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Two-dimensional principal component analysis (2D PCA) scores plots of the relative abundance of phospholipid species related to the internal standard of each phospholipid class in keratinocytes isolated from the skin of control (Control) and rats with UVA-irradiated rats (increasing doses of 0.5 to 5 J/cm2 for 4 weeks). These cells have not been treated (Control and UVA) or treated with cannabidiol (CBD) (CBD and UVA + CBD) (2.5 g CBD in 100 g petrolatum).
