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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Placenta. 2012 Oct 6;33(12):1045–1051. doi: 10.1016/j.placenta.2012.09.008

Figure 2. Maternal smoking and CYP1A activity in microsomal and cytosolic subcellular fractions of placenta.

Figure 2

Both microsomal and cytosolic proteins were incubated with ethoxyresorufin, and the CYP1A specific activity was estimated as amount of the product (resorufin) formed/min/mg of protein. Statistical differences in CYP1A specific activity between sub-cellular fraction among non-smokers (n=32) and current-smokers (n=5) were tested using Mann-Whitney rank sum test. Statistical difference between subcellular fractions (microsomes vs. cytosol) among non-smokers was tested using Wilcoxon signed rank test.