High Expression of the Tumor Suppressor Protein ITIH5 in Cholangiocarcinomas Correlates with a Favorable Prognosis

: Cholangiocarcinoma (CCA) are aggressive bile duct cancers with a poor prognosis for which there are only few established prognostic biomarkers and molecular targets available. The gene , a known class II tumor suppressor gene (C2TSG), encodes a secreted protein of the extracellular matrix mediatin...

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Veröffentlicht in:Cancers 2024-10, Vol.16 (21), p.3647
Hauptverfasser: Dreyer, Verena J, Shi, Jia-Xin, Rose, Michael, Onyuro, Maureen T, Steib, Florian, Hilgers, Lars, Seillier, Lancelot, Dietrich, Jana, Riese, Janik, Meurer, Steffen K, Weiskirchen, Ralf, Neumann, Ulf, Heij, Lara, Luedde, Tom, Loosen, Sven H, Lurje, Isabella, Lurje, Georg, Gaisa, Nadine T, Jonigk, Danny, Bednarsch, Jan, Dahl, Edgar, Brüchle, Nadina Ortiz
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container_issue 21
container_start_page 3647
container_title Cancers
container_volume 16
creator Dreyer, Verena J
Shi, Jia-Xin
Rose, Michael
Onyuro, Maureen T
Steib, Florian
Hilgers, Lars
Seillier, Lancelot
Dietrich, Jana
Riese, Janik
Meurer, Steffen K
Weiskirchen, Ralf
Neumann, Ulf
Heij, Lara
Luedde, Tom
Loosen, Sven H
Lurje, Isabella
Lurje, Georg
Gaisa, Nadine T
Jonigk, Danny
Bednarsch, Jan
Dahl, Edgar
Brüchle, Nadina Ortiz
description : Cholangiocarcinoma (CCA) are aggressive bile duct cancers with a poor prognosis for which there are only few established prognostic biomarkers and molecular targets available. The gene , a known class II tumor suppressor gene (C2TSG), encodes a secreted protein of the extracellular matrix mediating tumor suppressive properties. Recently, it was surprisingly found that the ITIH5 protein is specifically upregulated in CCAs and that ITIH5 detection in blood could be an excellent liquid biopsy marker for indicating the presence of a CCA tumor in a patient. We therefore investigated whether patients with CCAs with abundant versus low ITIH5 protein expression also differ in their prognosis. : To clarify this question, a large CCA cohort (n = 175) was examined using immunohistochemistry on a tissue microarray (TMA). : Abundant ITIH5 expression in CCA was associated with favorable survival, a low UICC stage and the absence of perineural invasion (PNI). : ITIH5 has biomarker potential not only for the early detection of CCA from blood-based liquid biopsies but also as a prognostic tissue biomarker for risk stratification. Our results suggest that the upregulation of ITIH5 is particularly abundant in intrahepatic CCAs (iCCA). The mechanisms mediating the strong initial upregulation of ITIH5 during the oncogenic transformation of bile duct cells are still unclear.
doi_str_mv 10.3390/cancers16213647
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The gene , a known class II tumor suppressor gene (C2TSG), encodes a secreted protein of the extracellular matrix mediating tumor suppressive properties. Recently, it was surprisingly found that the ITIH5 protein is specifically upregulated in CCAs and that ITIH5 detection in blood could be an excellent liquid biopsy marker for indicating the presence of a CCA tumor in a patient. We therefore investigated whether patients with CCAs with abundant versus low ITIH5 protein expression also differ in their prognosis. : To clarify this question, a large CCA cohort (n = 175) was examined using immunohistochemistry on a tissue microarray (TMA). : Abundant ITIH5 expression in CCA was associated with favorable survival, a low UICC stage and the absence of perineural invasion (PNI). : ITIH5 has biomarker potential not only for the early detection of CCA from blood-based liquid biopsies but also as a prognostic tissue biomarker for risk stratification. Our results suggest that the upregulation of ITIH5 is particularly abundant in intrahepatic CCAs (iCCA). The mechanisms mediating the strong initial upregulation of ITIH5 during the oncogenic transformation of bile duct cells are still unclear.