SANTA CLARA, Calif.--(BUSINESS WIRE)--Affymetrix Inc. (Nasdaq:AFFX) today announced that the Genetic Association Information Network (GAIN) will use the recently launched Genome-Wide Human SNP Array 6.0 for a series of studies designed to identify the genetic causes of common, complex diseases such as schizophrenia and bipolar disorder. Launched in February 2006, GAIN is a unique public-private medical research partnership between the Foundation for the National Institutes of Health (FNIH), the National Institutes of Health (NIH) and Pfizer Global Research and Development.