We all know that if you put your hand over an open flame its very painful. What you may not know is that, for some people, just lying under a blanket is painful as well. They have neuropathic pain--annoying, chronic pain that comes from a diseased nerve cell rather than a specific stimulus. Feeling phantom pain in a missing limb is another, more famous, example.
Experts say up to two percent of the U.S. population suffers from neuropathic pain. But this pain generally responds poorly to analgesics and other standard treatment and get worse over time, causing permanent disability in some people. Now there may be new hope for these pain sufferers.
Scientists at the University of Virginia Health System have identified a new type of pain-sensing neuron in rats, which are unusually dense in a subtype of calcium channels called T-type channels. It is possible that these "T-rich cells" could be targets for future therapies to treat neuropathic pain as well as acute onset pain, which can happen after invasive surgery or inflammation.
Bob Beard | EurekAlert!
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The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.
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