Unlocking the Mystery: Omega-3 Fatty Acids and the Blood-Brain Barrier.

Researchers have developed a zebrafish model that sheds light on how the brain acquires essential omega-3 fatty acids, including DHA and ALA, and how the lipid transporter Mfsd2a transports these fatty acids across the blood-brain barrier. The study provides detailed images of the structure of Mfsd2a and identifies three compartments that suggest distinct steps required to move and flip fatty acids through the transporter. The findings could help in designing drug molecules capable of directly reaching the brain and shed light on disruptions that can lead to neurological conditions.