Figure 3From: Cautionary notes on the use of NF-κB p65 and p50 antibodies for CNS studies Western blots show p50 antibodies that passed (upper) and failed (lower) the test of specificity in p50 KO tissues. The protein load was 20 μg per well in a and 50 μg in b, c, and d. Arrows point to approximate 50 kDa MW or to 105 kDa as indicated in the upper blots.Back to article page