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Table 2 Number of donors used for each treatment dose of WS-CM and ACM at 0 h, 4 h and 24 h. Doses in Eq-Nic. units. Vehicle refers to RPMI medium used to dilute WS-CM and ACM

From: Differential gene expression of 3D primary human airway cultures exposed to cigarette smoke and electronic nicotine delivery system (ENDS) preparations

Exposure time

WS-CM

ACM

Vehicle

0 µg/mL

Low

3.6 µg/mL

Medium

7 µg/mL

High

10 µg/mL

Vehicle

0 µg/mL

Low

7 µg/mL

Medium

14 µg/mL

High

28 µg/mL

0 h

4 donors

–

–

–

4 donors

–

–

–

4 h

4 donors

4 donors

4 donors

4 donors

4 donors

4 donors

4 donors

4 donors

24 h

4 donors

4 donors

4 donors

4 donors

4 donors

4 donors

4 donors

4 donors