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re·leas·ing fac·tors (RF),
1. any substance, usually of hypothalamic origin, capable of accelerating the rate of secretion of a given hormone by the anterior pituitary gland;
2. factors required in the termination phase of either RNA biosynthesis or protein biosynthesis. Synonym(s): termination factor
3. colloquial shortened form for the HMG-CoA reductase inhibitors used as antihyperlipidemic agents, whose generic names end with the suffix statin. Synonym(s): statins
Farlex Partner Medical Dictionary © Farlex 2012
termination factorone of a group of special proteins that mediates termination of protein synthesis by recognizing a TERMINATION CODON in mRNA and bringing about the release of the ribosomal subunits. Also called release factor (RF). see TRANSLATION.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005