Expressions of P2X2 and P2X3 in T13-L2 DRGs from diabetic and CON rats were determined using western blotting analysis, as previously described in details19 (link), 35 (link). The primary antibodies including rabbit anti-P2XRs (1:1000, Abcam, USA), rabbit anti-GAPDH (1:1000, Biotechnology Co., CHN), mouse anti-actin (1:1000; Chemicon, Temecula, CA) and the secondary antibodies including anti-rabbit peroxidase-conjugated secondary antibody (1:2000; Santa Cruz Biotechnology, Santa Cruz, CA), anti-mouse horseradish peroxidase-conjugated secondary antibody (1:4000; Chemicon) were used to probe the target proteins.
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