Chapter title |
Delivery of phosphorodiamidate morpholino antisense oligomers in cancer cells.
|
---|---|
Chapter number | 19 |
Book title |
Gene Therapy of Cancer
|
Published in |
Methods in molecular biology, February 2009
|
DOI | 10.1007/978-1-59745-561-9_19 |
Pubmed ID | |
Book ISBNs |
978-1-934115-85-5, 978-1-59745-561-9
|
Authors |
Devi, Gayathri R, Devi, Gayathri R., Gayathri R. Devi |
Abstract |
Phosphorodiamidate morpholino oligomers (PMO), which have a neutral chemistry, are extensively being used as tools for selective inhibition of gene expression in cell culture models and are currently in human clinical trials. PMO oligomers possess a unique structure, in which the deoxyribose moiety of DNA is replaced with a six-membered morpholine ring and the charged phosphodiester internucleoside linkages are replaced with neutral phosphorodiamidate linkages. PMO internalization in uptake-permissive cells has been observed to be specific, saturable, and energy-dependent, suggesting a receptor-mediated uptake mechanism. Understanding PMO transport should facilitate the design of more effective synthetic antisense oligomers as therapeutic agents. |
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