A groundbreaking metabolic analysis reveals that many cases of iron deficiency anemia may actually stem from undetected copper deficiency. Researchers have identified three critical checkpoints in iron metabolism where copper-dependent enzymes are absolutely essential for proper function.
The first checkpoint occurs during gut absorption, where the enzyme hephaestin must extract iron from intestinal cells. The second checkpoint involves ceruloplasmin in the bloodstream, which oxidizes iron for binding to transport proteins. The third occurs during red blood cell recycling, where another form of ceruloplasmin releases iron back into circulation.
When copper levels fall below adequate thresholds, iron becomes trapped in liver and intestinal tissues while patients paradoxically develop anemia despite having sufficient iron in their bodies. This counterintuitive finding suggests that current diagnostic protocols may be missing a critical piece of the metabolic puzzle.
Read the full article on GMJ Newsroom.
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