Unknown,Transcriptomics,Genomics,Proteomics

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Genetic instability in colon cancer


ABSTRACT: Experimental set accompanying Giacomini et al publication "A legacy gene-expression signature of genetic instability in colon cancer". Includes 18 colon cancer cell line training set, 13 colon cancer cell line test set, and 3 cell lines (HCT116, HCT116+ch2, HCT116+ch3) used to evaluate signature after correcting underlying genetic instability. Experiments were performed by comparing mRNA from each colon cancer cell line (Cy5; channel 2) to a "universal" mRNA reference (Cy3; channel 1). A disease state experiment design type is where the state of some disease such as infection, pathology, syndrome, etc is studied. Series type: disease_state_design Series_overall_design: Using regression correlation

ORGANISM(S): Homo sapiens

SUBMITTER: Jonathan Pollack 

PROVIDER: E-GEOD-2591 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

A gene expression signature of genetic instability in colon cancer.

Giacomini Craig P CP   Leung Suet Yi SY   Chen Xin X   Yuen Siu Tsan ST   Kim Young H YH   Bair Eric E   Pollack Jonathan R JR  

Cancer research 20051001 20


Genetic instability plays a central role in the development and progression of human cancer. Two major classes of genetic instability, microsatellite instability (MSI) and chromosome instability (microsatellite stable; MSS), are best understood in the context of colon cancer, where MSI tumors represent approximately 15% of cases, and compared with MSS tumors, more often arise in the proximal colon and display favorable clinical outcome. To further explore molecular differences, we profiled gene  ...[more]

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