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Downregulation

   Also found in: Wikipedia 0.01 sec.
Downregulation
Cell biology The reduction of a cell’s response to a hormone or other ligand by internalizing its cognate receptor and degrading it within a coated pit; downregulation is a mechanism by which receptors respond to an excess of ligands
Genetics The decrease of a gene’s transcriptional machinery usually by a DNA-binding protein that acts on a regulatory region


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8) They bind to GnRH receptors for extended intervals, with resultant downregulation of the pituitary gland, resulting in decreased production of gonadotrophins and ovarian hormones.
The researchers discovered that downregulation of IRF-8 (meaning that the gene produces less IRF-8 protein) increases the production of cells called osteoclasts that are responsible for breaking down bone.
Acute stressors (lasting minutes) were associated with potentially adaptive upregulation of some parameters of natural immunity and downregulation of some functions of specific immunity.
 
 
 
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