2675 results about "Glutamine" patented technology

Disclosed are compounds that include two or more haptens conjugated by a spacer or a carrier. The haptens may include diethylenetriaminepentaacetate (DTPA), histimine-succinyl-glutamine (HSG), or combinations of DTPA and HSG. The compound also includes an effector molecule which may be conjugated to one or more of the haptens, the spacer / carrier, or both. The effector molecule may be conjugated by a number of linkages including an ester linkage, an imino linkage, an amino linkage, a sulfide linkage, a thiosemicarbazone linkage, a semicarbazone linkage, an oxime linkage, an ether linkage, or combinations of these linkages. Also disclosed are methods of synthesizing the compounds and / or precursors of the compounds.

The present invention relates to an immunoglobulin-binding protein, wherein at least one asparagine residue has been mutated to an amino acid other than glutamine or aspartic acid, which mutation confers an increased chemical stability at pH-values of up to about 13-14 compared to the parental molecule. The protein can for example be derived from a protein capable of binding to other regions of the immunoglobulin molecule than the complementarity determining regions (CDR), such as protein A, and preferably the B-domain of Staphylococcal protein A. The invention also relates to a matrix for affinity separation, which comprises an immunoglobulin-binding protein as ligand coupled to a solid support, in which protein ligand at least one asparagine residue has been mutated to an amino acid other than glutamine.

The present invention relates to a method and transdermal pharmaceutical composition for preventing or reducing the likelihood of calcium deficiency or imbalances caused by calcium deficiency. The transdermal pharmaceutical composition includes a therapeutically effective amount of a pharmaceutically acceptable salt of calcium and a pharmaceutically acceptable carrier constituting a pluronic lecithin organogel. In addition to calcium, the transdermal pharmaceutical composition may also contain a therapeutically effective amount of: (1) a pharmaceutically acceptably salt of other minerals such as magnesium, zinc, selenium, manganese, or chromium; (2) a vitamin such as vitamin A, vitamin D, vitamin C, vitamin E or B-complex vitamins, choline, lecithin, inositol, PABA, biotin, or bioflavomoids; (3) a carotenoid such as lycopene or lutein; (4) a hormone such as dehydroepiandrosterone, progesterone, pregnenolone, or melatonin; (5) an amino acid such as arginine, glutamine, lysine, phenylalanine, tyrosine, GABA, tryptophan, carnitine, or acetyl-l-carnitine; (6) a fatty acid such as a fish oil or flax seed oil; (7) a vita-nutrient such as coenzyme Q10; (8) a cartilage building nutrient such as glucosamine, chondroitin, or MSM, (9) a herb such as ginkgo biloba, echinacea, 5-HTP, St. John's wort, or saw palmetto; or (9) any combination thereof. The transdermal pharmaceutical composition may be topically administered to a human to prevent or reduce the likelihood of calcium deficiency or imbalances caused by calcium deficiency such as hypertension, high cholesterol, colon and rectal cancer, osteomalacia, rickets, osteoporosis, cardiovascular disease, preeclampsia, tooth decay, and premenstrual syndrome.

The present invention provides engineered polypeptide conjugates (e.g., antibody-drug-conjugates, toxin-(biocompatible polymer) conjugates, antibody-(biocompatible polymer) conjugates, and bispecific antibodies) comprising acyl donor glutamine-containing tags and amine donor agents. In one aspect, the invention provides an engineered Fc-containing polypeptide conjugate comprising the formula (Fc-containing polypeptide)-T-A, wherein T is an acyl donor glutamine-containing tag engineered at a specific site or comprises an endogenous glutamine made reactive by the Fc-containing polypeptide engineering, wherein A is an amine donor agent, and wherein the amine donor agent is site-specifically conjugated to the acyl donor glutamine-containing tag or the endogenous glutamine. The invention also provides methods of making engineered polypeptide conjugates using transglutaminase.

