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887 results about "Small RNA" patented technology

Small RNA are <200 nt (nucleotide) in length, and are usually non-coding RNA molecules. RNA silencing is often a function of these molecules, with the most common and well-studied example being RNA interference (RNAi), in which endogenously expressed microRNA (miRNA) or exogenously derived small interfering RNA (siRNA) induces the degradation of complementary messenger RNA. Other classes of small RNA have been identified, including piwi-interacting RNA (piRNA) and its subspecies repeat associated small interfering RNA (rasiRNA). Small RNA "is unable to induce RNAi alone, and to accomplish the task it must form the core of the RNA–protein complex termed the RNA-induced silencing complex (RISC), specifically with Argonaute protein". Also, mRNA is used in transcription.

Methods and compositions for detection of small interfering RNA and micro-RNA

The invention provides a method of distinguishing small RNA from mRNA by contacting a biological isolate with a phosphate reactive reagent having a label moiety under conditions wherein the label moiety is preferentially added to the 5′ phosphate of small RNA over the 5′ cap structure of mRNA and distinguishing the small RNA from the mRNA according to the presence of the label. The invention further provides a method of identifying a plurality of different small RNAs by adding a unique extension sequences to different small RNA sequences and identifying the extended small RNA sequences. Furthermore, the invention provides diagnostic methods for determining presence of a disease or condition such as cancer. Also provided are prognostic methods for determining progression of a disease or condition or for monitoring effectiveness of a treatment for a disease or condition
Owner:ILLUMINA INC

Pharmaceutical compositions for treatment of microRNA related diseases

The present invention provides compositions and methods of treatment of diseases that are sensitive to drugs that downregulate the function of microRNA's, mRNA, non-coding RNA, or viral genomes. In particular, it has been discovered that a very long term effect of an anti microRNA oligonucleotide may be obtained when administered to a primate. Therefore, the present invention relate to pharmaceutical compositions and methods for treatment of primates, including humans wherein the compositions are administered with a long time interval.
Owner:ROCHE INNOVATION CENT COPENHAGEN

Compositions and methods for the detection of small rnas

The invention provides compositions and methods for the detection of small RNA molecules in a multiplexed reaction. The assays and kits described herein are applicable for the identification, diagnosing, and monitoring of disorders including, but not limited to cancer, developmental and degenerative disease, neurological disorders, and stem cell disorders.
Owner:NANOSTRING TECH INC

Method of de-differentiating and re-differentiating somatic cells using RNA

RNA prepared by in vitro transcription using a polymerase chain reaction (PCR)-generated template can be introduced into a cell to modulate cell activity. This method is useful in de-differentiating somatic cells to pluripotent, multipotent, or unipotent cells; re-differentiating stem cells into differentiated cells; or reprogramming of somatic cells to modulate cell activities such as metabolism. Cells can also be transfected with inhibitory RNAs, such as small interfering RNA (siRNA) or micro RNA (miRNA), or combinations thereof to induce reprogramming of somatic cells. For example, target cells are isolated from a donor, contacted with one or more RNA's causing the cells to be de-differentiated, re-differentiated, or reprogrammed in vitro, and administered to a patient in need thereof. The resulting cells are useful for treating one or more symptoms of a variety of diseases and disorders, for organ regeneration, and for restoration of the immune system.
Owner:YALE UNIV

Methods for quantitating small RNA molecules

In one aspect, the present invention provides methods for amplifying a microRNA molecule to produce DNA molecules. The methods each include the steps of: (a) using primer extension to make a DNA molecule that is complementary to a target microRNA molecule; and (b) using a universal forward primer and a reverse primer to amplify the DNA molecule to produce amplified DNA molecules. In some embodiments of the method, at least one of the forward primer and the reverse primer comprise at least one locked nucleic acid molecule.
Owner:MERCK SHARP & DOHME CORP

Gene editing method for knocking out rice MIRNA393b stem-loop sequences with application of CRISPR(clustered regulatory interspersed short palindromic repeat)-Cas9 system

The invention relates to construction of rice transgenic materials and aims to provide a gene editing method for knocking out rice MIRNA393b stem-loop sequences with application of a CRISPR(clustered regulatory interspersed short palindromic repeat)-Cas9 system. The gene editing method comprises steps as follows: gRNA target sites are selected for cloning and GG linking, enzyme digestion is performed after amplification, and a product is linked with a pGREB 32 vector; escherichia coli competent cells are transformed; plasmids with a correct sequencing result are used for transforming agrobacteria, transgenic plants are obtained through mediated transformation of rice calli, and transgenic positive lines are obtained; the T0-generation mutant plant seeds are collected for seeding, and the T1-generation plants are subjected to homozygote screening; homozygous lines which are discovered to be negative through MIRNA393b expression are rice mutants completely losing the MIRNA393b stem-loop sequences and MIRNA393b stem-loop sequence expression. According to the gene editing method, MIRNA stem-loop sequences can be effectively knocked out, and loss-of-function mutants of different members in the same MIRNA family can be prepared; the mutant plant propagates to obtain a large number of seeds and is an ideal material for acquiring rice MIRNA393b gene functions successfully.
Owner:ZHEJIANG UNIV
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