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  • Title: [Detoxification mechanism of Aconiti Lateralis Radix Praeparata combined with dried Rehmanniae Radix based on metabolic enzymes in liver].
    Author: Li QH, Shan WT, Ju AX, Zhao J.
    Journal: Zhongguo Zhong Yao Za Zhi; 2020 Aug; 45(16):3961-3966. PubMed ID: 32893595.
    Abstract:
    The enzymes CYP1 A2 and CYP3 A4 were measured by building a "Cocktail" probe drug and the incubation system of liver microsomes. The compatibility of Aconiti Lateralis Radix Praeparata combined with dried Rehmanniae Radix on CYP450 enzyme protein and gene expression was explored from the level of protein and molecular biology. It explored the molecular mechanism of compatibility detoxication of Aconiti Lateralis Radix Praeparata to provide scientific support for clinical safe and effective application of Aconiti Lateralis Radix Praeparata. The CYP450 enzyme activity was determined by using "Cocktail" probe drugs. The content of CYP450 enzyme was measured by CO reduction of differential spectrum method. The mRNA expression of CYP1 A2 and CYP3 A4 enzyme was detected by RT-PCR technology. Compared with the blank group, the CYP1 A2 and CYP3 A4 enzyme activity and mRNA expression were increased in the dried Rehmanniae Radix combined with Aconiti Lateralis Radix Praeparata group with significant differences(P<0.05), while the CYP3 A4 enzyme activity and mRNA expression were no influence in the Aconiti Lateralis Radix Praeparata group. The CYP3 A4 enzyme activity and mRNA expression were increased in the dried Rehmanniae Radix and the dried Rehmanniae Radix combined with Aconiti Lateralis Radix Praeparata group, and there were significant differences(P<0.05). The content of CYP450 enzyme was decreased in the Aconiti Lateralis Radix Praeparata group, contributed to extremely significant difference(P<0.01). The content of CYP450 enzyme was increased in the dried Rehmanniae Radix and the dried Rehmanniae Radix combined with Aconiti Lateralis Radix Praeparata group, and there were significant differences(P<0.05). The CYP1 A2 and CYP3 A4 enzyme activity and gene expression were enhanced after dried Rehmanniae Radix combined with Aconiti Lateralis Radix Praeparata. The metabolism of toxic ingredients of Aconiti Lateralis Radix Praeparata was accelerated to reach an effect of detoxication. The detoxication mechanism of compatibility of Aconiti Lateralis Radix Praeparata was verified from the viewpoint of liver metabolic enzymes.
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