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Updated: May 27, 2026
06:29
Methods for Quantitative Detection of Antibody-induced Complement Activation on Red Blood Cells
Published on: January 29, 2014
Isolated compounds from black bean inhibit the classical pathway of the complement
Hyung-In Moon1, Kyoung-Sook Kim, Young-Choon Lee
1Department of Medicinal Biotechnology, College of Natural Resources and Life Science, Dong-A University , Busan , South Korea.
Immunopharmacology and Immunotoxicology
|November 30, 2011
Summary
Black beans contain compounds that can inhibit the classical pathway of the complement system. One isolated compound demonstrated significant anticomplement activity, offering potential therapeutic applications.
Area of Science:
- Natural Product Chemistry
- Immunology
- Pharmacology
Background:
- The complement system is crucial in innate immunity.
- Dysregulation of the complement system is implicated in various diseases.
- Natural products are a source of novel therapeutic compounds.
Purpose of the Study:
- To isolate and identify compounds from black beans.
- To evaluate the anticomplement effects of these compounds on the classical pathway.
- To report the anticomplement activity of black bean constituents.
Main Methods:
- Column chromatography was used for compound isolation.
- In vitro assays were performed to assess anticomplement activity.
- The classical pathway of the complement system was targeted.
Main Results:
- Four compounds were isolated from black bean.
- Compound 3 exhibited inhibitory activity against the complement system.
- The 50% inhibitory concentration (IC50) for compound 3 was 98.2 μg/ml.
Conclusions:
- This study is the first to report anticomplement activity of isolated compounds from black beans.
- Compound 3 shows potential as a modulator of the classical complement pathway.
- Further research into black bean compounds may yield new immunomodulatory agents.
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