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IBM and The Institute of Bioengineering and Nanotechnology Find Breakthrough for MRSA Treatment
Date:4/4/2011

SAN JOSE, Calif., April 4, 2011 /PRNewswire/ -- Researchers from IBM (NYSE: IBM) and the Institute of Bioengineering and Nanotechnology have made a nanomedicine breakthrough in which new types of polymers were shown to physically detect and destroy antibiotic-resistant bacteria and infectious diseases like Methicillin-resistant Staphylococcus aureus, known as MRSA, while leaving healthy cells unharmed.

(Logo:  http://photos.prnewswire.com/prnh/20090416/IBMLOGO)

Discovered by applying principles used in IBM's advanced semiconductor development, these nanostructures are physically attracted to infected cells like a magnet, allowing them to selectively eradicate difficult to treat bacteria without destroying healthy cells around them. These agents also prevent bacteria from developing drug resistance by actually breaking through the bacterial cell wall and membrane, a fundamentally different mode of attack compared to traditional antibiotics.  

MRSA is just one type of dangerous bacteria that is commonly found on the skin and easily contracted in places like gyms, schools and hospitals where people are in close contact. In 2005, MRSA was responsible for nearly 95,000 serious infections, and associated with almost 19,000 hospital stay-related deaths in the United States.(i)

The challenge with infections like MRSA is two fold. First, drug resistance occurs because microorganisms are able to evolve to effectively resist antibiotics because current treatments leave their cell wall and membrane largely undamaged. Additionally, the high doses of antibiotics needed to kill such an infection indiscriminately destroy healthy red blood cells in addition to contaminated ones.

"The number of bacteria in the palm of a hand outnumbers the entire human population," said Dr. James Hedrick, Advanced Organic Materials Scientist, IBM R
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SOURCE IBM
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