A drug that reduces symptoms of systemic lupus in mice may turn out to be effective against hardening of the arteries and thus prevent heart attacks, according to two poster presentations today at the American College of Rheumatology meeting in San Antonio.
Nilamadhab Mishra, M.D., of Wake Forest University Baptist Medical Center, said the drug, called Trichostatin A or TSA, "may have a therapeutic benefit in atherosclerosis," which causes coronary artery disease by blocking key arteries, leading to death and disability. Mishra, assistant professor of internal medicine – rheumatology, and his colleagues tested TSA on experimental mice that were bred to lack a significant natural protection against atherosclerosis. For 12 weeks, these mice were fed a diet that was both high in cholesterol and in which 10 percent of calories came from palm oil, one of the vegetable oils most likely to cause atherosclerosis. In addition to the coronary arteries, atherosclerosis also occurred in the aortic arch, part of one of the body’s main blood vessels.
When Mishra compared the mice given TSA with mice given an inert substance, the amount of atherosclerosis deposited in the aortic arch was cut in half. The TSA-treated mice also had a reduction in total and free cholesterol levels in the abdominal aorta, the lower portion of the aorta, the body’s largest blood vessel.
Robert Conn | EurekAlert!
Molecular libraries for organic light-emitting diodes
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Reflecting the structure of composites found in nature and the ancient world, researchers at the University of Illinois at Urbana-Champaign have synthesized thin carbon nanotube (CNT) textiles that exhibit both high electrical conductivity and a level of toughness that is about fifty times higher than copper films, currently used in electronics.
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The nearby, giant radio galaxy M87 hosts a supermassive black hole (BH) and is well-known for its bright jet dominating the spectrum over ten orders of magnitude in frequency. Due to its proximity, jet prominence, and the large black hole mass, M87 is the best laboratory for investigating the formation, acceleration, and collimation of relativistic jets. A research team led by Silke Britzen from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has found strong indication for turbulent processes connecting the accretion disk and the jet of that galaxy providing insights into the longstanding problem of the origin of astrophysical jets.
Supermassive black holes form some of the most enigmatic phenomena in astrophysics. Their enormous energy output is supposed to be generated by the...
The probability to find a certain number of photons inside a laser pulse usually corresponds to a classical distribution of independent events, the so-called...
Microprocessors based on atomically thin materials hold the promise of the evolution of traditional processors as well as new applications in the field of flexible electronics. Now, a TU Wien research team led by Thomas Müller has made a breakthrough in this field as part of an ongoing research project.
Two-dimensional materials, or 2D materials for short, are extremely versatile, although – or often more precisely because – they are made up of just one or a...
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