SAN DIEGO, Sept. 6 /PRNewswire/ -- Aviva Systems Biology (ASB) announced today the immediate availability of new mouse promoter array system, M8K ChIP- GLAS (Chomatin Immunoprecipitation-Guided Ligation And Selection). M8K ChIP- GLAS products provide an unprecedented degree of assay sensitivity and specificity for customers mapping promoter/transcription factor interactions or determining DNA methylation status examining over 8000 mouse promoters simultaneously.