Patent application number | Description | Published |
20080287710 | Methods for the preparation of chemically misaminoacylated tRNA via protective groups - The present invention relates to methods for the preparation of chemically aminoacylated tRNAs for the purpose of introduction of markers into nascent proteins. The present invention also relates to methods for the non-radioactive labeling, detection, quantitation and isolation of nascent proteins translated in a cellular or cell-free translation system utilizing chemically aminoacylated tRNAs. tRNA molecules are misaminoacylated with non-radioactive markers which may be non-native amino acids, amino acid analogs or derivatives. Markers may comprise cleavable moieties, detectable labels, reporter properties wherein markers incorporated into protein can be distinguished from unincorporated markers, or coupling agents which facilitate the detection and isolation of nascent protein from other components of the translation system. | 11-20-2008 |
20090075253 | BIOREACTIVE AGENTS - This invention relates to agents and conjugates that can be used to detect and isolate target components from complex mixtures such as nucleic acids from biological samples, cells from bodily fluids, and nascent proteins from translation reactions. Agents comprise a detectable moiety bound to a photoreactive moiety. Conjugates comprise agents coupled to substrates by covalent bounds which can be selectively cleaved with the administration of electromagnetic radiation. Targets substances labeled with detectable molecules can be easily identified and separated from a heterologous mixture of substances. Exposure of the conjugate to radiation releases the target in a functional form and completely unaltered. Using photocleavable molecular precursors as the conjugates, label can be incorporated into macromolecules, the nascent macromolecules isolated and the label completely removed. The invention also relates to targets isolated with these conjugates which may be useful as pharmaceutical agents or compositions that can be administered to humans and other mammals. Useful compositions include biological agents such as nucleic acids, proteins, lipids and cytokines. Conjugates can also be used to monitor the pathway and half-life of pharmaceutical composition in vivo and for diagnostic, therapeutic and prophylactic purposes. The invention also relates to kits comprised of agents and conjugates that can be used for the detection of diseases, disorders and nearly any individual substance in a complex background of substances. | 03-19-2009 |
20090176279 | Bioreactive agents - This invention relates to agents and conjugates that can be used to detect and isolate target components from complex mixtures such as nucleic acids from biological samples, cells from bodily fluids, and nascent proteins from translation reactions. Agents comprise a detectable moiety bound to a photoreactive moiety. Conjugates comprise agents coupled to substrates by covalent bounds which can be selectively cleaved with the administration of electromagnetic radiation. Targets substances labeled with detectable molecules can be easily identified and separated from a heterologous mixture of substances. Exposure of the conjugate to radiation releases the target in a functional form and completely unaltered. Using photocleavable molecular precursors as the conjugates, label can be incorporated into macromolecules, the nascent macromolecules isolated and the label completely removed. The invention also relates to targets isolated with these conjugates which may be useful as pharmaceutical agents or compositions that can be administered to humans and other mammals. Useful compositions include biological agents such as nucleic acids, proteins, lipids and cytokines. Conjugates can also be used to monitor the pathway and half-life of pharmaceutical composition in vivo and for diagnostic, therapeutic and prophylactic purposes. The invention also relates to kits comprised of agents and conjugates that can be used for the detection of diseases, disorders and nearly any individual substance in a complex background of substances. | 07-09-2009 |
20090263868 | Nucleotide Compositions Comprising Photocleavable Markers And Methods Of Preparation Thereof - Labelled nucleotides and polynucleotides useful in the sequencing of nucleic acids are described. Methods of preparing photocleavable marker nucleotides and photocleavable marker-polynucleotide conjugates are described. Such photocleavable marker nucleotides can be incorporated into nucleic acid so as to create photocleavable marker-polynucleotide conjugates. | 10-22-2009 |
20090264298 | Methods for enriching subpopulations - Methods of enriching a subpopulation of beads are described. In one embodiment, first beads comprise immobilized first amplified product, said first amplified product encoding a truncated version of a first protein, and second beads comprise immobilized second amplified product, said second amplified product encoding an untruncated version of said first protein. Both first and second beads are exposed to a translation system under conditions such that said truncated and untruncated versions of said first protein are generated from at least a portion of said first and second immobilized amplified products, and these protein products are captured on the first and second beads, respectively. Using a ligand (e.g. with affinity for the untruncated version of said first protein), a portion of the second beads is separated from the mixture, thereby enriching a subpopulation of beads comprising truncated protein. | 10-22-2009 |
