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49 results about "Protein isoform" patented technology

A protein isoform, or "protein variant", is a member of a set of highly similar proteins that originate from a single gene or gene family and are the result of genetic differences. While many perform the same or similar biological roles, some isoforms have unique functions. A set of protein isoforms may be formed from alternative splicings, variable promoter usage, or other post-transcriptional modifications of a single gene; post-translational modifications are generally not considered. Through RNA splicing mechanisms, mRNA has the ability to select different protein-coding segments (exons) of a gene, or even different parts of exons from RNA to form different mRNA sequences. Each unique sequence produces a specific form of a protein.

Proteins, genes and their use for diagnosis and treatment of schizophrenia

The present invention provides methods and compositions for screening, diagnosis and prognosis of Schizophrenia, for monitoring the effectiveness of Schizophrenia treatment, identifying patients most likely to respond to a particular therapeutic treatment and for drug development. Schizophrenia-Associated Features (SFs), detectable by two-dimensional electrophoresis of cerebrospinal fluid, serum or plasma are described. The invention further provides Schizophrenia-Associated Protein Isoforms (SPIs) detectable in cerebrospinal fluid, serum or plasma, preparations comprising isolated SPIs, antibodies immunospecific for SPIs, and kits comprising the aforesaid.
Owner:OXFORD GLYCOSCI UK

Quantitative analysis of protein isoforms using matrix-assisted laser desorption/ionization time of flight mass spectrometry

The present invention provides for methods of quantitating the amounts of proteins or peptides, including those that are closely related isoforms, using matrix-assisted laser desorption / ionization time of flight mass spectrometry (MALDI-TOF-MS). Measurement of protein concentrations in vivo has been extremely difficult and problematic, and protein concentrations have not been shown to correlate well with mRNA levels, the standard used in the past. The present invention overcomes the deficiencies of prior methodologies by taking advantage of MALDI-TOF-MS technology and applying it to proteins and peptides in a way that allows for accurate, quantitative measurement in vivo of protein or peptide concentrations.
Owner:UNIV OF COLORADO THE REGENTS OF

Protein isoform discrimination and quantitative measurements thereof

The invention relates to methods, reagents and apparatus for detecting protein isoforms (e.g., those due to alternative splicing, or different disease protein isoforms or degradation products) in a sample, including using combinations of capture agents to identify the isoforms to be detected / measured.
Owner:MILLIPORE CORP

Methods and compositions for manipulating translation of protein isoforms from alternative initiation of start sites

Provided herein are antisense oligonucleotides, compositions comprising antisense oligonucleotides, and methods for the use of antisense oligonucleotides in manipulating translation. Expression of isoforms of proteins expressed from different start codons of the same transcript are inhibited by antisense oligonucleotides, which may also enhance expression of non-target isoforms.
Owner:SAREPTA THERAPEUTICS INC

Analysis of protein isoforms using unique tryptic peptides by mass spectrometry and immunochemistry

A method for qualitatively and quantitatively detecting a protein isoform (p450 isozyme) in a sample using MALDI-TOF mass spectrometry or immunochemistry using a unique proteolytic peptide for the isoform. Relative and absolute quantitation can be performed using calibration curves with P450 isozyme-specific peptide standards.
Owner:KANSAS UNIV OF

Nucleic acid molecules, polypeptides and uses therefor, including diagnosis and treatment of Alzheimer's disease

InactiveUS20030064411A1Peptide/protein ingredientsDisease diagnosisAlzheimer's disease treatmentDrug development
The present invention provides methods and compositions for screening, diagnosis and prognosis of Alzheimer's disease, for monitoring the effectiveness of Alzheimer's disease treatment and for drug development. Alzheimer's disease-Associated Features (ADFs) detectable by two-dimensional electrophoresis of brain tissue are described. The invention further provides Alzheimer's disease-Associated Protein Isoforms (ADPIs) detectable in brain tissue, preparations comprising isolated ADPIs, antibodies specific for ADPIs and kits comprising the aforesaid.
Owner:OXFORD GLYCOSCI UK

Nucleic acid molecules, polypeptides and uses therefor, including diagnosis and treatment of Alzheimer's disease

The present invention provides methods and compositions for screening, diagnosis and prognosis of Alzheimer's disease, for monitoring the effectiveness of Alzheimer's disease treatment, and for drug development. Alzheimer's Disease-Associated Features (AFs), detectable by two-dimensional electrophoresis of cerebrospinal fluid, serum or plasma are described. The invention further provides Alzheimer's Disease-Associated Protein Isoforms (APIs) detectable in cerebrospinal fluid, serum or plasma, preparations comprising isolated APIs, antibodies, pharmaceutical compositions, diagnostic and therapeutic methods, and kits comprising or based on the same.
Owner:DURHAM L KATHRYN +12

