Abstract
Certain spiders contain large pools of polyamine toxins, which are putative pharmacological tools awaiting further discovery. Here we present a general synthesis strategy for this class of toxins and prepare five structurally varied polyamine toxins. Electrophysiological testing at three ionotropic glutamate receptor subtypes reveals that two of these, Nephila polyamine toxins 1 (NPTX-1) and 8 (NPTX-8), comprise intriguing pharmacological activities by having subnanomolar IC(50) values at kainate receptors.
Original language | English |
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Journal | Journal of Medicinal Chemistry |
Volume | 55 |
Issue number | 22 |
Pages (from-to) | 10297-10301 |
Number of pages | 5 |
ISSN | 0022-2623 |
DOIs | |
Publication status | Published - 26 Nov 2012 |
Keywords
- Animals
- Asparagine
- Indoleacetic Acids
- Molecular Structure
- Polyamines
- Receptors, Ionotropic Glutamate
- Receptors, Kainic Acid
- Spider Venoms
- Spiders
- Structure-Activity Relationship
- Toxins, Biological
- beta-Alanine