Patent application number | Description | Published |
20090247615 | TRIGGERED RNAi - The present application relates to methods and compositions for triggering RNAi. Triggered RNAi is highly versatile because the silencing targets are independent of the detection targets. In some embodiments, methods of silencing or modulating the expression of a target gene are provided. The methods generally comprise providing an initiator to a cell comprising a detection target and a silencing target gene, wherein the detection target is different from the silencing target gene, wherein binding of the detection target to the initiator initiates formation of an inactivator double-stranded RNA (inactivator dsRNA). The inactivator dsRNA can silence or modulate the expression of the silencing target gene. | 10-01-2009 |
20100021901 | Compositions and methods for detecting analytes - Embodiments disclosed herein relate generally to probes (e.g. self-quenching probes), methods, and kits for detecting the presence of a target analyte using probes. | 01-28-2010 |
20100021904 | SHIELDED CROSS-LINKING PROBES - The present invention relates to the use of nucleic acid probes to bind to targets. In some embodiments, the probe comprises a shielded cross-linking probe. | 01-28-2010 |
20100035233 | Triggered RNAi - The present application relates to methods and compositions for triggering RNAi. Triggered RNAi is highly versatile because the silencing targets are independent of the detection targets. In some embodiments, methods of silencing or modulating the expression of a marker gene are provided. The methods generally comprise providing an initiator to a cell comprising a detection target and a silencing target gene, wherein the detection target is different from the silencing target gene, wherein binding of the detection target to the initiator initiates formation of an inactivator double-stranded RNA (inactivator dsRNA). The inactivator dsRNA can silence the silencing target gene to modulate the expression of a marker gene. | 02-11-2010 |
20100047926 | HYBRIDIZATION CHAIN REACTION - The present invention relates to the use of nucleic acid probes to identify analytes in a sample. In the preferred embodiments, metastable nucleic acid monomers are provided that associate in the presence of an initiator nucleic acid. Upon exposure to the initiator, the monomers self-assemble in a hybridization chain reaction. The initiator nucleic acid may be, for example, a portion of an analyte to be detected or may be part of an initiation trigger such that it is made available in the presence of a target analyte. | 02-25-2010 |
20110104676 | HYBRIDIZATION CHAIN REACTION AMPLIFICATION FOR IN SITU IMAGING - The present invention relates to the use of fluorescently labeled nucleic acid probes to identify and image analytes in a biological sample. In the preferred embodiments, a probe is provided that comprises a target region able to specifically bind an analyte of interest and an initiator region that is able to initiate polymerization of nucleic acid monomers. After contacting a sample with the probe, labeled monomers are provided that form a tethered polymer. Triggered probes and self-quenching monomers can be used to provide active background suppression. | 05-05-2011 |
20110288148 | TRIGGERED COVALENT PROBES FOR IMAGING AND SILENCING GENETIC EXPRESSION - The present invention relates to the use of cross-linking probes to covalently bind probes to nucleic acid targets. In some embodiments, the probe comprises an initiator region that is able to bind to a first portion of a target nucleic acid, a probe region linked too the initiator region that is able to bind to a second region of the target nucleic acid and that comprises one or more cross-linkers, and a blocking region hybridized to the probe region. | 11-24-2011 |
20110313030 | PKR ACTIVATION VIA HYBRIDIZATION CHAIN REACTION - The present application relates to the use of hybridization chain reaction (HCR) to form double stranded RNA polymers in the presence of a target, such as a nucleic acid associated with a disease or disorder. The RNA polymers are preferably able to activate the RNA-dependent kinase PKR. Activation of PKR via RNA-HCR can be used to treat a wide variety of diseases and disorders by specifically targeting diseased cells. | 12-22-2011 |
20120021410 | TRIGGERED MOLECULAR GEOMETRY BASED BIOIMAGING PROBES - The present embodiments relate to engineering imaging probes based on “triggered molecular geometry.” Upon detection of a molecular signal, nucleic acid hairpin monomers assemble an imageable molecular shape with prescribed geometry. In some embodiments the prescribed shape can be imaged directly. In some embodiments, the prescribed shape can serve as a spatial organizer or amplification scheme for other imaging entities, such as fluorophore and fluorescent proteins. | 01-26-2012 |
20120022243 | BIOMOLECULAR SELF-ASSEMBLY - The present invention relates generally to programming of biomolecular self-assembly pathways and related methods and constructs for self-assembly of prescribed two and three-dimensional structures. | 01-26-2012 |
