NOVEL METHODS OF USE OF TETRAHYDROBERBERINE (THB)
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United States of America Patent
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May 2, 2011
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May 3, 2010
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Abstract
Tetrahydroberberine (THB), isolated from the Chinese herb “Corydalis ambigua”, exhibits a variety of pharmacological effects, although mechanisms of action are unclear or entirely unknown. Described herein are novel methods of using tetrahydroberberine (THB), THB analogs or derivatives, tetrahydroprotoberberines (THPB). Tetrahydroberberine (THB) and analogs such as l-stepholidine (l-SPD) potently block functional KATP channels natively expressed on midbrain dopamine neurons. Further, THB also blocks pancreatic β-cell KATP channels, and can be developed to a novel drugs for treating disease and/or conditions such as diabetes and Parkinson's disease.
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