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. 2020 Apr 7;11(1):1–13. doi: 10.4331/wjbc.v11.i1.1

Table 5.

Comparison of the principal experimental conditions of the protocols used to assess bacterial invasion to intestinal epithelial cells and survival and replication inside macrophages

Invasion assays
MOI Infection conditions Incubation conditions Ref.
10 30 min 3 h with amikacin 100 µg/mL [13]
10 1 h 2 h with gentamicin 100 µg/mL [70]
10 or 20 3 h 1 h with gentamicin 100 µg/mL [1,9,11,14,16,31,34,47,56-60,63-65,71]
10 3 h 1 h with gentamicin 3 mg/mL [72]
100 2 h 1 h with gentamicin 50 µg/mL [54]
100 3 h 1 h with gentamicin 50 µg/mL [62]
Survival and replication assays
10 20 min Media replacement with gentamicin 100 µg/mL for 40 min and media replacement with gentamicin 50 µg/mL for 24 h [16]
10 2 h Media replacement with amikacin 100 µg/mL for 3 and 24 h [13]
10 2 h Media replacement with gentamicin 100 µg/mL for 1 h and media replacement with gentamicin 20 µg/mL for 24 h [1,34,58]
10 or 100 Centrifugation 10 min at 1000 g and incubation 10 min Media replacement with gentamicin 100 µg/mL for 40 min and media replacement with gentamicin 20 µg/mL for 24 h [11,47,66]
10 Centrifugation 5 min at 500 g and incubation 30 min Media replacement with gentamicin 100 µg/mL for 2 h and media replacement with gentamicin 15 µg/mL for 24 h [70]
20 2 h Media replacement with gentamicin 100 µg/mL for 1 h and media replacement with gentamicin 20 µg/mL for 24 h [9,31]
20 2 h Media replacement with gentamicin 100 µg/mL for 1 and 24 h [14]
20 2 h Media replacement with gentamicin 3 mg/mL for 1 and 24 h [72]
100 Centrifugation 10 min at 1000 g and incubation 10 min Media replacement with gentamicin 20 µg/mL for 1 and 24 h [21,59]
100 2 h Media replacement with gentamicin 50 µg/mL for 1 and 24 h [54]