20090270278 | Methods and compounds for making arrays - Arrays and methods of making an array are described. A plurality of beads, each bead comprising a group of compounds, each compound of said group attached to a bead through a photocleavable linker are brought in proximity (or contact) with another surface, and exposed to electromagnetic radiation. Illuminating the beads with radiation causes at least a portion of the compounds to be photocleaved from the beads and transferred to the surface to form a plurality of transferred groups of compounds on said surface, at least a portion of which is positioned in different locations on said surface. | 10-29-2009 |
20090286286 | Methods for controlling amplification - Methods of amplifying nucleic acid on a solid support are described. Beads and template, each in known concentrations, are employed so a range of template to bead ratios can be exploited. Where the beads contain primers, the template can be amplified. After amplification, non-covalently bound template is removed, so as to leave beads with extended primers (or beads with primers that were not extended). | 11-19-2009 |
20100062451 | Bead-ligand-nascent protein complexes - Bead-ligand-nascent protein complexes, and method of creating and detecting a bead-ligand-nascent protein complexes, are described. PCR-amplified product which is attached to a surface, e.g. of a bead, is used to generate nascent protein, which in turn is captured on the bead and detected, e.g. by fluorescence. | 03-11-2010 |
20100075374 | Methods for capturing nascent proteins - Methods of generating and capturing nascent proteins are described, including capturing nascent proteins on the same bead that comprises nucleic acid encoding the protein. The protein or nucleic acid can be sequenced before or after phototransfer to another surface. | 03-25-2010 |
20100196988 | Bioreactive Agents - This invention relates to agents and conjugates that can be used to detect and isolate target components from complex mixtures such as nucleic acids from biological samples, cells from bodily fluids, and nascent proteins from translation reactions. Agents comprise a detectable moiety bound to a photoreactive moiety. Conjugates comprise agents coupled to substrates by covalent bounds which can be selectively cleaved with the administration of electromagnetic radiation. Targets substances labeled with detectable molecules can be easily identified and separated from a heterologous mixture of substances. Exposure of the conjugate to radiation releases the target in a functional form and completely unaltered. Using photocleavable molecular precursors as the conjugates; label can be incorporated into macromolecules, the nascent macromolecules isolated and the label completely removed. The invention also relates to targets isolated with these conjugates which may be useful as pharmaceutical agents or compositions that can be administered to humans and other mammals. Useful compositions include biological agents such as nucleic acids, proteins, lipids and cytokines. Conjugates can also be used to monitor the pathway and half-life of pharmaceutical composition in vivo and for diagnostic, therapeutic and prophylactic purposes. The invention also relates to kits comprised of agents and conjugates that can be used for the detection of diseases, disorders and nearly any individual substance in a complex background of substances. | 08-05-2010 |
20100203651 | Methods and compounds for phototransfer - Methods are described for phototransferring a compound from a first surface to a second surface. Compounds are described with photocleavable linkers. Compounds attached to a first surface through a photocleavable linker are put in proximity (or contact) with a second surface, and then phototransferred to the second surface upon exposure to electromagnetic radiation. Illuminating the compound with radiation photocleaves the compound from the first surface and transfers the compound to the second surface. | 08-12-2010 |
20100311042 | Amplifying bisulfite-treated template - Methods of amplifying nucleic acid are described. Primers on a solid support, e.g. a population of beads, are employed. A population of nucleic acid template molecules, wherein said nucleic acid template molecules have been treated with bisulfite, is amplified so as to create loaded beads comprising immobilized amplified nucleic acid. | 12-09-2010 |
20100317542 | Methods For Detecting Biomarkers - Methods of amplifying nucleic acid on a solid support are described. Beads and template, each in known concentrations, are employed so a range of template to bead ratios can be exploited. Where the beads contain primers, the template can be amplified. After amplification, non-covalently bound template is removed, so as to leave beads with extended primers (or beads with primers that were not extended). | 12-16-2010 |
