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Characterization and Isolation of Mouse Primary Microglia by Density Gradient Centrifugation
Published on: February 16, 2018
ROCK mediates the inflammatory response in thrombin induced microglia
Guiyun Cui1, Tao Zuo, Qiuchen Zhao
1Department of Neurology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu Province, China.
Neuroscience Letters
|September 12, 2013
Summary
Thrombin triggers microglial inflammation via the ROCK pathway. Inhibiting ROCK or thrombin reduces microglial inflammatory responses, suggesting ROCK pathway
Area of Science:
- Neuroinflammation
- Cellular signaling
- Microbiology
Background:
- Microglia are key immune cells in the central nervous system.
- Thrombin can activate microglia, contributing to neuroinflammation.
- The Rho-associated coiled-coil kinase (ROCK) pathway's role in this activation is unclear.
Purpose of the Study:
- To determine if the ROCK pathway mediates thrombin-induced microglial inflammatory responses.
- To investigate the effect of ROCK inhibition on microglial inflammatory markers.
Main Methods:
- Microglia were stimulated with thrombin.
- Cells were pretreated with argatroban (thrombin inhibitor) or Y-27632 (ROCK inhibitor).
- Phagocytosis, nitric oxide (NO), and tumor necrosis factor-alpha (TNF-α) levels were measured.
Main Results:
- Thrombin significantly increased microglial phagocytosis and expression of ROCK, NO, and TNF-α.
- Inhibiting thrombin or ROCK decreased phagocytosis and inflammatory mediator expression.
- ROCK pathway activation is linked to thrombin-induced microglial inflammatory responses.
Conclusions:
- The ROCK pathway plays a significant role in thrombin-induced microglial inflammation.
- Targeting the ROCK pathway could be a therapeutic strategy for neuroinflammatory conditions involving thrombin.
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