Piericidin A

- Overview
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    Background
    
    Piericidin A is a mitochondrial complex I inhibitor.
    Complex I, also known as NADH:ubiquinone oxidoreductase, catalyzes the transfer of electrons from NADH to ubiquinone as part of the respiratory chain resulting in ATP generation.
    In vitro: Previous study found that piericidin A could inhibit the electron transport system at two sites. Piericidin A specifically reacted at very low concentrations at a site near the reduced NADH dehydrogenase. At high concentrations, piericidin A inhibited the succinic dehydrogenase system, and the inhibition could be partially reversed by coenzyme Q. Moreover, it was found that both the succinate and NADH oxidase system were inhibited at high levels of piericidin A [1].
    In vivo: Animal study was performed to evaluate the effect of piericidin A and antagonistic effect of vitamin K3 on respiration, blood pressure and heart rate in rats. Results showed that 0.167 mg/kg of piericidin A increased the respiratory rate and the lowered blood pressure rapidly. Furthermore, vitamin K3 (10-40 mg/kg) could restore the responses to piericidin A in rats [2].
    Clinical trial: Up to now, piericidin A is still in the preclinical development stage.
    
    [1] Jeng M, Hall C, Crane FL, Takahashi N, Tamura S, Folkers K. Inhibition of mitochondrial electron transport by piericidin A and related compounds. Biochemistry. 1968 Apr;7(4):1311-22.
    [2] Mitsui T et al. Studies on piericidin antagonistic effect of vitamin K3 on the respiratory chain of insects and mammals in the presence of piericidin A. Agricultural and Biological Chemistry Vol. 34 (1970) No. 7 P 1101-1109
- Properties
  - Alternative Name
    
    AR 054|Shaoguanmycin B|SN 198E; 2-[(2E,5E,7E,11E)-10R-hydroxy-3,7,9R,11-tetramethyl-2,5,7,11-tridecatetraen-1-yl]-5,6-dimethoxy-3-methyl-4-pyridinol
    
    CAS Number
    
    2738-64-9
    
    Molecular Formula
    
    C25H37NO4
    
    Molecular Weight
    
    415.6
    
    Appearance
    
    A solution in ethanol
    
    Purity
    
    Purity ≥95.00%
    
    Solubility
    
    Soluble in DMSO
    
    Storage
    
    Store at -80°C
    
    * For Research Use Only

Piericidin A

Background

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