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PMID: 12378619 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't

Association of hTcf-4 gene expression and mutation with clinicopathological characteristics of hepatocellular carcinoma.

World journal of gastroenterology ·Vol. 8 ·No. 5 ·2002-10-00 ·Pages 804-7

Jiang Y, Zhou XD, Liu YK, Wu X, Huang XW

Abstract

Hepatocellular carcinoma(HCC) is a significant health problem in China. But the molecular mechanisms of HCC remains unclear. APC/beta-Catenin/Tcf signaling pathway, also known as Wnt pathway, plays a critical role in the development and oncogenesis. As little is known about the alteration of human T-cell transcription factor-4 (hTcf-4) gene in HCC, it is of interest to study the expression and mutation of hTcf-4 gene in HCC and the relationship between hTcf-4 gene and progression of HCC. Reverse transcription-polymerase chain reaction (RT-PCR) method was used to detect the expression of hTcf-4 mRNA in 32 HCC and para-cancerous tissues and 5 normal liver tissues. PCR-single strand conformation polymorphism (PCR-SSCP) method was used to detect the mutation of hTcf-4 exons 1, 4, 9 and 15 in HCC. The correlation of expression and mutation of the hTcf-4 gene with clinicopathological characteristics of HCC was also analyzed. RT-PCR showed that the expression rate of hTcf-4 mRNA in HCC, para-cancerous tissues and normal liver tissues was 90.6 %, 71.9 % and 80 %, respectively. The gene expression level in tumor was 0.71+/-0.13, much higher than that in para-cancerous liver 0.29+/-0.05 and normal liver 0.26+/-0.05 (P<0.001), although there was no significant difference in gene expression level between para-cancerous tissues and normal liver (P>0.05). Furthermore, hTcf-4 gene expression was closely associated with tumor capsule status and intrahepatic metastasis of HCC. On SSCP, 2 of 32 cases of HCC (6.25 %) displayed characteristic mutational mobility shifts in exon 15 of the hTcf-4 gene. No abnormal shifting bands were observed in para-cancerous tissues. The high expression level of hTcf-4 in HCC, especially in tumors with metastasis, suggests that the over-expression of hTcf-4 gene may be closely associated with development and progression of HCC, but the mutation of this gene seemed to play less important role in this respect.

MeSH Terms
Adolescent Adult Aged Carcinoma, Hepatocellular/pathology,physiopathology Female Gene Expression Regulation, Neoplastic Humans Liver/physiology Liver Neoplasms/pathology,physiopathology Male Middle Aged Mutation Polymerase Chain Reaction Polymorphism, Single-Stranded Conformational RNA, Messenger/analysis Silver Staining TCF Transcription Factors Transcription Factor 7-Like 2 Protein Transcription Factors/genetics
Chemicals
RNA, Messenger TCF Transcription Factors TCF7L2 protein, human Transcription Factor 7-Like 2 Protein Transcription Factors
Authors & Affiliations
5 authors, click to expand affiliations / ORCID
Jiang Ying
Liver Cancer Institute, Zhong Shan Hospital, Fudan University, Shanghai 200032, China.
Zhou Xin-Da
Liu Yin-Kun
Wu Xin
Huang Xiao-Wu
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Article Info
Journal
World journal of gastroenterology
Abbr.
World J Gastroenterol
ISSN
1007-9327
Published
2002-10-00
Pages
804-7
Language
English
Region
United States
NLM ID
100883448
PMCID
PMC4656565
Subset
IM
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