L-type amino acid transporter 1 is associated with chemoresistance in breast cancer via the promotion of amino acid metabolism.

ABSTRACT: ¹⁸F-FDG PET/CT has been used as an indicator of chemotherapy effects, but cancer cells can remain even when no FDG uptake is detected, indicating the importance of exploring other metabolomic pathways. Therefore, we explored the amino acid metabolism, including L-type amino acid transporter-1 (LAT1), in breast cancer tissues and clarified the role of LAT1 in therapeutic resistance and clinical outcomes of patients. We evaluated LAT1 expression before and after neoadjuvant chemotherapy and examined the correlation of glucose uptake using FDG-PET with the pathological response of patients. It revealed that LAT1 levels correlated with proliferation after chemotherapy, and amino acid and glucose metabolism were closely correlated. In addition, LAT1 was considered to be involved in t

SUBMITTER: Sato M 

PROVIDER: S-EPMC7803739 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature