1-MT	1-methyl-D-tryptophan
3-HKYN	3-hydroxykynurenine
AhR	aryl hydrocarbon receptor
AKI	acute kidney injury
AP-1	activator protein 1
APCs	antigen-presenting cells
ATP	adenosine triphosphate
BTK	Bruton’s tyrosine kinase
CCI	cecal content injection
CLP	cecal ligation, puncture
CpG-DNA	cytosine-phosphate-guanine dinucleotides present in bacterial DNA
CVVH	continuous veno-venous haemofiltration
CXCL1	C-X-C Motif Chemokine Ligand 1
CXCR2	C-X-C Motif Chemokine Receptor 2
DAMPs	damage-associated molecular patterns
DCs	dendritic cells
FLT3L	FMS-related tyrosine kinase 3 ligand
fMLP	N-formyl-methionyl-leucyl-phenylalanine
GCN2K	general control nonderepressible 2 kinases
GFR	glomerular filtration rate
GM-CSF	granulocyte-macrophage colony-stimulating factor
HMGB1	high-mobility group box 1
i.v.	intravenously
ICAM-1	intercellular adhesion molecule 1
ICU	intensive care unit
IDO1	indoleamine 2,3-dioxygenase 1
IDO2	indoleamine 2,3-dioxygenase 2
IFN-ɣ	interferon-gamma
IGFBP7	insulin-like growth factor-binding protein 7
IL-12	interleukin 12
IL-17A	interleukin-17A
IL-6	interleukin 6
IL-8	interleukin 8
iNOS	inducible nitric oxide synthase
IRAKM	IL-1 receptor-associated kinase M
ITK	IL-2 inducible T-cell kinase
KP	kynurenine pathway
KYN	kynurenine
KYNA	kynurenic acid
LPS	lipopolysaccharide
Mac-1	macrophage-1 antigen
MCP-1	monocyte chemoattractant protein-1
MIF	migration inhibitory factor
MPO	myeloperoxidase
mtDNA	mitochondrial DNA
mTOR	mammalian target of rapamycin
MyD88	Myeloid Differentiation Factor 88
NETs	neutrophil extracellular traps
NFAT	nuclear factor of activated T cells
NF-κB	nuclear factor kappa-light-chain-enhancer of activated B cells
NGAL	neutrophil gelatinase-associated lipocalin
NK	natural killer
NLRs	nucleotide-binding oligomerization domain-like receptors
NOX-2	neutrophils possess enzymes-NADPH oxidase
PAMPs	pathogen-associated molecular patterns
PDL1	programmed death-ligand 1
PPAR-α	peroxisome proliferator-activated receptor α
QUIN	quinolinic acid
ROS	reactive oxygen species
RTECs	renal tubular epithelial cells
SAKI	sepsis-induced AKI
SIRS	systemic inflammatory response syndrome
STAT3	signal transducer and activator of transcription 3
Syk	spleen tyrosine kinase
TDO2	tryptophan 2,3-dioxygenase 2
TGF-β	transforming growth factor β
Th17	T helper 17
Th2	T helper 2
TIMP-2	tissue inhibitor of metalloproteinase-2
TLR4	Toll-like receptor 4
TLRs	Toll-like receptors
TNF-α	tumor necrosis factor α
Tregs	regulatory T cells
TRP	trypthofan
VCAM-1	vascular cell adhesion molecule 1
WT	Wild-type mice