ornithine decarboxylase; a rate-limiting enzyme in the pathway of mammalian polyamine biosynthesis. Polyamines affect DNA, RNA and protein synthesis. For these reasons, ODC activity is said to be closely associated with tumor promotion. Green tea polyphenols inhibit ODC resulting in a decrease in polyamine synthesis and cell growth.
An pen ocument hart file is a format used for storing chart data and is part of the OASIS OpenDocument standard. It is usable by many different applications.
other direct costs. a group of accounting elements which can be isolated to specific tasks, other than labour and material. Included in ODC are such items as travel, computer time, and services.