(up″reg-u-la´shәn) increase in expression of a gene; in the narrowest sense, that in which transcription of a specific mRNA is increased, but also used more broadly to refer to increase in mRNA levels for a particular gene from any cause, such as increased stability of the specific mRNA.
Found on
http://www.encyclo.co.uk/local/21001
Type: Term Pronunciation: ŭp′reg-yū-lā′shŭn Definitions: 1. Opposite of down-regulation.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=95800
Upregulation: An increase in the number of receptors on the surface of target cells, making the cells more sensitive to a hormone or another agent. For example, there is an increase in uterine oxytocin receptors in the third trimester of pregnancy, promoting the contraction of the smooth muscle of the uterus.
Found on
http://www.medterms.com/script/main/art.asp?articlekey=24470
No exact match found.
