Serum migration-inhibitory activity in patients with acute leukemia and early leukemic lymphosarcoma

Neutrophil function in sheep experimentally infected with bovine leukemia virus

In vitro neutrophil adherence, random migration, chemotaxis, resting and phagocytosis-associated oxygen consumption and bactericidal responses were assessed in sheep experimentally infected with bovine leukemia virus (BLV). Neutrophil function was examined in two groups of 9 control and 9 BLV-infected sheep at 0, 1, 2, 3, 5, 7, 11 and 15 weeks post-infection. Enhanced neutrophil adherence, chemotaxis and resting oxygen consumption responses were found in the infected group at 2, 11 and 15 weeks respectively. Significant alterations between groups were not demonstrated during the other time intervals.

Cellular immunity in burns

Evaluation of cellular immunity in burns was undertaken using the following parameters: T-cell count; blastoid transformation and macrophage migration inhibition factor index (MIF). Their influence upon bactericidal index was also measured as T-cell count per mm3 and in percentage was found to be depressed in parallel, probably due to some cellular immune in parallel, probably due to some cellular immune functions active at the burned site. Blastoid transformation and MIF index were found to be depressed in parallel especially in major burns, i.e. above 25 per cent. These parameters had a significant influence upon the bactericidal index thus enhancing its activity to a considerable extent when values of the former were approaching near normal limits.