News tagged with gene expression

Related topics: genes , cells , protein , genome , cancer cells

Tumor location in colorectal cancer may influence survival

The two halves of the human colon have different embryonic origins and gene expression patterns, and these differences may also play a role in cancer biology, according to a study published February 24 in the JNCI: Journal of ...

Feb 24, 2015
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Epigenome orchestrates embryonic development

The early stages of embryonic development shape our cells and tissues for life. It is during this time that our newly formed cells are transformed into heart, skin, nerve or other cell types. Scientists are finding that this ...

Feb 23, 2015
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Gene expression

Gene expression is the process by which information from a gene is used in the synthesis of a functional gene product. These products are often proteins, but in non-protein coding genes such as rRNA genes or tRNA genes, the product is a functional RNA.

Several steps in the gene expression process may be modulated, including the transcription, RNA splicing, translation, and post-translational modification of a protein. Gene regulation gives the cell control over structure and function, and is the basis for cellular differentiation, morphogenesis and the versatility and adaptability of any organism. Gene regulation may also serve as a substrate for evolutionary change, since control of the timing, location, and amount of gene expression can have a profound effect on the functions (actions) of the gene in the organism.

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