Gene expression in renal cortical tissue was analyzed by RT-PCR using a LightCycler FastStart DNA Master SYBR Green I kit and an ABI Prism 7000 Sequence Detection System (Applied Biosystems, Foster City, USA) as described previously [18] (link), [23] (link). The oligonucleotide primer sequences for rat β-actin, TGF-β1, α-SMA, type 1 collagen, MCP-1, PAI-1, gp91phox, Nox-1, E-cadherin, and fibroblast-specific protein 1 (FSP-1) are listed in Table 1. All data are expressed as the relative difference to the 10-week values of the DSS + NS group, after normalization to β-actin expression.
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