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375 results about "Peptide breakdown" patented technology
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Proteolysis is the breakdown of proteins into smaller polypeptides or amino acids. Uncatalysed, the hydrolysis of peptide bonds is extremely slow, taking hundreds of years.
Compositions and methods for enhancing structural and functional nervous system reorganization and recovery
InactiveUS20060104969A1Improve the degradation problemSimple structurePeptide/protein ingredientsInorganic phosphorous active ingredientsNervous systemDelivery vehicle
The present invention provides methods and compositions for enhancing recovery in a subject suffering from damage to the nervous system. In particular, the invention includes a method for promoting recovery and / or reorganization in the nervous system of a subject in need of enhancement of recovery and / or reorganization of the nervous system as a result of ischemic, hemorrhagic, neoplastic, degenerative, or traumatic damage by focally administering a composition comprising a proteolysis-enhancing agent such as tissue plasminogen activator (tPA), plasmin, or a PAI inhibitor to the nervous system of the subject. In some embodiments an additional active agent is also administered. The composition can be delivered using a variety of techniques including injection, via infusion pump, from an implantable microchip, or using a polymeric delivery vehicle. The composition can be administered, for example, to one or more subdivisions or areas of the brain, the spinal cord, or to one or more nerves or nerve tracts innervating diverse regions of the body. The invention also includes a drug delivery device for implantation into the nervous system to promote nervous system reorganization and / or recovery following ischemic, hemorrhagic, neoplastic, traumatic or degenerative damage, the drug delivery device comprising a biocompatible polymer and a proteolysis-enhancing agent such as tissue plasminogen activator (tPA), plasmin, or a PAI inhibitor, wherein the proteolysis-enhancing agent is released from the polymer in an amount effective to promote structural reorganization of the nervous system. In some embodiments the biocompatible polymer is a hydrogel.
Owner:THE BRIGHAM & WOMEN S HOSPITAL INC +1
Methods and compositions for evaluating breast cancer prognosis
InactiveUS20060063190A1Accurate assessmentImproved prognosisMicrobiological testing/measurementProteomicsLymphatic SpreadNucleic acid hybridisation
Methods and compositions for evaluating the prognosis of a breast cancer patient, particularly an early-stage breast cancer patient, are provided. The methods of the invention comprise detecting expression of at least one, more particularly at least two, biomarker(s) in a body sample, wherein overexpression of the biomarker or a combination of biomarkers is indicative of breast cancer prognosis. In some embodiments, the body sample is a breast tissue sample, particularly a primary breast tumor sample. The biomarkers of the invention are proteins and / or genes whose overexpression is indicative of either a good or bad cancer prognosis. Biomarkers of interest include proteins and genes involved in cell cycle regulation, DNA replication, transcription, signal transduction, cell proliferation, invasion, proteolysis, or metastasis. In some aspects of the invention, overexpression of a biomarker of interest is detected at the protein level using biomarker-specific antibodies or at the nucleic acid level using nucleic acid hybridization techniques.
Owner:TRIPATH IMAGING INC
Multiple Gene Expression including sORF Constructs and Methods with Polyproteins, Pro-Proteins, and Proteolysis
InactiveUS20070065912A1Efficient expressionImprove economyFungiFusion with post-translational modification motifOpen reading frameADAMTS Proteins
Disclosed are useful constructs and methods for the expression of proteins using primary translation products that are processed within a recombinant host cell. Constructs comprising a single open reading frame (sORF) are described for protein expression including expression of multiple polypeptides. A primary translation product (a pro-protein or a polyprotein) contains polypeptides such as inteins or hedgehog family auto-processing domains, or variants thereof, inserted in frame between multiple protein subunits of interest. The primary product can also contain cleavage sequences such as other proteolytic cleavage or protease recognition sites, or signal peptides which contain recognition sequences for signal peptidases, separating at least two of the multiple protein subunits. The sequences of the inserted auto-processing polypeptides or cleavage sites can be manipulated to enhance the efficiency of expression of the separate multiple protein subunits. Also disclosed are independent aspects of conducting efficient expression, secretion, and / or multimeric assembly of proteins such as immunoglobulins. Where the polyprotein contains immunoglobulin heavy and light chain segments or fragments capable of antigen recognition, in an embodiment a selectable stoichiometric ratio is at least two copies of a light chain segment per heavy chain segment, with the result that the production of properly folded and assembled functional antibody is made. Modified signal peptides, including such from immunoglobulin light chains, are described.
