Theoretical and Natural Science
- The Open Access Proceedings Series for Conferences
Theoretical and Natural Science
Vol. 32, 06 March 2024
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Role of dopamine in regulating microglia inflammatory responses through TLR4-NFκb pathway
* Author to whom correspondence should be addressed.
Abstract
Parkinson’s disease (PD) is a prevalent neurodegenerative disorder that affects a significant portion of the population. One of its distinguishing features is the gradual loss of dopaminergic cells in a specific region of the brain known as the substantia nigra. In recent years, researchers have uncovered that neuroinflammation facilitates the developmental process of PD. Specifically, studies have shown that the activation of microglia, the brain’s immune cells, is closely linked to the levels of dopamine secreted by neurons. However, the influence of dopamine on activated microglia in PD has not been fully explored. In this study, we aimed to explore the impact of dopamine on activated microglia. To establish an activated microglia model, we used BV-2 cell lines and treated them with lipopolysaccharide (LPS) at a concentration of 200 ng/ml. Two separate groups were then exposed to dopamine at concentrations of 2 μM and 10 μM, respectively, to simulate dopamine treatment in the brain. To assess the effects of dopamine, we performed real-time PCR to measure the relative mRNA levels of pro- and anti-inflammatory cytokines, conducted immunofluorescent staining to observe and analyze the cell morphology, carried out a phagocytosis assay to assess the cell’s phagocytic ability, and conducted western blotting to identify the specific pathway through which dopamine affects microglia activation. Our findings revealed that dopamine can modulate the activation state of microglia and reduce the cell’s inflammatory responses via the TLR4-NFκB pathway. This suggests that dopamine has the potential to alleviate neuroinflammation in PD, opening up new avenues for future treatments and therapies.
Keywords
Parkinson’s Disease, Neuroinflammation, Microglia, Dopamine
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Data Availability
The datasets used and/or analyzed during the current study will be available from the authors upon reasonable request.
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- Volume Title
- Proceedings of the 2nd International Conference on Modern Medicine and Global Health
- ISBN (Print)
- 978-1-83558-321-0
- ISBN (Online)
- 978-1-83558-322-7
- Published Date
- 06 March 2024
- Series
- Theoretical and Natural Science
- ISSN (Print)
- 2753-8818
- ISSN (Online)
- 2753-8826
- DOI
- 10.54254/2753-8818/32/20240782
- Copyright
- 06 March 2024
- Open Access
- This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited