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6376
SignalSilence® cdc2 siRNA
siRNA

SignalSilence® cdc2 siRNA #6376

This product is discontinued

Western Blotting

Western blot analysis of extracts from HeLa cells, transfected with control (-) or cdc2 (+) siRNA. cdc2 was detected using cdc2 (POH1) Monoclonal Antibody#9116, and p42 was detected using p42 MAPK (3A7) Monoclonal Antibody #9107. cdc2 (POH1) Monoclonal Antibody confirms silencing of cdc2 expression, and p42 MAPK (3A7) Monoclonal Antibody is used to control for loading and specificity of cdc2 siRNA.

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Fluorescent Detection

Fluorescent detection of SignalSilence® Control siRNA (Fluorescein Conjugate) #6201 in living HeLa cells 24 hours post-transfection, demonstrating nearly 100% transfection efficiency.

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CST recommends transfection with 50-100 nM cdc2 siRNA 48 hours prior to cell lysis. See protocol for transfection procedure.

Storage:

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

SignalSilence® cdc2 siRNA from Cell Signaling Technology allows the researcher to specifically inhibit cdc2 expression using RNA interference, a method in which gene expression can be selectively silenced through the delivery of double stranded RNA molecules into the cell. All SignalSilence® siRNA products are rigorously tested in-house and have been shown to reduce protein expression in specified cell lines.

The entry of eukaryotic cells into mitosis is regulated by cdc2 kinase activation, a process controlled at several steps including cyclin binding and phosphorylation of cdc2 at Thr161 (1). However, the critical regulatory step in activating cdc2 during progression into mitosis appears to be dephosphorylation of cdc2 at Thr14 and Tyr15 (2). Phosphorylation at Thr14 and Tyr15, resulting in inhibition of cdc2, can be carried out by Wee1 and Myt1 protein kinases (3,4). The cdc25 phosphatase may be responsible for removal of phosphates at Thr14 and Tyr15 and subsequent activation of cdc2 (1,5).

RNA interference has been used to specifically silence cdc2 expression in HeLa cells, resulting in cell cycle arrest prior to spindle formation (7).

  1. Atherton-Fessler, S. et al. (1994) Mol Biol Cell 5, 989-1001.
  2. Norbury, C. et al. (1991) EMBO J 10, 3321-9.
  3. McGowan, C.H. and Russell, P. (1993) EMBO J 12, 75-85.
  4. Wells, N.J. et al. (1999) J Cell Sci 112 ( Pt 19), 3361-71.
  5. Hunter, T. (1995) Cell 80, 225-36.
  6. Harborth, J. et al. (2001) J Cell Sci 114, 4557-65.
Entrez-Gene Id
983
Swiss-Prot Acc.
P06493
For Research Use Only. Not For Use In Diagnostic Procedures.

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
SignalSilence is a registered trademark of Cell Signaling Technology, Inc.
Limited Use Label License, RNA interference: This product is licensed under European Patent 1144623 and foreign equivalents from Ribopharma AG, Kulmbach, Germany and is provided only for use in non-commercial research specifically excluding use (a) in drug discovery or drug development, including target identification or target validation, by or on behalf of a commercial entity, (b) for contract research or commercial screening services, (c) for the production or manufacture of siRNA-related products for sale, or (d) for the generation of commercial databases for sale to Third Parties. Information about licenses for these and other commercial uses is available from Ribopharma AG, Fritz-Hornschuch-Str. 9, D-95326 Kulmbach, Germany.

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