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  • The Swedish initiative to map all human proteins reaches half-way point

    Scientists in Sweden marked the half way point of a major, ground-breaking initiative to map every single protein in the human body. Once complete, the Human Protein Atlas will provide scientists with data which will help detect and treat some of the world’s most serious health problems such as canc more

  • NYU Langone scientists are first to sequence the genomes of 2 ant species

    Scientists have finally sequenced the entire genome of an ant, actually two very different species of ant, and the insights gleaned from their genetic blueprints are already yielding tantalizing clues to the extraordinary social behavior of ants. A result of a collaborative research project led by D more

  • The Porcine microRNAome is revealed

    Researchers from LC Sciences LLC and a collaboration of universities have established a porcine microRNAome, a complete catalog of all microRNAs expressed in the species Sus scrofa. MicroRNAs (miRNAs) are small regulatory RNA molecules known to control a wide array of cellular functions such as gr more

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  • Analysis of the DNA Methylation Patterns at the BRCA1 CpG Island

    Germ-line alterations of the BRCA1 gene confer a lifetime risk of 40% for ovarian cancers and of 40%-80% for ­breast cancers. It is likely that BRCA1 acts as a tumor suppressor gene. BRCA1 involvement in breast cancers does not seem to be restricted to familial cancers. Despite the absence of somatic mutations in the breast tissues, a down regulation of BRCA1 expression is associated with malignancy in human sporadic breast cancers. more

  • Improved Performance of the LightCycler®

    Real-time reverse transcription-PCR (RT-PCR) is con­sidered the method of choice for any experiments requiring­ sensitive, specific, and reproducible quantification of mRNA molecules of interest. It is an essential tool for basic research, molecular medicine, and biotechnology. more

  • Real-Time PCR Quantification of Plant miRNAs Using Universal ProbeLibrary Technology

    MicroRNAs (miRNAs) are naturally occurring, highly conserved families of transcripts (18-25 nt in length) that are processed from larger hairpin precursors. Both plant and animal genomes encode miRNAs, and to date, there are over 4000 mature miRNA transcripts annotated. Although miRNAs represent a relatively abundant class of transcripts, their expression levels vary greatly among species and tissues. Less abundant miRNAs routinely fail detection using technologies such as cloning, northern hybridization and microarray analysis. Here, we present a real-time quantification method for accurate, sensitive, and economical detection of plant miRNAs based upon the stem-loop RT primer approach using an miRNA-specific primer coupled with a stem-loop specific Universal ProbeLibrary (UPL) probe. This approach represents a highly specific, sensitive, and easy-to-apply system to detect miRNAs. more

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