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Figure 2 | Respiratory Research

Figure 2

From: Superoxide dismutase A antigens derived from molecular analysis of sarcoidosis granulomas elicit systemic Th-1 immune responses

Figure 2

Distribution of T cell frequencies among PPD negative, sarcoidosis and PPD+ subjects. The horizontal bars represent the 25th, 50th and 75th percentile respectively. There was a lack of recognition of sodA peptides among the majority of the PPD- control group, and a significant difference overall among the three groups. Among the sarcoidosis subjects, the distribution of the T cell frequencies among the sarcoidosis subjects more closely paralleled that of the PPD positive subjects also, rather than the PPD negative healthy volunteers.

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