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Synthesis, biological evaluation and molecular modeling studies of novel 1,2,3-triazole-linked menadione-furan derivatives as P2X7 inhibitors

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Abstract

The P2X7 receptor (P2X7R) is an ion channel that promotes the passage of ions through the membrane through brief stimulation once activated by ATP, its endogenous opener. However, prolonged stimulation with ATP, which occurs in pathological processes, opens a nonselective pore in the plasma membrane, allowing the passage of large molecules and leading to cytokine release or even cell death. In this sense, the search for new inhibitors for this receptor has attracted a great deal of attention in recent years. Considering the booming of biomass upgrading reactions in recent years and the continued efforts to synthesize biologically active molecules containing the 1,2,3-triazole ring, in the present work, we aimed to investigate whether triazole-linked menadione-furan derivatives could present P2X7R inhibitory activity. The novel compounds were tested for their inhibitory activity on ATP-induced dye uptake in peritoneal macrophages. Some have shown promising results, having displayed IC50 values lower than that of the P2X7R inhibitor BBG. Molecular docking studies also indicated that the active compounds bind to an allosteric site on P2X7R, presenting potential P2X7R inhibition.

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Data availability

The authors declare that all data supporting the findings of this study are available within the article and its supplementary information files.

Abbreviations

ATP:

Adenosine triphosphate

ATPe:

Extracelular ATP

BBG:

Brilliant Blue G

CINC-1:

Cytokine-induced neutrophil chemoattractant-1

Da:

Dalton

DMSO:

Dimethyl sulfoxide

FBS:

Fetal bovine serum

FP:

Hybrid substances nomenclature

IL-1β:

Interleukin-1β

IL-6:

Interleukin-6

P2X7R:

P2X7 Receptor

PBS:

Phosphate-Buffered Saline

PI:

Propidium iodide

TNF-α:

Tumor necrosis fator alfa

Tx:

Triton X-100

VEGF:

Vascular endothelial growth factor

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Acknowledgements

We thank the IOC, LABTOXo and LAPSA for their support.

Funding

The fellowships granted by CNPq (301873/2019–4, 308755/2018–9 and 306011/2020–4), CAPES (Financial Code 001) and FAPERJ (E-26/203.246/2017, E-26/211.025/2019, E-26/200.982/2021, E-26/203.191/2017, E-26/202.800/2017, E-26/010.101106/2018, E-26/200.870/2021, E-26/201.369/2021 and SEI-260003/001178/2020) are gratefully acknowledged.

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Authors

Contributions

J.P. S.S and J.V.F.- these authors did the biological assays. R.C.B.R. and M.L.B.—these authors did the in-silico assays. C.G.S.L., F.P. P., A.A.B.—these authors synthetized the molecules. D.R.P., M.G.M., L.S.M.F., V.F.F., and F.C.S.—these authors—prepare the figures, coordinated the synthesis assays, wrote, and revised the paper. R.X.F.—this author revised the biological assays, wrote, and revised the paper.

Corresponding authors

Correspondence to Robson X. Faria or Fernando de C. da Silva.

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All procedures performed in studies involving animals followed the institution's ethical standards or practice at which the studies were conducted.

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The authors declare no competing interests.

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dos Santos, J.P.S., Ribeiro, R.C.B., Faria, J.V. et al. Synthesis, biological evaluation and molecular modeling studies of novel 1,2,3-triazole-linked menadione-furan derivatives as P2X7 inhibitors. J Bioenerg Biomembr 54, 227–239 (2022). https://doi.org/10.1007/s10863-022-09947-2

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  • DOI: https://doi.org/10.1007/s10863-022-09947-2

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