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005     20240228134943.0
024 7 _ |a 10.18632/oncotarget.2385
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037 _ _ |a DKFZ-2017-00231
041 _ _ |a eng
082 _ _ |a 610
100 1 _ |a Baccelli, Irène
|0 P:(DE-HGF)0
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|e First author
245 _ _ |a Co-expression of MET and CD47 is a novel prognosticator for survival of luminal breast cancer patients.
260 _ _ |a [S.l.]
|c 2014
|b Impact Journals LLC
336 7 _ |a article
|2 DRIVER
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336 7 _ |a ARTICLE
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336 7 _ |a Journal Article
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520 _ _ |a Although luminal-type primary breast cancer can be efficiently treated, development of metastatic disease remains a significant clinical problem. We have previously shown that luminal-type circulating tumor cells (CTCs) co-expressing the tyrosine-kinase MET and CD47, a ligand involved in cancer cell evasion from macrophage scavenging, are able to initiate metastasis in xenografts. Here, we investigated the clinical relevance of MET-CD47 co-expression in 255 hormone receptor positive breast tumors by immunohistochemistry and found a 10.3- year mean overall-survival difference between MET-CD47 double-positive and double-negative patients (p<0.001) MET-CD47 co-expression defined a novel independent prognosticator for overall-survival by multivariate analysis (Cox proportional hazards model: HR: 4.1, p<0.002) and CD47 expression alone or in combination with MET was strongly associated with lymph node metastasis. Furthermore, flow cytometric analysis of metastatic patient blood revealed consistent presence of MET+CD47+ CTCs (range 0.8 - 33.3% of CTCs) and their frequency was associated with increased metastatic spread. Finally, primary uncultured CTCs with high MET+CD47+ content showed an enhanced capacity to initiate metastasis in mice. Detection and targeting of MET and CD47 may thus provide a rational basis for risk stratification and treatment of patients with luminal-type breast cancer.
536 _ _ |a 311 - Signalling pathways, cell and tumor biology (POF3-311)
|0 G:(DE-HGF)POF3-311
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650 _ 7 |a Antigens, CD47
|2 NLM Chemicals
650 _ 7 |a Biomarkers, Tumor
|2 NLM Chemicals
650 _ 7 |a CD47 protein, human
|2 NLM Chemicals
650 _ 7 |a MET protein, human
|0 EC 2.7.10.1
|2 NLM Chemicals
650 _ 7 |a Proto-Oncogene Proteins c-met
|0 EC 2.7.10.1
|2 NLM Chemicals
700 1 _ |a Stenzinger, Albrecht
|b 1
700 1 _ |a Vogel, Vanessa
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700 1 _ |a Pfitzner, Berit Maria
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700 1 _ |a Klein, Corinna
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700 1 _ |a Wallwiener, Markus
|b 5
700 1 _ |a Scharpff, Martina
|b 6
700 1 _ |a Saini, Massimo
|0 P:(DE-HGF)0
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700 1 _ |a Holland-Letz, Tim
|0 P:(DE-He78)457c042884c901eb0a02c18bb1d30103
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700 1 _ |a Sinn, Hans-Peter
|b 9
700 1 _ |a Schneeweiss, Andreas
|0 P:(DE-HGF)0
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700 1 _ |a Denkert, Carsten
|0 P:(DE-HGF)0
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700 1 _ |a Weichert, Wilko
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700 1 _ |a Trumpp, Andreas
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773 _ _ |a 10.18632/oncotarget.2385
|g Vol. 5, no. 18, p. 8147 - 8160
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