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. 1965 Aug;96(2):475-83.
doi: 10.1042/bj0960475.

Vitamin D3 and calcium absorption in the chick

E S Holdsworth

Vitamin D3 and calcium absorption in the chick

E S Holdsworth. Biochem J. 1965 Aug.

Abstract

1. An attempt has been made to locate the site of action of vitamin D(3) as it affects the translocation of calcium across the intestine. 2. Calcium appears to be pumped out of cells by a process dependent on energy from metabolism. 3. The effects of cold, inhibitors and vitamin D(3) on the translocation of calcium by everted sacs of intestine were studied and compared with results obtained in vivo. 4. A model was proposed to explain the results which suggests that vitamin D(3) inhibits a metabolically operated pump that returns calcium from the mucosal cell to the lumen. 5. Some observations on the effect of sodium lauryl sulphate on the translocation of calcium in vivo and in vitro are reported.

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References

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