Related topics: genes , proceedings of the national academy of sciences , stem cells , cells , cancer
Gene expression
hideGene 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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News tagged with gene expression
'Self-seeding' of cancer cells may play a critical role in tumor progression
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Cancer progression is commonly thought of as a process involving the growth of a primary tumor followed by metastasis, in which cancer cells leave the primary tumor and spread to distant organs. A new study by researchers ...
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Knockdown of E2F1 reduces invasive potential of melanoma cells
Dec 23, 2009 |
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Inhibition of transcription factor E2F1 reduced epidermal growth factor receptor (EGFR) expression and reduced the invasive potential but not proliferation of metastatic melanoma cells, according to a brief communication ...
Scientists identify protein that keeps stem cells poised for action
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Like a child awaiting the arrival of Christmas, embryonic stem cells exist in a state of permanent anticipation. They must balance the ability to quickly become more specialized cell types with the cellular chaos that could ...
Genomic differences identified in common skin diseases
Dec 23, 2009 |
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(PhysOrg.com) -- If you have dry skin, wet it, if wet skin, dry it. This has been a general rule of dermatology for centuries, but scientists are working to develop more precise treatments for the dozen-plus inflammatory ...
Citrus surprise: Vitamin C boosts the reprogramming of adult cells into stem cells
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Famous for its antioxidant properties and role in tissue repair, vitamin C is touted as beneficial for illnesses ranging from the common cold to cancer and perhaps even for slowing the aging process. Now, ...
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