</description><identifier>ISSN: 2072-6694</identifier><identifier>EISSN: 2072-6694</identifier><identifier>DOI: 10.3390/cancers16213647</identifier><identifier>PMID: 39518085</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Amino acids ; Antibodies ; Bile ducts ; Biopsy ; Breast cancer ; Cancer therapies ; Cholangiocarcinoma ; Datasets ; DNA methylation ; Down-regulation ; Gallbladder ; Genes ; Genomes ; Immunohistochemistry ; Laboratories ; Medical prognosis ; Pancreatic cancer ; Prognosis ; Proteins ; Trypsin ; Tumor cell lines ; Tumor suppressor genes ; Tumors</subject><ispartof>Cancers, 2024-10, Vol.16 (21), p.3647</ispartof><rights>COPYRIGHT 2024 MDPI AG</rights><rights>2024 by the authors. 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The gene , a known class II tumor suppressor gene (C2TSG), encodes a secreted protein of the extracellular matrix mediating tumor suppressive properties. Recently, it was surprisingly found that the ITIH5 protein is specifically upregulated in CCAs and that ITIH5 detection in blood could be an excellent liquid biopsy marker for indicating the presence of a CCA tumor in a patient. We therefore investigated whether patients with CCAs with abundant versus low ITIH5 protein expression also differ in their prognosis. : To clarify this question, a large CCA cohort (n = 175) was examined using immunohistochemistry on a tissue microarray (TMA). : Abundant ITIH5 expression in CCA was associated with favorable survival, a low UICC stage and the absence of perineural invasion (PNI). : ITIH5 has biomarker potential not only for the early detection of CCA from blood-based liquid biopsies but also as a prognostic tissue biomarker for risk stratification. Our results suggest that the upregulation of ITIH5 is particularly abundant in intrahepatic CCAs (iCCA). The mechanisms mediating the strong initial upregulation of ITIH5 during the oncogenic transformation of bile duct cells are still unclear.</description><subject>Amino acids</subject><subject>Antibodies</subject><subject>Bile ducts</subject><subject>Biopsy</subject><subject>Breast cancer</subject><subject>Cancer therapies</subject><subject>Cholangiocarcinoma</subject><subject>Datasets</subject><subject>DNA methylation</subject><subject>Down-regulation</subject><subject>Gallbladder</subject><subject>Genes</subject><subject>Genomes</subject><subject>Immunohistochemistry</subject><subject>Laboratories</subject><subject>Medical prognosis</subject><subject>Pancreatic cancer</subject><subject>Prognosis</subject><subject>Proteins</subject><subject>Trypsin</subject><subject>Tumor cell lines</subject><subject>Tumor suppressor 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Expression of the Tumor Suppressor Protein ITIH5 in Cholangiocarcinomas Correlates with a Favorable Prognosis</title><author>Dreyer, Verena J ; Shi, Jia-Xin ; Rose, Michael ; Onyuro, Maureen T ; Steib, Florian ; Hilgers, Lars ; Seillier, Lancelot ; Dietrich, Jana ; Riese, Janik ; Meurer, Steffen K ; Weiskirchen, Ralf ; Neumann, Ulf ; Heij, Lara ; Luedde, Tom ; Loosen, Sven H ; Lurje, Isabella ; Lurje, Georg ; Gaisa, Nadine T ; Jonigk, Danny ; Bednarsch, Jan ; Dahl, Edgar ; Brüchle, Nadina Ortiz</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c332t-d341fe692297cd5289ab871395c855020f9f49d02cc8ae88ed0037338d0aded53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Amino acids</topic><topic>Antibodies</topic><topic>Bile ducts</topic><topic>Biopsy</topic><topic>Breast cancer</topic><topic>Cancer therapies</topic><topic>Cholangiocarcinoma</topic><topic>Datasets</topic><topic>DNA 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source PubMed Central Open Access; MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals; PubMed Central
subjects Amino acids
Antibodies
Bile ducts
Biopsy
Breast cancer
Cancer therapies
Cholangiocarcinoma
Datasets
DNA methylation
Down-regulation
Gallbladder
Genes
Genomes
Immunohistochemistry
Laboratories
Medical prognosis
Pancreatic cancer
Prognosis
Proteins
Trypsin
Tumor cell lines
Tumor suppressor genes
Tumors
title High Expression of the Tumor Suppressor Protein ITIH5 in Cholangiocarcinomas Correlates with a Favorable Prognosis
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