RGD Reference Report - Role of IL-1 in renal ischemic reperfusion injury. - Rat Genome Database

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Role of IL-1 in renal ischemic reperfusion injury.

Authors: Haq, M  Norman, J  Saba, SR  Ramirez, G  Rabb, H 
Citation: Haq M, etal., J Am Soc Nephrol. 1998 Apr;9(4):614-9.
RGD ID: 6909149
Pubmed: PMID:9555664   (View Abstract at PubMed)

Interleukin-1 (IL-1) is a central component of many acute inflammatory processes. Blocking IL-1 receptor (IL-1R) with IL-1R antagonist (IL-1Ra) has attenuated ischemic reperfusion injury in brain, heart, and liver models. However, the role of IL-1 in renal ischemic reperfusion injury (IRI) is not known. Therefore, the role of IL-1 in renal IRI was evaluated using the complementary approaches of IL-1R blockade in wild-type mice in addition to the study of renal IRI in IL-1R knockout (KO) mice. Ischemia was induced by bilateral renal pedicle clamping for 30 min. IL-1Ra was administered at 10 mg/kg every 4 h, high doses that have been protective in previous organ injury models in mice. IL-1R KO animals, previously characterized as insensitive to IL-1, had the absence of IL-1R1 confirmed by DNA blots. IL-1Ra, IL-1R KO, and control groups had similar elevations of blood urea nitrogen (114 +/- 13, 133 +/- 11, and 120 +/- 11 mg/dl) and serum creatinine (1.7 +/- 0.3, 2.1 +/- 0.2, and 1.6 +/- 0.3 mg/dl) 24 h after ischemia. Furthermore, acute tubular necrosis scores were also similar in IL-1Ra-treated mice (3.0 +/- 0.3), IL-1R KO mice (2.7 +/- 0.3), and control mice (3.1 +/- 0.2). However, both IL-1Ra and IL-1R KO groups, compared with control animals, developed significantly less infiltration of polymorphonuclear leukocytes per 10 high-power fields in postischemic renal tissue (1111 +/- 228 and 967 +/- 198 versus 1820 +/- 190, P < 0.05). In contrast to the comparable renal functions at 24 h, recovery of renal function was significantly accelerated in the IL-1R KO group compared with control at both 48 (P < 0.05) and 72 (P < 0.05) h. Recovery in the IL-1Ra group was similar to that in the control animals. These data demonstrate that IL-1 is unlikely to be beneficial in the recovery of renal function after ischemia and may play a deleterious role.



RGD Manual Disease Annotations    Click to see Annotation Detail View

  
Object SymbolSpeciesTermQualifierEvidenceWithNotesSourceOriginal Reference(s)
IL1RNHumanKidney Reperfusion Injury  IDA mouse model treated with human proteinRGD 
Il1rnRatKidney Reperfusion Injury  ISOIL1RN (Homo sapiens)mouse model treated with human proteinRGD 
Il1rnMouseKidney Reperfusion Injury  ISOIL1RN (Homo sapiens)mouse model treated with human proteinRGD 

Objects Annotated

Genes (Rattus norvegicus)
Il1rn  (interleukin 1 receptor antagonist)

Genes (Mus musculus)
Il1rn  (interleukin 1 receptor antagonist)

Genes (Homo sapiens)
IL1RN  (interleukin 1 receptor antagonist)


Additional Information