Abstract: A process for the production of a protein by cell culture, where the cells that produce the protein are cultured in the presence of a chemical agent that enhances the production of the protein.

Abstract: Immunostimulatory compositions that contain fused cells formed by fusion between dendritic cells and non-dendritic cells, methods of using these compositions, and methods of generating dendritic cell hybrids.

Abstract: The present invention provides a genomic DNA of Buchnera. That is, this invention provides genes derived from Buchnera sp., comprising DNA of the following (a) or (b); (a) a DNA selected from a group consisting of a DNA having a nucleotide sequence ranging from a start point to an end point as shown in Table 1 in a nucleotide sequence represented by SEQ ID NO:1, or a DNA complementary thereto, and (b) a DNA hybridizing to the DNA of (a) under stringent conditions and encoding a protein having a function same as that of the product expressed by the DNA.

Abstract: The present invention provides a monoclonal antibody which binds to a polypeptide as set forth in SEQ ID NO: 1 as described herein.

Abstract: The present invention relates to monoclonal antibodies immunospecific for &agr;d integrin, and antibodies that compete with said antibodies for &agr;d binding.

Abstract: The present invention comprises compositions and methods for treating a tumor or neoplastic disease in a host, The methods employ conjugates comprising superantigen polypeptides, nucleic acids with other structures that preferentially bind to tumor cells and are capable of inducing apoptosis. Also provided are superantigen-glycolipid conjugates and vesicles that are loaded onto antigen presenting cells to activate both T cells and NKT cells. Cell-based vaccines comprise tumor cells engineered to express a superantigen along with glycolipids products which, when expressed, render the cells capable of eliciting an effective anti-tumor immune response in a mammal into which these cells are introduced. Included among these compositions are tumor cells, hybrid cells of tumor cells and accessory cells, preferably dendritic cells.

Abstract: The invention relates to a monoclonal antibody specifically recognizing lipocalin-type prostaglandin D synthase (L-PGDS), a hybridoma producing the monoclonal antibody, methods for detection of L-PGDS or diseases by the monoclonal antibody, and a kit for detection of L-PGDS by the monoclonal antibody. According to the invention, there is provided a monoclonal antibody specific to L-PGDS.

Abstract: Disclosed is a composition for inhibiting the interactions of B7-1 and B7-2 with their natural ligands. Such compositions comprise an antibody specific for B7-2 and an antibody specific for B7-1, in a pharmaceutically acceptable carrier. The composition may be formulated for either separate or combined administration of the antibody components. The antibodies may be monoclonal antibodies, or humanized antibodies. Preferred antibodies are disclosed.

Abstract: This invention relates to a method for using an animal organism to produce monoclonal antibodies and/or human growth factors and/or for producing human immunoglobulins and blood components, and/or for producing polyclonal antiserums and/or for testing potential vaccines against infections. According to the invention, a human or animal stem cell is transplanted into a fertilised ovum of the animal organism to produce an intact human or animal haematopoiesis.

Abstract: DNA encoding Antibodies to tumor necrosis factor receptors (TNF-Rs) are disclosed. The antibodies are preferably those which inhibit the cytotoxic effect of TNF but not its binding to the TNF-Rs. Most preferably, the antibodies bind to an extracellular domain of the C-terminal cysteine loop of the p75 TNF receptor, which loop consists of the amino acid sequence Cys-185 to Thr-201 of SEQ ID NO:3.

Abstract: The present invention disclosed recombinant anti-VLA-4 antibody molecules, including humanized recombinant anti-VLA-4 antibody molecules. These antibodies are useful in the treatment of specific and non-specific inflammation, including asthma and inflammatory bowel disease. In addition, the humanized recombinant anti-VLA-4 antibodies disclosed can be useful in methods of diagnosing and localizing sites of inflammation.

Abstract: Disclosed are a receptor protein which recognize a novel cytokine, i.e., interleukin-18, a monoclonal antibody specific to the protein, and uses thereof. The receptor protein is useful as pharmaceutical to treat and prevent autoimmune and allergic disease because it suppresses and regulates excessive immunoreaction. The monoclonal antibody specifically reacts with interleukin-18 receptor, exhibiting efficacy in purification, detection and inhibition of interleukin-18 receptor.