Owner:ABBOTT LAB INC
Compositions and methods for the preparation of protease resistant human growth hormone glycosylation mutants
Owner:NOVO NORDISK AS +1
Tumor activated prodrugs
InactiveUS7635682B2Improve featuresImprove anti-tumor efficacyPeptide/protein ingredientsImmunoglobulinsMedicineProstate-specific antigen
The instant invention provides compositions comprising a prodrug, the prodrug comprising a therapeutically active drug; and a peptide selected from the group consisting of the sequences: Ser-Ser-Lys-Tyr-Gln (SEQ ID NO:1);Gly-Lys-Ser-Gln-Tyr-Gln (SEQ ID NO:2); and Gly-Ser-Ala-Lys-Tyr-Gln (SEQ ID NO:3) wherein the peptide is linked to the therapeutically active drug to inhibit the therapeutic activity of the drug, and wherein the therapeutically active drug is cleaved from the peptide upon proteolysis by an enzyme having a proteolytic activity of prostate specific antigen (PSA). The invention further provides methods of making and using the claimed compositions.
Owner:INSPYR THERAPEUTICS INC
lAP E3 LIGASE DIRECTED PROTEOLYSIS TARGETING CHIMERIC MOLECULES
The present invention relates to compounds, compositions, combinations and medicaments containing said compounds and processes for their preparation. The invention also relates to the use of said compounds, combinations, compositions and medicaments, for example as inhibitors of the activity of RIP2 kinase, including degrading RIP2 kinase, the treatment of diseases and conditions mediated by the RIP2 kinase, in particular for the treatment of inflammatory diseases or conditions.
Owner:GLAXOSMITHKLINE INTPROP DEV LTD
Protein hydrolysates produced with the use of cod proteases
InactiveUS7070953B1Increase contentCosmetic preparationsHydrolysed protein ingredientsProtein materialsFood flavor
The invention relates to a method for enzymatically obtaining protein hydrolysates for human consumption, animal feed and cosmetics. The process involves the use of a proteolytic composition derived from fish, such as Cod (Gadus morhua), to obtain hydrolysates which have a non-bitter taste and retain the flavor and aroma of the protein-containing material which is hydrolyzed: e.g. when hydrolyzing protein-containing material from marine organisms or parts thereof, such as fish, shrimp, lobster or other seafood according to the invention, a protein hydrolysate is produced that has a characteristic natural flavor of the organism Also provided are food products comprising the hydrolysates of the invention, such as soup, sauce, cheese, HVP, meat extract and flavoring agent, broth, paté, mousse, frying dough, orly dough, and pastries.
Owner:NORDUR EHF
Compositions and methods for the preparation of protease resistant human growth hormone glycosylation mutants
InactiveUS20070154992A1Sugar derivativesPeptide/protein ingredientsHuman growth hormoneProtease resistant
The present invention relates to protease resistant mutants of human growth hormone, which contain newly introduced proteolysis resistant mutations and N-linked or O-linked glycosylation site(s), such that these recombinantly produced polypeptides have glycosylation patterns distinctly different from that of the naturally occurring human growth hormone. The polynucleotide coding sequences for the mutants, expression cassettes comprising the coding sequences, cells expressing the mutants, and methods for producing the mutants are also disclosed. Further disclosed are pharmaceutical compositions comprising the mutants and method for using the mutants.
