A receptor tyrosine kinase, UFO/Axl, and other genes isolated by a modified differential display PCR are overexpressed in metastatic prostatic carcinoma cell line DU145.
We have used a modified differential display PCR protocol for isolating 3' restriction fragments of cDNAs specifically expressed or overexpressed in metastatic prostate carcinoma cell line DU145. Several cDNA fragments were identified that matched to milk fat globule protein, UFO/Axl, a receptor tyrosine kinase, human homologue of a Xenopus maternal transcript, laminin and laminin receptor, human carcinoma-associated antigen, and some expressed sequence tags. The transcript for milk fat globule protein, a marker protein shown to be overexpressed in breast tumors, was elevated in DU145 cells. The expression of UFO/Axl, a receptor tyrosine kinase, was considerably higher in DU145 cells as compared to normal prostate cells and prostatic carcinoma cell line PC-3. The overexpression of UFO oncogene in DU145 cells is discussed in the context of prostate cancer metastasis.
Jacob
A N
AN
Fels Institute for Cancer Research and Molecular Biology, Temple University School of Medicine, Philadelphia, Pennsylvania 19140, USA.
Kalapurakal
J
J
Davidson
W R
WR
Kandpal
G
G
Dunson
N
N
Prashar
Y
Y
Kandpal
R P
RP
D017931:DNA Primers; D018076:DNA, Complementary / Q000302:isolation & purification*; D003626:Data Display; D015972:Gene Expression Regulation, Neoplastic; D006801:Humans; D008297:Male; D009362:Neoplasm Metastasis; D016133:Polymerase Chain Reaction / Q000379:methods; D011471:Prostatic Neoplasms / Q000235:genetics* / Q000473:pathology; D012334:RNA, Neoplasm / Q000235:genetics / Q000302:isolation & purification; D020794:Receptor Protein-Tyrosine Kinases / Q000235:genetics / Q000378:metabolism*; D015183:Restriction Mapping; D014158:Transcription, Genetic; D014407:Tumor Cells, Cultured
D017931:DNA Primers; D018076:DNA, Complementary; D012334:RNA, Neoplasm; D020794:Receptor Protein-Tyrosine Kinases