Blood levels of PAF are elevated during immune complex induced enteropathy in rats
Author Information
Author(s): K. J. Bloch, B. P. Ng, M. Bloch
Primary Institution: Harvard Medical School; Massachusetts General Hospital
Hypothesis
Does the injection of immune complexes into rats elevate blood and leukocyte levels of platelet activating factor (PAF)?
Conclusion
The study found that blood and leukocyte levels of PAF were significantly elevated in rats injected with immune complexes, suggesting a role for PAF in the induction of intestinal lesions.
Supporting Evidence
- Blood levels of PAF were significantly higher in rats injected with immune complexes compared to controls.
- Leukocyte levels of PAF were also elevated in rats injected with immune complexes.
- PAF receptor antagonists were shown to inhibit the lesions induced by immune complexes.
Takeaway
When rats were given a special injection, a substance called PAF in their blood went up, which might be important for understanding how their intestines get hurt.
Methodology
Male Sprague-Dawley rats were injected with immune complexes and blood, plasma, and leukocyte levels of PAF were measured using a radioimmunoassay.
Limitations
The study did not determine the exact source of PAF production or the effects of handling and anesthesia on PAF levels.
Participant Demographics
Male Sprague-Dawley rats weighing 125-250 g.
Statistical Information
P-Value
p<0.005
Statistical Significance
p<0.01
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