1-(2',5'-Dihydroxyphenyl)-3-(2-fluoro-4-hydroxyphenyl)-1-propanone (RGM079): A Positive Allosteric Modulator of α7 Nicotinic Receptors with Analgesic and Neuroprotective Activity.

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ID: 95779
2019
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Abstract
Acetylcholine α7 nicotinic receptors are widely expressed in the brain, where they are involved in the central processing of pain as well as in neuropsychiatric, neurodegenerative, and inflammatory processes. Positive allosteric modulators (PAMs) show the advantage of allowing the selective regulation of different subtypes of acetylcholine receptors without directly interacting with the agonist binding site. Here, we report the preparation and biological activity of a fluoro-containing compound, 1-(2',5'-dihydroxyphenyl)-3-(2-fluoro-4-hydroxyphenyl)-1-propanone (, ), that behaves as a potent PAM of the α7 receptors and has a balanced pharmacokinetic profile and antioxidant properties comparable or even higher than well-known natural polyphenols. In addition, compound shows neuroprotective properties in Alzheimer's disease (AD)-toxicity related models. Thus, it causes a concentration-dependent neuroprotective effect against the toxicity induced by okadaic acid (OA) in the human neuroblastoma cell line SH-SY5Y. Similarly, in primary cultures of rat cortical neurons, is able to restore the cellular viability after exposure to OA and amyloid peptide Aβ, with cell death almost completely prevented at 10 and 30 μM, respectively. Finally, compound shows analgesic activity in the complete Freund's adjuvant (CFA)-induced paw inflammation model after intraperitoneal administration.
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prez-de-vega2019125dihydroxyphenyl32fluoro4hydroxyphenyl1propanoneacs Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Pérez de Vega, María Jesús;Fernandez-Mendivil, Cristina;de la Torre Martínez, Roberto;González-Rodríguez, Sara;Mullet, José;Sala, Francisco;Sala, Salvador;Criado, Manuel;Moreno-Fernández, Silvia;Miguel, Marta;Fernández-Carvajal, Asia;Ferrer-Montiel, Antonio;López, Manuela G;González-Muñiz, Rosario;
Journal ACS chemical neuroscience
Year 2019
DOI
10.1021/acschemneuro.9b00364
URL
Keywords
allosteric modulation neuroprotection analgesia alzheimer’s disease diphenylpropanones α7 nicotinic receptors

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