Fig. 7. A, Northern blot analysis showing the effect of 10 µM 15d-PGJ2 on HSP70, GRP78, and GAPDH mRNA levels. C, vehicle-treated controls; T, treated with 10 µM 15d-PGJ2 for the time periods indicated. B, results of experiments presented in A quantified by scanning densitometry. , vehicle controls; , treated with 15d-PGJ2. Error brackets, SE.