ENHANCED TUMOUR NECROSIS FACTOR AND INTERLEUKIN-1 IN FULMINANT HEPATIC FAILURE

The Lancet ◽  
1988 ◽  
Vol 332 (8602) ◽  
pp. 72-74 ◽  
Author(s):  
Yasutoshi Muto ◽  
Anthony Meager ◽  
KayhanT. Nouri-Aria ◽  
GraemeJ.M. Alexander ◽  
AdrianL.W.F. Eddleston ◽  
...  
1996 ◽  
Vol 90 (1) ◽  
pp. 77-80 ◽  
Author(s):  
Helen M. Keane ◽  
Nick Sheron ◽  
John Goka ◽  
Robin D. Hughes ◽  
Roger Williams

1. Soluble tumour necrosis factor receptors released into the circulation inhibit the effects of excess tumour necrosis factor-α and represent an important protective response. 2. In this study we have measured the levels of tumour necrosis factor and soluble tumour necrosis factor receptors p55 and p75 in the plasma of 10 patients with fulminant hepatic failure and 10 healthy control subjects. The capacity of the plasmas at varying dilutions to inhibit the biological activity of 1000 pg/ml of recombinant tumour necrosis factor in a tumour necrosis factor cytotoxicity assay in vitro was also determined. 3. The mean plasma levels of tumour necrosis factor in patients with fulminant hepatic failure (48.4 ± 10.9 pg/ml) were significantly increased compared with normal control subjects (6.1 ± 1.04 pg/ml, P < 0.01). Plasma soluble tumour necrosis factor receptors p55 and p75 were also significantly elevated in patients with fulminant hepatic failure (18.16 ± 9.94 ng/ml and 16.06 ± 9.93 ng/ml respectively) when compared with normal control subjects (1.28 ± 0.24 ng/ml and 1.62 ± 0.91 ng/ml, P < 0.001). 4. Fulminant hepatic failure plasma had a much lower capacity to inhibit tumour necrosis factor bioactivity in vitro, with a statistically significant difference between the inhibitory capacity of the fulminant hepatic failure and normal plasma seen at plasma dilutions of 1:5 and 1:20 (P < 0.05). 5. The reduced tumour necrosis factor neutralization capacity observed in fulminant hepatic failure, despite the increased levels of soluble tumour necrosis factor receptors, suggests enhanced susceptibility to the potential deleterious effects of tumour necrosis factor in fulminant hepatic failure.


1992 ◽  
Vol 3 (suppl b) ◽  
pp. 11-19
Author(s):  
Charles A Dinarello

Treating the septic shock syndrome with antibodies that block only endotoxin has its limitations. Other targets for treating septic shock include neutralizing antibodies to the complement fragment C5a, platelet activating factor antagonists and blockade of endothelial cell leukocyte adhesion molecules. Specific blockade of the pro-inflammatory cytokines interleukin-1 (IL-1) or tumour necrosis factor (TNF) reduces the morbidity and mortality associated with septic shock. Moreover, blocking IL-1 and TNF likely has uses in treating diseases other than septic shock. Use of neutralizing antibodies to TNF or IL-1 receptors has reduced the consequences of infection and inflammation, including lethal outcomes in animal models. The IL-1 receptor antagonist, a naturally occurring cytokine, blocks shock and death due to Escherichia coli as well as ameliorates a variety of inflammatory diseases. Soluble TNF and IL-1 surface receptors, which bind their respective cytokines. also ameliorate disease processes. Clinical trials are presently evaluating the safety and efficacy of anticytokine therapies either alone or in combination.


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