ArticleMolecules (Basel, Switzerland)2021
Characterization of the Synergistic Effect between Ligands of Opioid and Free Fatty Acid Receptors in the Mouse Model of Colitis.
Article in Molecules (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed, 3 citations in OpenAlex.
- Opioids and Their Receptors: Present and Emerging Concepts in Opioid Drug Discovery II.Molecules (Basel, Switzerland) · 2022Article
- Infant feces-derivedGut microbesArticle
Corrections and comments
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Authors and funding
14 authors at 1 institution in 1 country.
Funding
Abstract
backgroundRecent studies suggest that lipids, including free fatty acids (FFAs), are necessary for proper μ opioid receptor (MOR) binding and that activation of opioid receptors (ORs) improves intestinal inflammation. The objective of the study was to investigate a possible interaction between the ORs and FFA receptors (FFARs) ligands in the colitis.
methodsThe potential synergistic effect of ORs and FFARs ligands was evaluated using mouse model of acute colitis induced by dextran sulfate sodium (DSS, 4%). Compounds were injected intraperitoneally (i.p.) once or twice daily at the doses of 0.01 or 0.02 mg/kg body weight (BW) (DAMGO-an MOR agonist), 0.3 mg/kg BW (DPDPE-a δ OR (DOR) agonist) and 1 mg/kg BW (naloxone-a non-selective OR antagonist, GLPG 0974-a FFAR2 antagonist, GSK 137647-a FFAR4 agonist and AH 7614-a FFAR4 antagonist) for 4 days.
resultsMyeloperoxidase (MPO) activity was significantly decreased after DAMGO (0.02 mg/kg BW) and GSK 137647 (1 mg/kg BW) administration and co-administration as compared to DSS group.
conclusionsTreatment with ligands of ORs and FFARs may affect the immune cells in the inflammation; however, no significant influence on the severity of colitis and no synergistic effect were observed.
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Registered trials
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