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August 2003 1869 French physician Dr. Jean-Martin Charcot is first to describe ALS. 1939 The "Iron Horse" of the New York Yankees, Lou Gehrig, ends his record consecutive games played streak at 2,130 after 14 seasons. Plagued by muscle weakness, he calls himself "the luckiest man on the face of the earth" at a recognition day on July 4. 1941 Gehrig, no longer able to walk, dies of ALS at age 37. Over the years ALS becomes known as Lou Gehrig’s disease. 1991 Scientists link familial ALS to human chromosome 21. 1993 Researchers identify a gene that, when defective, is responsible for familial ALS. The SOD1 gene on chromosome 21 is mutated in up to 20 percent of inherited cases. 1995 Rilutek®, the first treatment to alter the course of ALS, is approved by the U.S. Food and Drug Administration. The drug appears to increase survival of ALS patients, but more study is needed. 2001 Scientists report that defects in a gene on chromosome 2 can cause a rare form of ALS called ALS2. This is the second gene to be linked to ALS. 2003 Dr. John Hart of The University of Texas Health Science Center at San Antonio and collaborators are the first to generate X-ray crystal images of mutant SOD1 proteins. Related Stories
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