Sentences with phrase «certain normal genes»
Cancer can also occur when certain normal genes (tumor suppressor genes, for example) are «switched on or off» as a result of environmental epigenetics — influences that occur throughout your life.
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Recent work has also shown that over - or underexpression of certain genes in Arabidopsis plants can prompt embryogenesis in otherwise normal - looking leaf cells.
Normal plants raise and lower their leaves once every 24 hours, and they switch on certain genes to a similar drumbeat.
The new research finds that the stiffness of the extracellular matrix and the availability of certain ligands (molecules that bind to cell membranes) can together determine which genes are actually called on — and whether normal epithelial cells begin to exhibit the behaviors characteristic of highly malignant cancer cells.
The molecules are critical to normal development: When the genes for certain of these molecules are experimentally erased, the eggs made by female mice are invariably defective, and the errors fatally disrupt the normal choreography of egg maturation.
This DNA becomes damaged in the course of normal cellular processes, and certain forms of mitochondrial DNA damage - to the thirteen genes needed for oxidative phosphorylation - produce malfunctioning mitochondria that can overtake their cells, either by replicating more readily or being more resistant to quality control mechanisms.