ENCAPSULATED CELLS CONTAINING AN AMPLIFIED EXPRESSION VECTORAS A DRUG DELIVERY DEVICE

摘要

The present invention provides a drug delivery device comprising encapsulate d cells that contain multiple copies of an expression cassette. The drug delivery device of the present invention is useful to supply an animal, including a human, with a therapeutically desirable molecule, including physiological activites laking in disease conditions or antagonists against conditions in an animal, especially a human.