Abstract: This disclosure provides, inter alia, proteins that bind to FcRn, e.g., immunoglobulins that inhibit FcRn with high affinity and selectivity. The FcRn-binding proteins can be used to treat a variety of disorders including autoimmune disorders.

Abstract: This disclosure provides, inter alia, proteins that bind to FcRn, e.g., immunoglobulins that inhibit FcRn with high affinity and selectivity. The FcRn-binding proteins can be used to treat a variety of disorders including autoimmune disorders.

Abstract: The invention relates to a chimeric protein comprising at least one clotting factor and at least a portion of an immunoglobulin constant region. The invention relates to a method of treating a hemostatic disorder comprising administering a therapeutically effective amount of a chimeric protein wherein the chimeric protein comprises at least one clotting factor and at least a portion of an immunoglobulin constant region.

Abstract: The invention relates to a chimeric monomer-dimer hybrid protein wherein said protein comprises a first and a second polypeptide chain, said first polypeptide chain comprising at least a portion of an immunoglobulin constant region and a biologically active molecule, and said second polypeptide chain comprising at least a portion of an immunoglobulin constant region without the biologically active molecule of the first chain. The invention also relates to methods of using and methods of making the chimeric monomer-dimer hybrid protein of the invention.

Abstract: The invention relates to a chimeric protein comprising at least one clotting factor and at least a portion of an immunoglobulin constant region. The invention relates to a method of treating a hemostatic disorder comprising administering a therapeutically effective amount of a chimeric protein wherein the chimeric protein comprises at least one clotting factor and at least a portion of an immunoglobulin constant region.

Abstract: This disclosure provides, inter alia, proteins that bind to FcRn, e.g., immunoglobulins that inhibit FcRn with high affinity and selectivity. The FcRn-binding proteins can be used to treat a variety of disorders including autoimmune disorders.

Abstract: The invention relates to a chimeric monomer-dimer hybrid protein wherein the protein comprises a first and a second polypeptide chain, the first polypeptide chain comprising at least a portion of an immunoglobulin constant region and a biologically active molecule, and the second polypeptide chain comprising at least a portion of an immunoglobulin constant region without the biologically active molecule of the first chain. The invention also relates to methods of using and methods of making the chimeric monomer-dimer hybrid protein of the invention.

Abstract: The invention provides novel heterodimeric fusion proteins comprising a first polypeptide including an alpha subunit of FSH (?FSH) linked directly or indirectly to a binding partner of neonatal Fc receptor (FcRn) and a second polypeptide including a beta subunit of FSH (?FSH) linked directly or indirectly to an FcRn binding partner. In one embodiment the FcRn binding partner includes an Fc fragment of an immunoglobulin, e.g., an Fc fragment of IgG. Also provided are methods making and using the fusion proteins of the invention. The invention provides a method for increasing fertility in a subject and a method for treating a subject having a disease state responsive to treatment by FSH.

Abstract: This disclosure provides, inter alia, proteins that bind to FcRn, e.g., immunoglobulins that inhibit FcRn with high affinity and selectivity. The FcRn-binding proteins can be used to treat a variety of disorders including autoimmune disorders.

Abstract: The invention relates to peptides which bind to human FcRn and inhibit binding of the Fc portion of an IgG to an FcRn, thereby modulating serum IgG levels. The disclosed compositions and methods may be used for example, in treating autoimmune diseases and inflammatory disorders. The invention also relates to methods of using and methods of making the peptides of the invention.

Abstract: The invention relates to peptides derivatized with a hydrophilic polymer which, in some embodiments, bind to human FcRn and inhibit binding of the Fc portion of an IgG to an FcRn, thereby modulating serum IgG levels. The disclosed compositions and methods may be used in some embodiments, for example, in treating autoimmune diseases and inflammatory disorders. The invention also relates, in further embodiments, to methods of using and methods of making the peptides of the invention.

Abstract: Compositions and methods for preparing Factor IX, Factor IX-containing fusion proteins, and Factor IX-containing conjugates with processing of Factor IX propeptide by PC5, are provided. In one embodiment PC5 is used to process a precursor polypeptide for a Factor IX-Fc monomer-dimer hybrid.

Abstract: The invention relates to a chimeric protein comprising at least one clotting factor and at least a portion of an immunoglobulin constant region. The invention relates to a method of treating a hemostatic disorder comprising administering a therapeutically effective amount of a chimeric protein wherein the chimeric protein comprises at least one clotting factor and at least a portion of an immunoglobulin constant region.

Abstract: The invention relates to a chimeric monomer-dimer hybrid protein that comprises a first and a second polypeptide chain, the first polypeptide chain comprising at least a portion of an immunoglobulin constant region and a biologically active molecule, and the second polypeptide chain comprising at least a portion of an immunoglobulin constant region without the biologically active molecule of the first polypeptide chain. The invention also relates to methods of using and methods of making the chimeric monomer-dimer hybrid protein of the invention.

Abstract: Natriuretic peptide fusion proteins comprising natriuretic peptides linked to antibody Fc domains, nucleic acid molecules encoding the fusion proteins disclosed herein, expression vectors expressing said fusion proteins, pharmaceutical compositions comprising said fusion proteins, and methods for their therapeutic use are disclosed.

Abstract: The invention provides methods of chemically synthesizing chimeric proteins comprising at least a portion of an immunoglobulin constant region and a biologically active molecule.

Abstract: Compositions and methods for preparing Factor IX, Factor IX-containing fusion proteins, and Factor IX-containing conjugates with processing of Factor IX propeptide by PC5, are provided. In one embodiment PC5 is used to process a precursor polypeptide for a Factor IX-Fc monomer-dimer hybrid.

Abstract: This disclosure provides, inter alia, proteins that bind to FcRn, e.g., immunoglobulins that inhibit FcRn with high affinity and selectivity. The FcRn-binding proteins can be used to treat a variety of disorders including autoimmune disorders.

Abstract: Compositions and methods for preparing Factor IX, Factor IX-containing fusion proteins, and Factor IX-containing conjugates with processing of Factor IX propeptide by PC5, are provided. In one embodiment PC5 is used to process a precursor polypeptide for a Factor IX-Fc monomer-dimer hybrid.

Abstract: The invention relates to a chimeric monomer-dimer hybrid protein wherein said protein comprises a first and a second polypeptide chain, said first polypeptide chain comprising at least a portion of an immunoglobulin constant region and a biologically active molecule, and said second polypeptide chain comprising at least a portion of an immunoglobulin constant region without the biologically active molecule of the first chain. The invention also relates to methods of using and methods of making the chimeric monomer-dimer hybrid protein of the invention.