Owner:NOVO NORDISK AS
Labeling of proteomic samples during proteolysis for quantitation and sample multiplexing
InactiveUS6864089B2Improve throughputBiological testingFermentationMultiplexingMass Spectrometry-Mass Spectrometry
Owner:PROTANA
Method for extracting and preparing protein powder and enzymolysis product thereof from almond meal
InactiveCN102174071AKeep aliveIncrease added valuePeptide preparation methodsFermentationProtein solutionFood additive
The invention discloses a method for continuously extracting and preparing concentrated protein, separated protein and proteolysis products from almond meal. The method comprises the following steps of: degreasing and debitterizing residual oil meal obtained after almond oil is mechanically and coldly pressed, and then extracting with a low-concentration NaCl phosphate buffer solution to obtain the concentrated protein; preparing almond separated protein from the concentrated protein solution by applying an ultrafiltration membrane technology; preparing a proteolysis-almond polypeptide mixed solution from the separated protein solution by applying an enzymolysis technology; and ultrafiltering the polypeptide mixed solution by applying a membrane technology to obtain multifunctional active almond peptide with different class level molecular weights in sequence. The method has the advantages of simple process, strong operability and easiness in control of extracting conditions and can finish the extraction and preparation of the almond concentrated protein, the separated protein and the proteolysis products in sequence; and the obtained products have high purity and wide application and can be directly used as food additives, nutrition reinforcers, health care products, medicaments, and the like needed by the protein foods and different processing foods.
Owner:NORTHWEST A & F UNIV
Genetically modified cells and methods for expressing recombinant heparanase and methods of purifying same
Bacterial, yeast and animal cells and methods for overexpressing recombinant heparanase in cellular systems, methods of purifying recombinant heparanase therefrom and modified heparanase species which serve as precursors for generating highly active heparanase by proteolysis.
Owner:INSIGHT BIOPHARMLS
Plant lipid cream and production method thereof
InactiveCN101647496AFine foamImprove the decorative effectEdible oils/fats production/working-upDispersitySucrose
The invention discloses a plant lipid cream and production method thereof. The plant lipid cream is prepared by the steps that proteolytic enzyme is utilized to restrict hydrolyzed soy separation, soas to obtain soy proteolysis solution; the soy proteolysis solution is mixed with partially hydrogenated plant oil, sucrose, starch syrup, sodium alginate tech grade, carrageenan, microcrystalline cellulose, phosphate, edible emulsifier; and then filtering, aqueous phase material preparation, oil phase material preparation, mixing, blending, secondary homogeneity, aging, filling and packing are carried out sequentially. The invention modifies enzymolysis of isolated soy protein, dissolubility, dispersity and emulsibility are obviously improved, and the functional characteristic is close to casein, thus substituting application of nutrose in plant lipid cream; plant raw materials are adopted, raw material cost is reduced, thus having positive significance on nutrition and health care function; the product has favourable mouthfeel and flavour; and the production method of the invention is based on plant lipid cream similarity processing technology, utilizes biological enzyme technology and has wide applicability.
Owner:GUANGDONG IND TECHN COLLEGE
Processing method for cheese suitable for taste of Chinese people
The invention relates to the technical field of dairy product processing, in particular to a processing method for natural cheese suitable for the taste of Chinese people. In the method, fresh milk is pasteurized after being filtered, purified and standardized, and is then cooled to the curding temperature, compound starter is first added for preacidification, the acidity is then regulated, calcium chloride and compound rennin are then added, curds are formed by heat preservation and then cut into curd blocks, whey is discharged after the curd blocks are stirred and heated and the temperature is preserved, and the curd blocks are taken out, added with salt and Chinese ham powder, molded, vacuumized and fermented to ripen under the constant temperature. The curding speed is high, the period of fermentation is short, the production cost is low, proteolysis and lipolysis are moderate, the bitterness is light, and since the tastes of the cheese, the acidophilus milk and the Chinese ham are mixed together, the taste of the produced natural cheese is more suitable for the taste of Chinese people.
