Ribosome-inactivating proteins: from plant defense to tumor attack.
Ribosome-inactivating proteins: from plant defense to tumor attack.
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DOI:
10.3390/toxins2112699
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发表时间:
2010-11
期刊:
影响因子:
4.2
通讯作者:
Fabbrini MS
中科院分区:
文献类型:
--
作者:
de Virgilio M;Lombardi A;Caliandro R;Fabbrini MS
Ribosome-inactivating proteins (RIPs) are EC3.2.32.22 N-glycosidases that recognize a universally conserved stem-loop structure in 23S/25S/28S rRNA, depurinating a single adenine (A4324 in rat) and irreversibly blocking protein translation, leading finally to cell death of intoxicated mammalian cells. Ricin, the plant RIP prototype that comprises a catalytic A subunit linked to a galactose-binding lectin B subunit to allow cell surface binding and toxin entry in most mammalian cells, shows a potency in the picomolar range. The most promising way to exploit plant RIPs as weapons against cancer cells is either by designing molecules in which the toxic domains are linked to selective tumor targeting domains or directly delivered as suicide genes for cancer gene therapy. Here, we will provide a comprehensive picture of plant RIPs and discuss successful designs and features of chimeric molecules having therapeutic potential.
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DOI:
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发表时间:
2010-01-01
期刊:
Clinical cancer research : an official journal of the American Association for Cancer Research
影响因子:
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发表时间:
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发表时间:
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