Morphine’s Pain Relief Mechanism Unveiled

Summary: Researchers have discovered that opiates relieves pain by activating a particular group of brain neurons, known as the “morphine opera.” These neurons, located in the rostral ventromedial medulla ( RVM), connect to the spinal cord and inhibit pain signaling.

Understanding this route may help to lessen the serious side effects of codeine, such as dependancy and overdose. Additionally, the results provide insight into the distinctions between morphine’s euphoric effects and pain relief.

Important Information:

  • The “morphine outfit,” or” the morphine ensemble,” is activated by a particular set of cells in the RVM to relieve pain.
  • Inactivating these cells eliminates morphine’s pain-relieving consequences, while reactivating them restores problems relief.
  • Greater understanding of these channels may result in safer pain management techniques and lessen morphine’s harmful side effects.

Origin: Karolinska Institute

A potent opioid drug, Morphine, belongs to the opioid family. It reduces pain-related signs and boosts pleasure-feeling emotions.

Morphine affects a number of central and peripheral problems processes in the body, but the neural mechanisms that drive the pain relief have not been thoroughly understood.

Using a number of novel empirical techniques, scientists have then investigated how opiates relieves pain. They have morphine-exposured laboratory animals, and they have been able to” capture” the neurons that the morphine activated. The researchers were able to identify, define, and chemically command the neurons in the neurological pathways involved in problems pleasure.

Morphine activates a “morphine opera.”

The rostral ventromedial brain ( RVM), a group of brain cells that are affected by opiates, is affected by a particular set of cells. Together, these cells form a kind of ‘ opiates ensemble’. This class of cells has a shift in activity that causes pain relief.

The researchers completely eliminated the pain-related results of opiates when they chemically inactivated the neurons in this class. They were able to replicate the soreness comfort when they reactivated the cells.

The “morphine ensemble” reveals a specific nerve that connects to the vertebral cord. These neurons communicate with so-called antagonistic neurons in the spinal cord to slow down the spinal cord’s pain signaling and prevent pain.

Probably risky drug

When used as a medication in care, opiates has potentially very serious side effects in terms of habit, misuse, overdose and death.

The study’s lead author, professor at the Department of Medical Biochemistry and Biophysics at Karolinska Institutet, says that it has been challenging to find effective ways to treat problems without triggering these harmful side effects.

He and his coworkers now hope that better understanding of how opioid functions in the body will help to lessen side results in the future.

Because understanding the neurological pathways and cells perhaps contribute to how morphine can relieve pain so effectively, the study is crucial. It may also provide information on how these techniques differ from those that cause the feeling of joy, well-being and addiction”, says Patrik Ernfors.

The scientists want to go further and find out the causes of the increased pain relief associated with long-term usage of morphine.

The Knut and Alice Wallenberg Foundation, the Swedish Research Council, the Western Research Council, and the Swedish Research Council all contributed to the funding of the investigation.

About this study in neuropharmacology and pain

Author: Press Office
Source: Karolinska Institute
Contact: Press Office – Karolinska Institute
Image: The image is credited to Neuroscience News

Original Research: The results may appear in Research

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