dc.contributor.author |
Holczbauer A |
|
dc.contributor.author |
Gyöngyösi, Benedek |
|
dc.contributor.author |
Lotz, Gábor |
|
dc.contributor.author |
Törzsök, Péter |
|
dc.contributor.author |
Kaposi-Novak P |
|
dc.contributor.author |
Szijártó, Attila |
|
dc.contributor.author |
Tátrai, Péter |
|
dc.contributor.author |
Kupcsulik, Péter |
|
dc.contributor.author |
Schaff, Zsuzsa |
|
dc.contributor.author |
Kiss, András |
|
dc.date.accessioned |
2015-04-13T08:48:35Z |
|
dc.date.available |
2015-04-13T08:48:35Z |
|
dc.date.issued |
2014 |
|
dc.identifier |
84897327683 |
|
dc.identifier.citation |
pagination=493-502;
journalVolume=20;
journalIssueNumber=3;
journalTitle=PATHOLOGY AND ONCOLOGY RESEARCH; |
|
dc.identifier.uri |
http://repo.lib.semmelweis.hu//handle/123456789/1695 |
|
dc.identifier.uri |
doi:10.1007/s12253-013-9683-4 |
|
dc.description.abstract |
Claudins have been reported to be differentially regulated in malignancies and implicated in the process of carcinogenesis and tumor progression. Claudin-1 has been described as key factor in the entry of hepatitis C virus (HCV) into hepatocytes and as promoter of epithelial-mesenchymal transition in liver cells. The objective of the current study was to characterize claudin expression in hepatocellular carcinoma (HCC) as well as HCC-surrounding and normal liver samples with respect to cirrhosis and HCV infection. Expression of claudin-1, -2, -3, -4, and -7 was measured by morphometric analysis of immunohistochemistry, and Western blotting in 30 HCCs with 30 corresponding non-tumorous tissues and 6 normal livers. Claudin-1 and -7 protein expression was found significantly elevated in cirrhosis when compared with non-cirrhotic liver. HCCs developed in cirrhotic livers showed even higher expression of claudin-1 contrary to decreased claudin-7 expression when compared with cirrhosis. With reference to HCV status, HCCs or surrounding livers of HCV-infected samples did not show significant alterations in claudin expression when compared with HCV-negative specimens. Cirrhotic transformation associates with elevated claudin-1 and -7 expressions in both non-tumorous liver and HCC. The fact that no significant differences in claudin expression were found regarding HCV-positivity in our sample set suggests that HCV infection alone does not induce a major increase in the total amount of its entry co-factor claudin-1. Increased expression of claudin-1 seems to be a consequence of cirrhotic transformation and might contribute to a more effective HCV entry and malignant transformation. |
|
dc.relation.ispartof |
urn:issn:1219-4956 |
|
dc.title |
Increased Expression of Claudin-1 and Claudin-7 in Liver Cirrhosis and Hepatocellular Carcinoma. |
|
dc.type |
Journal Article |
|
dc.date.updated |
2015-04-10T11:44:31Z |
|
dc.language.rfc3066 |
en |
|
dc.identifier.mtmt |
2568797 |
|
dc.identifier.pubmed |
24696415 |
|
dc.contributor.department |
SE/AOK/K/I. Sz. Sebészeti Klinika |
|
dc.contributor.department |
SE/AOK/I/II. Sz. Patológiai Intézet |
|
dc.contributor.institution |
Semmelweis Egyetem |
|