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Published on: December 15, 2014
Broiler chick thrombocyte response to lipopolysaccharide.
F Ferdous1, D Maurice, T Scott
1Clemson University, Animal and Veterinary Science Department, 123 P&A Building, Clemson, SC 29634-0311, USA.
Poultry Science
|December 15, 2007
Summary
Broiler chick thrombocytes express key inflammatory cytokines when exposed to lipopolysaccharide (LPS). This suggests thrombocytes play a vital role in chicken immune defense against bacterial infections.
Area of Science:
- Immunology
- Poultry Science
- Cell Biology
Background:
- Thrombocytes are crucial immune cells in chickens.
- Proinflammatory cytokines like IL-1beta, IL-6, and IL-12 are key mediators of inflammation.
- Understanding cytokine expression in thrombocytes is important for poultry health.
Purpose of the Study:
- To investigate the effect of lipopolysaccharide (LPS) on proinflammatory cytokine expression in broiler chick thrombocytes.
- To determine if dietary factors influence this response.
Main Methods:
- Broiler chicks at 4 weeks of age were used.
- Thrombocytes were isolated and incubated with LPS.
- Real-time reverse transcription PCR was employed to analyze cytokine gene expression (IL-1beta, IL-6, IL-12).
Main Results:
- LPS exposure significantly increased the expression of IL-1beta, IL-6, and IL-12 in thrombocytes.
- Dietary corticosterone and vitamin C did not affect the expression of these cytokines in thrombocytes.
- Thrombocytes demonstrated a notable increase in cytokine production upon LPS stimulation.
Conclusions:
- Broiler chick thrombocytes are responsive to LPS, indicating their role in innate immunity.
- Thrombocytes can be considered primary effector cells in host defense against bacterial infections in chickens.
- The abundance and responsiveness of thrombocytes highlight their significance in poultry immune responses.
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