摘要 |
Disclosed are methods of increasing serum exposure of an administered glial cell line-derived neurotrophic factor (GDNF) ligand family protein by administering to a subject via systemic delivery (i) a GDNF ligand family protein, and (ii) an amount of heparin or heparan sulphate that increases serum exposure of the administered GDNF ligand family protein in the subject.
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