Researchers Identify Mechanism for Iron Transport Across the Blood–Brain Barrier Abluminal Membrane

Researchers identified the specific mechanism that allows iron to cross the abluminal membrane of the blood–brain barrier (BBB) in a study published this June in the journal *Experimental & Molecular Medicine*. The findings detail the molecular process by which this essential nutrient enters the brain through the barrier’s tightly regulated membrane system.

The study outlines how iron molecules navigate the abluminal side of the blood–brain barrier, a process that previously remained unclear to the scientific community. By mapping these transport pathways, the researchers provide new data on how the brain manages nutrient intake at a cellular level. This research clarifies the biological steps involved in iron movement, offering a more precise view of the interactions occurring within the brain’s vascular environment.

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Date: June 3, 2026

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GOAI