Identification of gene clusters differentially expressed during the cellular injury responses (CIR) to cisplatin

Abstract

The goal of this study was to identify changes in mRNA levels in tumour cells after a toxic exposure to cisplatin (IC₉₉dose). Using suppression-subtractive hybridization (SSH) 2 cDNA libraries were created, an UP library (202 cDNA fragments) and a DOWN library (153 cDNA fragments). Using reversed Northern hybridization 16 and 30 fragments were truly differentially expressed in the UP and DOWN libraries, respectively. Most prominent in the UP library were the mitochondrial and injury response clusters and in the DOWN library the cytoskeletal, protein synthesis and signalling clusters. These distinct clusters potentially represent an expression profile of the cisplatin-induced cellular injury response. © 2001 Cancer Research Campaign  http://www.bjcancer.com

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