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Hybrid stereoisomers of a compact molecular probe based on a jasmonic acid glucoside: syntheses and biological evaluations.

Abstract：

:12-O-β-D-glucopyranosyl jasmonic acid (JAG) shows unique biological activities, including leaf-closing of Samanea saman. It is expected that the mode of action for such regulation is distinct from that of other jasmonates. We developed high-performance compact molecular probes (CMPs) based on JAG that can be used for the FLAG-tagging of JAG target. We synthesized four hybrid-type JAG-CMP stereoisomers (7, ent-7, 8, and ent-8), which are composed of (-)-12-OH-JA (2)/D-galactopyranoside, (-)-2/L-galactopyranoside, (+)-ent-2/d-galactopyranoside, and (+)-ent-2/L-galactopyranoside moieties, respectively, and we examined their biological features, such as the stereospecific induction of shrinkage, rate of the cellular response, and dependence on potassium channel activity. These features of the JAG-CMPs were completely consistent with those of the original JAG. These results indicate the biological equivalence of JAG and the JAG-CMPs. During the course of such biological evaluations, it was revealed that the biological activity of the CMPs is greatly dependent on the d/l-stereochemistry of a glycon moiety. To the best of our knowledge, this is the first study suggesting that the d/l-stereochemistry of the glycon moiety significantly affects the biological activity of the associated glycoside.

journal_name

Bioorg Med Chem

journal_title

Bioorganic & medicinal chemistry

authors

Ueda M,Yang G,Ishimaru Y,Itabashi T,Tamura S,Kiyota H,Kuwahara S,Inomata S,Shoji M,Sugai T

doi

10.1016/j.bmc.2012.08.003

subject

Has Abstract

pub_date

2012-10-01 00:00:00

pages

5832-43

issue

19

eissn

0968-0896

issn

1464-3391

pii

S0968-0896(12)00616-5

journal_volume

20

pub_type

杂志文章

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