SCIENCE IN THE NEWS WEEKLY
B Cells Show Promise Against Sepsis
A new study shows that immune cells known B cells forestall sepsis in mice, a discovery that may help researchers devise better treatments for the illness. Despite antibiotics and other treatments, about 25% of sepsis patients die.
In other biomedical news, the fruitfly genome has been mapped in three dimensions, an important step towards understanding whether, and how, the structure of the genome affects its function.
Surgeons replaced the cancerous windpipe of a Maryland man with one made in a laboratory. They synthetic windpipe, or trachea, made from minuscule plastic fibers and covered in stem cells taken from the man's bone marrow, was transplanted successfully in Sweden.
An incurable form of tuberculosis has been identified in India, raising further concerns over increasing drug resistance to the disease. The discovery makes India the third country in which a completely drug-resistant form of the disease has emerged, following cases documented in Italy in 2007 and Iran in 2009.
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