[BioC] Probe Interrogation Positions of Affy chips

James W. MacDonald jmacdon at med.umich.edu
Fri Dec 1 15:11:05 CET 2006

Hi Benjamin,

botto wrote:
> Hi,
> that is more a question of interest:
>  Affymetrix provides the probe interrogation positions and they can be
> found in the corresponding "probe" package of each chip. But is this in
> respect to the currently used methods and aside from displaying/matching
> the probes at the correct chromosomal location only for the sake of
> completeness? Or is there in fact some analysis method (background
> correction, normalization, investigation etc.) which makes use of this
> information?

I don't know of any method that uses the chromosomal position in 
computing expression values.



> regards,
> Benjamin

James W. MacDonald, M.S.
Affymetrix and cDNA Microarray Core
University of Michigan Cancer Center
1500 E. Medical Center Drive
7410 CCGC
Ann Arbor MI 48109

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