Comprehensive Characterization Of Complex Proteins At Trace Levels

A combination of “bottom up” and “top down” MS analysis of posttranslational modifications in complex proteins is described. The method comprises digestion of the protein with an enzyme that forms larger peptide fragments than trypsin (>3000 D), performing HPLC with the fragments and applying a new data acquisition strategy using on-line coupling with e.g. LTQ-FTMS, a hybrid mass spectrometer that couples a linear ion trap with a Fourier transform ion cyclotron resonance (FTICR) cell. The method is applied to analysis of posttranslational modifications of protein isoforms.
Owner:NORTHEASTERN UNIV

Proteins, genes and their use for diagnosis and treatment of Schizophrenia

The present invention provides methods and compositions for screening, diagnosis and prognosis of Schizophrenia, for monitoring the effectiveness of Schizophrenia treatment, identifying patients most likely to respond to a particular therapeutic treatment and for drug development. Schizophrenia-Associated Features (SFs), detectable by two-dimensional electrophoresis of cerebrospinal fluid, serum or plasma are described. The invention further provides Schizophrenia-Associated Protein Isoforms (SPIs) detectable in cerebrospinal fluid, serum or plasma, preparations comprising isolated SPIs, antibodies immunospecific for SPIs, and kits comprising the aforesaid.
Owner:OXFORD GLYCOSCI UK

Protein splice variant / isoform discrimination and quantitative measurements thereof

InactiveUS20070224704A1Reliably retrievedBiological testingDiseaseProtein splicing
The invention relates to methods, reagents and apparatus for detecting protein isoforms (e.g., those due to alternative splicing, or different disease protein isoforms or degradation products) in a sample, including using combinations of capture agents, each combination being unique to the splicing variant to be detected / measured.
Owner:MILLIPORE CORP

Autism gene

The present invention concerns genes containing mutations associated with autism its onset and development and also to the encoded proteins of said genes associated with autism, its onset and development and the use of said genes, proteins or protein isoforms. The invention thus also relates to methods of screening for, diagnosis and treatment of autism in human subjects e.g., clinical screening, diagnosis, prognosis, therapy and prophylaxis, as will as for drug screening and drug development.
Owner:K U LEUVEN RES & DEV

14-3-3 Antagonists for the Prevention and Treatment of Arthritis

InactiveUS20110027269A1Reduce effectorReduce the effectors of arthritisPeptide/protein ingredientsAntipyreticArthritisMatrix metalloproteases
Methods for treating arthritis comprising 14-3-3 antagonists that are capable of specifically binding to extracellularly localized 14-3-3 eta and / or 14-3-3 gamma protein isoforms are provided. In preferred embodiments, the 14-3-3 antagonist is an inhibitory peptide or an anti-14-3-3 antibody. The 14-3-3 antagonists are also formulated in a pharmaceutical composition and used in a method for reducing matrix metalloprotease (MMP) expression in the synovial fluid of a patient, wherein the MMP is MMP-1 or MMP-3.
Owner:THE UNVERSITY OF BRITISH OFFICE

Protein isoform discrimination and quantitative measurements thereof

The invention relates to methods, reagents and apparatus for detecting protein isoforms (e.g., those due to alternative splicing, or different disease protein isoforms or degradation products) in a sample, including using combinations of capture agents to identify the isoforms to be detected / measured.
Owner:MILLIPORE CORP

Protein Isoforms and Uses Thereof

A method for screening for or diagnosis or prognosis of a neurological disorder in a subject, for determining the stage or severity of such a neurological disorder in a subject, for identifying a subject at risk of developing such a neurological disorder, or for monitoring the effect of therapy administered to a subject having such a neurological disorder, said method comprising: (a) analyzing a test sample of body fluid or tissue from the subject said sample comprising at least one Protein Isoform selected from the Protein Isoform Nos 1-6 listed in Table 1; and (b) comparing the abundance of said Protein Isoform(s) in the test sample with the abundance of said Protein Isoform(s) in a test sample from one or more persons free from neurological disorder, or with a previously determined reference range for that Protein Isoform in subjects free from neurological disorder, wherein a diagnosis of or a positive result in screening for or a prognosis of a more advanced condition of said neurological disorder is indicated by increased abundance of said Protein Isoform(s) in the test sample relative to the abundance of said Protein Isoform(s) in the test sample from one or more persons free from neurological disorder, or with the previously determined reference range for that Protein Isoform in subjects free from neurological disorder.
Owner:OXFORD GENOME SCI UK

14-3-3 ETA Antibodies and Uses Thereof for the Diagnosis and Treatment of Arthritis

