Inhibition of c-kit ligand/steel factor by antibodies reduces survival of lethally irradiated mice.
Blood
; 81(2): 324-7, 1993 Jan 15.
Article
em En
| MEDLINE
| ID: mdl-7678509
ABSTRACT
Survival after irradiation with LD100/30 (radiation dose lethal to 100% of mice in 30 days) is based on recovery of impaired hematopoietic function. Our previous studies using antibodies to interleukin-1 receptor (IL-1R), tumor necrosis factor (TNF), and IL-6 demonstrated that endogenous production of these three cytokines is required for untreated mice as well as mice protected with lipopolysaccharide (LPS), IL-1, or TNF to survive lethal irradiation. In this report we show that anti-c-kit ligand/steel factor (SIF) antibody similarly abrogates LPS- and IL-1-induced radioprotection. Furthermore, administration of this antibody to unmanipulated mice increased LD50/30 radiation lethality from 50% to 100%. Such an effect was not obtained using anti-IL-3, anti-IL-4, or anti-granulocyte-macrophage colony-stimulating factor antibody. Thus, like IL-1, TNF, and IL-6, SIF is required for survival from lethal irradiation.
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Base de dados:
MEDLINE
Assunto principal:
Protetores contra Radiação
/
Fatores de Crescimento de Células Hematopoéticas
/
Interleucina-1
/
Anticorpos Monoclonais
Idioma:
En
Ano de publicação:
1993
Tipo de documento:
Article