Owner:ZHEJIANG UNIV +1
Meaty paste essence and preparation method thereof
InactiveCN102160633AHigh technical contentIncrease added valueFood preparationMaillard reactionDL-methionine
The invention discloses meaty paste essence and a preparation method thereof. The meaty paste essence comprises the following components in part by weight: 10 to 30 parts of L-cysteine, 15 to 20 parts of vitamin B, 20 to 40 parts of glucose, 10 to 20 parts of L-leucine, 5 to 10 parts of DL-methionine, 2 to 8 parts of alanine, 50 to 150 parts of yeast fine paste, 200 to 300 parts of bean pulp zymolyte, 2 to 5 parts of disodium inosinate and disodium guanylate (I+G), 30 to 60 parts of soy sauce, 50 to 80 parts of animal fat, 50 to 80 parts of salt, 50 to 100 parts of white granulated sugar, 1 to 3 parts of xanthan gum, 50 to 100 parts of sodium glutamate, 30 to 60 parts of corn starch and 10 to 30 parts of meaty flavoring base. The meaty paste essence prepared by combining the Maillard reaction technology and the bean pulp proteolysis technology has good mouthfeel, high environment-friendly indexes, stable quality, low cost and high safety performance.
Owner:TIANNING FLAVOR JIANGSU
Prolyl endopeptidase mediated destruction of T cell epitopes in whole gluten
Celiac Sprue and / or dermatitis herpetiformis are treated by interfering with HLA binding of immunogenic gluten peptides. The antigenicity of gluten oligopeptides and the ill effects caused by an immune response thereto are decreased by administration of an HLA-binding peptide inhibitor. Such inhibitors are analogs of immunogenic gluten peptides and (i) retain the ability to bind tightly to HLA molecules; (ii) retain the proteolytic stability of these peptides; but (iii) are unable to activate disease-specific T cells.
Owner:UNIVERSITY OF OSLO +1
Preparation method of fermented rice sticks
ActiveCN101623065APlay the effect of debranching and straighteningShorten fermentation timeFood preparationAmylaseProteinase activity
The invention relates to a preparation method of fermented rice sticks, which belongs to the field of food fermentation and comprises a pulp making procedure and a pulp steaming procedure. The preparation method of fermented rice sticks is characterized in that 1-1000ml of debranching amylase for per 100kg of rice is added into rice pulp with the weight percent of 5 to 50% before the pulp steaming procedure and after the pulp making procedure, the pH value is regulated to 4.0-5.0, and enzymolysis is carried out for 30-360 min under the temperature of 30-60 DEG C; 1-50 g of protease with proteolysis peptide bonds for per 100kg of rice is added into the rice pulp, and enzymolysis is carried out for 60-360 min under the temperature of 30-60DEG C and the pH value of 4.0-8.0; then, 0.2 ml / kg of zymophyte is added to the pulp and fermented for 360-3600 min under the temperature of 25-30DEG C and the pH value of 5.0-6.0. In the invention, the debranching amylase is utilized to hydrolyze Alpha-D-1, 6 glycoside bonds as the branched chains in starch and dextrine to generate straight-chain compound sugar containing Alpha-D-1, 4 glycoside bonds so as to obtain the effect on debranching and adding straight chains; the protease with proteolysis peptide bonds can be used for hydrolyzing molecular protein and amino acid to provide sufficient amino acid for following mixed fermentation, shorten fermentation time, and improve the quality and the taste of products.
Owner:江西蓓蕾食品有限公司
Stable analogs of peptide and polypeptide therapeutics
InactiveUS7259234B2Prolong half-life in vivoLong durationNervous disorderPeptide/protein ingredientsProteolysisChemistry
The present invention relates to compositions of peptide and polypeptide analogs that are resistant to proteolysis, pharmaceutical uses thereof, and methods of preparation thereof.
Owner:BACH BIOSCI LLC
Immunological assay and antibodies for Anti-Mullerian Hormone
The present invention discloses compositions and methods to measure an amount of Anti-Mullerian Hormone (AMH) in a sample, including a mammalian sample such as a primate, rodent, equine, or bovine sample. The compositions and methods herein also provide antibodies that bind to epitopes on AMH that are stable to proteolysis of AMH.
