ArticleJournal of molecular neuroscience : MN2020
Dynamic Changes of Beclin-1 in the Hippocampus of Male Mice with Vascular Dementia at Different Time Points.
Article in Journal of molecular neuroscience : MN, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 10 citations in OpenAlex.
- Dulaglutide Improves Gliosis and Suppresses Apoptosis/Autophagy Through the PI3K/Akt/mTOR Signaling Pathway in Vascular Dementia Rats.Neurochemical research · 2023Article
- Article
- Therapeutic Potential of Remote Ischemic Conditioning in Vascular Cognitive Impairment.Frontiers in cellular neuroscience · 2021Review
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
Abstract
This study tried to investigate the dynamic changes of Beclin-1 in the hippocampus of male mice with vascular dementia (VD) at different time points. The mouse model of VD was established by the four-vessel blocking method. Then, the VD mice were randomly divided into five groups (n = 12) according to the disease duration: the 0.1-day model group, 0.5-day model group, 1-day model group, 3-day model group, 5-day model group and 14-day model group. In addition, all surgical procedures were the same in the sham group as those in the model groups, except the mice in the sham group were not subjected to clipping. The expression of Beclin-1, LC3B, p62, Bcl-2, Bax, BACE1, GFAP, MBP and ET-1 mRNA were determined by RT-PCR; the expression of Beclin-1 was detected by Western blot and immunofluorescence; the pathological characteristics of the hippocampus were observed by haematoxylin-eosin (HE) staining; and the correlation of Beclin-1 with other VD-related proteins was analysed by Pearson's correlation. Compared with that in the sham group, the expression of Beclin-1, LC3B, Bax, BACE1, GFAP, MBP and ET-1 mRNA was increased in the VD mice at different time points (0.1 day, 0.5 day, 1 day, 3 days, 5 days and 14 days) (P < 0.05) and then remained relatively stable in the 0.5-day VD mice, whereas the p62 and Bcl-2 mRNA levels decreased (P < 0.05). Beclin-1 protein expression was significantly increased in the VD mice at different time points (P < 0.05). The hippocampus showed a certain degree of neuronal damage in the VD mice at different time points (P < 0.05). Additionally, certain correlations among LC3B, p62, Bcl-2, Bax, BACE1, GFAP, MBP, ET-1 and Beclin-1 were observed in this study. In conclusion, the results described above demonstrated that neuronal damage and dynamic stability of Beclin-1 expression were established in the VD male mice after 0.5 day by the four-vessel blocking method.
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