1510
In the present study , we have isolated and sequenced several p15E cDNA gene fragments amplified by means of polymerase chain reaction ( PCR ) from parental ( P815 ) and xenogenized ( P815 / DTIC ) tumour cells .
 GENE: p15E cDNA gene fragments
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: p15E cDNA gene fragments