Study of large, ethnically diverse population shows strong association between high levels of hyaluronic acid and severe osteoarthritis of the knees and hips
chronic degenerative joint disease, osteoarthritis (OA) is a common cause of pain and disability among older Americans. OA of the knee affects up to 6 percent of the older population, while OA of the hip affects about another 3 percent. While treatments vary, there is hope that early intervention – before joint destruction can be clearly seen and measured on an X-ray image-will improve outcomes.
The need for better ways to assess OA’s activity from its onset has led researchers to investigate possible biomarkers, particularly those related to cartilage and bone turnover. A biomarker is substance found in the blood or joint fluid whose levels can be used to assess the presence or activity of a disease. Among likely candidates for a biomarker for OA is hyaluronic acid, also known as hyaluronan or simply HA. HA is a component of connective tissue that is widely distributed throughout the body and plays an important role in joint function. A recent study, published in the January 2005 issue of Arthritis & Rheumatism (http://www.interscience.wiley.com/journal/arthritis), strongly supports the relationship between increased production of HA and increased risk for OA, specifically of the knees and hips, among ethnically diverse men and women.
Amy Molnar | EurekAlert!
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A research team led by physicists at the Technical University of Munich (TUM) has developed molecular nanoswitches that can be toggled between two structurally different states using an applied voltage. They can serve as the basis for a pioneering class of devices that could replace silicon-based components with organic molecules.
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At the LASYS 2018, from June 5th to 7th, the Laser Zentrum Hannover e.V. (LZH) will be showcasing processes for the laser material processing of tomorrow in hall 4 at stand 4E75. With blown bomb shells the LZH will present first results of a research project on civil security.
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There are videos on the internet that can make one marvel at technology. For example, a smartphone is casually bent around the arm or a thin-film display is rolled in all directions and with almost every diameter. From the user's point of view, this looks fantastic. From a professional point of view, however, the question arises: Is that already possible?
At Display Week 2018, scientists from the Fraunhofer Institute for Applied Polymer Research IAP will be demonstrating today’s technological possibilities and...
So-called quantum many-body scars allow quantum systems to stay out of equilibrium much longer, explaining experiment | Study published in Nature Physics
Recently, researchers from Harvard and MIT succeeded in trapping a record 53 atoms and individually controlling their quantum state, realizing what is called a...
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