Antibodies can bind with high affinity and specificity to moleculesof virtually any shape and to antigens ranging from small organiccompounds to large proteins. These characteristics have ledto the widespread use of antibodies as laboratory reagents,in diagnostic tests, and for therapeutic purposes. The immunesystem produces antibodies by a process of natural selection.In this article we describe how the strategy of natural selectioncan be used in bacteria to produce antibodies with novel characteristicsand binding properties. This technology is opening up new diagnosticand therapeutic applications of antibodies.
From the Departments of Anesthesia and Pharmaceutical Chemistry, University of California, San Francisco, and San Francisco General Hospital, San Francisco.
Address reprint requests to Dr. James Marks at the Department of Anesthesia, Rm. 3C-38, San Francisco General Hospital, San Francisco, CA 94110.
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