Provided herein are antibodies, portions thereof, and
drug conjugates directed against
cadherin 15. Also provided are
nucleic acid sequences encoding the same; viral particles comprising the same, for example, for re-targeting viral particles to
muscle cells; compositions comprising the same and methods of using the same, for example, for treating a subject in need thereof, in some embodiments, the composition may be used in a subject, such as a subject having a
skeletal muscle related condition (e.g., X-linked myotubular
myopathy (XLMTM),
Duchenne muscular dystrophy (DMD), ankylosing
muscular dystrophy (DMI), facial shoulder brachial
muscular dystrophy type 1 (FSHD), congenital
muscular dystrophy type 1 (MDC1A), limb girdle muscular dystrophy, anti-
amyotrophy related
glycoprotein disease, etc.) or
rhabdomyosarcoma.