In vitro-induced response patterns of antileukemic T cells: characterization by spectratyping and immunophenotyping

Reuther S, Schmetzer H, Schuster FR, Krell P, Grabrucker C, Liepert A, Kroell T, Kolb H-J, Borkhardt A, Buhmann R (2013)
Clinical and Experimental Medicine 13(1): 29-48.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
Myeloid leukemic cells can be induced to differentiate into leukemia-derived dendritic cells (DC(leu)) regaining the stimulatory capacity of professional DCs while presenting the leukemic antigen repertoire. But so far, the induced antileukemic T-cell responses are variable both in specificity and in efficacy. In an attempt to elucidate the underlying causes of different T-cell response patterns, T-cell receptor (TR) Vβ chain rearrangements were correlated with the T cells corresponding immunophenotypic profile, as well as their proliferative response and cytolytic capacities. In three different settings, donor T cells, either human leukocyte antigen matched or mismatched (haploidentical), or autologous T cells were repeatedly stimulated with myeloid blasts or leukemia-derived DC/DC(leus) from the corresponding patients diseased from acute myeloid leukemia (AML). Although no significant differences in T-cell proliferation were observed, the T-cell-mediated cytolytic response pattern varied considerably and even caused blast proliferation in two cases. Spectratyping revealed a remarkable restriction (>75 % of normal level) of the CD4(+) or CD8(+)-TR repertoire of blast- or DC/DC(leu)-stimulated T cells. Although in absolute terms, DC/DC(leu) stimulation induced the highest grade of restriction in the CD8(+) T-cell subset, the CD4(+) T-cell compartment seemed to be relatively more affected. But most importantly, in vitro stimulation with DC/DC(leu) resulted into an identical TR restriction pattern (β chain) that could be identified in vivo in a patient sample 3 months after allo-SCT. Thus, in vitro tests combining functional flow cytometry with spectratyping might provide predictive information about T cellular response patterns in vivo.
Erscheinungsjahr
2013
Zeitschriftentitel
Clinical and Experimental Medicine
Band
13
Ausgabe
1
Seite(n)
29-48
ISSN
1591-8890
eISSN
1591-9528
Page URI
https://pub.uni-bielefeld.de/record/2492825

Zitieren

Reuther S, Schmetzer H, Schuster FR, et al. In vitro-induced response patterns of antileukemic T cells: characterization by spectratyping and immunophenotyping. Clinical and Experimental Medicine. 2013;13(1):29-48.
Reuther, S., Schmetzer, H., Schuster, F. R., Krell, P., Grabrucker, C., Liepert, A., Kroell, T., et al. (2013). In vitro-induced response patterns of antileukemic T cells: characterization by spectratyping and immunophenotyping. Clinical and Experimental Medicine, 13(1), 29-48. doi:10.1007/s10238-012-0180-y
Reuther, S., Schmetzer, H., Schuster, F. R., Krell, P., Grabrucker, C., Liepert, A., Kroell, T., Kolb, H. - J., Borkhardt, A., and Buhmann, R. (2013). In vitro-induced response patterns of antileukemic T cells: characterization by spectratyping and immunophenotyping. Clinical and Experimental Medicine 13, 29-48.
Reuther, S., et al., 2013. In vitro-induced response patterns of antileukemic T cells: characterization by spectratyping and immunophenotyping. Clinical and Experimental Medicine, 13(1), p 29-48.
S. Reuther, et al., “In vitro-induced response patterns of antileukemic T cells: characterization by spectratyping and immunophenotyping”, Clinical and Experimental Medicine, vol. 13, 2013, pp. 29-48.
Reuther, S., Schmetzer, H., Schuster, F.R., Krell, P., Grabrucker, C., Liepert, A., Kroell, T., Kolb, H.-J., Borkhardt, A., Buhmann, R.: In vitro-induced response patterns of antileukemic T cells: characterization by spectratyping and immunophenotyping. Clinical and Experimental Medicine. 13, 29-48 (2013).
Reuther, Susanne, Schmetzer, Helga, Schuster, Friedhelm R., Krell, Pina, Grabrucker, Christine, Liepert, Anja, Kroell, Tanja, Kolb, Hans-Jochem, Borkhardt, Arndt, and Buhmann, Raymund. “In vitro-induced response patterns of antileukemic T cells: characterization by spectratyping and immunophenotyping”. Clinical and Experimental Medicine 13.1 (2013): 29-48.

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PMID: 22441559
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