12.07.2015 Views

Oncology Probes

Oncology Probes

Oncology Probes

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RNA LABELINGAMPLIFICATION AND aRNA LABELING KITSaRNA Labeling KitsThe Universal Linkage System (ULS) allows direct labeling ofunmodified, amplified RNA (aRNA). Specific aRNA labeling kitsare both available for the use with commercial platforms fromAgilent, Affymetrix ® (Genechips ® ) and CombiMatrix, and forthe use with self-spotted DNA arrays.RNA ampULSe KitsThe RNA ampULSe kit combines two successful technologies.The aRNA is generated with Ambion’s MessageAmp II aRNAamplification reagents followed by non-enzymatic labelingwith KREATECH’s proprietary Universal Linkage System (ULS)technology. Specific ampULSe kits are both available for theuse with commercial platforms from Agilent, Affymetrix ®(Genechips ® ) and CombiMatrix, and for the use with selfspottedDNA arraysUnique features of aRNA Labeling Kits• Higher yields of unmodified aRNA compared to modifiedaRNA• Storage of unmodified aRNA for subsequent use possible• No waste of labeled material; label only the amount aRNAneeded• Reduced labeling cost per hybridization when usingmultiple arrays per slideHigher yields of unmodified aRNA as compared to modified aRNALower cost if multiple arrays per slide are used160unmodified aRNAmodified aRNA100ULS labelingEnzymatic labelingaRNA yield (µg)140120100806040200HeLa U2OS JurkatHuman samples (starting with 5 µg total RNA)Relative costs per sample(compared to 1 array/slide)90807060504030201001 2 4 8 12Number of arrays on 1 slideRNA LabelingUnmodified antisense RNA (aRNA) vs. modified aRNACosts for ULS labeling of unmodified aRNA vs. costs for enzymatic labelinggenerating modified aRNA106

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