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. 2012 Dec 23;2012:342165. doi: 10.1155/2012/342165

Figure 3.

Figure 3

Effects of one- and five-dosage (1D, 5D) dry needling on β-endorphin expression in the needling-treated muscle and serum. The levels of β-endorphin in the muscle and serum obtained by (a) Western blot analysis and (b) ELISA. A representative Western blot image of a muscle tissue is shown (upper panel of (a)). The quantification of the protein levels is expressed as mean ± SD. *Indicates a significant difference (P < 0.05) between the sham groups (s1D and s5D). #Represents the significant difference (P < 0.05) between the 1D and 5D groups. DN: dry needling.