Owner:OXFORD BROOKES UNIVERSITY +1
Lipase-containing composition and methods of use thereof
InactiveUS20060128587A1Improve stabilityIncrease resistanceHydrolasesPeptide/protein ingredientsProteolysisHigh heat
Owner:CYSTIC FIBROSIS FOUND
Method for detecting 18 varieties of protein hydrolytic amino acids in milk powder through high-performance liquid chromatographic method
The invention belongs to the technical field of amino acid detection, in particular relates to a method for detecting 18 varieties of protein hydrolytic amino acids in milk powder through a high-performance liquid chromatographic method, solving the problems that the traditional amino acid determination method has high cost and poor universality and the qualitative and quantitative analysis of the 18 varieties of standard amino acids after proteolysis cannot be quickly and accurately performed through a high-performance liquid chromatograph at present. The method comprises the steps of: pre-treating the milk powder through three different hydrolysis methods; performing pre-column derivatization of a hydrolyzed milk powder smaple through a CNBF (4-chloro-3,5-dinitrobenzotrifluoride) derivatizing agent; optimizing derivatization conditions and chromatographic fractionation detection conditions by adopting the HPLC (High-performance Liquid Chromatography) and a universal C18 (250mm*4.6mm, 5mu m) liquid chromatography column; and separating and determining all 18 varieties of proteolyzed amino acids in the milk powder. The method has the advantages of stronger universality and no need of the precious amino acid analyzer and / or the precious amino acid determination reagent kit, thereby being suitable for more common laboratories.
Owner:山西出入境检验检疫局检验检疫技术中心
Complete chemical and enzymatic treatment of phosphorylated and glycosylated proteins on protein chip arrays
InactiveUS20060269980A1Quick upgradeSimpler, more sensitive methodologiesMicrobiological testing/measurementBiological material analysisEnzymatic digestionChemical treatment
A simple and quick protocol for chemical treatment, enzymatic or chemical digestion, and subsequent identification of proteins on protein chip arrays is disclosed, together with kits therefor. The chemical treatment comprises denaturation, reduction and alkylation while enzymatic digestion encompasses deglycosylation, dephosphorylation, and digestion by various proteases. Digestion is also accomplished by various chemicals that are known to induce proteolysis. All reactions are carried out sequentially on chip. Subsequent peptide mass fingerprinting or product ion searches allow the identification of specific peptides which can be correlated to proteins. The method of the present invention can be applied to the analysis of biological samples such as urine and plasma to identify biomarkers in diseased states. The methods of the present invention allow complete on chip treatment, which can be used for rapid protein identification and structural characterization of heavily posttranslationally modified proteins.
Owner:GIBBS BERNARD F
GHRH analogues
The present invention relates to growth hormone-releasing hormone (GHRH) analogues. More particularly, the invention relates to synthetic GHRH analogues of amino acids or more, exhibiting concomitantly an increased resistance to proteolysis and high binding affinity to human GHRH receptor in in vitro studies, in comparison with human native GHRH (1-29)NH2. The present invention also relates to a pharmaceutical composition comprising any one of said GHRH analogues and to the use of these analogues for specific stimulation of in vivo GH release as well as preparation of a drug in the treatment of GH deficiency-related conditions. The present invention also provides for a method for initiating GHRH-induced biological actions in a mammal.
Owner:CENT HOSPITALER DE LUNIV DE MONTREAL CHUM
Method for recovering coin protein sugar dregs and preparing protein nitrogen sources and nitrogen-containing syrup
The invention discloses a method for recovering coin protein sugar dregs and preparing protein nitrogen sources and nitrogen-containing syrup in the production of enzymatic corn starch sugar, comprising the steps of size mixing, liquefying, saccharifying, standing separation, centrifugal separation, proteolysis, concentration, drying, compounding, and the like. In the invention, protein is condensed under the heat flash of liquefying, the protein sugar dregs concentrate and float upwards in saccharifying, the sugar dregs are recovered through the steps of standing separation and centrifugal separation, the sugar dregs are dried into protein, or the sugar dregs are hydrolyzed to prepare protein nitrogen sources, and the nitrogen sources can be compounded with syrup to form nitrogen-containing starch syrup for fermenting. Clarified saccharification liquid after centrifugal separation is decolored, filtered, refined and concentrated, and starch syrup products are obtained. The majority of lentous sugar dregs in the saccharification liquid are removed before the treatment of decoloring and filtering, and the decoloring and filtering performance of the material is better. The use level of active carbon, and the like can be properly reduced, the production capability of filtering equipment is improved, and the frequency of the loading and unloading of filters as well as the consumption of washing waste water and various kinds of loss are greatly reduced.
