The Lysophosphatidylcholine Transporter MFSD2A Is Essential for CD8⁺ Memory T Cell Maintenance and Secondary Response to Infection.

ABSTRACT: Access to nutrients is critical for an effective T cell immune response to infection. Although transporters for sugars and amino acids have previously been described in the context of the CD8⁺ T cell immune response, the active transport of exogenous fatty acids has remained enigmatic. In this study, we discovered that the sodium-dependent lysophosphatidylcholine (LPC) transporter major facilitator superfamily domain containing 2A (MFSD2A) is upregulated on activated CD8⁺ T cells and is required for memory T cell maintenance. MFSD2A deficiency in mice resulted in decreased import of LPC esterified to long chain fatty acids into activated CD8⁺ T cells, and MFSD2A-deficient cells are at a competitive disadvantage resulting in reduced memory T cell formation a

SUBMITTER: Piccirillo AR 

PROVIDER: S-EPMC6581627 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature