MFSD2A in Focus: the Molecular Mechanism of Omega-3 Fatty Acid Transport.
Level 5 - mechanism / opinion, no new human data
Narrative review of structural, functional, and computational bench research
PubMed 40126401 · doi:10.1152/physiol.00068.2024
What was done
This narrative review synthesizes structural, functional, and computational studies examining how major facilitator superfamily domain containing 2A (MFSD2A) transports omega-3 fatty acids across the blood-brain barrier. It analyzes the sodium-dependent mechanism of lysophosphatidylcholine-bound docosahexaenoic acid (LPC-DHA) uptake, focusing on transporter conformational states, substrate pathways, and ligand-binding sites.
What was found
The abstract reports no numerical data or quantitative effect sizes. It describes the qualitative biophysical mechanism by which MFSD2A facilitates sodium-dependent transport of LPC-DHA and broader lysolipids across biological membranes into the central nervous system.
Why it matters
Understanding the structural basis of MFSD2A-mediated lipid transport explains how the brain obtains essential dietary DHA that cannot be synthesized de novo, informing targeted CNS drug delivery and nutrient transport strategies.
Limits
The paper is a non-systematic narrative review summarizing bench, structural, and in silico models with no new human or in vivo data. The abstract provides no quantitative kinetic parameters, transport rates, or binding affinity metrics.
Cited by
- supports DHA is transported across the blood-brain barrier in phospholipid form via the MFSD2A transporter.