Synthesis and Infarction-Limiting Properties of Peptide Agonists of Opioid Receptors
- Authors: Tsibul’nikov S.Y.1, Mukhomedzyanov A.V.1, Maslov L.N.1, Ovchinnikov M.V.2, Sidorova M.V.2, Kudryavtseva E.V.2, Bushov Y.V.3, Lishmanov Y.B.1, Khaliulin I.4
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Affiliations:
- Cardiology Research Institute, Tomsk National Research Medical Center
- Peptide Synthesis Company
- Tomsk State University
- University of Bristol
- Issue: Vol 52, No 4 (2018)
- Pages: 291-293
- Section: Search for New Drugs
- URL: https://journals.rcsi.science/0091-150X/article/view/245142
- DOI: https://doi.org/10.1007/s11094-018-1808-3
- ID: 245142
Cite item
Abstract
Three structurally different peptide agonists of opioid receptors, i.e., gludalan, deltolei, and dalargin, were synthesized and assessed for infarction-limiting effects in rats with coronary occlusion (45 min) and reperfusion (2 h). The opioid peptides dalargin and gludalan (0.1 mg/kg) and deltolei (0.03, 0.1, and 0.2 mg/kg) were injected 5 min before reperfusion. It was found that gludalan and deltolei at a dose of 0.1 mg/kg decreased the ratio of infarction size to the area at risk (IS/AAR) whereas dalargin did not affect the IS. The infarction-limiting effect of deltolei disappeared if the peptide dose was decreased (0.03 mg/kg) or increased (0.2 mg/kg). The opioid receptor antagonists naltrexone (5 mg/kg) or naloxone methiodide (5 mg/kg), which does not penetrate the blood—brain barrier, eliminated the infarction-limiting effect of gludalan.
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About the authors
S. Yu. Tsibul’nikov
Cardiology Research Institute, Tomsk National Research Medical Center
Email: chem@folium.ru
Russian Federation, Tomsk, 634009
A. V. Mukhomedzyanov
Cardiology Research Institute, Tomsk National Research Medical Center
Email: chem@folium.ru
Russian Federation, Tomsk, 634009
L. N. Maslov
Cardiology Research Institute, Tomsk National Research Medical Center
Email: chem@folium.ru
Russian Federation, Tomsk, 634009
M. V. Ovchinnikov
Peptide Synthesis Company
Email: chem@folium.ru
Russian Federation, Moscow, 121552
M. V. Sidorova
Peptide Synthesis Company
Email: chem@folium.ru
Russian Federation, Moscow, 121552
E. V. Kudryavtseva
Peptide Synthesis Company
Email: chem@folium.ru
Russian Federation, Moscow, 121552
Yu. V. Bushov
Tomsk State University
Email: chem@folium.ru
Russian Federation, Tomsk, 634050
Yu. B. Lishmanov
Cardiology Research Institute, Tomsk National Research Medical Center
Email: chem@folium.ru
Russian Federation, Tomsk, 634009
I. Khaliulin
University of Bristol
Email: chem@folium.ru
United Kingdom, Bristol, BS8 1TH