Disclosed herein are fusion proteins comprising: (a) a first polypeptide comprising Interleukin-2 (IL2); and (b) a second polypeptide, fused in frame to the first polypeptide, wherein the second polypeptide comprises an extracellular domain of Interleukin-2 Receptor alpha (IL2Rα), wherein IL2 or IL2Rα comprises at least one fewer glycosylation site compared to native IL2 or native IL2Rα. Methods of production and methods of therapeutic use of the fusion proteins are also disclosed.

The present application describes an isolated nucleic acid molecule encoding a polypeptide capable of synchronously binding VEGF polypeptide and placenta growth factor (PIGF) polypeptide comprising a nucleotide sequence encoding a VEGFR1 component.

Disclosed is a fusion protein of a mutated recombinant single-chain human coagulation factor VIII (FVIII), a preparation method therefor, and a use thereof. The fusion protein sequentially comprises, from an N-terminus to a C-terminus, a mutated single-chain human FVIII having a partially deleted B-domain, a flexible peptide linker, at least one rigid unit of a carboxyl-terminal peptide of a human chorionic gonadotropin beta subunit, and a half-life prolonging moiety (preferably an IgG Fc variant). The fusion protein has a similar biological activity to a recombinant FVIII, a prolonged active half life in vivo, and better stability in vitro and in vivo, and thus improves the pharmacokinetics and efficacy of the fusion protein.

We describe a method of reducing batch-to-batch variation or increasing homogeneity between batches in the production of a recombinantly expressed polypeptide. The method comprises expressing the polypeptide in a Chinese hamster ovary (CHO) cell comprising reduced UDP-galactose transporter activity compared to a wild-type CHO cell. In some embodiments, the CHO cell further comprises reduced GDP-fucose transporter activity.

The present invention relates to peptides, in particular cell penetrating peptides, of 40 amino acid residues or less comprising at least one directly glycosylated amino residue and one or more arginine rich arm domains, and to conjugates of such cell penetrating peptides with a therapeutic molecule. The present invention further relates to the use of the peptides or conjugates in methods of treatment or as a medicament, especially in the treatment of genetic disorders of the central nervous system.

Disclosed are components, systems, and methods for glycoprotein or recombinant glycoprotein protein synthesis in vitro and in vivo. In particular, the present invention relates to components, systems, and methods for identifying amino acid glycosylation tag motifs for N-glycosyltransferases and the use of the identified amino acid glycosylation tag motifs in methods for preparing glycoproteins and recombinant glycoproteins in vitro and in vivo.

The present disclosure relates to glycoprotein CD52 and fusion proteins thereof, wherein the CD52 glycoprotein has α-2,3-sialylated N-glycans, O-glycosylation and a pI of about 5 to about 6. The disclosure further relates to the preparation and purification of these proteins and their use in the suppression of effector T-cell function and/or immune response, such as in the treatment of diseases or conditions mediated by effector T-cell function.

Methods of treating individuals with a glucose metabolism disorder and/or a body weight disorder, and compositions associated therewith, are provided.

Disclosed herein are fusion proteins comprising: (a) a first polypeptide comprising Interleukin-2 (IL2); and (b) a second polypeptide, fused in frame to the first polypeptide, wherein the second polypeptide comprises an extracellular domain of Interleukin-2 Receptor alpha (IL2Rα), wherein IL2 or IL2Rα comprises at least one fewer glycosylation site compared to native IL2 or native IL2Rα. Methods of production and methods of therapeutic use of the fusion proteins are also disclosed.

Polypeptides comprising at least one carboxy-terminal peptide (CTP) of chorionic gonadotrophin attached to the carboxy terminus but not to the amino terminus of a coagulation factor and polynucleotides encoding the same are disclosed. Pharmaceutical compositions comprising the polypeptides and polynucleotides of the invention and methods of using and producing same are also disclosed.