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Differential expression of migration inhibitory and migration stimulatory factors in two lines of mice genetically selected for high or low responsiveness to phytohemagglutinin. 1. Migration stimulatory factor(s) from T and B cells of immune spleen



Differential expression of migration inhibitory and migration stimulatory factors in two lines of mice genetically selected for high or low responsiveness to phytohemagglutinin. 1. Migration stimulatory factor(s) from T and B cells of immune spleen



Experimental and Clinical Immunogenetics 8(3): 140-158



Expression of the lymphokine migration inhibition factor in two lines of mice genetically selected for the high (Hi/PHA) or low (Lo/PHA) response of their lymph node cells to phytohemagglutinin was found to be modulated by concomitant expression of migration stimulation factor(s) [MStF(s)]. The expression of both lymphokines was dependent on genetic character and the immunizing dose of antigen. In mice immunized 5 days earlier with 50 micrograms ovalbumin in Freund's complete adjuvant (Ova in FCA immune), migration inhibition factor, assessed with a sensitive photoelectric method, was well expressed by male spleen or lymph node 24-hour culture supernatants of Lo/PHA but Hi/PHA, especially female, expressed marked MStF(s) instead. Immunization with 500 micrograms Ova in FCA markedly enhanced expression of MStF(s) in Lo/PHA but inhibited it in Hi/PHA. MStF(s) of Ova in FCA immune spleens of the two lines were found to derive from both T and B cells, B cell activity being greater. Lo/PHA were by far better expressors of both T- and B-cell-derived MStF(s) as compared to Hi/PHA (p less than 0.01). Spleen cells of mice immunized with FCA alone also expressed MStF(s) but to lesser extent than Ova in FCA immune spleens, expression by Lo/PHA B cells being significantly higher than in Hi/PHA (p less than 0.05). The MStF(s) of Ova in FCA immune spleens was found to be non-immunoglobulin in nature.

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Accession: 007209920

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PMID: 1799458


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