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A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products
Published on: October 4, 2019
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Diterpenoids with thioredoxin reductase inhibitory activities from Jatropha multifida
Jian-Yong Zhu1, Chun-Yang Zhang1, Jing-Jing Dai2
1a Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai , P. R. China.
Natural Product Research
|March 11, 2017
Summary
Researchers isolated nine diterpenoids from Jatropha multifida, with two showing potent inhibition of thioredoxin reductase (TrxR), a key target in cancer therapy.
Area of Science:
- Natural Product Chemistry
- Medicinal Chemistry
- Pharmacology
Background:
- Jatropha multifida is a plant source of diverse chemical compounds.
- Thioredoxin reductase (TrxR) plays a crucial role in cellular redox balance and is a promising target for cancer chemotherapy.
- Identifying novel TrxR inhibitors is essential for developing new cancer treatments.
Purpose of the Study:
- To isolate and characterize diterpenoids from Jatropha multifida.
- To evaluate the inhibitory activity of these diterpenoids against thioredoxin reductase (TrxR).
- To explore the potential of Jatropha multifida diterpenoids as anticancer agents.
Main Methods:
- Chemical investigation involving isolation and purification of compounds from Jatropha multifida.
- Structural elucidation using spectroscopic analysis (e.g., NMR, MS) and Circular Dichroism (CD) analysis for absolute configuration.
- In vitro screening of isolated diterpenoids for inhibitory activity against thioredoxin reductase (TrxR).
Main Results:
- Nine diterpenoids, including a new jatromulone A, were isolated.
- Compounds 6 and 7 displayed significant inhibitory activity against TrxR, with IC50 values of 23.4 μM and 10.6 μM, respectively, outperforming the positive control curcumin (25.0 μM).
- Diterpenoids 2-9 were reported from J. multifida for the first time.
Conclusions:
- Jatropha multifida is a valuable source of bioactive diterpenoids.
- Compounds 6 and 7 demonstrate promising TrxR inhibitory potential, suggesting their utility in cancer chemotherapy development.
- Further research into these diterpenoids could lead to novel therapeutic strategies targeting redox pathways in cancer.
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