Temporal changes of spinal microglia in murine models of neuropathic pain: a scoping review
2024

Changes in Spinal Microglia in Mouse Models of Neuropathic Pain

Sample size: 258 publication Evidence: moderate

Author Information

Author(s): Dhir Simran, Derue Hannah, Ribeiro-da-Silva Alfredo

Primary Institution: McGill University

Hypothesis

How do spinal microglial changes over time affect pain behavior in murine models of neuropathic pain?

Conclusion

The study highlights the need for better study designs that consider various factors affecting spinal microglia dynamics in neuropathic pain.

Supporting Evidence

  • 258 peer-reviewed articles were analyzed to understand the role of microglia in neuropathic pain.
  • Most studies showed an increase in microglia and pain behavior within 1 month of pain initiation.
  • Studies primarily focused on male mice, highlighting a gap in understanding pain in female mice.

Takeaway

This study looks at how tiny cells in the spine, called microglia, change when mice have nerve pain, and it shows we need to study them better to help with pain treatments.

Methodology

A literature search was conducted across four databases to identify studies on spinal microglia in mouse models of neuropathic pain, leading to the inclusion of 258 studies.

Potential Biases

The majority of studies used only male mice, which may not represent the full spectrum of pain responses.

Limitations

The review may not generalize to all chronic pain conditions due to the low number of studies on specific subclasses of chronic pain models.

Participant Demographics

Most studies involved inbred, young adult male mice, with limited representation of female mice.

Digital Object Identifier (DOI)

10.3389/fimmu.2024.1460072

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