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. 2018 Sep 30;2018:8238459. doi: 10.1155/2018/8238459

Table 2.

Intracellular O2 levels under various cell culture conditions.

Cell line and conditions Extracellular O2 (%) Intracellular O2 (%) References
Confluent, differentiated PC12 cell monolayer 20 ~15 [74]
10 ~7
6 ~1.5
HeLa 20 ~17 [75]
10 8-9
5 2–5
Undifferentiated PC12 cells 20 ~15 [76]
8 1-2
Mouse embryonic fibroblasts 20 6–8 [76]
Mouse embryonic fibroblasts 20 ~14 [9]
9 2-3
5 ~0.5