Patent 7871624 was granted and assigned to Saint Louis University on January, 2011 by the United States Patent and Trademark Office.
The invention is directed to chimeral fusion proteins having an IgG1 antibody Fc portion and a lysosomal storage enzyme, particularly a Fc-GUS fusion protein useful in treating Sly's disease in an embryo or fetus. The invention is also directed to methods of treating in born errors of metabolism, particularly Sly's disease, in a fetus by delivering to a pregnant mother a Fc-MPS emzyme fusion protein.