Related Experiment Video
Updated: Feb 7, 2026
Purification of Endogenous Drosophila Transient Receptor Potential Channels
Published on: December 28, 2021
Physiological and Pathophysiological Roles of Transient Receptor Potential Channels in Microglia-Related CNS
Hisashi Shirakawa1, Shuji Kaneko1
1Department of Molecular Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University.
Abstract:
Central nervous system (CNS) inflammation is a potential therapeutic target for neurodegenerative diseases. In recent years, a number of studies have focused on the links between neurodegenerative diseases and CNS glial cells, especially microglia. Microglia are the main resident immune cells in the CNS and represent approximately 10-15% of all CNS cells. Microglia play an important role in maintaining brain homeostasis at rest by surveying the environment, and engulfing apoptotic cells and debris in the healthy brain. However, under certain pathological conditions, microglia can generate neurotoxic factors, such as pro-inflammatory cytokines and molecules like nitric oxide (NO), which lead to CNS inflammatory diseases. In this review, we discuss the evidence that regulation of microglial ion channels may modulate CNS inflammation and subsequent tissue damage in neurological disorders. In particular, we discuss the role of transient receptor potential (TRP) channels in microglia in both acute and chronic inflammatory conditions, and describe the physiological and pathophysiological roles of TRP channels in CNS inflammatory pathways. Additionally, we describe the benefits of stimulation/inhibition of TRP channels in animal models of microglia-related CNS inflammatory diseases.
Insights
Microglial ion channels, particularly Transient Receptor Potential (TRP) channels, are key regulators of central nervous system (CNS) inflammation. Modulating these channels offers therapeutic potential for neurodegenerative diseases.
Area of Science:
- Neuroscience
- Immunology
- Cell Biology
Background:
- Central nervous system (CNS) inflammation is implicated in neurodegenerative diseases.
- Microglia, the resident immune cells of the CNS, play a dual role in brain health and disease.
- Dysfunctional microglia contribute to neuroinflammation through the release of toxic factors.
Purpose of the Study:
- To review the role of microglial ion channels in CNS inflammation.
- To highlight the significance of Transient Receptor Potential (TRP) channels in neuroinflammation.
- To explore therapeutic strategies targeting TRP channels for neurological disorders.
Main Methods:
- Literature review focusing on microglial ion channels and neuroinflammation.
- Analysis of studies investigating TRP channel function in microglia.
- Examination of animal models of CNS inflammatory diseases.
Main Results:
- Microglial TRP channels are involved in both acute and chronic CNS inflammatory processes.
- TRP channel activity influences the release of pro-inflammatory mediators from microglia.
- Modulation of TRP channels shows promise in preclinical models of neurological diseases.
Conclusions:
- Targeting microglial TRP channels represents a viable therapeutic approach for CNS inflammatory conditions.
- Understanding TRP channel physiology and pathophysiology in microglia is crucial for developing effective treatments.
- Further research into TRP channel modulators could lead to novel therapies for neurodegenerative diseases.
Related Concept Videos
01:30Inflammatory Bowel Disease II: Crohn's Disease
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
01:28Peptic Ulcer Disease II: Pathophysiology
Damaging agents such as Helicobacter pylori, gastric acid, pepsin, and nonsteroidal anti-inflammatory drugs (NSAIDs) can weaken the mucosal defense, allowing hydrogen ions to infiltrate back and harm epithelial cells.
01:26Coronary Artery Disease II: Pathophysiology
01:19The Role of Ion Channels in Neuronal Computation
Sometimes a single EPSP is strong enough to induce an action potential in the postsynaptic neuron. However, multiple presynaptic inputs must often create EPSPs around the same time for the postsynaptic neuron to be sufficiently depolarized to fire an action potential....
01:29Gastroesophageal Reflux Disease I: Meaning and Pathophysiology
01:20Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Inflammation