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Neuroimmune Pain and Its Manipulation by Pathogens
Kevin W Lozo1, Athena Aktipis2,3, Joe Alcock4
1University of Pittsburgh Medical Center Pittsburgh Pennsylvania USA.
Evolutionary Applications
|April 24, 2025
Summary
Pathogens and parasites manipulate pain signaling pathways, impacting host immunity and infection outcomes. Understanding this neuroimmune crosstalk is crucial for developing new treatments for pain and infectious diseases.
Area of Science:
- Neuroimmunology
- Microbial Pathogenesis
- Pain Signaling
Background:
- Sensory neurons and the immune system exhibit extensive crosstalk, generally protecting hosts from infection.
- Pathogens can evade host defenses by interfering with pain signaling pathways.
Purpose of the Study:
- To review how various organisms manipulate neuroimmune pain signaling.
- To discuss the implications of this manipulation for public health and infectious disease treatment.
Main Methods:
- Literature review of studies on neuroimmune interactions and microbial manipulation of pain signaling.
- Analysis of examples of parasites, bacteria, and other organisms interfering with pain pathways.
Main Results:
- Organisms produce opioid analogs or interfere with nerve function to evade nociceptor-activated immunity.
- Some pathogens increase neuroimmune pain, while hosts may adjust pain sensitivity for protection.
- Spinal and cortical pain processing are targets for manipulation by infectious agents.
Conclusions:
- Interference with pain signaling by microbes presents significant challenges for host defense and public health.
- Targeting these neuroimmune mechanisms offers potential avenues for novel therapeutic strategies against infections and pain.
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