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Braz. J. Pharm. Sci. (Online) ; 59: e21182, 2023. tab, graf
Article in English | LILACS | ID: biblio-1429967


Abstract Suanzaoren Decoction (SZRD) is an ancient prescription used in the treatment of insomnia. This study aimed to investigate the components and targets of SZRD in treating insomnia. First, the compounds of five herbs in SZRD were collected from the Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform (TCMSP), and the putative targets for treating insomnia were obtained from DrugBank to construct the herb-compound-target- disease network. A protein-protein interaction (PPI) network was constructed in the STRING database, and then Gene Ontology functional enrichment and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis were performed to predict the mechanism of action of intersection target. Finally, 30 mice were divided into five groups: control, model, and quercetin groups (100, 50, 25 mg/kg). The sleep latency and duration of pentobarbital-induced sleeping were measured. The production of interleukin-6 (IL-6) and γ-aminobutyric acid (γ-GABA) was detected by using an enzyme-linked immunosorbent assay kit (ELISA), and Gamma-aminobutyric acid type a receptor subunit alpha1 (GABRA1) was tested by Reverse Transcription-Polymerase Chain Reaction (RT-PCR). A total of 152 active ingredients, including 80 putative targets of SZRD, were obtained. The main active compounds included quercetin and kaempferol, and the key targets involved IL-6 and nitric oxide synthase 3 (NOS3). The results of pathway enrichment analysis indicated that the putative targets of SZRD mainly participated in Neuroactive ligand-receptor interaction. The experiment of P-chlorophenylalanine (PCPA)-induced insomnia model showed that quercetin obviously shortened the sleep latency and prolonged the sleep duration of the insomnia model. The production of IL-6, γ-GABA, and GABRA1 mRNA was significantly increased in mice treated with quercetin. This study predicted the active ingredients and potential targets of SZRD on insomnia on the basis of a systematic network pharmacology approach and illustrated that SZRD might exert hypnotic effects via regulating IL-6, γ-GABA, and GABRA1

Animals , Male , Female , Rats , Plant Extracts/pharmacology , Sleep Initiation and Maintenance Disorders/classification , Pentobarbital/analysis , Quercetin/adverse effects , Kaempferols/adverse effects
China Tropical Medicine ; (12): 1206-2022.
Article in Chinese | WPRIM | ID: wpr-973823


@#Abstract: Toxoplasma gondii, an opportunistic pathogenic protozoan, is widely distributed worldwide and can cause zoonoses, which is a serious threat to human health. Nowadays, the relationship between T. gondii infection and neuropsychiatric diseases has attracted researchers' attention increasingly. T. gondii infection is related to the pathogenesis of many neuropsychiatric diseases by affecting the nervous system, such as schizophrenia, depression, Alzheimer's disease, and so on. This review will focus on the relationship between T. gondii infection and neuropsychiatric diseases and summarizes the possible mechanisms of disorders resulting from T. gondii infection. It is expected that the study on the related pathogenic mechanism of T. gondii will lead to new therapeutic directions and feasible solution for the clinical treatment of neuropsychiatric diseases caused by T. gondii infection.