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LTC4 levels after stimulation of basophils with doses of HRF/TCTP. Dextran-sedimented basophils from donors allergic to cats were incubated with increasing doses of HRF/TCTP. A total of 100 μL of reaction volume was assayed for LTC4 levels (n = 5). *P < .02 compared with buffer control; paired Student t test. The standard error is represented by the error bars.