The present invention relates to the use of an alkali-stable protein, wherein at least one asparagine residue has been mutated to an amino acid other than glutamine or aspartic acid, which mutation confers an increased chemical stability at pH-values of up to about 13-14 compared to the parental molecule. The protein can for example be derived from a protein capable of binding to other regions of the immunoglobulin molecule than the complementarity determining regions (CDR), such as protein A, and preferably the B-domain of Staphylococcal protein A. The invention also relates to a matrix for affinity separation, which comprises an immunoglobulin-binding protein as ligand coupled to a solid support, in which protein ligand at least one asparagine residue has been mutated to an amino acid other than glutamine.

Compositions and methods of producing components of protein biosynthetic machinery that include orthogonal lysyl-tRNAs, orthogonal lysyl-aminoacyl-tRNA synthetases, and orthogonal pairs of lysyl-tRNAs / synthetases, which incorporate homoglutamines into proteins are provided in response to a four base codon. Methods for identifying these orthogonal pairs are also provided along with methods of producing proteins with homoglutamines using these orthogonal pairs.

PCT No. PCT / JP95 / 01994 Sec. 371 Date Sep. 8, 1997 Sec. 102(e) Date Sep. 8, 1997 PCT Filed Sep. 29, 1995 PCT Pub. No. WO96 / 10089 PCT Pub. Date Apr. 4, 1996A process for modifying a physiologically active peptide or a physiologically active protein which comprises reacting a physiologically active peptide or a physiologically active protein having at least a glutamine residue with a substance having an amino donor in the presence of a transglutaminase originating in a microorganism to thereby form an acid amide bond at the gamma -position acid amide group of the glutamine residue with the amino group of the amino donor; and the product of modification obtained thereby.

A method of administering parenterally, particularly intramuscularly, glutamine and cystine and glycine plus selenium; or lactalbumin plus selenium; or lactalbumin and glutamine and cystine and glycine plus selenium, through a long-acting pharmaceutically acceptable carrier to a patient. The method comprises injecting a mixture of glutamine, cystine, glycine, lactalbumin and selenium in order to maintain the mixture systemically or locally for a sufficient time period so as to maintain blood levels of glutathione within an improved therapeutic range.

A dietary supplement is provided that comprises creatine combined with ginseng and astragalus and, optionally, glutamine. The dietary supplement enhances the general energy boost and muscular strength increase achieved from the consumption of creatine alone.

An improved system for large scale production of proteins and / or polypeptides in cell culture, particularly in media characterized by one or more of: i) a cumulative amino acid concentration greater than about 70 mM; ii) a molar cumulative glutamine to cumulative asparagine ratio of less than about 2; iii) a molar cumulative glutamine to cumulative total amino acid ratio of less than about 0.2; iv) a molar cumulative inorganic ion to cumulative total amino acid ratio between about 0.4 to 1; or v) a combined cumulative glutamine and cumulative asparagine concentration between about 16 and 36 mM, is provided. The use of such a system allows high levels of protein production and lessens accumulation of certain undesirable factors such as ammonium and / or lactate. Additionally, culture methods including a temperature shift, typically including a decrease in temperature when the culture has reached about 20-80% of it maximal cell density, are provided. Alternatively or additionally, the present invention provides methods such that, after reaching a peak, lactate and / or ammonium levels in the culture decrease over time.

An improved system for large scale production of proteins and / or polypeptides in cell culture is provided. In accordance with the present invention, cells expressing the protein or polypeptide of interest are grown in media that comprise a glycolysis-inhibiting substance. Additionally and / or alternatively, cells expressing the protein or polypeptide of interest are grown in media in which glutamine is limited. The use of such a system allows high levels of protein or polypeptide production and lessens accumulation of undesirable metabolic waste products such as lactate. Proteins and polypeptides expressed in accordance with the present invention may be advantageously used in the preparation of pharmaceutical, immunogenic, agricultural or other commercial compositions.

