Prodrugs to enhance central nervous system effects of the TRH-like peptide pGlu-Glu-Pro-NH2.

Abstract:

:Potential prodrugs for the TRH-like tripeptide pGlu-Glu-Pro-NH(2) were synthesized either by esterifying the Glu side-chain of the parent peptide in solution with alcohols in the presence of resin-bound dicyclohexylcarbodiimide or by solid-phase peptide chemistry. Affinities of these ester prodrugs to lipid membranes as predictors of the transport across the blood-brain barrier were compared by immobilized artificial membrane chromatography, and prodrug activation was tested in the brain tissue of experimental animals. Esters of pGlu-Glu-Pro-NH(2) with long-chain primary alcohols emerged as potentially useful prodrugs to improve the central nervous system activity of pGlu-Glu-Pro-NH(2) upon systemic administration, as revealed by the enhancement of analeptic activity in mice.

journal_name

Bioorg Med Chem Lett

authors

Prokai-Tatrai K,Nguyen V,Zharikova AD,Braddy AC,Stevens SM,Prokai L

doi

10.1016/s0960-894x(03)00081-7

subject

Has Abstract

pub_date

2003-03-24 00:00:00

pages

1011-4

issue

6

eissn

0960-894X

issn

1464-3405

pii

S0960894X03000817

journal_volume

13

pub_type

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