apoferritin


Also found in: Medical.

apoferritin

[¦ap·ə¦fer·ət·ən]
(biochemistry)
A protein found in intestinal mucosa cells that has the ability to combine with ferric ion.
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When intracellular iron concentration is low, an iron regulatory protein inhibits the synthesis of apoferritin and promotes the synthesis of transferrin receptor.
The small amount of circulating ferritin is mostly apoferritin that contains little iron.
To overcome these challenges, Vekilov and Yau waited for apoferritin clusters to approach the bottom of a glass cell where the researchers already had placed an apoferritin crystal as a docking point.
They found that all of these clusters had roughly the same shape--a flat layer of apoferritin molecules with a few more molecules on top.
The average particle diameters of the calibrator LDL samples were estimated by GGE from a linear calibration curve of the logarithm of the diameter vs the migration distance, with apoferritin (12.