New cannabinoid receptor antagonists as pharmacological tool.

Abstract:

:Synthesis and pharmacological evaluation of a new series of cannabinoid receptor antagonists of indazole ether derivatives have been performed. Pharmacological evaluation includes radioligand binding assays with [3H]-CP55940 for CB1 and CB2 receptors and functional activity for cannabinoid receptors on isolated tissue. In addition, functional activity of the two synthetic cannabinoids antagonists 18 (PGN36) and 17 (PGN38) were carried out in the osteoblastic cell line MC3T3-E1 that is able to express CB2R upon osteogenic conditions. Both antagonists abolished the increase in collagen type I gene expression by the well-known inducer of bone activity, the HU308 agonist. The results of pharmacological tests have revealed that four of these derivatives behave as CB2R cannabinoid antagonists. In particular, the compounds 17 (PGN38) and 18 (PGN36) highlight as promising candidates as pharmacological tools.

journal_name

Bioorg Med Chem

authors

González-Naranjo P,Pérez C,Girón R,Sánchez-Robles EM,Martín-Fontelles MI,Carrillo-López N,Martín-Vírgala J,Naves M,Campillo NE,Páez JA

doi

10.1016/j.bmc.2020.115672

subject

Has Abstract

pub_date

2020-10-01 00:00:00

pages

115672

issue

19

eissn

0968-0896

issn

1464-3391

pii

S0968-0896(20)30502-2

journal_volume

28

pub_type

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