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Fig. 6. TGF-ß1 concentration-dependent increase in relative PAI-1 mRNA transcripts. Quiescent T2 cells (Q) were stimulated with TGF-ß1 at the indicated concentrations and RNA isolated 2 hours later. Northern blots (insert for example) were scanned and the average PAI-1 transcript abundance, normalized to A-50 signal, calculated for 2 separate experiments.