Thirty-five ragweed-sensitive patients received immunotherapy with either alum-precipitated aqueous extracts (AP) or modified ragweedtyrosine adsorbate vaccine (Pollinex-R). Symptoms decreased with AP therapy only. Immunologically, there was a blunted specific IgE response and little specific IgG
Glutaraldehyde-modified, tyrosine-adsorbed ragweed extract (GTR) is a modification of allergen extract to reduce allergenicity but retain immunogenicity. We evaluated the clinical efficacy and immunologic changes associated with the administration of GTR (16,350 protein nitrogen units) or placebo to
The solution conformation of short ragweed allergen Ra5, a protein of 45 amino acid residues cross-linked with four disulfide bridges, has been investigated by 1H NMR spectroscopy at 500 MHz. The aromatic region, which contains resonances from three tyrosines and two tryptophans, has been partially
BACKGROUND
The glyphosate-resistant rapid response (GR RR) resistance mechanism in Ambrosia trifida is not due to target-site resistance (TSR) mechanisms. This study explores the physiology of the rapid response and the possibility of reduced translocation and vacuolar sequestration as
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