Scientific publications

IGF1 gene transfer into skeletal muscle using recombinant adeno-associated virus in a rat model of liver cirrhosis

Zaratiegui M, Castilla-Cortázar I, García M, Quiroga J, Prieto J, Novo FJ.
Department of Genetics, University of Navarra, 31008 Pamplona, Spain

Magazine: Journal of Physiology and Biochemistry

Date: Sep 1, 2002


Systemic administration of recombinant IGF1 at low levels has been shown to improve hepatic function, nutritional status and testicular atrophy in rats with CCl4-induced cirrhosis. We have developed a recombinant adeno-associated (rAAV) viral vector containing the cDNA for rat IGF1 and confirmed the expression of IGF1 after intramuscular injection of this vector in a rat model of liver cirrhosis.

Although weight of injected muscles was significantly increased in rats with mild cirrhosis, this was not the case in rats with advanced, de-compensated cirrhosis. Furthermore, we found no significant amelioration of liver damage in treated rats at any stage of liver cirrhosis.

Our results suggest that IGF1 gene transfer into muscle results in a local effect, at least at the vector dose employed here.

CITATION  J Physiol Biochem. 2002 Sep;58(3):169-76

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