proelastase

pro·e·las·tase

(prō'ĕ-las'tās),
The precursor protein of elastase; formed in the pancreas (in vertebrates) and converted to elastase by the action of trypsin.

proelastase

the inert precursor of elastase, found in the pancreas.
References in periodicals archive ?
The situation may be even more complex during pancreatitis as both activated and nonactivated proelastase could be present in serum and recognized differently by the antibodies.