T-type calcium channel (TTCC) inhibitors hold great potential for the treatment of a variety of neurological disorders. Cochlearoids A-E (1-5), five pairs of dimeric meroterpenoid enantiomers, and cochlearines A (6) and B (7), two pairs of enantiomeric hybrid metabolites, were isolated and characterized from Ganoderma cochlear. Biological evaluation found that compounds (+)-1, (-)-3, and (±)-6 significantly inhibited Cav3.1 TTCC and showed noticeable selectivity against Cav1.2, Cav2.1, Cav2.2, and Kv11.1 (hERG) channels.
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| http://dx.doi.org/10.1021/acs.orglett.5b01353 | DOI Listing |
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