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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
2006-5-26
pubmed:abstractText
Previous reports have shown that genistein and tyrphostin AG-1478, two tyrosine kinase inhibitors (TKIs), exert multiple cellular effects in prostate carcinoma cells, e.g. a reduction in the production of urokinase plasminogen activator (uPA) and its receptor uPAR, and a decrease in the cells' ability to invade an artificial basement membrane. Microarray technology was used to measure alterations in mRNA levels caused by TKI treatment in two prostatic carcinoma cell lines, PC-3 and DU-145. Genistein treatment led to a reduction of at least 50% in 78 genes in PC-3, while 82 were twofold upregulated. In DU-145, the same treatment resulted in a 50% decreased transcript level in 120 genes, and increased expression in 25 genes. Tyrphostin AG-1478 produced a 50% reduction in mRNA levels in 58 genes in DU-145, whereas no alterations were demonstrated using the tyrphostin in PC-3 cells. Among the effects of TKIs, a lowered uPA and uPAR transcription was demonstrated in genistein-treated cells, while a few metalloproteinases (MMPs) were affected. Transcription of various integrin subunits was also downregulated overall. Several alterations in gene transcription were demonstrated in PC-3 and DU-145 after TKI treatment. This knowledge could be of importance in the search for new therapeutic strategies in prostate cancer treatment, and the interplay between the various effects needs to be investigated further.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0903-4641
pubmed:author
pubmed:issnType
Print
pubmed:volume
114
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
364-71
pubmed:dateRevised
2009-11-19
pubmed:meshHeading
pubmed:year
2006
pubmed:articleTitle
Transcription levels of invasion-related genes in prostate cancer cells are modified by inhibitors of tyrosine kinase.
pubmed:affiliation
Department of Laboratory Medicine, Children's and Women's Health, Faculty of Medicine, Norwegian University of Science and Technology, St. Olav's Hospital, Trondheim, Norway. haakon.skogseth@ntnu.no
pubmed:publicationType
Journal Article