Figure 2: Expression of mRNA for markers of alternative activation, relative to HPRT, by AM from the acute exacerbation and control groups. (a) Arginase-1. (b) FIZZ1. (c) Eotaxin-2/CCL24. (d) Ym1. Data are mean ± SEM ( samples per group). Significant differences relative to the naïve group are as shown as and and those relative to the acute exacerbation group are shown as , , and .