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Calcium transport by red blood cell membranes from young and adult cattle |
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| Authors: | A Zimmermann H J Schatzmann |
| Institution: | (1) Department of Veterinary Pharmacology, University of Bern, Länggasstrasse 124, CH-3012 Bern, Switzerland |
| Abstract: | Summary It is shown using inside-out membrane vesicles that cattle red cells extrude calcium by means of a calmodulin sensitive Ca-pump whose activity is high in calves and extremely low in adult cows. The deline is not due to loss of calmodulin susceptibility nor to a drop in Ca-affinity. |
| Keywords: | Red blood cells bovine calcium transport membrane vesicles calmodulin calcium concentration intracellular |
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