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Related Concept Videos

Pain01:20

Pain

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Pain serves as a critical warning signal that alerts the body to potential or actual harm. When mechanical pressure on the skin is intense, such as from a sharp pinch, the sensation transitions from touch to pain. Similarly, extreme temperatures, like a hot pot handle, convert the sensation of heat into pain. Pain can also result from overstimulation of other senses, such as blinding light, loud noise, or the intense heat from habañero peppers. This ability to sense pain is essential for...
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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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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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Related Experiment Video

Updated: Dec 26, 2025

Determining heat and mechanical pain threshold in inflamed skin of human subjects
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Touching Base with Mechanical Pain.

Oscar M Arenas1, Ellen A Lumpkin2

  • 1Department of Molecular & Cell Biology, University of California Berkeley, Berkeley, California USA.

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|March 7, 2020
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Summary
This summary is machine-generated.

Researchers identified TACAN, a novel ion channel crucial for sensing mechanical pain in mice. This discovery offers new therapeutic targets for managing chronic pain and addressing the opioid crisis.

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Area of Science:

  • Neuroscience
  • Molecular Biology
  • Pain Research

Background:

  • Unrelieved pain is a significant global health issue, contributing to the ongoing opioid crisis.
  • Identifying molecular mechanisms underlying pain sensation is critical for developing effective pain interventions.
  • Current therapeutic strategies for pain management often have limitations and side effects.

Purpose of the Study:

  • To identify novel molecular players involved in the initiation and transmission of mechanical pain.
  • To characterize the function and properties of a newly discovered ion channel in the context of pain signaling.
  • To explore the potential of this ion channel as a therapeutic target for pain relief.

Main Methods:

  • Utilized genetic screening and electrophysiological recordings in mouse models.
  • Investigated the role of the TACAN ion channel in sensory neuron activation.
  • Performed behavioral assays to assess pain responses in vivo.

Main Results:

  • Described TACAN as a putative ion channel mediating mechanical pain in mice.
  • Demonstrated that TACAN is expressed in sensory neurons involved in pain perception.
  • Showcased TACAN's role in the transduction of mechanical stimuli into neural signals.

Conclusions:

  • TACAN represents a key molecular component in the pathway of mechanical pain sensation.
  • Targeting TACAN may offer a novel strategy for developing non-addictive analgesics.
  • Further research into TACAN could lead to significant advancements in pain management and the opioid crisis.