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34421results about "Antibody ingredients" patented technology

Glycosylation engineering of antibodies for improving antibody-dependent cellular cytotoxicity

InactiveUS6602684B1Increase healing valueEnhanced Fc-mediated cellular cytotoxicityNanotechFungiAntibody fragmentsADAMTS Proteins
The present invention relates to the field glycosylation engineering of proteins. More particular, the present invention is directed to the glycosylation engineering of proteins to provide proteins with improved therapeutic properties, e.g., antibodies, antibody fragments, or a fusion protein that includes a region equivalent to the Fc region of an immunoglobulin, with enhanced Fc-mediated cellular cytotoxicity.
Owner:ROCHE GLYCART AG

Alteration of FcRn binding affinities or serum half-lives of antibodies by mutagenesis

The present invention provides for a modified antibody of class IgG, in which at least one amino acid from the heavy chain constant region selected from the group consisting of amino acid residues 250, 314, and 428 is substituted with another amino acid which is different from that present in the unmodified antibody, thereby altering the binding affinity for FcRn and / or the serum half-life in comparison to the unmodified antibody.
Owner:ABBOTT BIOTHERAPEUTICS CORP

Soluble glycosaminoglycanases and methods of preparing and using soluble glycosaminogly ycanases

The invention relates to the discovery of novel soluble neutral active Hyaluronidase Glycoproteins (sHASEGPs), methods of manufacture, and their use to facilitate administration of other molecules or to alleviate glycosaminoglycan associated pathologies. Minimally active polypeptide domains of the soluble, neutral active sHASEGP domains are described that include asparagine-linked sugar moieties required for a functional neutral active hyaluronidase domain. Included are modified amino-terminal leader peptides that enhance secretion of sHASEGP. The invention further comprises sialated and pegylated forms of a recombinant sHASEGP to enhance stability and serum pharmacokinetics over naturally occurring slaughterhouse enzymes. Further described are suitable formulations of a substantially purified recombinant sHASEGP glycoprotein derived from a eukaryotic cell that generate the proper glycosylation required for its optimal activity.
Owner:HALOZYME

Soluble glycosaminoglycanases and methods of preparing and using soluble glycosaminoglycanases

The invention relates to the discovery of novel soluble neutral active Hyaluronidase Glycoproteins (sHASEGPs), methods of manufacture, and their use to facilitate administration of other molecules or to alleviate glycosaminoglycan associated pathologies. Minimally active polypeptide domains of the soluble, neutral active sHASEGP domains are described that include asparagine-linked sugar moieties required for a functional neutral active hyaluronidase domain. Included are modified amino-terminal leader peptides that enhance secretion of sHASEGP. The invention further comprises sialated and pegylated forms of a recombinant sHASEGP to enhance stability and serum pharmacokinetics over naturally occurring slaughterhouse enzymes. Further described are suitable formulations of a substantially purified recombinant sHASEGP glycoprotein derived from a eukaryotic cell that generate the proper glycosylation required for its optimal activity.
Owner:HALOZYME

Multivalent antibodies and uses therefor

The present application describes engineered antibodies, with three or more functional antigen binding sites, and uses, such as therapeutic applications, for such engineered antibodies.
Owner:GENENTECH INC

Human CTLA-4 antibodies

The present invention provides human sequence antibodies against CTLA-4 and methods of treating human diseases, infections and other conditions using these antibodies.
Owner:ER SQUIBB & SONS INC

PD-1 binding proteins

The present invention features PD-1 binding proteins, a subset of which inhibits binding of PD-L1 to the PD-1 receptor. These binding proteins can be employed to modulate the immune system through the manipulation of the PD-1 signaling pathway, enhancing host immunity to treat infections and cancer.
Owner:MERCK SHARP & DOHME LLC

Variable domain library and uses

The invention provides polypeptides comprising a variant heavy chain variable framework domain (VFR). In some embodiments, the amino acids defining the VFR form a loop of an antigen binding pocket. In an embodiment, the polypeptide is a variable domain of a monobody and has a variant VFR. The polypeptide may optionally comprise one or more complementary determining regions (CDRs) of antibody variable domains. In an embodiment, the polypeptide is a variable domain of a monobody and has a variant VFR and one or more variant CDRs. Libraries of polypeptides that include a plurality of different antibody variable domains generated by creating diversity in a VFR, and optionally, one or more CDRs are provided and may be used as a source for identifying novel antigen binding polypeptides that can be used therapeutically or as reagents. The invention also provides fusion polypeptides, compositions, and methods for generating and using the polypeptides and libraries.
Owner:GENENTECH INC

Simultaneous stimulation and concentration of cells

The present invention relates generally to methods for stimulating cells, and more particularly, to a novel method to concentrate and / or stimulate cells that maximizes stimulation and / or proliferation of such cells. In the various embodiments, cells are stimulated and concentrated with a surface yielding enhanced proliferation, cell signal transduction, and / or cell surface moiety aggregation. In certain aspects methods for stimulating a population of cells such as T-cells, by simultaneous concentration and cell surface moiety ligation are provided by contacting the population of cells with a surface, that has attached thereto one or more agents that ligate a cell surface moiety and applying a force that predominantly drives cell concentration and cell surface moiety ligation, thereby inducing cell stimulation, cell surface moiety aggregation, and / or receptor signaling enhancement. Also provided are methods for producing phenotypically tailored cells, including T-cells for the use in diagnostics, drug discovery, and the treatment of a variety of indications, including cancer, viral infection, and immune related disorders. Compositions of cells having specific phenotypic properties produced by these processes are further provided.
Owner:LIFE TECH CORP

