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Elabela, a Novel Peptide, Exerts Neuroprotective Effects Against Ischemic Stroke Through the APJ/miR-124-3p/CTDSP1/AKT Pathway
In conclusion, these results indicated that ELA could alleviate neuronal apoptosis and axonal damage by upregulating miR-124-3p and activating the CTDSP1/AKT signaling pathway. This study, for the first time, verified the protective effect of ELA against neuronal injury after ischemia and revealed the underlying mechanisms. We demonstrated the potential for the use of ELA as a therapeutic agent in the treatment of ischemic stroke.PMID:37106272 | DOI:10.1007/s10571-023-01352-6
Source: Cellular and Molecular Neurobiology - April 27, 2023 Category: Cytology Authors: Kang-Long Zhang Shuang-Mei Li Jing-Yu Hou Ying-Hui Hong Xu-Xiang Chen Chang-Qing Zhou Hao Wu Guang-Hui Zheng Chao-Tao Zeng Hai-Dong Wu Jia-Ying Fu Tong Wang Source Type: research

KAP1 phosphorylation promotes the survival of neural stem cells after ischemia/reperfusion by maintaining the stability of PCNA
CONCLUSIONS: Our findings confirmed that simulated p-KAP1(S824) improved the survival and proliferation of endogenous NSCs. The underlying mechanism is that highly expressed p-KAP1(S824) promotes binding to PCNA, and inhibits the binding of CUL4A to PCNA. This reduced CUL4A-mediated ubiquitination degradation to increase the stability of PCNA and promote the survival and proliferation of NSCs.PMID:35799276 | DOI:10.1186/s13287-022-02962-5
Source: Cell Research - July 7, 2022 Category: Cytology Authors: Wan Wang Tianqing Yan Xinjian Guo Heng Cai Chang Liang Linyan Huang Yanling Wang Ping Ma Suhua Qi Source Type: research

Functional Assessment of Stroke-Induced Regulation of miR-20a-3p and Its Role as a Neuroprotectant
This study identifies and characterizes a specific member of the miR-17-92 cluster, miR-20a-3p, as a possible stroke therapeutic. A comprehensive microRNA screening showed that miR-20a-3p was significantly upregulated in astrocytes of adult female rats, which typically have better stroke outcomes, while it was profoundly downregulated in astrocytes of middle-aged females and adult and middle-aged males, groups that typically have more severe stroke outcomes. Assays using primary human astrocytes and neurons show that miR-20a-3p treatment alters mitochondrial dynamics in both cell types. To assess whether stroke outcomes co...
Source: Cell Research - September 27, 2021 Category: Cytology Authors: Taylor E Branyan Amutha Selvamani Min Jung Park Kriti E Korula Kelby F Kosel Rahul Srinivasan Farida Sohrabji Source Type: research

ClC-3 induction protects against cerebral ischemia/reperfusion injury through promoting Beclin1/Vps34-mediated autophagy
AbstractAcute ischemic stroke is a devastating disease with very limited therapeutics. Growing appreciation of dysregulated autophagy contributes to the progression of brain ischemic injury, making it to be an appealing intervention target. In terms of its well-characterized consequences, the signal molecules required for autophagy activation are rather poorly defined. Here, we found the induction of chloride channel-3 (ClC-3) directly activated autophagy, which played an important role in limiting cerebral ischemia/reperfusion (I/R) injury. Further mechanism exploration discovered that the up-regulation of ClC-3 was criti...
Source: Human Cell - August 8, 2020 Category: Cytology Source Type: research

TRIM9-Mediated Resolution of Neuroinflammation Confers Neuroprotection upon Ischemic Stroke in Mice
Publication date: 9 April 2019Source: Cell Reports, Volume 27, Issue 2Author(s): Jianxiong Zeng, Yaoming Wang, Zhifei Luo, Lin-Chun Chang, Ji Seung Yoo, Huan Yan, Younho Choi, Xiaochun Xie, Benjamin E. Deverman, Viviana Gradinaru, Stephanie L. Gupton, Berislav V. Zlokovic, Zhen Zhao, Jae U. JungSummaryExcessive and unresolved neuroinflammation is a key component of the pathological cascade in brain injuries such as ischemic stroke. Here, we report that TRIM9, a brain-specific tripartite motif (TRIM) protein, was highly expressed in the peri-infarct areas shortly after ischemic insults in mice, but expression was decreased ...
Source: Cell Reports - April 10, 2019 Category: Cytology Source Type: research