Related Experiment Videos
Neuroendocrine-immune interactions in the neonate
R L Matteri1, J J Klir, B N Fink
1Animal Physiology Research Unit, United States Department of Agriculture, Columbia, MO 65211, USA.
Domestic Animal Endocrinology
|October 24, 1998
Summary
Neonatal pig cytokine responses to lipopolysaccharides vary by age and tissue. Early low gene expression in neuroendocrine tissues may impact immune responses to infection, presenting research opportunities.
Area of Science:
- Immunology
- Neuroendocrinology
- Animal Science
Background:
- Cytokine responses to lipopolysaccharides (LPS) are critical for immune defense.
- Neuroendocrine-immune interactions are vital in neonatal development and disease resistance.
- Limited data exists on these interactions in neonatal livestock.
Purpose of the Study:
- To investigate age- and tissue-dependent cytokine responses to LPS in neonatal pigs.
- To understand the implications of early cytokine expression on neuroendocrine and immune function.
- To highlight research gaps and opportunities in neonatal livestock immunology.
Main Methods:
- Analysis of cytokine gene expression in serum and neuroendocrine tissues of neonatal pigs.
- Comparison of responses across different ages and specific tissues.
- Assessment of lipopolysaccharide (LPS) challenges.
Main Results:
- Cytokine responses to LPS were significantly age- and tissue-dependent.
- Early neonates exhibited lower cytokine gene expression in neuroendocrine tissues.
- Serum and tissue-specific responses to LPS were not always concordant.
Conclusions:
- Developmental stage critically influences neuroendocrine tissue cytokine responses to LPS in pigs.
- Reduced early cytokine expression may impair neonatal immune and neuroendocrine function during infection.
- Further research is needed to elucidate neuroendocrine-immune interactions in neonatal livestock for improved health and production.