Amslinger, Sabine and Hecht, Stefan and Rohdich, Felix and Eisenreich, Wolfgang and Adam, Petra and Bacher, Adelbert and Bauer, Stefan (2007) Stimulation of Vgamma9/Vdelta2 T lymphocyte proliferation by the isoprenoid precursor, (E)-1-hydroxy-2-methyl-but-2-enyl 4-diphosphate. Immunobiology 212 (1), pp. 47-55.
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(E)-1-Hydroxy-2-methyl-but-2-enyl 4-diphosphate, a recently discovered intermediate in the deoxyxylulose phosphate pathway of isoprenoid biosynthesis, has been shown to act as a potent immunomodulator. In cultures of human peripheral blood mononuclear cells from eight non-related donors, the compound stimulated the proliferation of Vγ9/Vδ2 T lymphocytes with a median EC50 of 70 pM when 10 U/ml of IL-2 was used as costimulant. Isopentenyl diphosphate (IPP), dimethylallyl diphosphate (DMAPP) and some structural analogs of (E)-1-hydroxy-2-methyl-but-2-enyl 4-diphosphate also stimulated Vγ9/Vδ2 T-cell proliferation, albeit at much higher concentrations. The Vγ9/Vδ2 T-cell proliferation is highly dependent on the seeding density used in culture. All phosphoantigens tested elicited the proliferation of two T-lymphocyte populations with different apparent ratios between the expression level of Vδ2 and Vγ9 chains.
|Institutions:||Chemistry and Pharmacy > Institut für Organische Chemie > Arbeitskreis Dr. Sabine Amslinger|
|Subjects:||500 Science > 540 Chemistry & allied sciences|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||No|
|Owner:||Dr. Sabine Amslinger|
|Deposited On:||24 Nov 2009 15:52|
|Last Modified:||05 Nov 2012 09:05|
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