Figure 3: Relative mRNA expression of the markers of ER stress as measured by RT PCR after treatment of ER stressed A 549 cells with BMSC-cm.

Gene expression levels of ER stress makers GRP78 (a,d) CHOP (b,e) and XBP-1 (c,f) are significantly reduced. Relative mRNA expression represented as ΔΔCT is expressed as mean ± SEM. Experiments were performed in triplicates (n = 3).