Levels of the enzyme plasma creatine phosphokinase indicate when muscle proteins have been damaged. (aminoacidstudies.org)
A significant association was identified in OCD patients near a gene called protein tyrosine phosphokinase (PTPRD). (sciencedaily.com)
Creatinine phosphokinase (CK) is not stable in your pet's blood stream, so when its level is high, veterinarians know that the muscle damage was recent - or is still in progress. (2ndchance.info)