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Endothelin-1 (ET-1) Promotes a Proinflammatory Microglia Phenotype in Diabetic Conditions.
Abstract Diabetes increases the risk and severity of cognitive impairment, especially after ischemic stroke. It is also known that the activation of ET system is associated with cognitive impairment and microglia around periinfarct area produce ET-1. However, little is known about the effect of ET-1 on microglial polarization, especially under diabetic conditions. We hypothesized that a) ET-1 activates microglia to proinflammatory M-1 like phenotype, and b) Hypoxia/LPS activates the microglial ET system and promotes microglial activation towards M-1 phenotype in diabetic conditions. Microglial cells (C8B4) culture...
Source: Canadian Journal of Physiology and Pharmacology - March 1, 2020 Category: Drugs & Pharmacology Authors: Abdul Y, Jamil S, He L, Li W, Ergul A Tags: Can J Physiol Pharmacol Source Type: research

Phagocytosis in the Brain: Homeostasis and Disease
Conclusions and Perspectives In this review we have summarized the critical role phagocytosis plays in both CNS homeostasis and disease. While much progress has been made in recent years, many unanswered questions remain. How phagocytosis in the CNS is influenced by numerous factors, such as microenvironment or phagocytic target, have yet to be fully resolved. Additionally, the utilization of novel technologies, including in vivo imaging techniques (217), iPSC-derived microglia (213) and high-throughput screens (66), will likely contribute to further identification of phagocytic pathways and consequences of phagocytosis w...
Source: Frontiers in Immunology - April 15, 2019 Category: Allergy & Immunology Source Type: research

1H NMR-Based Metabolomics Reveals Refined-Huang-Lian-Jie-Du-Decoction (BBG) as a Potential Ischemic Stroke Treatment Drug With Efficacy and a Favorable Therapeutic Window
This study was carried out in accordance with the recommendations of Animal Ethics Committee of China Pharmaceutical University. The protocol was approved by Animal Ethics Committee of China Pharmaceutical University. Author Contributions JW, MY, and LK conceived the experiments and helped to coordinate support and funding. XF performed the research and drafted the manuscript. SL, YL, and DX participated in the experiments. JW analyzed the data and edited the paper. All authors read and approved the final manuscript. Conflict of Interest Statement The authors declare that the research was conducted in the absence of an...
Source: Frontiers in Pharmacology - April 11, 2019 Category: Drugs & Pharmacology Source Type: research