acute-phase protein

https://doi.org/10.1351/goldbook.12839
Serum protein, mostly produced in the liver, which rapidly changes in concentration (some acute-phase proteins increase, some decrease) during the initiation of an inflammatory response.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1117 [Terms] [Paper]