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- Title
Shear Stress Inhibits Apoptosis of Ischemic Brain Microvascular Endothelial Cells.
- Authors
Shan Tian; Yulong Bai; Lin Yang; Xinggang Wang; Yi Wu; Jie Jia; Yulian Zhu; Yong Cheng; Pengyue Zhang; Junfa Wu; Nianhong Wang; Guang Xia; Hua Liao; Yuling Zhang; Xiafeng Shen; Huixian Yu; Yongshan Hu
- Abstract
As a therapeutic strategy for ischemic stroke, to restore or increase cerebral blood flow (CBF) is the most fundamental option. Laminar shear stress (LS), as an important force generated by CBF, mainly acts on brain microvascular endothelial cells (BMECs). In order to study whether LS was a protective factor in stroke, we investigated LS-intervented ischemic apoptosis of rat BMECs (rBMECs) through PE Annexin V/7-AAD, JC-1 and Hoechst 33258 staining to observe the membranous, mitochondrial and nuclear dysfunction. Real-time PCR and western blot were also used to test the gene and protein expressions of Tie-2, Bcl-2 and Akt, which were respectively related to maintain membranous, mitochondrial and nuclear norm. The results showed that LS could be a helpful stimulus for ischemic rBMECs survival. Simultaneously, membranous, mitochondrial and nuclear regulation played an important role in this process.
- Subjects
CELLULAR mechanics; APOPTOSIS; CEREBRAL ischemia; CEREBRAL circulation; MICROCIRCULATION; ENDOTHELIAL cells; GENE expression; MITOCHONDRIA
- Publication
International Journal of Molecular Sciences, 2013, Vol 14, Issue 1, p1412
- ISSN
1661-6596
- Publication type
Academic Journal
- DOI
10.3390/ijms14011412