The GLOBINclear™-Human Kit uses a novel, non-enzymatic technology that rapidly depletes >95% of the alpha and beta globin mRNA from total RNA preparations derived from whole blood. Advantages of the GLOBINclear™-Human Kit:
• Removes >95% of unwanted globin mRNA from whole blood total RNA • Detects up to 50% more genes—analyze previously undetected genes • Achieves greater representation of the genome, low 3'/5' ratios • Avoids RNase H treatments that can degrade mRNA and alter expression profiles
Using whole blood total RNA samples It is widely known that expression array data generated from whole blood total RNA samples have reduced detection sensitivity compared to data from fractionated blood samples. Examination of whole blood total RNA reveals a dominant band in the 600–700 base region. This band represents globin mRNA, which is expressed at high levels in red blood cells (RBCs) and reticulocytes (RBC precursors). Up to 70% of the mRNA (by mass) in whole blood total RNA are globin transcripts. Array analysis using total RNA containing a high percentage of globin mRNA has been shown to decrease present calls, decrease call concordance, and increase signal variation.
Using the GLOBINclear Kit The GLOBINclear™ kit uses a novel hybridization technology that takes advantage of the strength of biotin/streptavidin binding, the specificity of nucleic acid hybridization, and the convenience of magnetic separations. There are no harsh RNase H enzymatic treatments that may compromise the expression profile by degrading mRNAs other than globin mRNA. The resulting mRNA is a superior template for synthesizing labeled cDNA for array analysis and is ideal for quantitative RT-PCR. The enrichment delivers a significant increase in Percent Present calls, decreased sample-to-sample variability, and low 3'/5' ratios.
Accessory product The kit requires the use of a magnetic stand. The DynaMag-2 Magnetic Stand (Cat. No. 12321D) is recommended.
For Research Use Only. Not for use in diagnostic procedures.