Dataset Information

Detecting Schisandrae Chinensis Fructus and Its Chinese Patent Medicines with a Nucleotide Signature.

ABSTRACT: Schisandrae Chinensis Fructus (Wuweizi) is often adulterated with Schisandrae Sphenantherae Fructus (Nanwuweizi) in the herbal market. This adulteration is a threat to clinical treatment and safety. In this study, we aimed to develop a nucleotide signature for the identification of Wuweizi and its Chinese patent medicines based on the mini-DNA barcoding technique. We collected 49 samples to obtain internal transcribed spacer 2 (ITS2) sequences and developed a 26-bp nucleotide signature (5'-CGCTTTGCGACGCTCCCCTCCCTCCC-3') on the basis of a single nucleotide polymorphism (SNP) site within the ITS2 region that is unique to Wuweizi. Then, using the nucleotide signature, we investigated 27 batches of commercial crude drug samples labeled as Wuweizi and eight batches of Chinese patent medicines containing Wuweizi. Results showed that eight commercial crude drug samples were adulterants and one of the Chinese patent medicines contained adulterants. The nucleotide signature can serve as an effective tool for identifying Wuweizi and its Chinese patent medicines and can thus be used to ensure clinical drug safety.

SUBMITTER: Jiang W

PROVIDER: S-EPMC6562420 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Detecting Schisandrae Chinensis Fructus and Its Chinese Patent Medicines with a Nucleotide Signature.

Jiang Wenjun W Ren Li L Guo Mengyue M Mantri Nitin N Zhao Sha S Pang Xiaohui X

Genes 20190522 5

Schisandrae Chinensis Fructus (Wuweizi) is often adulterated with Schisandrae Sphenantherae Fructus (Nanwuweizi) in the herbal market. This adulteration is a threat to clinical treatment and safety. In this study, we aimed to develop a nucleotide signature for the identification of Wuweizi and its Chinese patent medicines based on the mini-DNA barcoding technique. We collected 49 samples to obtain internal transcribed spacer 2 (ITS2) sequences and developed a 26-bp nucleotide signa ...[more]

PMID: 31121984

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Project description:This study attempted to filter active components with antioxidant activities based on the differing antioxidant abilities of Schisandrae Sphenantherae Fructus (SSF) and Schisandrae Chinensis Fructus (SCF). First, the antioxidant activity of SSF and SCF was evaluated through the DPPH free radical scavenging method and compared with the half maximal inhibitory concentration (IC50) value. Next, components of SSF and SCF were detected by employing ultrahigh-performance liquid chromatography-Q-Exactive Orbitrap mass spectrometry (UPLC-QEO/MS) technology, and differential compounds were screened out as potential antioxidant compounds by using Compound Discover 3.1 Software. After that step, in order to verify the antioxidant compounds, the network method was applied. Biological targets were searched in the GeneCards database, and that related to antioxidant ability were selected in the Comparative Toxicogenomics Database (CTD). Finally, the pharmacology network was constructed. Results showed that SSF and SCF possessed different compounds and antioxidant abilities. A total of 14 differential compounds such as γ-schizandrin, schisandrin B, schisandrin, and tigloylgomisin H between them were screened out and identified. Twenty targets associated with antioxidant activity contained MAP2K1, MAPK8, RPS6KB1, PRKCB, HIF1A, and so on were investigated. Thirty-six pathways contained HIF-1 signaling pathways, choline metabolism in cancer, serotonergic synapse, Fc epsilon RI signaling pathway, GnRH signaling pathway, and so on related to the above twenty targets were identified. The pharmacology network analysis indicated that the differential components may be helpful in treating various diseases, especially cancer, by exerting antioxidant activity. In conclusion, this study provided a novel method for identifying active components with antioxidant activity in SSF and SCF, and this method may be applicable for the filtration of bioactive components in other herbs.

Dataset Information

Detecting Schisandrae Chinensis Fructus and Its Chinese Patent Medicines with a Nucleotide Signature.

Publications

Detecting <i>Schisandrae Chinensis Fructus</i> and Its Chinese Patent Medicines with a Nucleotide Signature.

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