Investigating the mechanism of Qifu Yin in ameliorating memory disorders through pseudo-targeted lipidomics.

IF 3 4区生物学 Q3 BIOCHEMISTRY & MOLECULAR BIOLOGY

Molecular omics Pub Date : 2024-11-29 DOI:10.1039/d4mo00141a

Fuxia Zhao, Jing Wang, Minjun Wu, Jiaqi Fan, Shiqi Liu, Fanying Deng, Shihui Wang, Yangang Cheng, Yan Wang

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引用次数: 0

Abstract

Memory disorder (MD) is a neurodegenerative disease with an increasing incidence rate that adversely affects the quality of life of patients. Qifu Yin (QFY), a classic traditional Chinese medicine formula used for treating dementia, is known for its neuroprotective properties, although its mechanism of action requires further exploration. In this study, D-galactose combined with aluminum chloride was used to establish an MD rat model, and behavior, histopathology, and related indicators were used to evaluate the pharmacodynamics of the formula in the rats. Furthermore, brain tissues were examined using pseudo-targeted lipidomics analysis, and candidate ion pairs were screened through mass spectrometry using UPLC-Q/Orbitrap HRMS. An sMRM detection method for candidate ion pairs was developed using UHPLC-Q-TRAP-MS/MS and validated. This approach was applied to the lipidomics study of QFY in improving MD. Differential metabolites screened through pseudo-targeted lipidomics were analyzed by employing network pharmacology, and the pathway was verified to explore their mechanism of action. Results demonstrated that QFY could improve memory impairment. A total of 1052 ion pairs were constructed in the pseudo-targeted lipidomics analysis, identifying 33 differential metabolites and 5 metabolic pathways. Furthermore, 31 differential metabolites in MD rats treated with QFY were significantly reversed. Immunohistochemical analysis showed that QFY could inhibit the expression of inflammatory factors. Network pharmacological analysis showed that the calcium signaling pathway was the main signaling pathway, and QFY could significantly reverse the expression levels of mRNA and protein. Thus, QFY can improve memory impairment in rats, which may be related to the regulation of oxidative stress, lipid metabolism disorder and the calcium signaling pathway.

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来源期刊

Molecular omics Biochemistry, Genetics and Molecular Biology-Biochemistry

CiteScore

5.40

自引率

3.40%

发文量

期刊介绍： Molecular Omics publishes high-quality research from across the -omics sciences. Topics include, but are not limited to: -omics studies to gain mechanistic insight into biological processes – for example, determining the mode of action of a drug or the basis of a particular phenotype, such as drought tolerance -omics studies for clinical applications with validation, such as finding biomarkers for diagnostics or potential new drug targets -omics studies looking at the sub-cellular make-up of cells – for example, the subcellular localisation of certain proteins or post-translational modifications or new imaging techniques -studies presenting new methods and tools to support omics studies, including new spectroscopic/chromatographic techniques, chip-based/array technologies and new classification/data analysis techniques. New methods should be proven and demonstrate an advance in the field. Molecular Omics only accepts articles of high importance and interest that provide significant new insight into important chemical or biological problems. This could be fundamental research that significantly increases understanding or research that demonstrates clear functional benefits. Papers reporting new results that could be routinely predicted, do not show a significant improvement over known research, or are of interest only to the specialist in the area are not suitable for publication in Molecular Omics.