Article (Scientific journals)
The atypical chemokine receptor ACKR3/CXCR7 is a broad-spectrum scavenger for opioid peptides.
Meyrath, Max Marc Roger; Szpakowska, Martyna; Zeiner, Julian et al.
2020In Nature Communications, 11 (1), p. 3033
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Abstract :
[en] Endogenous opioid peptides and prescription opioid drugs modulate pain, anxiety and stress by activating opioid receptors, currently classified into four subtypes. Here we demonstrate that ACKR3/CXCR7, hitherto known as an atypical scavenger receptor for chemokines, is a broad-spectrum scavenger of opioid peptides. Phylogenetically, ACKR3 is intermediate between chemokine and opioid receptors and is present in various brain regions together with classical opioid receptors. Functionally, ACKR3 is a scavenger receptor for a wide variety of opioid peptides, especially enkephalins and dynorphins, reducing their availability for the classical opioid receptors. ACKR3 is not modulated by prescription opioids, but we show that an ACKR3-selective subnanomolar competitor peptide, LIH383, can restrain ACKR3's negative regulatory function on opioid peptides in rat brain and potentiate their activity towards classical receptors, which may open alternative therapeutic avenues for opioid-related disorders. Altogether, our results reveal that ACKR3 is an atypical opioid receptor with cross-family ligand selectivity.
Disciplines :
Biochemistry, biophysics & molecular biology
Author, co-author :
Meyrath, Max Marc Roger ;  Université de Liège - ULiège > FARAH
Szpakowska, Martyna
Zeiner, Julian
Massotte, Laurent
Merz, Myriam P.
Benkel, Tobias
Simon, Katharina
Ohnmacht, Jochen
Turner, Jonathan D.
Krüger, Rejko
Seutin, Vincent ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Pharmacologie
Ollert, Markus
Kostenis, Evi
Chevigné, Andy
More authors (4 more) Less
Language :
English
Title :
The atypical chemokine receptor ACKR3/CXCR7 is a broad-spectrum scavenger for opioid peptides.
Publication date :
19 June 2020
Journal title :
Nature Communications
eISSN :
2041-1723
Publisher :
Nature Publishing Group, United Kingdom
Volume :
11
Issue :
1
Pages :
3033
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 25 June 2020

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