Abstract: An isolated antibody that specifically binds a peptide coded by a nucleotide sequence coding for a variable region of &agr; chain of an human T lymphocyte receptor, said nucleotide sequence having a nucleotide sequence chosen from any of: V&agr; segments having any one of the sequences SEQ ID Nos. 1 to 11 or J&agr; segments having one of the sequence SEQ ID Nos. 13 or 15 to 19 and hybridomas producing said antibodies.

Abstract: The invention relates to a method and compositions for modifying a phenotype of a virus, such as viral tropism and host range, by iterative sequence recombination of variant viruses and selection of improved variants.

Abstract: The present invention provides monoclonal antibodies, and portions thereof, which are capable of specifically binding to human vascular endothelial cell growth factor (hVEGF) or hVEGF-related protein. The invention also provides hybridoma cell lines that produce such monoclonal antibodies. The monoclonal antibodies of the invention are useful as therapeutic agents, either by themselves or in conjunction with cytotoxic or other chemotherapeutic agents, to treat diseases that are characterized by excessive vascular endothelial cell proliferation. The monoclonal antibodies of the invention also are useful in diagnostic and analytical methods for determining the presence of hVEGF or hVEGF related-protein in a test sample.

Abstract: A human monoclonal antibody useful for the treatment of various diseases caused by human connective tissue growth factor (CTGF) and preventing the onset of the above diseases; medicinal uses thereof; and various monoclonal antibodies having various characteristics against various mammalian CTGFs useful for detecting and assaying CTGFs present in body fluids of mammals suffering from various diseases.

Abstract: A human hMutT2 polypeptide and DNA (RNA) encoding such polypeptide and a procedure for producing such polypeptide by recombinant techniques is disclosed. Also disclosed are methods for utilizing such polypeptide for hydrolyzing and eliminating oxidized guanine nucleotides from the nucleotide pool to ensure correct DNA synthesis. Diagnostic assays are also disclosed which detect the presence of a mutated form of hMutT2 and over-expression of the hMutT2 protein.

Abstract: A monoclonal antibody which binds to baboon and human CD2, and in particular LO-CD2b antibody. The antibody may be employed to prevent and inhibit an immune response in human patients, such as when the immune response is mediated by the activation and proliferation of T-cells or natural killer cells.

Abstract: The invention relates to C5 inhibitors, which inhibit type II endothelial cell activation, wherein the inhibition is manifested by the suppression of E-selectin. These inhibitors are useful in treatment of delayed xenograft rejection or acute vascular rejection. The inhibitors include antibody molecules, as well as homologues, analogues and modified or derived forms thereof, including immunoglobulin fragments like Fab, F(ab′)2 and Fv, small molecules, including peptides, oligonucleotides, peptidomimetics and organic compounds. Examples of monoclonal antibodies, which bind to and inhibit C5, were generated and are designated MAb 137-76 and MAb 137-30.

Abstract: The present invention relates to an antibody or functional portion thereof which binds to a mammalian (e.g., human) chemokine receptor 5 protein (CKR-5 or CCR5) or portion of the receptor. The invention further relates to a method of inhibiting the interaction of a cell bearing mammalian CCR5 with a ligand thereof. Another aspect of the invention relates to a method of inhibiting HIV infection of a cell which expresses a mammalian CCR5 or portion thereof using the antibodies described herein. Also encompassed by the present invention are methods of treating or preventing HIV in a patient.

Abstract: The present invention provides monoclonal antibodies and binding proteins which specifically bind to the IL-1 receptor. Also provided are methods for detecting IL-1 receptors on cells, and for detecting soluble IL-1 receptors in serum.

Abstract: The invention relates to a humanized anti-B7-2 antibody that comprises a variable region of nonhuman origin and at least a portion of an immunoglobulin of human origin. The invention also pertains to methods of treatment for various autoimmune diseases, transplant rejection, inflammatory disorders and infectious diseases by administering humanized anti-B7-2 and/or anti-B7-1 antibodies.

