Summary
In order to examine expression of the Tn antigen on erythroid cells from a patient with Tn syndrome, we applied a selective two phase liquid culture system for human erythroid progenitors in peripheral blood. The cells were analyzed with flow cytometry employing an anti-Tn antibody and a lectin ofVicia villosa which recognizes only the Tn determinant. In the second phase, the Tn antigen was expressed on the cultured cells from the patient on day 3 and Tn-positive cells reached 62.7% on day 9. On the other hand, Tn-positive cells were not detected in the volunteer's cultured cells. When the patient's cells were co-cultured with the cells from a healthy voluteer, the percentage of Tn-positive cells was much lower than the expected value, suggesting that the normal cells suppressed the expression of Tn antigen on the patient's cells.
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Kamitani, Y., Kajii, E., Suda, T. et al. Expression of the Tn antigen on erythroid cells from a patient with Tn syndrome. Jap J Human Genet 37, 271–283 (1992). https://doi.org/10.1007/BF01883318
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DOI: https://doi.org/10.1007/BF01883318