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Related Concept Videos

Nociception01:44

Nociception

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Nociception—the ability to feel pain—is essential for an organism’s survival and overall well-being. Noxious stimuli such as piercing pain from a sharp object, heat from an open flame, or contact with corrosive chemicals are first detected by sensory receptors, called nociceptors, located on nerve endings. Nociceptors express ion channels that convert noxious stimuli into electrical signals. When these signals reach the brain via sensory neurons, they are perceived as pain.
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Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
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Related Experiment Video

Updated: Jul 11, 2025

Optimizing Photoneuromodulation Techniques to Evaluate the Role of Green Light-Emitting Diodes in Pain Management
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Optogenetic Neuromodulation in Inflammatory Pain.

Yanan Liang1, Yaping Zhou2, Md Moneruzzaman3

  • 1Rehabilitation Center, Qilu Hospital of Shandong University, Jinan, China; University of Health and Rehabilitation Sciences, Qingdao, China; Research Center for Basic Medical Sciences, Jinan, China.

Neuroscience
|November 17, 2023
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Summary

Optogenetics offers precise control over neural circuits for inflammatory pain management. This review explores its potential, current applications, and challenges for clinical use in treating pain.

Keywords:
inflammatory painneuromodulationnociceptive painoptogeneticspain

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Area of Science:

  • Neuroscience
  • Pain Medicine
  • Biotechnology

Background:

  • Inflammatory pain significantly impacts quality of life and is a prevalent condition.
  • Neuromodulation is a growing field for pain management, particularly for patients unresponsive to conventional treatments.
  • Current neuromodulation techniques lack robust clinical evidence for effective inflammatory pain management.

Purpose of the Study:

  • To review the fundamentals of optogenetics, including opsin use, gene targeting, and light delivery.
  • To summarize recent advancements and applications of optogenetic neuromodulation in inflammatory pain.
  • To address limitations and challenges hindering the clinical translation of optogenetics for pain relief.

Main Methods:

  • Review of optogenetic principles and techniques.
  • Analysis of recent scientific literature on optogenetics in inflammatory pain models.
  • Discussion of current challenges and future directions for clinical application.

Main Results:

  • Optogenetics provides high spatiotemporal accuracy for controlling neural circuits.
  • Emerging evidence suggests optogenetics is a promising area for inflammatory pain research and management.
  • Significant challenges remain in translating optogenetic strategies to clinical practice.

Conclusions:

  • Optogenetics presents a novel and precise approach to neuromodulation for inflammatory pain.
  • Further research and development are needed to overcome limitations for clinical application.
  • Developing optogenetic strategies is a desirable therapeutic goal for managing inflammatory pain.