Immune response to sheep erythrocytes fixed in formaldehyde
1978
: Treatment of sheep erythrocytes with 1.5% of formaldehyde alter their immunogenic properties. On the background of immune response to nonfixed erythrocytes, the performed studies showed the following peculiarities in the reaction of mice to fixed erythrocytes: 1) the primary response of animals, in ected with fixed erythrocytes, was rather weak after its determination by the number of rosette forming cells (RFC), antibody forming cells (AFC) in the spleen and by the of hemagglutinins (HA) in serum; 2) in contrast to the primary response the fixed erythrocytes induced a good secondary response, which was considerably higher/according to the number of RFC and titre of HA/in mice sensibilized by nonfixed erytrocytes in advance than in those presensibilized by fixed cells. Therefore the fixed erythrocytes were weaker inducers of immunologic memory than the nonfixed under equal other conditions. 3) In contrast to the nonfixed the fixed erythrocytes did not induce the formation of large amounts of direct AFC during the secondary response as well even then when the animals were presensibilized by nonfixed form of the antigen.
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