Mini Review

Cancer Gene Therapy (2009) 16, 807–809; doi:10.1038/cgt.2009.53; published online 28 August 2009

Comparative assessment of siRNA and shRNA off target effects: what is slowing clinical development

D D Rao1, N Senzer1,2, M A Cleary3 and J Nemunaitis1,2

  1. 1Gradalis Inc., Dallas, TX, USA
  2. 2Mary Crowley Cancer Research Centers, Dallas, TX, USA
  3. 3Rosetta Inpharmatics LLC, a wholly owned subsidiary of Merck & Co. Inc., Seattle, WA, USA

Correspondence: Dr J Nemunaitis, Executive Medical Director, Mary Crowley Cancer Research Centers, 1700 Pacific Ave., Suite 1100, Dallas, TX 75201, USA. E-mail: jnemunaitis@marycrowley.org

Received 9 March 2009; Revised 27 June 2009; Accepted 8 July 2009; Published online 28 August 2009.

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Abstract

This review considers comparisons of the off-target effects of siRNA to shRNA and their potential impact on the efficacy and toxicity of RNAi based therapeutics.

Keywords:

RNAi, siRNA, shRNA, miRNA, cancer therapy

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