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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
2006-1-26
pubmed:abstractText
Metallothioneins (MTs) are a family of cystein-rich metal-binding proteins, which are expressed in normal cells during fetal and postnatal life but also in a variety of human neoplasms. MT expression in human tumors has been linked to resistance to anticancer drugs and differentiation and progression in some types of tumors. This study examined the immunohistochemical expression of MTs in benign, borderline and malignant tumors of ovarian surface epithelium and the possible correlations with clinicopathological parameters and survival. A total of 87 cases with diagnosis of ovarian surface epithelial tumors were included. Specifically, 21 cases of benign cystadenomas (11 serous and 10 mucinous), 14 borderline (low malignant potential tumors, 8 mucinous and 6 serous) and 52 cases of ovarian cancer were analysed. Immunohistochemical expression of MT (cut-off level > 10% of tumor cells) was clearly associated with malignancy. A statistically significant correlation was found between the expression of MT in cancer cases and benign tumors (p < 0.0001) and cancer cases and borderline tumors p = 0.003. In cancer cases a difference was observed between grade I and III (p = 0.002). There was no correlation of MT overexpression with survival in the small number of ovarian carcinoma patients where it was analysed. MT constitutes a marker that characterizes aggressiveness and a high malignant potential in ovarian epithelial tumors. In diagnostic problems MT may help distinguish between benign, borderline and malignant tumors.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
1699-5848
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
21
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
341-7
pubmed:meshHeading
pubmed-meshheading:16437378-Adolescent, pubmed-meshheading:16437378-Adult, pubmed-meshheading:16437378-Aged, pubmed-meshheading:16437378-Aged, 80 and over, pubmed-meshheading:16437378-Carcinoma, pubmed-meshheading:16437378-Cell Differentiation, pubmed-meshheading:16437378-Cell Proliferation, pubmed-meshheading:16437378-Cystadenoma, Mucinous, pubmed-meshheading:16437378-Cystadenoma, Serous, pubmed-meshheading:16437378-Diagnosis, Differential, pubmed-meshheading:16437378-Disease Progression, pubmed-meshheading:16437378-Female, pubmed-meshheading:16437378-Gene Expression Regulation, Neoplastic, pubmed-meshheading:16437378-Humans, pubmed-meshheading:16437378-Immunohistochemistry, pubmed-meshheading:16437378-Metallothionein, pubmed-meshheading:16437378-Middle Aged, pubmed-meshheading:16437378-Ovarian Neoplasms, pubmed-meshheading:16437378-Tumor Markers, Biological, pubmed-meshheading:16437378-Tumor Suppressor Protein p53
pubmed:year
2006
pubmed:articleTitle
Clinicopathological study of metallothionein immunohistochemical expression, in benign, borderline and malignant ovarian epithelial tumors.
pubmed:affiliation
Department of Pathology, Medical School, University of Ioannina, Ioannina, Greece.
pubmed:publicationType
Journal Article