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Traumatic injury to the adult central nervous system initiates a cascade of cellular and trophic events, culminating in the formation of a reactive gliotic scar through which transected axons fail to(More)
The previously described cyclic, delta opioid receptor-selective tetrapeptide H-Tyr-D-Cys-Phe-D-Pen-OH, where Pen, penicillamine, is beta-beta-dimethylcysteine, was modified at residues 2 and 4 by(More)
A series of residue 3-modified analogs of the cyclic, delta-opioid receptor-selective, dermorphin-like tetrapeptide Tyr-D-Cys-Phe-D-Pen and the corresponding residue 4-modified analog of the related(More)
Epoxidation of chalcone (1), using basic hydrogen peroxide, catalysed by polypeptides with defined primary structures demonstrates that the residues in the chain near to the N-terminus determine the(More)