Lupus, an autoimmune disease, turned up on the front page, right side of today’s Wall Street Journal. It cropped up, also, on the first page of the New York Times business section, and elsewhere. Scientific American published a nice on-line review, just now. The reason is that yesterday the FDA approved a new, monoclonal antibody for treatment of this condition.
The drug, Benlysta (belimumab), targets a molecule called BlyS (B-lymphocyte Stimulator). The newspapers uniformly emphasize that this drug marks some sort of triumph for Human Genome Sciences, a biotech company that first reported on BlyS in the journal Science way back in 1999. BlyS triggers B cells to produce antibodies that, in patients with lupus tend to bind and destroy their own cells’ needed machinery, causing various joint, lung, liver, kidney, brain, blood vessel and other sometimes life-threatening problems. So if and when Benlysta works, it probably does so by blocking aberrant, autoimmune B cell
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