Christopher K Taylor

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The tailed frog Ascaphus truei occupies a unique position in phylogeny as the most primitive extant anuran and is regarded as the sister taxon to the clade of all other living frogs. A previous study led to the isolation of eight antimicrobial peptides, termed ascaphins, from norepinephrine-stimulated skin secretions. Peptidomic analysis (HPLC separation(More)
Peptidomic analysis of an extract of the skin of the stream brown frog Rana sakuraii Matsui and Matsui, 1990 led to the isolation of a C-terminally alpha-amidated peptide (VR-23; VIGSILGALASGLPTLISWIKNR x NH2) with broad-spectrum antimicrobial activity that shows structural similarity to the bee venom peptide, melittin together with two peptides belonging(More)
Human alpha-calcitonin gene-related peptide (CGRP) is a 37-residue neuropeptide that produces a variety of cardiovascular and other effects via activation of specific CGRP receptors that produce cAMP. Functional CGRP receptors are a heterodimeric complex composed of the heptahelical calcitonin receptor-like receptor and the single transmembrane receptor(More)
The success of solid-phase peptide synthesis is often dependent upon solvation of the resin and the growing resin-bound peptide chain. We investigated the relationship between solvent properties and solvation of the resin and peptide-resin in order to obtain satisfactory coupling yields for the rapid solid-phase peptide synthesis, using(More)
Synthesis of the first irreversible calcitonin gene-related peptide receptor antagonists is described. bis-(2-chloroethyl)amino and fluorosulphonyl groups were incorporated into the 4-position of the N-terminal benzoyl group of a potent competitive antagonist, N-alpha-benzoyl-h-alpha-CGRP(8-37) (analogues 4 and 6). Based on previous structure-activity(More)
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