Alteration of p15 and p16 gene in gastric cancer
Fushida, S.; Yonemura, Y.; Kawamura, T.; Nojima, N.; Satoh, T.; Fujita, H.; Michiwa, Y.; Fujimura, T.; Nishimura, G.; Miwa, K.; Miyazaki, I.
Gan to Kagaku Ryoho. Cancer and ChemoTherapy 24(Suppl 2): 279-284
1997
ISSN/ISBN: 0385-0684 PMID: 9263516 Document Number: 470518
We analyzed p15 and p16 gene alterations in gastric cancer. Only MKN45 showed both homozygous deletions but other cell lines and all of tumor specimens did not show any alterations. Using RT-PCR analysis, decreased or no expression of the p16 gene was found in 1 of 7 cell lines (except MKN45) (14.2%) and in 8 of 20 tumors (40%), whereas no abnormalities of p15 gene expression were found. These results suggest that the p16 gene may correlate with tumorigenesis and tumor expansion due to decrease or loss of gene products in gastric cancer.