20120190835 | HYBRIDIZATION CHAIN REACTION AMPLIFICATION FOR IN SITU IMAGING - The present invention relates to the use of fluorescently labeled nucleic acid probes to identify and image analytes in a biological sample. In the preferred embodiments, a probe is provided that comprises a target region able to specifically bind an analyte of interest and an initiator region that is able to initiate polymerization of nucleic acid monomers. After contacting a sample with the probe, labeled monomers are provided that form a tethered polymer. Triggered probes and self-quenching monomers can be used to provide active background suppression. | 07-26-2012 |
20130323838 | TRIGGERED RNAi - The present application relates to methods and compositions for triggering RNAi. Triggered RNAi is highly versatile because the silencing targets are independent of the detection targets. In some embodiments, methods of silencing or modulating the expression of a target gene are provided. The methods generally comprise providing an initiator to a cell comprising a detection target and a silencing target gene, wherein the detection target is different from the silencing target gene, wherein binding of the detection target to the initiator initiates formation of an inactivator double-stranded RNA (inactivator dsRNA). The inactivator dsRNA can silence or modulate the expression of the silencing target gene. | 12-05-2013 |
20140107983 | SYSTEMS AND METHODS OF DESIGNING NUCLEIC ACIDS THAT FORM PREDETERMINED SECONDARY STRUCTURE - Described is a system and process for designing the equilibrium base-pairing properties of a test tube of interacting nucleic acid strands. A target test tube is specified as a set of desired ‘on-target’ complexes, each with a target secondary structure and target concentration, and a set of undesired ‘off-target’ complexes, each with vanishing target concentration. Sequence design is performed by optimizing the test tube ensemble defect, corresponding to the concentration of incorrectly paired nucleotides at equilibrium evaluated over the ensemble of the test tube. | 04-17-2014 |
Patent application number | Description | Published |
20080214488 | TRIGGERED RNAi - The present application relates to methods and compositions for triggering RNAi. Triggered RNAi is highly versatile because the silencing targets are independent of the detection targets. In some embodiments, a method of silencing a target gene is provided. The method comprises providing an initiator to a cell comprising a detection target and a silencing target gene, wherein the detection target is different from the silencing target gene; providing a first substrate monomer to the cell, wherein the first substrate monomer comprises a silencing target complement region that is substantially complementary to a portion of the silencing target gene, and an initiator complement region that is substantially complementary to a portion of the initiator; and providing a second substrate monomer to the cell, wherein the second substrate monomer comprises a silencing target region that is substantially complementary to the silencing target complement region; wherein binding of the detection target to the initiator initiates formation of an inactivator double-stranded RNA (inactivator dsRNA) which silences the silencing target gene. | 09-04-2008 |
20090011956 | Versatile nucleic acid hairpin motif for programming biomolecular self-assembly pathways - The present invention relates generally to programming of biomolecular self-assembly pathways and related methods and constructs. A versatile nucleic acid hairpin motif for programming biomolecular self-assembly pathways for a wide variety of dynamic functions, reaction graphs for specifying pathways, and methods of using the hairpin motif are provided. | 01-08-2009 |
20110288832 | SYSTEM AND METHOD FOR NUCLEIC ACID SEQUENCE DESIGN - Described herein are systems and processes for designing the sequence of one or more interacting nucleic acid strands intended to adopt a target secondary structure at equilibrium. The target secondary structure is decomposed into a binary tree and candidate mutations are evaluated on leaf nodes of the tree. During a process of leaf optimization, defect-weighted mutation sampling is used to select each candidate mutation position with a probability proportional to its contribution to an ensemble defect of the leaf. Subsequences of the tree are then merged, moving up the tree until a final nucleotide sequence of interest is determined that has the target secondary structure at equilibrium. | 11-24-2011 |
20130262071 | SYSTEM AND METHOD FOR DETERMINING A NUCLEOTIDE SEQUENCE - Described herein are systems and processes for designing the sequence of one or more interacting nucleic acid strands intended to adopt a target secondary structure at equilibrium. The target secondary structure is decomposed into a binary tree and candidate mutations are evaluated on leaf nodes of the tree. During a process of leaf optimization, defect-weighted mutation sampling is used to select each candidate mutation position with a probability proportional to its contribution to an ensemble defect of the leaf. Subsequences of the tree are then merged, moving up the tree until a final nucleotide sequence of interest is determined that has the target secondary structure at equilibrium. | 10-03-2013 |