Role of third serum vitamin B 12 binding protein in vitamin B 12 transport.
نویسندگان
چکیده
A third vitamin B(12) binding protein present in normal serum has been shown to participate in transport of labelled vitamin B(12) absorbed from the gut. All three vitamin B(12) binding proteins in serum were labelled at the same time after oral administration of vitamin B(12), implying that "free" vitamin B(12) reached the portal blood from the gut mucosa.
منابع مشابه
Longitudinal concentrations of vitamin B(12) and vitamin B(12)-binding proteins during uncomplicated pregnancy.
BACKGROUND Because reference values for vitamin B(12) concentrations and vitamin B(12)-binding capacities for pregnant women have not been established, the reference values for nonpregnant women are often applied to assess vitamin B(12) status. The aim of the present study was to describe ranges of biochemical indices of vitamin B(12) status, including red blood cell (RBC) vitamin B(12), satura...
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متن کاملElectrophoretic studies of the vitamin B12-binding protein of normal and chronic myelogenous leukemia serum.
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متن کاملSerum vitamin B 12 levels and vitamin B 12 binding capacity in pregnant and non-pregnant Europeans and West Indians.
The vitamin B(12) level and the capacity of serum to bind B(12) are higher in the West Indian population living in Great Britain than in Europeans. The B(12) level fell during pregnancy in both groups but remained higher in the West Indians. West Indians had higher levels of IgG.
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ورودعنوان ژورنال:
- British medical journal
دوره 2 5811 شماره
صفحات -
تاریخ انتشار 1972