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Raman Multiplexers For Alternative Gene Splicing, Lan Sun, Chenxu Yu, Joseph Irudayaraj
Raman Multiplexers For Alternative Gene Splicing, Lan Sun, Chenxu Yu, Joseph Irudayaraj
Chenxu Yu
Nonfluorescent labels were used for an array-format multiplex detection of alternative splice junctions of breast cancer susceptibility gene 1 (BRCA1) by surface-enhanced Raman scattering (SERS). A four-plex detection scheme using nonfluorescent labels was demonstrated for DNA sequences specific to four BRCA1 alternative splice variants: Δ(11q) (the last 3309 nt deleted from exon 11), Δ(9, 10) (exon 9 and 10 deleted), Δ(5) (exon 5 deleted), and Δ(5q, 6) (the last 22 nt of exon 5 and the entire exon 6 is deleted). This is the first proof-of-concept study to apply SERS-based detection using nonfluorescent labels to investigate alternative gene splicing. Detection …