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  • Title: In vivo immunopharmacological properties of tuftsin and four analogs.
    Author: Kraus-Berthier L, Rémond G, Visalli M, Héno D, Portevin B, Vincent M.
    Journal: Immunopharmacology; 1993; 25(3):261-7. PubMed ID: 8354642.
    Abstract:
    Four analogs of the natural macrophage-activator peptide tuftsin (T-K-P-R) were synthesized with the aim of obtaining compounds more effective in the stimulation of the immune system than tuftsin. Modifications to the parent tuftsin molecule were (i) substitution of the proline (P) residue, and/or (ii) replacement of the N-terminal residue threonine (T). The study presented here shows that the integrity of the NH2 terminus is not mandatory for a full biological tuftsin-like activity. Our data also suggest that the analogue F-(psi)-K-ABO-R, where ABO is a non-natural amino acid, is a promising agent for immunotherapy of infectious and neoplasic diseases for which tuftsin has already demonstrated some efficacy.
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