) Fondazione Policlinico Agostino Gemelli IRCCS, 00168 Rome, Italy
Valentina Panzeri Department of Neuroscience, Section of Human Anatomy, Catholic University of the Sacred Heart, 00168 Rome, Italy; (V.R.); (V.P.); (C.S.) Fondazione Policlinico Agostino Gemelli IRCCS, 00168 Rome, Italy
Miriam Redegalli Department of Pathology, San Raffaele Scientific Institute IRCCS-Vita Salute San Raffaele University, 20132 Milan, Italy; (M.R.); (M.F.); (C.D.) Pathology Department, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
Sabrina Gloria Giulia Testoni Pancreato-Biliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; (L.A.); (S.G.G.T.); (M.C.P.); (G.R.); (G.C.) Department of Pathology, San Raffaele Scientific Institute IRCCS-Vita Salute San Raffaele University, 20132 Milan, Italy; (M.R.); (M.F.); (C.D.)
Maria Chiara Petrone Pancreato-Biliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; (L.A.); (S.G.G.T.); (M.C.P.); (G.R.); (G.C.) Department of Pathology, San Raffaele Scientific Institute IRCCS-Vita Salute San Raffaele University, 20132 Milan, Italy; (M.R.); (M.F.); (C.D.)
Gemma Rossi Pancreato-Biliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; (L.A.); (S.G.G.T.); (M.C.P.); (G.R.); (G.C.)
Massimo Falconi Department of Pathology, San Raffaele Scientific Institute IRCCS-Vita Salute San Raffaele University, 20132 Milan, Italy; (M.R.); (M.F.); (C.D.) Pancreatic Surgery Unit, Pancreas Translational & Clinical Research Center, San Raffaele Scientific Institute IRCCS, 20132 Milan, Italy
Michele Reni Department of Medical Oncology, Pancreas Translational & Clinical Research Center, San Raffaele Scientific Institute IRCCS, 20132 Milan, Italy;
Claudio Doglioni Department of Pathology, San Raffaele Scientific Institute IRCCS-Vita Salute San Raffaele University, 20132 Milan, Italy; (M.R.); (M.F.); (C.D.) Pathology Department, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
Claudio Sette Department of Neuroscience, Section of Human Anatomy, Catholic University of the Sacred Heart, 00168 Rome, Italy; (V.R.); (V.P.); (C.S.)
Paolo Giorgio Arcidiacono Pancreato-Biliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; (L.A.); (S.G.G.T.); (M.C.P.); (G.R.); (G.C.) Department of Pathology, San Raffaele Scientific Institute IRCCS-Vita Salute San Raffaele University, 20132 Milan, Italy; (M.R.); (M.F.); (C.D.)
Gabriele Capurso Pancreato-Biliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; (L.A.); (S.G.G.T.); (M.C.P.); (G.R.); (G.C.) Department of Pathology, San Raffaele Scientific Institute IRCCS-Vita Salute San Raffaele University, 20132 Milan, Italy; (M.R.); (M.F.); (C.D.)

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