20110015369 | Detection Of Truncation Mutations By Mass Spectrometry - This invention relates to the detection and analysis by mass spec of nascent proteins, and in particular truncated proteins, translated within cellular or cell-free translation systems. N-terminal and C-terminal epitopes introduced into these nascent proteins permit rapid and efficient isolation, as well as mass difference. | 01-20-2011 |
20110045991 | Methods for the Detection of Colorectal Cancer - This invention relates to an approach for detection of chain truncating mutations based on the utilization of existing sample collection methods such as FOBT platforms, together with advanced methods for cell-free protein expression. “When further combined with mass spectrometry, the invention provides the ability to simultaneously detect changes in the amino acid sequence of multiple peptides. In some embodiments, DNA is isolated from a patient fecal sample and specific regions of a gene (i.e., for example, a K-ras gene or an APC gene) are PCR amplified using specifically designed primers that allow translation of encoded peptide fragments in a cell-free protein synthesis system. Nascent proteins are affinity purified and their mass is detected by MALDI-TOF which allows identifying low levels of mutations. | 02-24-2011 |
20110129878 | BIOREACTIVE AGENTS - This invention relates to agents and conjugates that can be used to detect and isolate target components from complex mixtures such as nucleic acids from biological samples, cells from bodily fluids, and nascent proteins from translation reactions. Agents comprise a detectable moiety bound to a photoreactive moiety. Conjugates comprise agents coupled to substrates by covalent bounds which can be selectively cleaved with the administration of electromagnetic radiation. Targets substances labeled with detectable molecules can be easily identified and separated from a heterologous mixture of substances. Exposure of the conjugate to radiation releases the target in a functional form and completely unaltered. Using photocleavable molecular precursors as the conjugates, label can be incorporated into macromolecules, the nascent macromolecules isolated and the label completely removed. The invention also relates to targets isolated with these conjugates which may be useful as pharmaceutical agents or compositions that can be administered to humans and other mammals. Useful compositions include biological agents such as nucleic acids, proteins, lipids and cytokines. Conjugates can also be used to monitor the pathway and half-life of pharmaceutical composition in vivo and for diagnostic, therapeutic and prophylactic purposes. The invention also relates to kits comprised of agents and conjugates that can be used for the detection of diseases, disorders and nearly any individual substance in a complex background of substances. | 06-02-2011 |
20110250609 | Methods For The Detection, Analysis And Isolation Of Nascent Proteins - This invention relates to non-radioactive markers that facilitate the detection and analysis of nascent proteins translated within cellular or cell-free translation systems. Nascent proteins containing these markers can be rapidly and efficiently detected, isolated and analyzed without the handling and disposal problems associated with radioactive reagents. Preferred markers are dipyrrometheneboron difluoride (4,4-difluoro-4-bora-3a,4a-diaza-s-indacene) dyes. | 10-13-2011 |
20110301855 | METHOD OF PROCESSING DATA USING AN ALGORITHM FOR LINEAR EXTENSION OF THRESHOLD IN QUANTITATIVE REAL-TIME PCR DATA - Methods that improve the accuracy of gene expression profiling are provided, and more particularly, methods for quantitative PCT (qPCR) used to determine the level of gene expression or gene copy number in a high-throughput fashion. | 12-08-2011 |
20120077688 | Global Proteomic Screening Of Random Bead Arrays Using Mass Spectrometry Imaging - Methods for proteomic screening on random protein-bead arrays by mass spec is described. Photocleavable mass tags are utilized to code a protein library (bait molecules) displayed on beads randomly arrayed in an array substrate. A library of probes (prey) can be mixed with the protein-bead array to query the array. Because mass spec can detect multiple mass tags, it is possible to rapidly identify all of the interactions resulting from this mixing. | 03-29-2012 |
20120088241 | Bioreactive Agents - This invention relates to agents and conjugates to detect and isolate target components from complex mixtures such as nucleic acids from biological samples, cells from bodily fluids, and nascent proteins from translation reactions. Agents comprise a detectable moiety bound to a photoreactive moiety. Conjugates comprise agents coupled to substrates by covalent bounds which can be selectively cleaved with the administration of electromagnetic radiation. Targets substances labeled with detectable molecules can be easily identified and separated from a heterologous mixture of substances. Exposure of the conjugate to radiation releases the target in a functional form and completely unaltered. Using photocleavable molecular precursors as the conjugates, label can be incorporated into macromolecules, the nascent macromolecules isolated and the label completely removed. The invention also relates to targets isolated with these conjugates which may be useful as pharmaceutical agents or compositions that can be administered to humans and other mammals. | 04-12-2012 |
