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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

Notoginsenoside R1 Promotes the Growth of Neonatal Rat Cortical Neurons via the Wnt/β-catenin Signaling Pathway.

Abstract Source:

CNS Neurol Disord Drug Targets. 2018 ;17(7):547-556. PMID: 29992896

Abstract Author(s):

Xing-Tong Li, Wei Ma, Xian-Bin Wang, Zhang Liang, Jin-Wei Yang, Yuan He, Yun-Fei Dai, Tong Zhang, Jia-Wei Wang, Kuang-Pin Liu, Xiang-Peng Wang, Xing-Kui Zhang, Chun-Yan Li, Jun-Jun Li, Hong-Yan Tang, Ping Su, Jian-Hui Guo, Li-Yan Li

Article Affiliation:

Xing-Tong Li

Abstract:

BACKGROUND & OBJECTIVE: Notoginsenoside R1 (NGR1) is one of the main effective components of Panax notoginseng.

METHOD: Primary cortical neurons were harvested from neonatal rats and cultured to analyze the role of NGR1 in neuronal growth and the effects of NGR1 on the Wnt/β-catenin signaling pathway. Following treatment with NGR1, immunocytochemistry was used to detect expression of Tuj1 and MAP2, and RT-qPCR was used to measure mRNA levels of key factors in the Wnt signaling pathway.

RESULTS: Results showed that NGR1 promotes growth of cultured neurons and significantly upregulates mRNA levels ofβ-catenin, Dishevelled, and Frizzled. To further confirm whether NGR1 promoted cortical neuron growth via the Wnt/β-catenin signaling pathway, we knocked down β- catenin mRNA by siRNA interference; following NGR1 treatment of β-catenin-knockdown neurons, β-catenin mRNA levels increased significantly.

CONCLUSION: In conclusion, these results demonstrate that NGR1 promotes growth of cultured cortical neurons from the neonatal rat, possibly via the Wnt/β-catenin signaling pathway.

Study Type : In Vitro Study

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Depression: 21st Century Solutions + The Dark Side of Wheat

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