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Western blot analysis of extracts from HeLa cells, transfected with 100 nM SignalSilence® Control siRNA (Unconjugated) #6568 (-) or SignalSilence® hnRNP A0 siRNA I (+), using hnRNP A0 (D8A3) XP® Rabbit mAb #5545 (upper) or α-Tubulin (11H10) Rabbit mAb #2125 (lower). The hnRNP A0 (D8A3) XP® Rabbit mAb confirms silencing of hnRNP A0 expression while the α-Tubulin (11H10) Rabbit mAb is used as a loading control.

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Western blot analysis of extracts from HeLa cells, transfected with 100 nM SignalSilence® Control siRNA (Unconjugated) #6568 (-) or SignalSilence® hnRNP A0 siRNA I (+), using hnRNP A0 (D26A2) Rabbit mAb #5600 (upper) or α-Tubulin (11H10) Rabbit mAb #2125 (lower). The hnRNP A0 (D26A2) Rabbit mAb confirms silencing of hnRNP A0 expression while the α-Tubulin (11H10) Rabbit mAb is used as a loading control.

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Product Usage Information

CST recommends transfection with 100 nM hnRNP A0 siRNA I 48 to 72 hours prior to cell lysis. For transfection procedure, follow protocol provided by the transfection reagent manufacturer. Please feel free to contact CST with any questions on use.

Each vial contains the equivalent of 100 transfections, which corresponds to a final siRNA concentration of 100 nM per transfection in a 24-well plate with a total volume of 300 μl per well.


Storage: SignalSilence® siRNA is supplied in RNAse-free water. Aliquot and store at -20ºC.

Product Description

SignalSilence® hnRNP A0 siRNA I from Cell Signaling Technology (CST) allows the researcher to specifically inhibit hnRNP A0 expression using RNA interference, a method whereby gene expression can be selectively silenced through the delivery of double stranded RNA molecules into the cell. All SignalSilence® siRNA products from CST are rigorously tested in-house and have been shown to reduce protein expression by western analysis.


Quality Control

Oligonucleotide synthesis is monitored base by base through trityl analysis to ensure appropriate coupling efficiency. The oligo is subsequently purified by affinity-solid phase extraction. The annealed RNA duplex is further analyzed by mass spectrometry to verify the exact composition of the duplex. Each lot is compared to the previous lot by mass spectrometry to ensure maximum lot-to-lot consistency.

Heterogeneous nuclear ribonucleoprotein A0 (hnRNP A0) is a member of the hnRNP A/B family of related RNA binding proteins that bind pre-mRNA and are involved in the processing, metabolism, and transport of nuclear pre-mRNA transcripts (1). The A/B subfamily of hnRNP includes A1, A2/B1, A3, and A0. hnRNP A0 is phosphorylated at Ser84 by MAPKAPK-2 in response to LPS treatment in mouse macrophage cells, which might play a key role in stimulating translation of the TNF-α message (2).


1.  Myer, V.E. and Steitz, J.A. (1995) RNA 1, 171-82.

2.  Rousseau, S. et al. (2002) EMBO J 21, 6505-14.


Entrez-Gene Id 10949
Swiss-Prot Acc. Q13151


For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology® is a trademark of Cell Signaling Technology, Inc.
SignalSilence® is a trademark of Cell Signaling Technology, Inc.