Dimeric beta-turn peptidomimetics as ligands for the neurotrophin receptor TrkC.
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abstract
Twelve dimeric peptidomimetics 1 were prepared via a divergent-convergent strategy. These peptidomimetics incorporated the same amino acids as i +1 and i + 2 residues in key beta-turns of the neurotrophin NT-3. Cytosensor microphysiometry was used to gauge the effects of the dimers 1 on cells that overexpress the NT-3 receptor, TrkC. Increases in extracellular acidification rates were observed for some monomers 3, but the active dimers gave greater effects.