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Horm Metab Res 1972; 4(3): 139-143
DOI: 10.1055/s-0028-1094087
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© Georg Thieme Verlag KG Stuttgart · New York

Influence of Exercise upon Serum Factors and its Secondary Effect on Glucose Utilization by the Resting Muscle[*]

O.  Szabo , A. J. Szabo , R. J. Mahler [**]
  • Department of Medicine, Section of Endocrinology, New York Medical College, New York, New York 10029, USA
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Publication History

Publication Date:
07 January 2009 (online)

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Abstract

The aim of the present study was to investigate the existence of a transferable "exercise factor" which facilitates glucose transport. Rat hemidiaphragms were incubated either in rat plasma obtained from fasted donors or in rat plasma which previously was used as perfusate for a resting hind limb preparation, or in rat plasma which was perfused during electrical stimulation the hind limb. A transferable "exercise factor" could not be demonstrated; rather the "insulin-like activity" became progressively reduced, in plasmas previously perfused through resting or electrically stimulated muscle preparations.

Key words

Exercise Factor - Insulin-Like Activity - Muscle Perfusion - Glucose Uptake - Hind Limb - Hemidiaphragm

1 This work was supported by Grant Number U-1960 from the Health Research Council of the City of New York.

1 This work was supported by Grant Number U-1960 from the Health Research Council of the City of New York.

2 Present address: City of Hope Medical Center, Duarte, California 91010, USA

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