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. 1992 May;25(1):148-57.
doi: 10.1002/mrm.1910250115.

Specific MR imaging of human lymphocytes by monoclonal antibody-guided dextran-magnetite particles

J W Bulte  1 , Y Hoekstra, R L Kamman, R L Magin, A G Webb, R W Briggs, K G Go, C E Hulstaert, S Miltenyi, T H The, et al.
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Specific MR imaging of human lymphocytes by monoclonal antibody-guided dextran-magnetite particles

J W Bulte et al. Magn Reson Med. 1992 May.

Abstract

Human lymphocytes were labeled with biotinylated anti-lymphocyte-directed monoclonal antibodies, to which streptavidin and subsequently biotinylated dextran-magnetite particles were coupled. This labeling resulted in a strong and selective negative contrast enhancement of lymphocyte suspensions at 2.0 T, caused predominantly by the specific increase of R2 with a small but significant specific increase of R1. The R1 was found to decrease with increasing field strength. The immunolabeling procedure described here may be used for the selective signal depletion of target cells in MR imaging.

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