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. 2019 Aug 7;10:1865. doi: 10.3389/fimmu.2019.01865

Figure 1.

Figure 1

IL-21 and IL-21R are highly expressed in the lesional skin of psoriasis patients. (A) IL-21 and IL-21R mRNA expression in the skin of normal people (n = 15) and psoriasis patients (n = 25). (B) Expression levels of mRNA in the skin tissue of normal people (n = 15) and psoriasis patients (n = 25). (C) Western blotting of IL-21 and IL-21R of the skin of normal people (n = 15) and psoriasis patients (n = 25). (D) Immumohistochemical staining of IL-21 and IL-21R of the skin of normal people (n = 15) and psoriasis patients (n = 25). Bar = 75 μm. (E) Immunofluorescence staining of CD4 and IL-21 in skin paraffin sections obtained from normal people (n = 15) and psoriasis patients (n = 25). Bar = 75 μm. Data show means + SD. P-values were determined by unpaired Student's t-test. *P < 0.05, **P < 0.01.