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Transcription profiling of human A549 NSCLC cells cisplatin induced changes


ABSTRACT: Affymetrix high-density oligonucleotide microarray analysis was performed to analyse cisplatin-induced gene expression changes in A549 NSCLC cells. Cells were treated with 50 µM of cisplatin for 1 hour and incubated for a further 10 hours in drug-free media before the gene expression changes were investigated. Results show that cisplatin induced changes in the expression of genes involved in apoptosis, cell cycle control, DNA repair and transcription. Experiment Overall Design: Gene expression changes in response to cisplatin were analysed by Microarray technology in A549 NSCLC cells. Cells were treated with 50 µM of cisplatin (or drug-free media) for 1 hour and incubated for a further 10 hours in drug-free media before the cisplatin-induced gene expression changes were investigated. Control and cisplatin-treated samples were collected from three independent experiments.

ORGANISM(S): Homo sapiens

SUBMITTER: Gabriela Almeida 

PROVIDER: E-GEOD-6410 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Multiple end-point analysis reveals cisplatin damage tolerance to be a chemoresistance mechanism in a NSCLC model: implications for predictive testing.

Almeida Gabriela M GM   Duarte Tiago L TL   Farmer Peter B PB   Steward William P WP   Jones George D D GD  

International journal of cancer 20080401 8


Systemic chemotherapy is extensively used in cancer therapy, however, for many treatments' response rates are limited. Furthermore, certain regimens are frequently associated with significant morbidity and occasional mortality. Consequently, when alternative options exist, it is desirable to reserve a particular chemotherapy for those patients whose tumours will respond. Therefore, attention is turning to the development of techniques that could provide predictive information regarding a tumour'  ...[more]

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