The invention provides anti-14-3-3 eta antibodies that specifically bind to the human 14-3-3 eta protein isoform in its natural configuration while exhibiting selectivity over human 14-3-3 alpha, beta, delta, epsilon, gamma, tau, and zeta protein isoforms. Methods, kits and pharmaceutical compositions comprising said specific anti-14-3-3 eta antibodies are further provided for the diagnosis and treatment of arthritis.
Owner:THE UNIV OF BRITISH COLUMBIA

Protein isoforms and uses thereof

There is provided a method for screening for or, diagnosis or prognosis of a neurological disorder in a subject, for determining the stage or severity of such a neurological disorder in a subject, for identifying a subject at risk of developing such a neurological disorder, or for monitoring the effect of therapy administered to a subject having such a neurological disorder, said method comprising: (a) analyzing a test sample of body fluid or tissue from the subject said sample comprising at least one Protein Isoform selected from one of the following Protein Isoform Families: PIF-1 and PIF-2; and (b) comparing the abundance of said Protein Isoform(s) in the test sample with the abundance of said Protein Isoform(s) in a test sample from one or more persons free from neurological disorder, or with a previously determined reference range for that Protein Isoform in subjects free from neurological disorder, wherein a diagnosis of or a positive result in screening for or a prognosis of a more advanced condition of said neurological disorder is indicated by an increased abundance of said Protein Isoform(s) in the test sample relative to the abundance of said Protein Isoform(s) in the test sample from one or more persons free from neurological disorder, or with the previously determined reference range for that Protein Isoform in subjects free from neurological disorder.
Owner:OXFORD GENOME SCI UK

Proteins, genes and their use for diagnosis and treatment of bipolar affective disorder (BAD) and unipolar depression

InactiveUS20030032773A1Compound screeningApoptosis detectionUnipolar DepressionsSerum ige
The present invention provides methods and compositions for screening, diagnosis and prognosis of BAD, for monitoring the effectiveness of BAD treatment, and for drug development. BAD-Associated Features (DFs), detectable by two-dimensional electrophoresis of cerebrospinal fluid, serum or plasma are described. The invention further provides BAD-Associated Protein Isoforms (DPIs) detectable in cerebrospinal fluid, serum or plasma, preparations comprising isolated DPIs, antibodies immunospecific for DPIs, and kits comprising the aforesaid.
Owner:OXFORD GLYCOSCI UK

Discovery and validation of cancer biomarkers using a protein analysis methodology to analyze specimens

Methods are provided for the analysis, including the serial analysis, of very small samples of tissue. The methods utilize a nanofluidic proteomic immunoassay (NIA) to quantify total and low-abundance protein isoforms in a small amount of lysate. NIA detection accurately measure oncoprotein expression and activation in limited clinical specimens, including isoforms that differ in post-translational modifications, such as phosphorylation, and the like. The NIA detection method combines isoelectric protein focusing and antibody detection in a nanofluidic system.
Owner:THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIV

Methods and compositions for manipulating translation of protein isoforms from alternative initiation start sites

Provided herein are antisense oligonucleotides, compositions comprising antisense oligonucleotides, and methods for the use of antisense oligonucleotides in manipulating translation. Expression of isoforms of proteins expressed from different start codons of the same transcript are inhibited by antisense oligonucleotides, which may also enhance expression of non-target isoforms.
Owner:SAREPTA THERAPEUTICS INC

Methods and kits for diagnosing sjogren's syndrome

The invention features methods and kits for determining the presence of, or a predisposition to develop, Sjögren's syndrome in humans. The invention features methods to detect changes in the levels of one or more LMP-2 protein isoforms, in particular phosphorylated isoforms of LMP-2, and to detect changes in cellular protein phosphorylation and ubiquitination in samples from Sjögren's patients.
Owner:THE GENERAL HOSPITAL CORP

Single domain antibodies against SOD1 and their use in medicine

The present application relates to the field of single-domain antibodies (also called nanobodies), more particularly single-domain antibodies against SOD1 protein isoforms. It also relates to the use of these nanobodies in medicine. Accordingly, methods to treat a disease using these nanobodies are provided herein. The single-domain antibodies are particularly envisaged for treatment of ALS.
Owner:VLAAMS INTERUNIVERSITAIR INST VOOR BIOTECHNOLOGIE VZW +3