Abstract: The present invention relates generally to immunointeractive molecules and their use inter alia in the detection and/or purification of T-cell antigen binding molecules (TABMs). The ability to determine the presence and levels of particular TABMs provides a useful diagnostic procedures for a variety of disease conditions.

Abstract: The invention relates to anti-procalcitonin antibodies, their preparation and use, in particular in therapy and diagnostics. The antibodies comprise binding to procalcitonin but not to free calcitonin, free katacalcin and free N-procalcitonin.

Abstract: Provided are a monoclonal antibody making it possible to detect a native fibrin monomer, which is produced at the initial state of blood coagulation, and soluble fibrin; a hybridoma; and an immunoassay for detecting the initial stage of blood coagulation with high sensitivity, quickly, using the monoclonal antibody. Using a fibrinogen analog in blood as an immune source, cell fusion is carried out to prepare a monoclonal antibody which is not reactive with fibrinogen and is specifically and simultaneously reactive with a native fibrin monomer (that is, a fibrin monomer which is present in a body fluid, in particular in blood, and is not solubilized) and soluble fibrin. The fibrin monomer analog is preferably fibrinogen treated with bathroxobin, which is a snake venom.

Abstract: The present invention provides monoclonal antibodies, and portions thereof, which are capable of specifically binding to human vascular endothelial cell growth factor (hVEGF) or hVEGF-related protein. The invention also provides hybridoma cell lines that produce such monoclonal antibodies. The monoclonal antibodies of the invention are useful as therapeutic agents, either by themselves or in conjunction with cytotoxic or other chemotherapeutic agents, to treat diseases that are characterized by excessive vascular endothelial cell proliferation. The monoclonal antibodies of the invention also are useful in diagnostic and analytical methods for determining the presence of hVEGF or hVEGF related-protein in a test sample.

Abstract: Methods are provided for deuteration, tritiation, dedeuteration or detritiation of a carbonyl compound. A catalytic antibody that catalyzes an aldol addition reaction is contacted with a carbonyl compound to exchange at least one hydrogen atom of the carbonyl compound with a deterium or tritium atom of an isotopically enriched water molecule, or to exchange at least one deuterium or tritium atom of the carbonyl compound with a hydrogen atom. The aldol addition reaction may be between an aliphatic ketone donor and an aldehyde acceptor. Isotopically enriched water molecules include deuterium hydrogen oxide, dideuterium oxide, tritium hydrogen oxide, ditritium oxide and deuterium tritium oxide. The catalytic antibody may be that secreted by hybridoma 38C2 (ATCC HB 12005) or 33F12 (ATCC HB 12004).

Abstract: The present invention provides an anti-idiotypic monoclonal antibody which specifically induces an immune response against a glycosphingolipid. Additionally, this invention provides a method of producing the anti-idiotypic monoclonal antibody. Finally, this invention provides a composition of matter comprising an effective amount of a cytokine and a melanoma ganglioside-specific antibody attached to a carrier.

Abstract: Human choline acetyltransferase polypeptide and DNA (RNA) encoding such polypeptide and a procedure for producing such polypeptide by recombinant techniques is disclosed. Also disclosed are methods for utilizing such polypeptide for the treatment of cognitive and neurological deficiencies or mental disturbances such as degenerative nervous system disorders, for example, Alzheimer's Disease, ALS and other cholinergic defects, and antagonists for treating Parkinson's Disease and other disorders relating to an over-expression of acetylcholine. Also disclosed are diagnostic methods for detecting a mutation in the human Choline Acetyltransferase nucleic acid sequence.

Abstract: The present invention features a method of producing a multimeric protein from a hybrid cell formed from the fusion of two or more cells, each of which cell is engineered to express one component of the multimeric protein, as well as a method for screening for successful fusion of the cells to produce a desired hybrid cell. The methods of the invention are widely applicable to the production of proteins having two or more components.

Abstract: The present invention relates, in general, to a screening method for identifying novel viral proteins with interferon antagonizing function using a transfection-based assay, and the use of such proteins in isolating various types of attenuated viruses for the development of vaccine and pharmaceutical formulations. The invention also relates to the use of viral interferon antagonists in screening assays to identify potential anti-viral agents. The invention further relates to protocols utilizing interferon antagonists, e.g., NS1, to enhance gene therapy or DNA vaccination based on their ability to increase gene expression.

