Abstract:
:The c-met oncogene encodes the receptor for hepatocyte growth factor/scatter factor (HGF/SF), a multifunctional cytokine able to mediate morphogenesis as well as mitogenesis, motogenesis and invasiveness of epithelial cells. HGF/SF has been implicated in branching tubulogenesis of the developing kidney and in regeneration after renal injury and nephrectomy. We have examined the expression of the met/HGF receptor in normal human kidney and tissues of the genito-urinary tract, and in 50 kidney neoplasms of different histotypes, using monoclonal antibodies (MAbs) against the met/HGF receptor and immunohistochemistry. In normal kidneys, weak staining restricted to the distal tubules was observed. Transitional cell carcinomas were consistently negative, whereas increased expression at various levels was found in 87% of renal cell carcinomas with different cytological features and histological patterns. Western blot analysis of samples showed that the met/HGF receptor found in the malignant cells exhibits features of the normal receptor. The met/HGF receptor is also overexpressed in a renal cell carcinoma cell line, whose motility is triggered by HGF/SF. Our data suggest that expression of the met/HGF receptor may be involved in the onset and progression of renal cell carcinomas.
journal_name
Int J Cancerjournal_title
International journal of cancerauthors
Natali PG,Prat M,Nicotra MR,Bigotti A,Olivero M,Comoglio PM,Di Renzo MFdoi
10.1002/(SICI)1097-0215(19960621)69:3<212::AID-IJCsubject
Has Abstractpub_date
1996-06-21 00:00:00pages
212-7issue
3eissn
0020-7136issn
1097-0215pii
10.1002/(SICI)1097-0215(19960621)69:3<212::AID-IJCjournal_volume
69pub_type
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journal_title:International journal of cancer
pub_type: 杂志文章,评审
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journal_title:International journal of cancer
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