Neuroprotective Effect of the Neuropeptide Cycloprolylglycine Depends on AMPA- and TrkB-Receptor Activation

Overview

Journal Dokl Biochem Biophys

Specialties Biochemistry
Biophysics

Date 2023 Feb 14

PMID 36786983

Authors

T A Gudasheva

K N Koliasnikova

A G Alyaeva

S V Nikolaev

T A Antipova

S B Seredenin

Affiliations

Soon will be listed here.

Abstract

Previously, we have shown that the endogenous neuropeptide cycloprolylglycine (CPG) is the positive modulator of AMPA receptors and revealed the dependence of its anxiolytic and antihypoxic action on BDNF/Trk signaling. In the present work, we for the first time conducted in vitro experiments using the AMPA receptor blockers DNQX and GYKI 52466 and the Trk receptor blocker K252a. It is shown that the neuroprotective effect of CPG depends on the activation of both AMPA and Trk receptors.

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