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| Content Provider | Directory of Open Access Journals (DOAJ) |
|---|---|
| Author | Huarong Xu Zhenru Wang Lin Zhu Zhenyu Sui Wenchuan Bi Ran Liu Kaishun Bi Qing Li |
| Abstract | Epidemiological, cross-sectional, and prospective studies have suggested that insomnia, Alzheimer’s disease (AD) and depression are mutually interacting conditions and frequently co-occur. The monoamine and amino acid neurotransmitter systems in central nervous system were involved in the examination of neurobiological processes of this symptom complex. However, few studies have reported systematic and contrastive discussion of different neurotransmitters (NTs) changing in these neurological diseases. Thus, it is necessary to establish a reliable analytical method to monitoring NTs and their metabolite levels in rat brain tissues for elucidating the differences in pathophysiology of these neurological diseases. A rapid, sensitive and reliable LC-MS/MS method was established for simultaneous determination of the NTs and their metabolites, including tryptophan (Trp), tyrosine (Tyr), serotonin (5-HT), 5-hydroxyindolacetic acid (5-HIAA), dopamine (DA), acetylcholine (ACh), norepinephrine (NE), glutamic acid (Glu), and γ-aminobutyric acid (GABA) in rat brain tissues. The mobile phase consisting of methanol and 0.01% formic acid in water was performed on an Inertsil EP C18 column, and the developed method was validated well. Results demonstrated that there were significant differences for 5-HT, DA, NE, Trp, Tyr and ACh between model and control group in all three models, and a Bayes linear discriminant function was established to distinguish these three kinds of nervous system diseases by DA, Tyr and ACh for their significant differences among control and three model groups. It could be an excellent strategy to provide perceptions into the similarity and differentia of mechanisms from the point of NTs’ changing in brain directly and a new method to distinguish insomnia, depression and AD from view of essence. |
| e-ISSN | 14203049 |
| DOI | 10.3390/molecules23092375 |
| Journal | Molecules |
| Issue Number | 9 |
| Volume Number | 23 |
| Language | English |
| Publisher | MDPI AG |
| Publisher Date | 2018-09-01 |
| Publisher Place | Switzerland |
| Access Restriction | Open |
| Subject Keyword | Organic Chemistry Insomnia Alzheimer's Disease Depression Neurotransmitters Lc-ms |
| Content Type | Text |
| Resource Type | Article |
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