Abstract
RECENTLY, Neumann and Silverberg1 presented results of experiments which were very similar to those which we had briefly reported earlier2,3. They concluded that amino-acids facilitate the transport of copper at the cellular level and presented conclusive evidence to support this. They further concluded that the facilitation of copper transport by amino-acids fulfils the criteria of an “active transport system”, as it is dependent on temperature, concentration and oxygen, and operates against a chemical concentration gradient.
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References
Neumann, P. Z., and Silverberg, M., Nature, 210, 415 (1966).
Harris, D. M., and Sass-Kortsak, A., Proc. Canad. Fed. Biol. Sco., 7, 8 (1964).
Sass-Kortsak, A., Harris, D. M., Goodman, S. J., Hawke, M., and Smuckler, R. H., Canad. Med. Assoc. J., 92, 368 (1965).
Ussing, H. H., Physiol. Rev., 29, 127 (1949).
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SASS-KORTSAK, A., HARRIS, D. Copper Transport in Mammalian Tissues. Nature 211, 852–853 (1966). https://doi.org/10.1038/211852b0
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DOI: https://doi.org/10.1038/211852b0
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