3-Normeridamycin: A Potent Non-Immunosuppressive Immunophilin Ligand is Neuroprotective in Dopaminergic Neurons

The Journal of Antibiotics
2006.0

Abstract

3-Normeridamycin (1), isolated from fermentation extracts of the soil actinomycete Streptomyces sp. LL-C31037, demonstrated potent neuroprotective activity. When challenged with the neurotoxin 1-methyl-4-phenylpyridinium (MPP+), known to induce parkinsonism, 1 restored functional dopamine uptake in a concentration-dependent manner, with an EC50 of 110 nM in dopaminergic neurons. The structure of 1 was determined via spectroscopic methods, and the immunosuppressive and immunophilin binding properties of the compound were also measured.

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