Owner:广州双桥(重庆)有限公司
Novel regulatory mechanisms of NF-kappaB
InactiveUS20050147608A1Inhibiting degredation of NF-kBIncreasing nuclear accumulation and protein stabilityHydrolasesAntipyreticIsomerizationProteolysis
The instant invention pertains to the discovery of two novel regulatory mechanisms of NF-kB. The instant invention demonstrates that NF-kB is regulated by Pin1-catalyzed prolyl isomerization and ubiquitin-mediated proteolysis of p65. Accordingly, the instant invention provides methods for regulating NF-kB, and diseases and disorders associated with NF-kB. Further, the invention provides compositions capable of modulating the activity or expression of NF-kB, Pin1, and / or the proteolysis of p65.
Owner:BETH ISRAEL DEACONESS MEDICAL CENT INC
Labeling of proteomic samples during proteolysis for quantitation and sample multiplexing
InactiveUS20020076817A1Microbiological testing/measurementBiological testingMultiplexingMass Spectrometry-Mass Spectrometry
This invention related to methods useful in the labeling of multiple polypeptide samples and subsequent analysis of these samples by mass spectrometry, particularly in the high throughput proteomic setting.
Owner:PROTANA
Lactobacillus plantarum CW006 with antihypertensive function
This invention discloses a new Lactobacillus plantarum strain CW006(conservation number CCTCC M 206032) with an antihypertensive effect, and the hygienic and medical agents related, belonging to the micro-biological additives technological field. This Lactobacillus plantarum strain CW006 has a proteolysis activity and can acquire the antihypertensive effect by producing angiotensin-converting enzyme inhibitor via fermentation of raw milk. With these characteristics, it can be used as starting strain in the dairy industry, and applied in various health care products and medical agents as theraputic additives.
Owner:JIANGSU WECARE BIOTECHNOLOGY CO LTD
Recombinant light chains of botulinum neurotoxins and light chain fusion proteins for use in research and clinical therapy
Owner:UNITED STATES OF AMERICA THE AS REPRESENTED BY THE SEC OF THE ARMY
Assay for ubiquitin mediated proteolysis
InactiveUS20080038768A1Microbiological testing/measurementMaterial analysisFluorescenceDeubiquitination
The present invention provides methods and compositions useful in the screening for agents that modulate activity of a deubiquitinating enzyme. In one embodiment, the invention relates to methods for measuring a deubiquitination activity comprising combining a deubiquitinating enzyme (DUB) with a substrate comprising a ubiquitin moiety and a fluorescently labeled compound under conditions allowing for deubiquitinating activity and measuring an altered fluorescence polarization and / or fluorescence lifetime of the released fluorescently labeled compound The invention also relates to a substrate library comprising peptides of the formula (Z)a(X)mK(X)n(Z)b useful e.g. for the determination of the substrate specificity of a deubiquitinating enzyme.
Owner:FILIPUZZI IREOS +2
High-sensitivity proteolysis assay
InactiveUS20090294288A1Electrolysis componentsMicrobiological testing/measurementProteinase activityCell sensitivity
The present invention includes a highly sensitive method for detecting the presence of proteases in a sample which are present at very low levels.
Owner:MERCK SHARP & DOHME CORP
1AP E3 ligase directed proteolysis targeting chimeric molecules
Owner:GLAXOSMITHKLINE INTPROP DEV LTD
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