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Triterpenoids with neurotrophic activity from Ganoderma lucidum.
Xiao-Qi Zhang1, Fanny C F Ip, Dong-Mei Zhang
1Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou 510632, PR China.
A new triterpenoid from Ganoderma lucidum promotes neuronal survival. This compound and others demonstrated nerve growth factor-like and brain-derived neurotrophic factor-like activities, suggesting potential therapeutic applications.
Area of Science:
- Natural Products Chemistry
- Neuroscience
- Pharmacology
Background:
- Ganoderma lucidum, a medicinal mushroom, is a rich source of bioactive compounds.
- Triterpenoids are a class of compounds known for diverse biological activities.
- Neuronal survival is crucial for brain health and function.
Purpose of the Study:
- To isolate and characterize novel and known triterpenoids from Ganoderma lucidum.
- To investigate the neurotrophic effects of isolated compounds.
- To identify compounds with nerve growth factor (NGF)-like and brain-derived neurotrophic factor (BDNF)-like activities.
Main Methods:
- Isolation of compounds using chromatographic techniques.
- Structure elucidation via extensive spectroscopic analyses (NMR, MS).
- Bioassays to assess neuronal survival-promoting effects.
Main Results:
- A new triterpenoid, 4,4,14α-trimethyl-5α-chol-7,9(11)-dien-3-oxo-24-oic acid (1), was identified.
- Compounds 1 and methyl ganoderic acid B (5) exhibited NGF-like neuronal survival effects.
- Compounds 1, and 4-7 displayed BDNF-like neuronal survival activities.
Conclusions:
- The new triterpenoid and known compounds from Ganoderma lucidum possess significant neurotrophic potential.
- These findings highlight Ganoderma lucidum as a valuable source for neuroprotective agents.
- Further research may explore the therapeutic applications of these triterpenoids in neurological disorders.
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