Hydroxysteroid 17-beta dehydrogenase 13 (hsd17b13) variants and uses thereof

Provided are compositions related to HSD17B13 variants, including nucleic acid molecules and polypeptides related to variants of HSD17B13, and cells comprising those nucleic acid molecules and polypeptides. Also provided are methods related to HSD17B13 variants. Such methods include methods for detecting the presence of the HSD17B13 rs72613567 variant in a biological sample comprising genomic DNA,for detecting the presence or levels of any one of variant HSD17B13 Transcripts C, D, E, F, G, and H, and particularly D, in a biological sample comprising mRNA or cDNA, or for detecting the presenceor levels of any one of variant HSD17B13 protein Isoforms C, D, E, F, G, or H, and particularly D, in a biological sample comprising protein. Also provided are methods for determining a subject's susceptibility to developing a liver disease or of diagnosing a subject with liver disease.
Owner:REGENERON PHARM INC

Novel alternative splice transcripts for mhc class i related chain alpha (MICA) and uses thereof

The present invention relates to novel alternative splice transcripts (AST) for MICA (MHC class I related chain alpha) encoding novel MICA protein isoforms and uses thereof. In particular, the present invention relates to an isolated polypeptide at least 80% of identity with a sequence selected from the group consisting of SEQ ID NO:1 (MICA-A), SEQ ID NO:2 (MICA-B1), SEQ ID NO:3 (MICA-B2); SEQ ID NO:4 (MICA-C) and SEQ ID NO: (MICA-D).
Owner:INST NAT DE LA SANTE & DE LA RECHERCHE MEDICALE (INSERM) +2

New markers for the epithelial and proliferative or mesenchymal invasive phenotype of human neoplasias

InactiveUS20130183673A1Accurate predictionSugar derivativesMicrobiological testing/measurementMesenchymal phenotypeInvasive phenotype
The present invention relates to a new Ena / VASP protein isoform, uses thereof, diagnostic methods and kits comprising the same.
Owner:INSTI FISIOTERAPICI OSPITALERI IFO INST REGINA ELENA PER LO STUDIO E LA CURA DEI TUMORI

Combination of Protein Forms for Hornfly Vaccination

Thrombostasin is an anti-clotting protein found in saliva of Haematobia irritans. Disclosed herein are studies testing blood uptake of horn flies feeding on cattle which confirm the association of ts genotype with blood uptake of horn flies. Blood uptake volumes of homozygous ts10 horn flies were lower than those of other ts genotypes when fed on control cattle. Cattle vaccinated with recombinant protein isoforms rTS9 or rTB8 resisted horn fly feeding by yielding lower blood volumes compared to flies feeding on control cattle. The impact of vaccination varied by ts genotype of flies. Cattle vaccinated with isoforms rTS9 resisted flies of ts2, ts9, and tb8 genotype. Vaccination with isoforms rTB8 produced resistance to ts8, ts9 and tb8 genotype flies. Horn flies of genotype ts10 were not affected with either TS isoforms and fed well on rTS9 and rTB9 vaccinated as on control-vaccinated cattle.
Owner:AUBURN UNIV

Proteins, genes and their use for diagnosis and treatment of vascular response

The present invention provides methods and compositions for screening, diagnosis and prognosis of vascular response, for monitoring the effectiveness of vascular response treatment, identifying patients most likely to respond to a particular therapeutic treatment and for drug development. In particular, the screening of drug candidates for their ability to induce a vascular response. Vascular Response-Associated Features (VRFs), detectable by two-dimensional electrophoresis of blood, serum or plasma are described. The invention further provides Vascular Response-Associated Protein Isoforms (VRPIs) detectable in blood, serum or plasma, preparations comprising isolated VRPIs, antibodies immunospecific for VRPIs, and kits comprising the aforesaid.
Owner:US DEPT OF HEALTH & HUMAN SERVICES

Protein isoforms of the pif-family and uses thereof

A method for screening for or diagnosis or prognosis of a neurological disorder associated with de-regulated glutamate signalling in a subject, for determining the stage or severity of such a neurological disorder in a subject, for identifying a subject at risk of developing such a neurological disorder, or for monitoring the effect of therapy administered to a subject having such a neurological disorder, said method comprising:(a) analyzing a test sample of body fluid or tissue from the subject said sample comprising at least one Protein Isoform selected from the following Protein Isoform Families: PIF-1, PIF-2, and PIF-3 in a detectable amount; and(b) comparing the abundance of said Protein Isoform(s) in the test sample or the abundance of said Protein Isoform(s) relative to another Protein Isoform with the abundance or relative abundance of said Protein Isoform(s) in a test sample from one or more persons free from neurological disorder, or with a previously determined reference range for that Protein Isoform in subjects free from neurological disorder, wherein a diagnosis of or a positive result in screening for or a prognosis of a more advanced condition of said neurological disorder is indicated by (i) decreased abundance or relative abundance of PIF-1 and / or (ii) increased abundance or relative abundance of PIF-2 and / or (iii) decreased abundance or relative abundance of PIF-3.
Owner:OXFORD GENOME SCI UK
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