A Model Mouse

Can an accidental rodent strain unlock secrets of rheumatoid arthritis?

When it comes to biomedical research, it’s a zoo out there. To understand and develop treatments for human diseases, scientists are increasingly turning to monkeys, dogs, rodents, and other animals with seemingly related conditions or symptoms. In part because of biologists’ growing capability to genetically engineer mice, the number of these animal models has exploded over the past decade.