Transcriptome
The transcriptome is the full set of RNA transcripts, including messenger RNA, transfer RNA, and others, produced by the genome of a cell or organism at a specific time. It serves as a dynamic blueprint of gene activity, helping scientists decode how genes respond to environmental changes or diseases, and it's revolutionized fields like personalized medicine by revealing hidden layers of cellular function.
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The human transcriptome is so vast and variable that a single cell type can produce over 100,000 different RNA transcripts, and studies from the ENCODE project revealed that up to 80% of the genome is functional in creating these transcripts, challenging the long-held idea that much of our DNA is 'junk.' This discovery has opened doors to understanding complex traits and diseases, like how specific transcriptome changes drive the progression of Alzheimer's disease.
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