Gene delivery

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Non-viral methods include physical methods such as electroporation, microinjection, gene gun, impalefection, hydrostatic pressure, continuous infusion, and sonication and chemical, such as lipofection. It can also include the use of polymeric gene carriers (polyplexes).[2]

Virus mediated gene delivery utilizes the ability of a virus to inject its DNA inside a host cell. A gene that is intended for delivery is packaged into a replication-deficient viral particle. Viruses used to date include retrovirus, adenovirus, adeno-associated virus and herpes simplex virus. However, there are drawbacks to using viruses to deliver genes into cells. Viruses can only deliver very small pieces of DNA into the cells, it is labor-intensive and there are risks of random insertion sites, cytophathic effects and mutagenesis.


  1. ^ Kamimura K, Suda T, Zhang G, et al. (2011). "Advances in Gene Delivery Systems". Pharm Med 25 (5): 293–306. doi:10.2165/11594020-000000000-00000. 
  2. ^ Saul JM, Linnes MP, Ratner BD, Giachelli CM, Pun SH (November 2007). "Delivery of non-viral gene carriers from sphere-templated fibrin scaffolds for sustained transgene expression". Biomaterials 28 (31): 4705–16. doi:10.1016/j.biomaterials.2007.07.026. PMID 17675152. 

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