期刊
CHEMICAL BIOLOGY & DRUG DESIGN
卷 86, 期 2, 页码 156-162出版社
WILEY
DOI: 10.1111/cbdd.12479
关键词
analgesic; Ca(V)2.2; conotoxin; multitarget ligands; opioid; pain
资金
- OTKA, Budapest, Hungary [K108518]
- [TAMOP-4.2.2.A-11/1/KONV-2012-0024]
N-type voltage-dependent Ca2+ channels (Ca(V)2.2) are located at nerve endings in the central and peripheral nervous systems and are strongly associated with the pathological processes of cerebral ischaemia and neuropathic pain. Ca(V)2.2 blockers such as the omega-conotoxin MVIIA (Prialt) are analgesic and have opioid-sparing effects. With the aim to develop new multitarget analgesic compounds, we designed the first omega-conotoxin/opioid peptidomimetics based on the enkephalin-like sequence Tyr-D-Ala-Gly-Phe (for the opioid portion) and two fragments derived from the loop-2 pharmacophore of omega-conotoxin MVIIA. Antinociceptive activity evaluated in vitro and in vivo revealed differential affinity for Ca(V)2.2 and opioid receptors and no significant synergistic activity.
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