The present invention relates to novel inhibitors of glutaminyl cyclase and combinations thereof for the treatment of neuronal disorders, especially Alzheimer's disease, Down Syndrome, Parkinson disease, Chorea Huntington, pathogenic psychotic conditions, schizophrenia, impaired food intake, sleep-wakefulness, impaired homeostatic regulation of energy metabolism, impaired autonomic function, impaired hormonal balance, impaired regulation, body fluids, hypertension, fever, sleep dysregulation, anorexia, anxiety related disorders including depression, seizures including epilepsy, drug withdrawal and alcoholism, neurodegenerative disorders including cognitive dysfunction and dementia.

The present invention provides novel physiological substrates of mammalian glutaminyl cyclase (QC, EC 2.3.2.5), new effectors of QC, methods for screening for such effectors, and the use of such effectors and pharmaceutical compositions comprising such effectors for the treatment of conditions that can be treated by modulation of QC-activity. Preferred compositions additionally comprise inhibitors of DP IV or DP IV-like enzymes for the treatment or alleviation of conditions that can be treated by modulation of QC- and DP IV-activity.

A composition of probiotics, vitamins and minerals, electrolytes with glutamine and glucose along with medium chain triglycerides are provided as a supplement to animals. This is administered to cattle, calves, sheep, pigs, horses, dogs, and cats that are experiencing stress and or are undergoing medical drug therapy to treat conditions of diseases along with pre and post operative surgical conditions. The composition helps correct imbalances in beneficial bacteria, provides energy and helps in rehydration to reduce recovery time from stress or in disease treatment in these animals.

An inhibitor of a glutaminyl peptide cyclotransferase, and use thereof for the treatment and / or prevention of a disease or disorder selected from the group consisting of inflammatory diseases selected froma. neurodegenerative diseases, e.g. mild cognitive impairment (MCI), Alzheimer's disease, neurodegeneration in Down Syndrome, Familial British Dementia, Familial Danish Dementia, multiple sclerosis,b. chronic and acute inflammations, e.g. rheumatoid arthritis, atherosclerosis, restenosis, pancreatitis,c. fibrosis, e.g. lung fibrosis, liver fibrosis, renal fibrosis,d. cancer, e.g. cancer / hemangioendothelioma proliferation, gastric carcinomas,e. metabolic diseases, e.g. hypertension,f. and other inflammatory diseases, e.g. neuropathic pain, graft rejection / graft failure / graft vasculopathy, HIV infections / AIDS, gestosis, tuberous sclerosis.Additionally disclosed are a respective diagnostic method, assay and kit.

Novel site-specific mono-conjugates of Granulocyte Colony Stimulating Factor (G-CSF) are hereby described, with analogues and derivatives thereof, which stimulate proliferation and differentiation of progenitor cells to mature neutrophiles. These conjugates have been obtained using transglutaminase to covalently and site-specifically bind a hydrophilic, non-immunogenic polymer to a single glutamine residue of the human G-CSF native sequence and analogues thereof. These novel site-specific mono-conjugated derivatives are recommended for therapeutic use since they are stable in solution and exhibit significant biological activity in vitro and a longer bloodstream half-life, as compared to the non-conjugated protein, with a consequent prolonged pharmacological activity.

The invention discloses a frozen dough modifying agent, which is prepared by evenly mixing an enzyme preparation (including one or a plurality of alpha-amylase, cellulose, hemicellulase, pentosanase, lipase, glucose oxidase, glutamine transaminage and so on), vitamin C, an emulsifying agent, a thickening agent, wheat gluten powder, lecithin and stuffing according to certain proportion. The frozen dough modifying agent has the advantages that the frozen dough modifying agent can effectively improve the stability of dough during fermentation and roasting processes, improve the freezing resistance property of yeasts, increase the volume of finished products, improve the tissue of the finished products, reduce the loss of the vitality of the yeasts during the freezing process, and effectively delay the aging of the finished products.

