Abstract:
:Metastasis-associated in colon cancer-1 (MACC1) is a gene that has been newly identified by a genome-wide search for differentially expressed genes in human colon cancer tissues, metastases and normal tissues. MACC1 exerts an important role in colon cancer metastasis through upregulation of the c-Met proto-oncogene. The tyrosine kinase receptor encoded by the c-Met oncogene exhibits the unusual property of mediating the invasive growth of epithelial cells upon binding with the hepatocyte growth factor (HGF). MACC1 has been investigated with regard to colon carcinoma and MACC1 expression is associated with metastasis in various types of human cancer. However, the value of MACC1 as a potential biomarker for ovarian cancer remains unknown, although the c-Met/HGF receptor has been shown to be overexpressed in epithelial ovarian cancer tissues. To investigate the role of MACC1 in epithelial ovarian tumors, the expression levels of MACC1 mRNA in ovarian tumor specimens were analyzed together with the prognostic significance. MACC1 protein expression was also detected in the epithelial ovarian tissue specimens, and the effects of MACC1 overexpression on ovarian cancer migration, invasion and prognosis were evaluated. Due to the close association between MACC1 and c-Met expression levels in colon cancer, the expression levels of HGF/c-Met in the ovarian specimens were also examined to determine whether such a correlation is also present in epithelial ovarian cancer. A total of 92 epithelial ovarian tissue samples were used to assess the expression levels of MACC1 mRNA and protein using reverse transcription-polymerase chain reaction and immunohistochemical methods, respectively. The serum levels of MACC1 protein expression in patients with epithelial ovarian cancer were detected by enzyme-linked immunosorbent assay. The results indicated that MACC1 may be important in the malignant progression of epithelial ovarian tumors, in particular for early stage patients. Thus, MACC1 may become a predictor of prognosis and a therapeutic target in the treatment of ovarian tumors. The combined detection of MACC1 and HGF/c-Met is therefore important in assessing the prognosis of patients with malignant epithelial ovarian tumors.
journal_name
Oncol Lettjournal_title
Oncology lettersauthors
Li H,Zhang H,Zhao S,Shi Y,Yao J,Zhang Y,Guo H,Liu Xdoi
10.3892/ol.2015.2984subject
Has Abstractpub_date
2015-05-01 00:00:00pages
1989-1996issue
5eissn
1792-1074issn
1792-1082pii
OL-0-0-2984journal_volume
9pub_type
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