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T cell subpopulations in amoebic liver abscess.
A Tandon1, S K Agarwal, K Saha
1Maulana Azad Medical College, New Delhi, India.
The National Medical Journal of India
|July 1, 1992
Summary
Treatment for amoebic liver abscess significantly increases T8 cells, a type of T lymphocyte, in patients. This T8 cell sensitization may help eliminate the parasite during the later stages of the disease.
Area of Science:
- Immunology
- Infectious Diseases
- Hepatology
Background:
- Cellular immunity is implicated in amoebic liver abscess pathogenesis.
- Limited data exists on treatment effects on T cell subpopulations in these patients.
Purpose of the Study:
- To investigate the impact of metronidazole treatment on T lymphocyte subpopulations in amoebic liver abscess patients.
Main Methods:
- Prospective, controlled study of 17 patients with amoebic liver abscess.
- Analysis of T4 and T8 cell percentages before and at 4 and 8 weeks post-metronidazole treatment.
- Monoclonal antibodies and alkaline phosphatase anti-alkaline phosphatase staining technique used for T cell analysis.
Main Results:
- T4 cell percentages remained stable throughout the study.
- T8 cell percentages showed a significant increase at 4 and 8 weeks post-treatment (p < 0.05).
- The T4:T8 ratio changed from 1.7 in the acute stage to 1.1 and 1.2 at 4 and 8 weeks, respectively.
Conclusions:
- Sensitization of T8 cells occurs in the later phase of amoebic liver abscess.
- Increased T8 cell activity may contribute to parasite elimination in the human host.