MAO-B-IN-11, also known as Compound 8c, is a highly potent inhibitor of monoamine oxidase B (MAO-B), with an IC50 value of 1.3 μM. Additionally, MAO-B-IN-11 exhibits neuroprotective properties [1].
16-epiLatrunculin B, a stereoisomer of the actin polymerization inhibitor latrunculin B, was initially isolated from the Red Sea sponge N. magnifica. At concentrations of 5-10 µg/ml, it disrupts microfilament activity in actin disruption assays and exhibits cytotoxic effects on mouse KA31T and NIH3T3 tumor cells, with GI50 values of 1 and 4 µg/ml, respectively. Furthermore, it shows antiviral activity against herpes simplex type 1 virus, with an ED50 of 1 µg/ml.
Ent-11alpha-Hydroxy-15-oxokaur-16-en-19-oic acid has anti-cancer activity, it induces apoptosis of human malignant cancer cells, it also inhibits hepatocellular carcinoma in vitro and in vivo via stabilizing IkBα.
ent-16-Kaurene-3beta,15beta,18-triol, ent-16-kaurene-3beta,15beta-diol,abbeokutone,and helioscopinolide A possess appreciable anti-allergic activities in RBL-2H3 cells model with IC50 values ranging from 22.5 to 42.2 microM.