| Autor: |
Cabaj, W., Stankiewicz, M., Jonas, W. E., Moore, L. G. |
| Zdroj: |
Veterinary Research Communications; January 1995, Vol. 19 Issue: 1 p17-26, 10p |
| Abstrakt: |
Ten parasite-free lambs were drenched with 8 mg/kg of levamisole on days 0 and 28 and were injected with human erythrocytes and ovalbumin one day after each drench. Ten other antigen-injected lambs were not drenched with anthelmintic as controls. Lymphocytes from the control and drenched lambs were culturedin vitro with RPMI 1640 plus 5% fetal calf serum (FCS), with 50% autologous serum only, with concanavalin A (Con A) or with phytohaemagglutinin (PHA). Decreased blastogenesis was observed in cells from the drenched lambs cultured in the presence or absence of mitogen and was most obvious when 50% autologous serum was used, particularly with PHA, and when lymphocytes were collected 3 and 7 days after the first and 3 days after the second antigen injection. There were no significant changes in antibody titres between the groups. Decreased serum complement activity was seen 3 days after the second antigen injection in the drenched lambs. Although there was a significant reduction in the serum insulin-like growth factor I levels 4 days after each levamisole drench, the drenched lambs gained significantly more weight than the non-drenched control lambs. |
| Databáze: |
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