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Abstract Pretreatment of sheep erythrocytes with neuraminidase greatly enhances their specific binding and rosette formation with human T lymphocytes. Since the rosettes dissociate at 37°C, a method was developed to isolate human T lymphocytes with a high degree of purity and good recoveries. Trypsin treatment of E abolishes their binding to T lymphocytes. Trypsin-treated erythrocytes can be coated with antibody and complement components and used as a specific reagent to detect the C3 receptor on human B lymphocytes, avoiding the risk of an interaction between the erythrocytes and T lymphocytes.
Weiner et al. (Sat,) studied this question.