20120190035 | Detection Of Disease Related Genes - The invention is directed to methods for the non-radioactive labeling, detection, quantitation and isolation of nascent proteins translated in a cellular or cell-free translation system. tRNA molecules are misaminoacylated with non-radioactive markers which may be non-native amino acids, amino acid analogs or derivatives, or substances recognized by the protein synthesizing machinery. Markers may comprise cleavable moieties, detectable labels, reporter properties wherein markers incorporated into protein can be distinguished from unincorporated markers, or coupling agents which facilitate the detection and isolation of nascent protein from other components of the translation system. The invention also comprises proteins prepared using misaminoacylated tRNAs which can be utilized in pharmaceutical compositions for the treatment of diseases and disorders in humans and other maninials, and kits which may be used for the detection of diseases and disorders. | 07-26-2012 |
20120244562 | METHOD FOR DIAGNOSING PRIMARY BILIARY CIRRHOSIS (PBC) USING NOVEL AUTOANTIGENS - Methods and compositions are described for the diagnosis of primary biliary cirrhosis. Novel autoantigens are described for use in assays which employ test samples from individuals. | 09-27-2012 |
20130022987 | Method for Diagnosing or Determining the Prognosis of Colorectal Cancer (CRC) Using Novel Autoantigens: Gene Expression Guided Autoantigen Discovery - The invention relates to the discovery and use of novel antigens/autoantigens, polyclonal and monoclonal antibodies/autoantibodies thereto, and in particular methods of using the antigens/autoantigens and antibodies/autoantibodies in the diagnostic, prognostic, staging and therapeutic regimens for the control of colorectal cancer. | 01-24-2013 |
20130040839 | Method for Diagnosing or Determining the Prognosis of Colorectal Cancer (CRC) Using Novel Autoantigens: Gene Expression Guided Autoantigen Discovery - The invention relates to the discovery and use of novel antigens/autoantigens, polyclonal and monoclonal antibodies/autoantibodies thereto, and in particular methods of using the antigens/autoantigens and antibodies/autoantibodies in the diagnostic, prognostic, staging and therapeutic regimens for the control of colorectal cancer. | 02-14-2013 |
20130040842 | Methods And Compositions For Phototransfer - Methods are described for phototransferring a compound from a first surface to a second surface. Compounds are described with photocleavable linkers. Compounds attached to a first surface through a photocleavable linker are put in proximity (or contact) with a second surface, and then phototransferred to the second surface upon exposure to electromagnetic radiation. Illuminating the compound with radiation photocleaves the compound from the first surface and transfers the compound to the second surface. | 02-14-2013 |
20140081007 | Methods For The Detection, Analysis And Isolation of Nascent Proteins - This invention relates to non-radioactive markers that facilitate the detection and analysis of nascent proteins translated within cellular or cell-free translation systems. Nascent proteins containing these markers can be rapidly and efficiently detected, isolated and analyzed without the handling and disposal problems associated with radioactive reagents. Preferred markers are dipyrrometheneboron difluoride (4,4-difluoro-4-bora-3a,4a-diaza-s-indacene) dyes. | 03-20-2014 |
20140121363 | Bioreactive Agents - This invention relates to agents and conjugates that can be used to detect and isolate target components from complex mixtures such as nucleic acids from biological samples, cells from bodily fluids, and nascent proteins from translation reactions. The invention also relates to targets isolated with conjugates which may be useful as pharmaceutical agents or compositions that can be administered to humans and other mammals. The invention further relates to kits comprised of agents and conjugates that can be used for the detection of diseases, disorders and individual substances in a complex background of substances. | 05-01-2014 |
20140235471 | Global Proteomic Screening Of Random Bead Arrays Using Mass Spectrometry Imaging - Methods for proteomic screening on random protein-bead arrays by mass spec is described. Photocleavable mass tags are utilized to code a protein library (bait molecules) displayed on beads randomly arrayed in an array substrate. A library of probes (prey) can be mixed with the protein-bead array to query the array. Because mass spec can detect multiple mass tags, it is possible to rapidly identify all of the interactions resulting from this mixing. | 08-21-2014 |
20150057170 | METHOD FOR DIAGNOSING PRIMARY BILIARY CIRRHOSIS (PBC) USING NOVEL AUTOANTIGENS - Methods and compositions are described for the diagnosis of primary biliary cirrhosis. Novel autoantigens are described for use in assays which employ test samples from individuals. | 02-26-2015 |