News tagged with messenger rna

Related topics: protein , gene expression , rna molecules , cells , genes

Hormone loss could be involved in colon cancer

Some cancers, like breast and prostate cancer, are driven by hormones such as estrogen and testosterone, but to date, there are none that are driven by the lack of a hormone. New evidence suggests that human colon cells may ...

Oct 10, 2014
popularity 4 / 5 (1) | comments 0

Scientists slow brain tumor growth in mice

Much like using dimmer switches to brighten or darken rooms, biochemists have identified a protein that can be used to slow down or speed up the growth of brain tumors in mice.

May 13, 2014
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How untying knots promotes cancer

Researchers have long known that high levels of a specific protein in human cells are linked to tumor growth – but no one has fully understood how.

Aug 20, 2013
popularity 4.9 / 5 (7) | comments 0 | with audio podcast

Messenger RNA

Messenger ribonucleic acid (mRNA) is a molecule of RNA encoding a chemical "blueprint" for a protein product. mRNA is transcribed from a DNA template, and carries coding information to the sites of protein synthesis: the ribosomes. Here, the nucleic acid polymer is translated into a polymer of amino acids: a protein. In mRNA as in DNA, genetic information is encoded in the sequence of nucleotides arranged into codons consisting of three bases each. Each codon encodes for a specific amino acid, except the stop codons that terminate protein synthesis. This process requires two other types of RNA: transfer RNA (tRNA) mediates recognition of the codon and provides the corresponding amino acid, while ribosomal RNA (rRNA) is the central component of the ribosome's protein manufacturing machinery.

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