Abstract:
BACKGROUND:Metallothioneins (MT) are endogenous metalloproteins involved in the homeostasis of essential metals and detoxification of toxic metals. Some recent experimental studies suggested tumor resistance to cisdiamminedichloroplatin may be associated with overexpression of MT in the tumor. METHODS:The presence of MT in 33 primary testicular germ cell tumor specimens was assessed immunohistochemically using a rabbit polyclonal rat liver MT antibody that cross-reacted with human MT. The data were correlated with the patients' clinical course. RESULTS:Seminomas stained weakly or not at all for MT, regardless of the clinical stage. Most nonseminomas stained heavily for MT. The more advanced staged nonseminomas tended to stain more heavily for MT. CONCLUSIONS:In view of the considerable experimental evidence as well as some inferential clinical data involving MT in cis-diamminedichloroplatin resistance, there appears to be a role for MT in cis-diamminedichloroplatin resistance in germ cell tumors. Further studies to elucidate the role of MT in germ cell tumor chemoresistance are warranted.
journal_name
Cancerjournal_title
Cancerauthors
Chin JL,Banerjee D,Kadhim SA,Kontozoglou TE,Chauvin PJ,Cherian MGdoi
10.1002/1097-0142(19931115)72:10<3029::aid-cncr282subject
Has Abstractpub_date
1993-11-15 00:00:00pages
3029-35issue
10eissn
0008-543Xissn
1097-0142journal_volume
72pub_type
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