Transcriptomics

Dataset Information

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Host susceptibility to recurrent cystitis is shaped by bladder TNF-alpha signaling dynamics


ABSTRACT: Urinary tract infections (UTI) are common and recurrent. Both host genetics and UTI history impact susceptibility to recurrent UTI (rUTI) in women and in animal models. To identify shared patterns of host response that correlate with susceptibility, we investigated bladder inflammatory and transcriptional kinetics in acute and rUTI models. We found that TNFɑ signaling kinetics differed with mouse strain and infection history. Mice resistant to severe UTI/rUTI displayed a robust TNFɑ-dependent inflammation during the first 6 hours of acute cystitis, which waned by 24 hours; mice that are susceptible varied in their early responses but were prone to severe inflammation at 24 hours post-infection. Depletion of TNFɑ in an rUTI model revealed that early TNFɑ signaling promoted colonization resistance via exfoliation of infected bladder cells, but prolonged TNFɑ signaling exacerbated inflammation, thereby worsening infection. Host genetics and disease history impacts susceptibility by regulating the kinetics of a common TNFɑ pathway.

ORGANISM(S): Mus musculus

PROVIDER: GSE117532 | GEO | 2019/07/21

REPOSITORIES: GEO

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