48results about "Antibodies" patented technology

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.

Complexes containing one or more modular recognition domains (MRDs) and MRDs attached to scaffolds including antibodies are described. The manufacture of these complexes are the use of these complexes to treat and diagnose diseases and disorders are also described.

Prodrugs that are activated by and conjugated to a catalytic antibody conjugated to a moiety that binds to a tumor cell population are provided.

A process for producing an antibody enzyme which involves an antibody structure analysis step of confirming the presence of a catalyst triplet residue structure wherein a serine residue, an aspartate residue and a histidine residue or a glutamate residue are located stereostructurally close to each other in the stereostructure of an antibldy anticipated based on its amino acid sequence. Since the above-described catalyst triplet residue structure is a structure specific to an antibody enzyme, an antibody enzyme can be efficiently screened by using the same. Examples of the antibody enzyme as described above include an antibody enzyme against Helicobacter pylori urease and an antibody enzyme against chemokine receptor CCR-5.

Catalytic antibodies are disclosed. The catalytic antibodies are specific for prodrug compounds. The catalytic antibodies enhance cleavage of an active drug moiety from a prodrug residue, thereby activating the drug.

The invention discloses a method for preparing L-phosphinothricin through de-racemization by a biological enzyme method, a phosphinothricin dehydrogenase mutant and an application. According to the method for preparing L-phosphinothricin through de-racemization by a biological enzyme method, D,L-phosphinothricin is used as a raw material, through catalysis with a multienzyme catalysis system, theL-phosphinothricin is obtained, wherein the enzyme catalysis system comprises D-amino acid oxidase which is used for catalyzing D-phosphinothricin in the D,L-phosphinothricin into 4-(hydroxymethylphosphinyl)-2-oxobutanoic, and the phosphinothricin dehydrogenase mutant which is used for performing catalytic reduction on the 4-(hydroxymethylphosphinyl)-2-oxobutanoic to obtain the L-phosphinothricin,the phosphinothricin dehydrogenase mutant is obtained through mutation of phosphinothricin dehydrogenase in wild mushrooms Thiopseudomonas denitrificans, and a mutation site is V377S. The phosphinothricin dehydrogenase mutant disclosed by the invention has better catalysis efficiency, when a catalytic reaction is performed by using racemation D,L-phosphinothricin as a substrate, the conversion rate is far higher than that of a catalytic reaction performed by using a wild type enzyme as a substrate, and the PPO yield is also substantially increased.

Transition state analogs are described which may be used to elicit antibodies that catalyze the conversion of asparagine to aspartic acid. Synthetic schemes are disclosed for making the transition state analogs which can than be attached to a carrier molecule to form an immunoconjugate. Immunoconjugates can be administered to an animal for the purpose of raising antibodies. Antibodies can in turn be used in pharmaceutical compositions which can be given to patients as part of a method of treating various conditions, particularly cancer.

The present invention relates to expression and assembly of foreign multimeric proteins—e.g., antibodies—in plants, as well as to transgenic plants that express such proteins. In one of several preferred embodiments, the generation and assembly of functional secretory antibodies in plants is disclosed. The invention also discloses compositions produced by the transgenic plants of the present invention and methods of using same.

Disclosed are a cell-penetrating, base sequence-specific, nucleic acid-hydrolyzing antibody, a method of preparing the same, and a pharmaceutical composition comprising the same. The antibody can be prepared by modifying a particular site of a cell-penetrating, nucleic acid-hydrolyzing antibody which lacks substrate specificity to impart sequence specificity thereto without alteration in nucleic acid-hydrolyzing ability. The antibody, when penetrating into cells by itself or ectopically expressed within cells, binds specifically to single- or double-stranded nucleic acid targets and hydrolyzes them, thus downregulating the expression of the targeted genes.

The present invention describes the composition of class and subclass selected pooled human immunoglobulins with catalytic activity, methods of preparation thereof, and therapeutic utility thereof.

There are provided an anti-nucleic acid antibody inducing cell death of cancer cells by invading normal cells; and a composition for preventing or treating cancers comprising the anti-nucleic acid antibody, which shows anticancer effect of an anti-nucleic acid antibody that shows cytotoxicity by damaging nucleic acid strands, that is, genetic information of a cancer cell when the anti-nucleic acid antibody, which has binding activity and degrading activity to the nucleic acid strands in cells at the same time, is overexpressed in the cancer cell, or flows in the cancer cell. Therefore, the composition for treating cancers may be useful to induce the selective cell death in cancer cells than in normal cells since the anti-nucleic acid antibody very easily permeates into the cancer cells due to the excellent selectivity, compared to the normal cells.

The present invention provides: a novel antiviral agent containing a human antibody κ light chain, a novel human abzyme containing a human antibody κ light chain; a polynucleotide, a vector, and a transformant, each of which relating to the containing a human antibody κ light chain of the above; a primer set for effectively obtaining a human antibody κ light chain having a function as an antiviral agent or abzyme; and a method for producing a polynucleotide and a method for producing a polypeptide, each of which method utilizes the primer set.

The present invention relates generally to a growth factor precursor and its use to select production of antigen specific catalytic antibodies. Such catalytic antibodies are produced following B cell activation and proliferation induced by catalytic cleavage products of a target antigen portion of the growth factor precursor of the present invention. A particularly useful form of the growth factor precursor is as a nucleic acid vaccine. The nucleic acid vaccine of the present invention preferably further comprises a molecular adjuvant. Another aspect of the present invention comprises a growth factor precursor in multimeric form. The growth factor precursor of the present invention is useful for generating catalytic antibodies for both therapeutic, diagnostic and industrial purposes.

Methods for the generation of new compounds are disclosed. The present invention eliminates the need to know in advance the structure or chemical composition of a compound having a desired property. The disclosure of the present invention provides that diversity of unknown compounds may be produced by “random” chemistry, and such a diversity of unknown compounds may be screened for one or more desired properties to detect the presence of suitable compounds. In one aspect, a starting group of organic compounds is caused to undergo a series of chemical reactions to create a diversity of new organic compounds that are screened for the presence of organic compounds having the desired property. In another aspect of the present invention, a diversity of compounds is generated from a group of substrates which are subjected to a group of enzymes representing a diversity of catalytic activities.

The present invention is drawn to artificial metalloenzymes for use in cyclopropanation reactions, amination and C—H insertion.

The present invention relates to the identification of lipid oxidising antibodies as a key pathogenic factor in atherosclerotic disorders. These disorders may be treated by inhibiting this antibody mediated lipid oxidation and methods and means for identifying and producing inhibitory agents are provided.