Abstract:
:The NF-κB family of transcription factors is important for many cellular functions, in particular initiation and propagation of inflammatory and immune responses. However, recent data has suggested that different subunits of the NF-κB family can suppress the inflammatory response. NF-κB1, from the locus nfκb1, can inhibit transcription, acting as a brake to the recognised pro-inflammatory activity of other NF-κB subunits. We tested the function of NF-κB1 in an acute (nephrotoxic serum (NTS) nephritis) and a chronic (unilateral ureteric obstruction (UUO)) model of renal injury using NF-κB1 (nfκb1-/-) knockout mice. Deficiency in NF-κB1 increased the severity of glomerular injury in NTS-induced nephritis and was associated with greater proteinuria and persistent pro-inflammatory gene expression. Induction of disease in bone marrow chimeric mice demonstrated that the absence of NF-κB1 in either bone marrow or glomerular cells increased the severity of injury. Early after UUO (day 3) there was more severe histological injury in the nfκb1-/- mice but by day 10, disease severity was equivalent in wild type and nfκb1-/- mice. In conclusion, NF-κB1 modifies acute inflammatory renal injury but does not influence chronic fibrotic injury.
journal_name
Cell Death Disjournal_title
Cell death & diseaseauthors
Fearn A,Situmorang GR,Fox C,Oakley F,Howarth R,Wilson CL,Kiosia A,Robson MG,Mann DA,Moles A,Sheerin NSdoi
10.1038/cddis.2017.233subject
Has Abstractpub_date
2017-06-15 00:00:00pages
e2883issue
6issn
2041-4889pii
cddis2017233journal_volume
8pub_type
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