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Effect of exogenous wild type p53 expression on sensitization of lung cancer cell line to cisplatin and cloning of the corresponding genes / 中国肺癌杂志
Chinese Journal of Lung Cancer ; (12): 172-175, 2003.
Article in Chinese | WPRIM | ID: wpr-252362
ABSTRACT
<p><b>BACKGROUND</b>To isolate and clone the cisplatin genes in 801-D cell line, a kind of lung cancer cell line, with the emphasis of the objective genes regulated by wild type p53 (wtp53).</p><p><b>METHODS</b>Total RNA was extracted from transfected 801-D-wtp53, 801-D-vector cells which were both treated by cisplatin and 801-D-wtp53 cells. Using mRNA differential display, the DNA bands on gel were displayed by silver stain method. The DNA bands obtained from differential display were recovered and reamplified by PCR. The isolated genes were further proved by reverse Northern dot blot and were cloned to pGEMT easy vector.</p><p><b>RESULTS</b>Six positive genes were identified and cloned. Out of them, 2 related fragments were found to have an open reading frame. One was partly homologous to ribonucleoside-diphosphate reductase A, and the other was no homologous to the known genes.</p><p><b>CONCLUSIONS</b>There are obvious differences in gene expression in 801-D-wtp53 after induced by cisplatin than two other controls. It is possible for p53 to regulate the sensitization of lung cancer cells to cisplatin through its downstream target genes.</p>
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Lung Cancer Year: 2003 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Lung Cancer Year: 2003 Type: Article