scholarly journals The 5-HT1A Receptor Full Agonist, 8-OH-DPAT Inhibits ACTH-Induced 5-HT2A Receptor Hyperfunction in Rats: Involvement of 5-HT1A Receptors in the DOI-Induced Wet-Dog Shakes in ACTH-Treated Rats

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Kouhei Kitagawa ◽  
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...  
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...  

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P.M. Sher ◽  
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K.M. Poss ◽  
P.J. McCann ◽  
...  

2006 ◽  
Vol 49 (23) ◽  
pp. 6848-6857 ◽  
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Juan Pablo Cueva ◽  
Gianfabio Giorgioni ◽  
Russell A. Grubbs ◽  
Benjamin R. Chemel ◽  
Val J. Watts ◽  
...  

1993 ◽  
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R. Neuhaus ◽  
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M. Hillmann ◽  
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HARUNOBU NISHIZAKI ◽  
OSAMU MATSUOKA ◽  
MEGURU ACHIRA ◽  
TOMOYA KAGAWA ◽  
MASANORI WATANABE ◽  
...  

Marine Drugs ◽  
2019 ◽  
Vol 17 (2) ◽  
pp. 110 ◽  
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Enrico D’Aniello ◽  
Fabio Iannotti ◽  
Lauren Falkenberg ◽  
Andrea Martella ◽  
Alessandra Gentile ◽  
...  

The nuclear receptors (NRs) RARα, RXRα, PPARα, and PPARγ represent promising pharmacological targets for the treatment of neurodegenerative diseases. In the search for molecules able to simultaneously target all the above-mentioned NRs, we screened an in-house developed molecular database using a ligand-based approach, identifying (−)-Muqubilin (Muq), a cyclic peroxide norterpene from a marine sponge, as a potential hit. The ability of this compound to stably and effectively bind these NRs was assessed by molecular docking and molecular dynamics simulations. Muq recapitulated all the main interactions of a canonical full agonist for RXRα and both PPARα and PPARγ, whereas the binding mode toward RARα showed peculiar features potentially impairing its activity as full agonist. Luciferase assays confirmed that Muq acts as a full agonist for RXRα, PPARα, and PPARγ with an activity in the low- to sub-micromolar range. On the other hand, in the case of RAR, a very weak agonist activity was observed in the micromolar range. Quite surprisingly, we found that Muq is a positive allosteric modulator for RARα, as both luciferase assays and in vivo analysis using a zebrafish transgenic retinoic acid (RA) reporter line showed that co-administration of Muq with RA produced a potent synergistic enhancement of RARα activation and RA signaling.


2020 ◽  
Vol 63 (18) ◽  
pp. 10352-10379
Author(s):  
Hideki Furukawa ◽  
Yasufumi Miyamoto ◽  
Yasuhiro Hirata ◽  
Koji Watanabe ◽  
Yuko Hitomi ◽  
...  
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