Lessons learned from vivo-morpholinos: How to avoid vivo-morpholino toxicity.
Lessons learned from vivo-morpholinos: How to avoid vivo-morpholino toxicity.
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DOI:
10.2144/000114167
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发表时间:
2014-05
期刊:
影响因子:
2.7
通讯作者:
Lightfoot JT
中科院分区:
文献类型:
--
作者:
Ferguson DP;Dangott LJ;Lightfoot JT
Vivo-morpholinos are a promising tool for gene silencing. These oligonucleotide analogs transiently silence genes by blocking either translation or pre-mRNA splicing. Little to no toxicity has been reported for vivo-morpholino treatment. However, in a recent study conducted in our lab, treatment of mice with vivo-morpholinos resulted in high mortality rates. We hypothesized that the deaths were the result of oligonucleotide hybridization, causing an increased cationic charge associated with the dendrimer delivery moiety of the vivo-morpholino. The cationic charge increased blood clot formation in whole blood treated with vivo-morpholinos, suggesting that clotting could have caused cardiac arrest in the deceased mice. Therefore, we investigate the mechanism by which some vivo-morpholinos increase mortality rates and propose techniques to alleviate vivo-morpholino toxicity.
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