cAMP	Cyclic adenosine monophosphate
cDNA	Complementary DNA
CFU	Colony forming unit
CLSM	Confocal laser scanning microscopy
DAPI	4′-6-diamidino-2-phenylindole dihydrochloride
DBA	Dexamethasone, butyrate and aldosterone
EDTA	Ethylenediaminetetraacetic acid
EGTA	Ethylene glycol-bis(β-aminoethyl ether)-N,N,N′,N′-tetraacetic acid
ENaC	Epithelial sodium channel
ERK	Extracellular signal-regulated kinase
FCS	Fetal calf serum
GAPDH	Glyceraldehyde 3-phosphate dehydrogenase
GC	Glucocorticoids
GR	Glucocorticoid receptor
H2PO4−	Dihydrogen phosphate
HCO3−	Hydrogen carbonate
h-f FCS	Hormone-free FCS
HPO42−	Hydrogen phosphate
IFN	Interferon
IL	Interleukin
ISC	Short circuit current
JAM	Junctiunal adhesion molecule
JNK	c-Jun N-terminal kinase
LaGeSo	Landesamt für Gesundheit und Soziales
MAPK	Mitogen-activated protein kinase
MC	Mineralocorticoids
MEK	Mitogen-activated protein kinase kinase
miRNA	MicroRNA
MOI	Multiplicity of infection
MR	Mineralocorticoid receptor
mRNA	Messenger RNA
PBS	Phosphate-buffered saline
PGE2	Prostaglandin E2
PMSF	Phenylmethylsulfonyl fluoride
PVDF	Polyvinylidene fluoride
PVP	Polyvinylpyrrolidone
STAT-6	Signal transducer and activator of transcription 6
TER	Transepithelial electrical resistance
TJ	Tight junction
TNF	Tumor necrosis factor