sig.ggi {genefu} | R Documentation

## Gene expression Grade Index (GGI) as published in Sotiriou et al. 2006

### Description

List of 128 affymetrix hgu133a probesets representing 97 unique genes included in the GGI signature. The "EntrezGene.ID" column allows for mapping and "grade" defines the up-regulation of the expressions either in histological grade 1 or 3.

### Usage

    data(sig.ggi)

### Format

`sig.ggi` is a matrix with 9 columns containing the annotations and information related to the signature itself.

### Source

http://jnci.oxfordjournals.org/cgi/content/full/98/4/262/DC1

### References

Sotiriou C, Wirapati P, Loi S, Harris A, Bergh J, Smeds J, Farmer P, Praz V, Haibe-Kains B, Lallemand F, Buyse M, Piccart MJ and Delorenzi M (2006) "Gene expression profiling in breast cancer: Understanding the molecular basis of histologic grade to improve prognosis", Journal of National Cancer Institute, 98:262–272

### Examples

    data(sig.ggi)
    head(sig.ggi)

[Package genefu version 2.20.0 Index]