Proteomics

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Immunohistochemical markers distinguishing cholangiocellular carcinoma from pancreatic ductal adenocarcinoma discovered by proteomic analysis of microdissected cells


ABSTRACT: Cholangiocellular carcinoma (CCC) and pancreatic ductal adenocarcinoma (PDAC) are two highly aggressive cancer types which arise from epithelial cells of the pancreatobiliary system. Due to their histologic and morphologic similarity, differential diagnosis between CCC and metastasis of PDAC located in the liver frequently proves an unsolvable issue for pathologists. Biomarkers with high specificity and sensitivity for the differentiation of these tumour types would therefore be a valuable tool, but so far none are available. Here, we address this problem by comparing microdissected CCC and PDAC tumour cells in a label-free proteomics approach. The novel biomarker candidates were subsequently verified by immunohistochemical staining of primary and secondary tumour tissue.

INSTRUMENT(S): LTQ Orbitrap Elite

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Pancreatic Ductal Adenocarcinoma Cell, Cholangiocarcinoma Cell, Epithelial Cell

DISEASE(S): Cholangiocarcinoma,Pancreatic Ductal Adenocarcinoma

SUBMITTER: Juliet Padden  

LAB HEAD: Barbara Sitek

PROVIDER: PXD001833 | Pride | 2015-12-10

REPOSITORIES: Pride

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Publications

Immunohistochemical Markers Distinguishing Cholangiocellular Carcinoma (CCC) from Pancreatic Ductal Adenocarcinoma (PDAC) Discovered by Proteomic Analysis of Microdissected Cells.

Padden Juliet J   Ahrens Maike M   Kälsch Julia J   Bertram Stefanie S   Megger Dominik A DA   Bracht Thilo T   Eisenacher Martin M   Kocabayoglu Peri P   Meyer Helmut E HE   Sipos Bence B   Baba Hideo A HA   Sitek Barbara B  

Molecular & cellular proteomics : MCP 20151207 3


Cholangiocellular carcinoma (CCC) and pancreatic ductal adenocarcinoma (PDAC) are two highly aggressive cancer types that arise from epithelial cells of the pancreatobiliary system. Owing to their histological and morphological similarity, differential diagnosis between CCC and metastasis of PDAC located in the liver frequently proves an unsolvable issue for pathologists. The detection of biomarkers with high specificity and sensitivity for the differentiation of these tumor types would therefor  ...[more]

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