Targeting ricin to the ribosome.

作者: Kerrie L. May , Qing Yan , Nilgun E. Tumer

DOI: 10.1016/J.TOXICON.2013.02.001

关键词:

摘要: Abstract The plant toxin ricin is highly toxic for mammalian cells and of concern bioterrorism. Ricin belongs to a family functionally related toxins, collectively referred as ribosome inactivating proteins (RIPs), which disable ribosomes halt protein synthesis. Currently there are no specific antidotes against or RIPs. catalytic subunit an N-glycosidase that depurinates universally conserved adenine residue within the sarcin/ricin loop (SRL) 28S rRNA. This depurination activity inhibits translation its biochemistry has been intensively studied. Yet, recent developments paint more complex picture toxicity, with ribosomal cellular signaling pathways contributing potency ricin. In particular, several studies have now established importance stalk structure in facilitating specificity other review highlights defining toxin–ribosome interactions examines significance these toxicity therapeutic intervention.

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