Abstract: The present invention relates to ligands which bind to human tumour necrosis factor alpha (TNF) in a manner such that upon binding of these ligands to TNF the biological activity of TNF is modified. In preferred forms the ligand binds to TNF in a manner such that the induction of endothelial procoagulant activity of the TNF is inhibited; the binding of TNF to receptors on endothelial cells is inhibited; the induction of fibrin deposition in the tumour and tumour regression activities of the TNF are enhanced; and the cytotoxicity and receptor binding activities of the TNF are unaffected or enhanced on tumour cells. The ligand is preferably an antibody, F(ab) fragment, single domain antibody (dABs) single chain antibody or a serum binding protein. It is preferred, however, that the ligand is a monoclonal antibody or F(ab) fragment thereof.

Abstract: Methods for obtaining a protein by culture of hybridoma cells, wherein said protein is an immunoglobulin, are disclosed. The methods involve culturing animal hybridoma cells in continuous presence of an alkanoic acid or salt thereof, which enhances protein production, wherein said alkanoic acid or salt thereof is present at 2 concentration range of 0.1 mM to 200 mM.

Abstract: The invention relates to Cytostatin III polypeptides, polynucleotides encoding the polypeptides, methods for producing the polypeptides, in particular by expressing the polynucleotides, and agonists and antagonists of the polypeptides. The invention further relates to methods for utilizing such polynucleotides, polypeptides, agonists and antagonists for applications, which relate, in part, to research, diagnostic and clinical arts.

Abstract: Detection of mutations associated with hereditary diseases is complicated by the diploid nature of human cells. Mutations present in one allele are often masked by the wild-type sequence of the other allele. Individual alleles can be isolated from every chromosome within somatic cell hybrids generated from a single fusion. Nucleic acids from the hybrids can be analyzed for mutations in an unambiguous manner. This approach was used to detect two cancer-causing mutations that had previously defied genetic diagnosis. One of the families studied, Warthin Family G, was the first kindred with a hereditary colon cancer syndrome described in the biomedical literature.

Abstract: Disclosed herein are method for producing hydridoma cell lines producing monoclonal human natural IgM antibodies and hybridoma cells produced by the methods. The antibodies are the monoclonal equivalents of circulating human natural antibodies.

Abstract: A process for electrofusion of dendritic cells with abnormal cells, particularly tumor cells, that achieves a higher yield of fusion product, as well as a media that can be used in the process. The dendritic cells are combined with tumor cells and washed, if necessary, with a washing medium and then centrifuged. The resulting pellet is suspended in an electrofusion medium and then treated by electrofusion. The electrofusion medium contains sugar (20 mM/L to 150 mM/L), magnesium salt (0.05 mM/L to 1 mM/L) and calcium salt (0.01 mM/L to 1 mM/L), in pyrogen-free, sterile distilled water. The washing medium is a solution containing sugar (270 mM/L to 310 mM/L), magnesium salt (0.05 mM/L to 1 mM/L) and calcium salt (0.01 mM/L to 1 mM/L), in pyrogen-free, sterile distilled water.

Abstract: Catalytic monoclonal antibodies (abzymes) with selective protease activity in the pathologies characterized by the presence of plaques and fibrillar aggregates with protein component; methods for the preparation thereof and the use thereof as medicaments in the treatment of pathologies such as Alzheimer's disease, amyloidosis, atherosclerosis, prions diseases.

Abstract: The present invention provides a method to modulate immune responses using antigen presenting human mesenchymal stem cells to induce specific T cell anergy. The present invention also provides a method to modulate immune responses using human mesenchymal stem cells as a platform to express molecules which will induce T cell anergy.

Abstract: Disclosed is a cell which expresses a surface marker associated with a professional antigen presenting cell, and a fusogenic membrane protein, where the cell may also express at its surface a tumor cell marker. Also disclosed is a fusion hybrid formed by the fusion of a tumor cell and a professional antigen presenting cell (APC) such that the resulting fusion hybrid expresses an APC marker, a tumor cell marker, and a fusogenic membrane glycoprotein. Also disclosed are compositions comprising the cells and fusion hybrids, and methods of making and using the hybrids.

