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Effects of the 3RF reference cigarette and heat-not-burn tobacco products on lipid metabolism. (A) Abundance of PEs and LPEs. Log2 FC versus Sham are color coded, and statistical significance is indicated: *FDR-adjusted p value <0.01; XFDR-adjusted p value <0.05. (B) Expression of genes involved in glycerophospholipid metabolism. (C) Abundance profiles of surfactant proteins and candidate surfactant lipids. PC, phosphatidylcholine; PG, phosphatidylglycerol.
