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. 1991;23(9):933-7.
doi: 10.1016/0020-711x(91)90082-x.

The effect of tumour bearing on skeletal muscle glutamine metabolism

M Parry-Billings  1 , B Leighton, G D Dimitriadis, R Curi, J Bond, S Bevan, A Colquhoun, E A Newsholme
Affiliations

The effect of tumour bearing on skeletal muscle glutamine metabolism

M Parry-Billings et al. Int J Biochem. 1991.

Abstract

1. The effects of tumour bearing on glutamine metabolism in rat skeletal muscle were examined using the Walker 256 carcinosarcoma. 2. There was a rapid and marked decrease in skeletal muscle glutamine content, which was correlated with the size of the tumour, and a decrease in plasma glutamine concentration. 3. The rate of release of glutamine from EDL muscle in vitro was increased in cachectic, tumour bearing animals, but was unaffected from the soleus muscle of the same animals. 4. It is hypothesized that the increase in the rate of muscle glutamine release during cachexia represents a response of this tissue in order to satisfy the demand for glutamine by the tumour or by cells of the immune system.

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