Glutamine Functions

Functions Glutamine has a variety of biochemical functions including:

1. A substrate for DNA synthesis
2. Major role in protein synthesis
3. Primary source of fuel for enterocytes (cells lining the inside of the small intestine)
4. Precursor for rapidly dividing immune cells, thus aiding in immune function
5. Regulation of acid-base balance in the kidney by producing ammonium
6. Alternative source of fuel for the brain and helps to block cortisol-induced protein catabolism
7. As a form of fixed nitogen by heterocysts, exchanged for photosynthate from undifferentiated cyanobacterial cells