Studies on the structure-activity relationship of 2',6'-dimethyl-l-tyrosine (Dmt) derivatives: bioactivity profile of H-Dmt-NH-CH(3).

Abstract:

:The 2',6'-dimethyl-l-tyrosine (Dmt) enhances receptor affinity, functional bioactivity and in vivo analgesia of opioid peptides. To further investigate its direct influence on these opioid parameters, we developed a series of compounds (H-Dmt-NH-X). Among them, H-Dmt-NH-CH(3) showed the highest affinity (K(i)mu=7.45 nM) equal to that of morphine, partial mu-opioid agonism (E(max)=66.6%) in vitro and a moderate antinociception in mice.

journal_name

Bioorg Med Chem Lett

authors

Fujita Y,Tsuda Y,Motoyama T,Li T,Miyazaki A,Yokoi T,Sasaki Y,Ambo A,Niizuma H,Jinsmaa Y,Bryant SD,Lazarus LH,Okada Y

doi

10.1016/j.bmcl.2004.11.040

subject

Has Abstract

pub_date

2005-02-01 00:00:00

pages

599-602

issue

3

eissn

0960-894X

issn

1464-3405

pii

S0960-894X(04)01398-8

journal_volume

15

pub_type

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