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Updated: Oct 4, 2025
An In vitro Model to Study Heterogeneity of Human Macrophage Differentiation and Polarization
Published on: June 12, 2013
Diverse Roles of TRPV4 in Macrophages: A Need for Unbiased Profiling
Thanh-Nhan Nguyen1,2, Ghizal Siddiqui3, Nicholas A Veldhuis1,2
1Drug Discovery Biology Theme, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC, Australia.
Abstract:
Transient receptor potential vanilloid 4 (TRPV4) is a non-selective mechanosensitive ion channel expressed by various macrophage populations. Recent reports have characterized the role of TRPV4 in shaping the activity and phenotype of macrophages to influence the innate immune response to pathogen exposure and inflammation. TRPV4 has been studied extensively in the context of inflammation and inflammatory pain. Although TRPV4 activity has been generally described as pro-inflammatory, emerging evidence suggests a more complex role where this channel may also contribute to anti-inflammatory activities. However, detailed understanding of how TRPV4 may influence the initiation, maintenance, and resolution of inflammatory disease remains limited. This review highlights recent insights into the cellular processes through which TRPV4 contributes to pathological conditions and immune processes, with a focus on macrophage biology. The potential use of high-throughput and omics methods as an unbiased approach for studying the functional outcomes of TRPV4 activation is also discussed.
Insights
Transient receptor potential vanilloid 4 (TRPV4) channels in macrophages play a complex role in inflammation. This review explores TRPV4
Area of Science:
- Immunology
- Cell Biology
- Molecular Biology
Background:
- Transient receptor potential vanilloid 4 (TRPV4) is a mechanosensitive ion channel found in macrophages.
- TRPV4 influences macrophage activity and phenotype, impacting innate immunity and inflammation.
- While often considered pro-inflammatory, TRPV4 may also possess anti-inflammatory functions.
Purpose of the Study:
- To review current understanding of TRPV4's role in macrophage biology and inflammatory diseases.
- To explore the dual pro- and anti-inflammatory roles of TRPV4.
- To discuss advanced methods for studying TRPV4 activation.
Main Methods:
- Literature review of recent studies on TRPV4 and macrophages.
- Analysis of TRPV4's involvement in cellular processes and immune responses.
- Discussion of high-throughput and omics approaches.
Main Results:
- TRPV4's complex role in inflammation, with both pro- and anti-inflammatory effects.
- TRPV4's involvement in initiating, maintaining, and resolving inflammatory conditions.
- Limited detailed understanding of TRPV4's precise mechanisms in disease.
Conclusions:
- TRPV4 is a key modulator of macrophage function in inflammation.
- Further research is needed to fully elucidate TRPV4's multifaceted roles.
- High-throughput and omics methods offer promising avenues for future TRPV4 research.
