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Table 1 The experimental groups and samples

From: What happens to Bifidobacterium adolescentis and Bifidobacterium longum ssp. longum in an experimental environment with eukaryotic cells?

Model 1: Active Inflammatory state ( inflammatory state induced 18 h before the bacterial stimulation)

 K18h

bacteria in co-culture with CaCo2/HT29 (control)

 18 h

bacteria in co-culture with CaCo2/HT29 in inflammatory state induced 18 h prior bacteria addition

Model 2: Protection against the inflammatory state (inflammatory state induced 3 h after bacterial stimulation)

 K3h:

bacteria in co-culture with CaCo2/HT29 (control)

 3 h:

bacteria in co-culture with CaCo2/HT29 in inflammatory state induced 3 h after bacteria addition

Baseline and shared controls

 Baseline

bacteria in MRS medium under anaerobic conditions (conditions recommended for Bifidobacterium culture)

 RPMI

bacteria in RPMI 1640 medium

 RPMI + TNF-α

bacteria in RPMI 1640 medium with the addition of an inflammatory factor

 MRS medium

bacteria in MRS medium under aerobic conditions