* An article on Parkinson's disease gene therapy in BioWorldToday (Oct. 11, p. 1) stated that adeno-associated virus (AAV)cannot enter mammalian cells "unless in close company of anadenovirus." John Monahan, president and CEO of Avigen Inc.,Alameda, Calif., differs. "There is no evidence," he writes, "thatadenovirus . . . is necessary for AAV to get into a cell . . . I amassuming the confusion arose because many of the systems formaking AAV vectors in the laboratory require adenovirus."* An Other News To Note item in the Oct. 7 issue of BioWorldToday should have said SangStat Medical Corp., of Menlo Park,Calif., developed Pra-Stat and Baxter Healthcare Corp., ofDeerfield, Ill., has marketing rights.

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