protoberberine

Coralyne chloride is a protoberberine with strong anticancer activity. It can be used to prepare Coralyne derivatives, a fluorescent DNA-based molecular rectifier built into DNA duplexes through site-specific insertion. It acts as a topoisomerase I toxic molecule, inducing topoisomerase I-mediated DNA cleavage.

8-Keto-berberine is a non-naturally occurring 11, 12-oxygenated protoberberine. It is a derivative from naturally occurring 9, 10-oxygenated protoberberine.

Ophiocarpine is a protoberberine alkaloid.

Jatrorrhizine (neprotin) is a protoberberine alkaloid isolated from Enantia chlorantha (Annonaceae) and other species. It was found to have antimicrobial and antifungal activity. It binds and noncompetitively inhibits monoamine oxidase (IC50 4 micromolar for MAO-A and 62 for MAO-B).

Stylopine is a protoberberine-type alkaloid that has potential biological activities, including anti-inflammatory activity.

HWY-289, a semisynthetic protoberberine derivative, exhibits broad-spectrum and potent activities against phytopathogenic fungi, especially Botrytis cinerea (EC 50 = 1.34 μg mL). It alters the morphology of the mycelium and the internal structure of cells while decreasing ATP content, ATPase activities, and key enzyme activities in the TCA cycle [1].

Groenlandicine is a protoberberine alkaloid from Coptidis Rhizoma. Groenlandicine exhibits moderate inhibitory effect with IC50 value of 154.2 μM for human recombinant aldose reductase (HRAR). Groenlandicine selectively induces topoisomerase I-mediated DN