Leu-enkephalin is an endogenous opioid peptide neurotransmitter found naturally in the brains of many animals, including humans. It is one of the two forms of enkephalin; the other is met-enkephalin. The tyrosine residue at position 1 is thought to be analogous to the 3-hydroxyl group on morphine.
Publication No. WO/2009/033751 Published on Oct. 29, Assigned to MONDOBIOTECH LABORATORIES for Leu-Enkephalin Usage (German, Swiss Inventors)
Oct 31, 2009; GENEVA, Oct. 31 -- Dorian Bevec and Gerald Bacher, both of Germany, and Fabio Cavalli and Vera Cavalli, both of Switzerland, have...