Abstract:
:N-type voltage-dependent Ca(2+) channels (CaV 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. CaV 2.2 blockers such as the ω-conotoxin MVIIA (Prialt) are analgesic and have opioid-sparing effects. With the aim to develop new multitarget analgesic compounds, we designed the first ω-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 ω-conotoxin MVIIA. Antinociceptive activity evaluated in vitro and in vivo revealed differential affinity for CaV 2.2 and opioid receptors and no significant synergistic activity.
journal_name
Chem Biol Drug Desjournal_title
Chemical biology & drug designauthors
Mollica A,Costante R,Novellino E,Stefanucci A,Pieretti S,Zador F,Samavati R,Borsodi A,Benyhe S,Vetter I,Lewis RJdoi
10.1111/cbdd.12479subject
Has Abstractpub_date
2015-08-01 00:00:00pages
156-62issue
2eissn
1747-0277issn
1747-0285journal_volume
86pub_type
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