Binding polypeptides with restricted diversity sequences

InactiveUS20070237764A1Small sizeHigh-quality target binding characteristicFermentationVector-based foreign material introductionHeterologousAntigen binding
The invention provides variant CDRs comprising highly restricted amino acid sequence diversity. These polypeptides provide a flexible and simple source of sequence diversity that can be used as a source for identifying novel antigen binding polypeptides. The invention also provides these polypeptides as fusion polypeptides to heterologous polypeptides such as at least a portion of phage or viral coat proteins, tags and linkers. Libraries comprising a plurality of these polypeptides are also provided. In addition, methods of and compositions for generating and using these polypeptides and libraries are provided.
Owner:GENENTECH INC

Binding polypeptides with diversified and consensus vh/vl hypervariable sequences

The invention provides variant hypervariable regions comprising selected amino acid sequence diversity. Libraries comprising a plurality of these polypeptides are also provided. In addition, methods of and compositions for generating and using these polypeptides and libraries are provided.
Owner:GENENTECH INC

Wound closure material

Articles are provided having no orientation or a multi-directional orientation. Such articles may be in the form of films, ribbons, sheets, and / or tapes and may be utilized as buttresses with a surgical stapling apparatus or as reinforcing means for suture lines. The articles may be produced with a polymeric material having an agent, such as a chemotherapeutic agent or a radiotherapeutic agent, incorporated therein or applied as a coating thereon.
Owner:TYCO HEALTHCARE GRP LP

Methods for selectively stimulating proliferation of T cells

Methods for inducing a population of T cells to proliferate by activating the population of T cells and stimulating an accessory molecule on the surface of the T cells with a ligand which binds the accessory molecule are described. T cell proliferation occurs in the absence of exogenous growth factors or accessory cells. T cell activation is accomplished by stimulating the T cell receptor (TCR) / CD3 complex or the CD2 surface protein. To induce proliferation of an activated population T cells, an accessory molecule on the surface of the T cells, such as CD28, is stimulated with a ligand which binds the accessory molecule. The T cell population expanded by the method of the invention can be genetically transduced and used for immunotherapy or can be used in methods of diagnosis.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY +2

Human antibodies that bind human IL-12 and methods for producing

Human antibodies, preferably recombinant human antibodies, that specifically bind to human interleukin-12 (hIL-12) are disclosed. Preferred antibodies have high affinity for hIL-12 and neutralize hIL-12 activity in vitro and in vivo. An antibody of the invention can be a full-length antibody or an antigen-binding portion thereof. The antibodies, or antibody portions, of the invention are useful for detecting hIL-12 and for inhibiting hIL-12 activity, e.g., in a human subject suffering from a disorder in which hIL-12 activity is detrimental. Nucleic acids, vectors and host cells for expressing the recombinant human antibodies of the invention, and methods of synthesizing the recombinant human antibodies, are also encompassed by the invention.
Owner:ABBVIE DEUTSHLAND GMBH & CO KG

Method of treating androgen independent prostate cancer

The present invention is directed to a method treating prostate cancer. The method comprises administering to a patient in need thereof at least one compound selected from N-methyl-Δ3,3′-dihydroindole-2,2′ diketone; N-1-(β-D-O-triacetyl-xylopranosyl)-Δ3,3′-dihydroindole-2,2′ diketone; and N-1-(β-D-O-triacetyl-xylopranosyl)-N′-methyl-Δ3,3′-dihydroindole-2,2′ diketone. Preferably the compound is in an amount sufficient to inhibit growth, invasion, and / or metastasis of prostate cancer cells.
Owner:NATROGEN THERAPEUTICS INT

Compositions of pd-1 antagonists and methods of use

Methods of treating cancer and infectious diseases utilizing a treatment regimen comprising administering a compound that reduces inhibitory signal transduction in T cells, in combination with a potentiating agent, such as cyclophosphamide, to produce potent T cell mediated responses, are described. Compositions comprising the PD-1 antagonists and potentiating agents useful in the methods of the invention are also disclosed.
Owner:MEDIMMUNE LLC

Cytotoxic agents comprising new maytansinoids

New thiol and disulfide-containing maytansinoids bearing a mono or di-alkyl substitution on the α-carbon atom bearing the sulfur atom are disclosed. Also disclosed are methods for the synthesis of these new maytansinoids and methods for the linkage of these new maytansinoids to cell-binding agents. The maytansinoid-cell-binding agent conjugates are useful as therapeutic agents, which are delivered specifically to target cells and are cytotoxic. These conjugates display vastly improved therapeutic efficacy in animal tumor models compared to the previously described agents.
Owner:IMMUNOGEN INC
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