Abstract: This invention describes a protein-free production process for proteins having factor VIII procoagulant activity. The process includes the derivation of stable human cell clones with high productivity for B-domain deleted Factor VIII, and (2) the adaptation of cells to grow in a medium free of plasma-derived proteins.

Abstract: The present invention provides vascular endothelial cell growth factor (hVEGF) antagonists, including monoclonal antibodies, hVEGF receptors, and hVEGF variants that inhibit the mitogenic, angiogenic, or other biological activity of hVEGF. The antagonists thus are useful for the treatment of diseases and disorders characterized by undesirable or excessive endothelial cell proliferation or neovascularization. The monoclonal antibodies and receptors of the invention also are useful in diagnostic and analytical methods for determining the presence of hVEGF in a test sample.

Abstract: Compositions and methods of treating mammalian diseases using myoblasts, and/or their physical, genetic, chemical derivatives. Myogenic cells that are normal, or genetically or phenotypically altered are cultured and transplanted into malfunctioning and/or degenerative tissues or organs to alleviate conditions that are hereditary, degenerative, debilitating, undesirable, and/or fatal. Treatment of these conditions is not limited to the usage of mechanical, electrical or physical properties of these myogenic cells, but includes the usage of biochemicals secreted/released by the latter. The present invention discloses the use of normal myoblasts to deliver the complete normal genome to effect genetic repair, or to augment the size, or the function of tissues or organs. Certain conditions may be better served with genetically altered myogenic cells derived from gene transduction, whereas others may be better served with cytoclimes converter cells.

Abstract: The use of anti-C5 antibodies, e.g., monoclonal antibodies, to treat glomerulonephritis (GN) is disclosed. The administration of such antibodies at low dosage levels has been found to significantly reduce glomerular inflammation/enlargement and other pathologic conditions associated with GN. Also disclosed are anti-C5 antibodies and anti-C5 antibody-encoding nucleic acid molecules. These antibodies are useful in the treatment of GN and other inflammatory conditions involving pathologic activation of the complement system.

Abstract: The invention relates to hESF I, II and III polypeptides, polynucleotides encoding the polypeptides, methods for producing the polypeptides, in particular by expressing the polynucleotides, and agonists and antagonists of the polypeptides. The invention further relates to methods for utilizing such polynucleotides, polypeptides, agonists and antagonists for applications, which relate, in part, to research, diagnostic and clinical arts.

Abstract: The present invention provides for an isolated nucleic acid molecule encoding a light chain protein of an antibody, wherein the antibody binds specifically to a protein specifically recognized by monoclonal antibody 5c8 produced by the hybridoma having ATCC Accession Number HB 10916. The invention also provides for an isolated nucleic acid molecule encoding a heavy chain protein of an antibody, wherein the antibody binds specifically to a protein specifically recognized by monoclonal antibody 5c8 produced by the hybridoma having ATCC Accession Number HB 10916. The present invention also provides for a gene transfer vector comprising a nucleic acid molecule, a host vector system comprising the gene transfer vector, and a composition comprising a nucleic acid molecule.

Abstract: According to the invention, there is provided a human or animal cell expressing an antibody directed against a surface antigen on an antigen-presenting cell (APC) and lacking parental tumor-derived immunoglobulin.

Abstract: Antibodies specific for &bgr;6 integrins are provided.

Abstract: A method of treating graft-vs-host diseases by administration of bone marrow and an anti-gp39 antibody specific to human gp39 is provided.

Abstract: Nine efficient aldolase antibodies were generated using hapten 2. This hapten combines, in a single molecule, structural components employed for reactive immunization with structural components employed for forming a transition state analog of the aldol reaction. Characterization of two of these antibodies reveals that they are highly proficient (up to 1000-fold better than any other antibody catalyst) and enantioselective catalysts for aldol and retro-aldol reactions and exhibit enantio- and diastereo-selectivities opposite that of antibody 38C2.