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PG/VG aerosols induce changes in the expression of airway cell markers To determine whether e-cig aerosols of PG/VG induce changes in the differentiation of exposed HBEC, we analyzed the mRNA expression of cell type-specific markers

The primary challenge was the extreme rarity of PNECs, which make up less than 1% of lung cells, making them nearly impossible to isolate and study in depth, Zhang said

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This included a number of pieces of proximity media including washroom panels and beer mats, sandwich bags and coffee cups, to disrupt roll-up smokers when they were most engaged in their habit