Provided herein are fusion proteins that comprise an enzyme replacement therapy enzyme and an Fc region, as well as methods of using such proteins to treat a lysosomal storage disorder. Methods for transporting agents across the blood-brain barrier are also provided herein.本文提供包含酶替代療法酶及Fc區之融合蛋白,以及使用此類蛋白質來治療溶酶體貯積症之方法。本文亦提供運送藥劑穿過血腦障壁之方法。