Stimulation of Amino Acid Transport in Isolated Diaphragm by Growth Hormone Added in vitro
- 11 December 1959
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 130 (3389) , 1653-1654
- https://doi.org/10.1126/science.130.3389.1653
Abstract
The influence of the pituitary on the transport of α-aminoisobutyric acid-1-C14 into the cells of isolated rat diaphragm was investigated. Hypophysectomy results in a lower-than-normal rate of α-aminoisobutyric acid-1-C14 penetration into muscle. Adding either simian or bovine growth hormone preparations to the incubation medium in concentrations of 2.5 to 25 µg/ml of medium resulted in a doubling of the α-aminoisobutyric acid-l-C14 penetration rate. The stimulatory effect was minimized when the hormone concentration was reduced to 0.25 µg/ml of medium.Keywords
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