Increased IFN-? response to transplantation antigens measured by cytokine MLC: Indications for a bi-phasic response pattern

Increased IFN-? response to transplantation antigens measured by cytokine MLC : Indications for a bi-phasic response pattern

Svenvik, M (författare): Östergötlands Läns Landsting,Linköpings universitet,Hälsouniversitetet,Klinisk immunologi,Klinisk immunologi och transfusionsmedicin

Ekerfelt, Christina, 1957- (författare): Östergötlands Läns Landsting,Linköpings universitet,Hälsouniversitetet,Klinisk immunologi,Klinisk immunologi och transfusionsmedicin

(creator_code:org_t)

2003
2003
Engelska.
Ingår i: Transplant Immunology. - 0966-3274 .- 1878-5492. ; 11:1, s. 101-105

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Abstract Ämnesord

Stäng

The immunological reactivity to major histocompatibility transplantation antigens (MHC) is important in clinical manifestations such as graft rejection and graft-vs.-host disease. To evaluate the allogeneic cytokine response pattern we used a newly developed cytokine mixed leukocyte culture (MLC) technique. Blood mononuclear cells from healthy women (n=6) were exposed to cells from another person and to pooled cells from 28 blood donors (MHC-pool). The secretion kinetics of IL-4 and IFN-? from the responder cells was analysed by ELISPOT. We found a higher IFN-? response to the MHC-pool compared with the IL-4 secretion. Both the total secretion of IFN-? for 7 days and the median value of IFN-? in each individual was increased compared with IL-4. The IFN-? response showed a bi-phasic pattern with the major peak on day 6-7. Our results indicate that allo-responses are mainly Thl-like responses, displaying a bi-phasic pattern. This knowledge may be useful, and the methods suitable, in the studies of allo-responses in transplantation and pregnancy.

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