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New Pain Relievers Discovered

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18. New Pain Relievers Discovered

New Channels for Pain Relievers

A new type of small-molecule medicinal drugs has been discovered that also inhibit two sought-after goals in the remedy of pain, the ion channels TRPV4 and TRPA1. Their proof-of-concept experiments in mice would lead to the development of a brand new drug to deal with certain conditions including skin infection, headaches, jaw suffering and stomach pain.

A group of researchers at Duke University has discovered a new class of small-molecule medications that at the same time can block two targets within the therapy of pain.

These experiments, the results of which are published in the June 1 issue of Scientific Reports, would lead to the development of a new drug to deal with conditions including skin inflammation and itching, complications, jaw pain, and abdominal pain arising from the pancreas and colon.

Powerful Blockers of TRPV4


More than a hundred million people suffer from long term pain in the U.S., according to the Institute of medicine, and new drug treatments are badly wanted. According to Wolfgang Liedtke, M.D., Ph.D., a professor of neurology, anesthesiology and neurobiology at Duke University School of Medicine, We are very pleased with what is a first chapter in a highly promising story. We hope to be able to develop these compounds for clinical use in humans or animals. Dr. Liedtke treats sufferers with head and face discomfort and other sensory problems.

In the novel study, the researchers originally aimed to improve powerful blockers of TRPV4, a molecule that in their earlier research had shown transmits skin inflammation by sunburn, and painful sensations from the head and face. Liedtke and his collaborator Farshid Guilak used a prototype TRPV4 blocker in a previous study done in 2009 and then got down to advance more effective models.

Compared to the prototype, one of the new candidate medicines, referred to as “16-8,” worked for 10 instances more in cells with active TRPV4 that lead to the development of osteoarthritis. It additionally worked well in other cell types involved in nerve cell damage, stroke and epilepsy.

But to their shock, when assessing the specificity of 16-8, the scientists learned that it also blocked TRPA1, which is a promising goal in pain and itch research. According to Liedtke, As a physician, I soon realized the enormous potential that these compounds might have, given how beneficial dual-target molecules can be in clinical medicine.

Both TRPV4 and TRPA1 are members of the group of TRP ion channels, which perform in sensory nerve cells to immediately feel painful stimuli. Different research organizations are actually targeting these channels in scientific trials for pain alleviation.

On this study, the drug 16-8 additionally alleviated pain in living animals, including abdominal pain in mice with pancreatic inflammation. Pancreatitis is particularly a painful and problematic condition to treat, and new cases are rising globally.

Liedtke sees 16-8 as a potential drug to deal with osteoarthritis and other varieties of joint afflictions as well as head, face and jaw pain. Most of the time, it could also deal with aches radiating from inner organs or because of nerve cell injuries.

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