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Bovine acute phase response following turpentine injection
J G Conner1, P D Eckersall, A Wiseman
1Department of Clinical Biochemistry, University of Glasgow Veterinary School.
Research in Veterinary Science
|January 1, 1988
Summary
Serum protein levels in calves, including alpha 1 antitrypsin and haptoglobin, were measured after turpentine injection. Haptoglobin and seromucoid levels varied with dose, indicating a dose-dependent inflammatory response.
Area of Science:
- Veterinary Medicine
- Biochemistry
- Animal Physiology
Background:
- Serum proteins are crucial biomarkers for physiological and pathological states in animals.
- Turpentine injection is a common method to induce an acute inflammatory response in research models.
- Understanding the kinetics of acute-phase proteins is vital for diagnosing and monitoring inflammation in livestock.
Purpose of the Study:
- To quantify the temporal changes in serum levels of five specific proteins following turpentine-induced inflammation in calves.
- To investigate the dose-dependent effect of turpentine on the serum concentrations of four acute-phase proteins.
Main Methods:
- Serum samples were collected daily from calves post-subcutaneous turpentine injection.
- Concentrations of alpha 1 antitrypsin, ceruloplasmin, fibrinogen, haptoglobin, and seromucoid were measured.
- The study compared protein level responses across different turpentine dosage groups.
Main Results:
- Serum concentrations of the studied proteins increased significantly, peaking between days 4-7 and normalizing by day 17.
- Haptoglobin and seromucoid levels demonstrated a clear variation in response to different turpentine doses.
- Alpha 1 antitrypsin and ceruloplasmin levels did not show significant dose-dependent changes.
Conclusions:
- Turpentine injection elicits a robust acute-phase protein response in calves, with distinct temporal patterns.
- Haptoglobin and seromucoid are sensitive indicators of inflammatory intensity and may be useful in assessing bovine inflammatory conditions.
- Alpha 1 antitrypsin and ceruloplasmin responses appear less sensitive to varying inflammatory stimuli in this model.