Figure 7From: Cigarette smoke exposure inhibits extracellular MMP-2 (gelatinase A) activity in human lung fibroblastsQualitative RT-PCR analysis for the expression of gelatinases and TIMPs in treated HFL-1 fibroblasts. Qualitative RT-PCR was performed as stated in materials and methods. Loading 20 μl/lane. Cycling of 35 cycles for each product.Back to article page