Abstract:
PURPOSE:The purpose of this study was to examine breast tumors and normal breast tissues for the expression of the glycoprotein lacritin. The mRNA and protein expression of lacritin has been reported to be restricted to the lacrimal gland. METHODS:We investigated 37 human primary invasive breast tumors, seven breast cancer cell lines and 16 normal breast tissues by quantitative real-time PCR for lacritin expression. RESULTS:We detected lacritin transcripts in 51% (19/37) of the primary invasive breast tumors, in 71% (5/7) of the breast cancer cell lines, and also in 56% (9/16) of the normal breast tissues. No lacritin mRNA was detectable in peripheral blood of healthy individuals. CONCLUSIONS:Here we show by quantitative real-time PCR that lacritin is expressed in human breast tumors, breast cancer cell lines, and normal breast. The previously reported restricted expression pattern of lacritin is therefore incorrect. Lacritin transcripts were not detected in peripheral blood which makes lacritin a potential candidate as a breast cancer marker gene.
journal_name
J Cancer Res Clin Oncoljournal_title
Journal of cancer research and clinical oncologyauthors
Weigelt B,Bosma AJ,van 't Veer LJdoi
10.1007/s00432-003-0514-ysubject
Has Abstractpub_date
2003-12-01 00:00:00pages
735-6issue
12eissn
0171-5216issn
1432-1335journal_volume
129pub_type
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journal_title:Journal of cancer research and clinical oncology
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journal_title:Journal of cancer research and clinical oncology
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journal_title:Journal of cancer research and clinical oncology
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journal_title:Journal of cancer research and clinical oncology
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journal_title:Journal of cancer research and clinical oncology
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