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Cytokine profiles of T cell clones. Clone 59.5 is mycobacterial-specific and generated from a tuberculoid leprosy patient (21). PPD and TT-reactive clones were generated from immunized donors, and are distinguished by the prefix P and T, respectively. Clones T1, T3, T10, T14, and T15 were derived from a tetanus toxoid-reactive donor. Clones P3, P4, P7, and P2 were derived from a normal individual who is PPD-reactive. Clone P13 was generated from another PPD-reactive normal individual.
