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mRNA expression of three NOS isoforms (nNOS, iNOS, and eNOS) in human ciliary bodies. RT-PCR analysis of NOS mRNAs are shown in A. Each experiment was repeated 3 times and the mean values of the results of these experiments are shown in B. The asterisk indicates a p<0.001, versus forskolin (0 h) and the double asterisk indicates a p<0.05, versus forskolin (24 h).
