Patent ID: 6881571

Claim:
A device for identifying at least one differentially spliced gene product, wherein said device comprises a solid support material and single-stranded oligonucleotides of between 5 and 100 nucleotides in length attached to said support material, wherein said oligonucleotides comprise at least a first and a second oligonucleotide molecule arranged serially on the support material, wherein said first oligonucleotide molecule comprises a first sequence that is complementary to and specific for an exon or an intron of a first gene, and wherein said first sequence corresponds to a region of variability in at least one product of said first gene due to differential splicing, and wherein said second oligonucleotide molecule comprises a second sequence that is complementary to and specific for an exon-exon or exon-intron junction region of said first gene, and wherein said second sequence corresponds to a region of variability in at least one product of said first gene due to differential splicing, said device allowing, when contacted with a sample containing at least one nucleic acid molecule under conditions allowing hybridisation to occur, the determination of the presence or absence of said differentially spliced gene product.