| 5-HT | Serotonin |
| ATCC | American Type Culture Collection |
| CDT | Clostridium difficile epidemic strain |
| DAMP | Damage-associated molecular patterns |
| DARPA | Defense Advanced Research Projects Agency |
| DMSZ | German Collection of Microorganisms and Cell Cultures |
| EHEC | Enterohemorrhagic Escherichia coli |
| EIEC | Enteroinvasive Escherichia coli |
| FDA | Food and Drug Administration |
| GABA | Gamma-aminobutyric acid |
| GoC | Gut-on-chip |
| HIMEC | Human intestinal microvascular endothelial cell |
| HUVEC | Human umbilical vein endothelial cell |
| IBS | Irritable bowel syndrome |
| IL | Interleukin |
| LPS | Lipopolysaccharide |
| NEC | Necrotizing enterocolitis |
| NIH | National Institutes of Health |
| OoC | Organ-on-chip |
| PBMC | Peripheral blood mononuclear cells |
| PC | Polycarbonate |
| PDMS | Polydimethylsiloxane |
| PRISMA | Preferred reporting items for systematic reviews and meta-analyses |
| PS | Polystyrene |
| RoB | Risk of bias |
| SARS-CoV-2 | Severe acute respiratory syndrome-related coronavirus-2 |
| SCFA | Short chain fatty acid |
| SIBO | Small intestinal bacterial overgrowth |
| TEER | Transepithelial electrical resistance |
| TNF-α | Tumor necrosis factor-alpha |