The present invention relates generally to glutamine-free cell culture media supplemented with arginine. The invention further concerns the production of recombinant proteins, such as antibodies, in arginine-supplemented glutamine-free mammalian cell culture.

The invention relates to a pig feed, in particular to a nursery pig concentrated feed, comprising the following raw materials by weight proportion: 30-50 of sucking pig composite vitamin, 30-50 of low copper mineral element, 60-100 of peeled soybean meal, 100-180 of fermented soybean meal, 100-150 of extruded soybean, 110-180 of steam fish meal, 50-100 of dried porcine soluble, 60-120 of acid whey powder, 80-90 of glucose powder, 5-10 of glutamine, 80-100 of chyle fat powder, 40-49 of calcium carbonate, 12-14 of basic zinc chloride, 4-6 of salt, 55-60 of calcium biphosphate, 6-10 of sodium butyrate, 12-15 of lysine, 6-8 of threonine, 4-6 of TP-100 enzyme, 4-5 of cysteine, 5-7 of se-enriched yeast and 6-10 of copper chloride hydroxide. The nursery pig concentrated feed has the advantages of milk nutrition composition simulation, good palatability, high digestibility, large feed intake because the baby pigs like to eat and improvement of survival rate as well as immunity of the nursery pigs.

The invention discloses freshwater fish feed and a preparation method thereof. The feed comprises the following materials in percentage by weight: 5%-17% of import fish powder, 8%-22% of flour, 3%-16% of potato starch, 3%-18% of beer yeast, 5%-15% of bean pulps, 5%-15% of peanut pulps, 5%-10% of rape seed cakes, 2%-8% of corn powder, 3%-9% of cooked egg protein, 5%-8% of dried meat floss powder, 1%-2% of liquid phytase, 1%-3% of non-starch polysaccharase, 0.5%-1.9% of glutamine, 1%-2% of microecological preparation and 1%-3% of immune polysaccharides. The preparation process comprises a crushing step, a mixing step, a pelletizing step and a spraying step. The freshwater fish feed has the beneficial effects of being capable of well satisfying the nutrition needs of freshwater fish, improving the immunity of the freshwater fish, prompting intestinal absorption and improving the production performance of the freshwater fish.

The present invention provides a method for determining whether a subject is suffering from celiac disease by contacting a sample of bodily fluid from the subject, with an antigen formed from a gliadin fusion protein immobilized on a solid support. The gliadin fusion protein of the antigen includes a recombinant deamidated gliadin linked to a tag such as Glutathione-S transferase (GST) protein. The antigen is prepared by immobilizing on the solid support the gliadin fusion protein via the tag. The antigen can further include tissue Transglutaminase (tTG) cross-linked to the gliadin fusion protein. When tTG is present, the tTG and recombinant deamidated gliadin are mixed together prior to immobilization to the solid phase.

A method of propagating mammalian endodermally derived progenitors such as hepatic progenitors, their progeny, or mixtures thereof is developed which includes culturing mammalian progenitors, their progeny, or mixtures thereof on a layer of embryonic mammalian feeder cells in a culture medium. The culture medium can be supplemented with one or more hormones and other growth agents. These hormones and other growth agents can include insulin, dexamethasone, transferrin, nicotinamide, serum albumin, beta-mercaptoethanol, free fatty acid, glutamine, CUSO4, and H2SeO3. The culture medium can also include antibiotics. Importantly, the culture medium does not include serum. The invention includes means of inducing the differentiation of the progenitors to their adult fates such as the differentiation of hepatic progenitor cells to hepatocytes or biliary cells by adding, or excluding epidermal growth factor, respectively. The method of producing mammalian progenitors is useful in that the progenitors can be used subsequently in one or more of the following processes: identification of growth and differentiation factors, toxicological studies, drug development, antimicrobial studies, or the preparation of an extracorporeal organ such as a bioartificial liver.