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Tag: "pain" at biology news

Scratch no more: Gene for itch sensation discovered

... small population of spinal cord nerve cells where pain and itch signals are transmitted from the skin to ...egarded itch as just a less intense version of the pain sensation. As a result, research on itching has been somewhat neglected. "Many genes have been ident...

Old memory traces in brain may trigger chronic pain

...ple continue to suffer from life-altering, chronic pain long after their injuries have actually healed" T...rsity researcher has found a key source of chronic pain appears to be an old memory trace that essentially gets stuck in the prefrontal cortex, the site of ...

New bacterium discovered -- related to cause of trench fever

... of thousands of soldiers with severe leg and back pain and recurrent fevers. The new species, recently named Bartonella rochalimae, is also closely related to the bacterium identified about 10 years ago as the cause of cat scratch disease: Bartonella henselae, which infects more than 25,000 people a...

Putting feelings into words produces therapeutic effects in the brain

...balizing our feelings makes our sadness, anger and pain less intense. Another study, with the same parti...tion is effective in reducing a variety of chronic pain conditions, skin disease, stress-related health conditions and a variety of other ailments, he said....

Experimental gene therapy 'abolishes' arthritis pain and lessens joint damage

...ene therapy relieved 100 percent of osteoarthritic pain in the study model. In addition, researchers were ...enes be injected directly into nerve cells. Strong pain relief resulted, but in some cases the injections caused nerve damage. "Our publication represent...

Focused ultrasound relieves fibroid symptoms in women

...erine size, frequent urination, pelvic pressure or pain and infertility. According to the National Women’s Health Information Center, fibroids are the primary reason for surgical removal of the uterus, accounting for approximately one-third of hysterectomies performed annually in the U.S. MRgFUS repre...

Detecting cold, feeling pain: Study reveals why menthol feels fresh

... in mice, the receptor triggers the nerves to fire pain signals when they are exposed to high ambient heat...n and noxious heat elicit the sensation of burning pain through activation of the same receptor on sensory neurons. Most recently, they identified the r...

Mice with a migraine show signs of brain damage

... to prevent their headaches. While avoiding severe pain has long been a motivating factor, the scientists ...uld be on prevention, which will stop not only the pain but also minimize potential damage,?said Maiken Nedergaard, M.D., Ph.D., the neuroscientist who led ...

Scripps research team sheds light on long-sought cold sensation gene

...c, or block it to prevent certain forms of chronic pain associated with cold sensation. "This study repre...-deficient mice did not lose their ability to feel pain in response to extreme cold, as evidenced by responses similar to wild type mice when exposed to -1°...

Nitric oxide: Key to cardiovascular and pulmonary function and drug effectiveness

...e effectiveness of many drugs, such as opiates for pain and adrenaline for asthma, and is further associat...e and asthma but also for other conditions such as pain and high blood pressure. "We demonstrated that when one of the systems goes awry, so does the oth...

Cancer patients monitor fatigue in real time

...fect their recall. They may have been experiencing pain in addition to fatigue, and that affects how they remember the fatigue experience," she said. In Hacker's study, patients used a device that is worn like a wristwatch to record the data. The patients entered the intensity of their fatigue by using...

Gut research yields new anti-cancer approach

... and ulcerative colitis, bowel diseases that cause pain and diarrhea. Specifically, they were comparing the effect on inflammation of encouraging the action of the PPARgamma protein (with activator compounds) against discouraging it (with inhibitors). The team conducted these experiments using colorectal ...

Red flag for repetitive stress injuries identified for first time in humans

...ically, RMI sufferers don't experience symptoms of pain until the damage has begun. So the researchers' ma...n that rated the severity of symptoms ranging from pain to range of motion, participants were given blood tests for evidence of biomarkers. "The blood t...

Researchers design pulsed mircrojet system to deliver protein drugs without pain or bruising

...to deliver protein drugs into the skin without the pain or bruising that deeper penetration injection syst...a combination of factors, including needle phobia, pain and discomfort, infections, and accidental needle sticks to healthcare providers. Currently, about 1...

OHSU surgeon implants donated tissue allografts

...herwise would be suffering from often-debilitating pain and arthritis." Pete Jenkins, JRF executive director, believes OHSU's involvement in advancing the technology is only the beginning. "Teaming with surgeons in our donor communities around the country to provide this special gift of donation that e...

Chemo combination improves survival in asbestos-related cancer

...ity of life in terms of fatigue, loss of appetite, pain and cough. During the early stages of the trial, patients receiving pemetrexed had serious symptoms of toxicity, including drug-related death. Other side effects included blood cell abnormalities, nausea and diarrhea, which decreased in both inci...

UW launches study testing adult stem cells for heart damage repair

...aseline of how often the study subjects have chest pain related to their heart disease and the severity of...s reported feeling better with reductions in chest pain and improved exercise capacity during the early stage of the trial. That's encouraging to us." C...

Cartilage discovery offers arthritis hope

...ks down altogether and sufferers experience severe pain as the two ends of the bones rub against each other." The team's findings ?published in the journal Proceedings of the National Academy of Sciences ?also explain why mutations in cartilage collagen genes cause osteoarthritis. "Without a detailed ...

Researchers find hepatitis A and hepatitis C attack same protein to block immune defenses

.... Hepatitis A produces fever, nausea and abdominal pain that can last for weeks, but rarely lead to death; hepatitis C, by contrast, often spends decades quietly damaging the liver, until a victim’s only hope for survival is an organ transplant. According to researchers at the University of Texas Medical...

No-scalpel vasectomies by skilled surgeons may speed recovery

...ctomies had less bleeding, bruising, infection and pain during surgery and follow-up. Doctors using the no...howing that it is a technique associated with less pain and fewer complications." ...

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