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Updated: Feb 2, 2026

Single-Molecule Imaging of Nuclear Transport
Published on: June 9, 2010
An overview of MCT1 and MCT4 in GBM: small molecule transporters with large implications
Simon J Park1, Chase P Smith1, Ryan R Wilbur1
1Department of Cancer Biology and Pharmacology, University of Illinois College of Medicine at Peoria Peoria, IL, USA.
Abstract:
Monocarboxylate transporters (MCTs) represent a diverse group of transmembrane proteins encoded by the SLC16 gene family found ubiquitously across mammalian species. Two members of this family, MCT1 and MCT4, have been linked to key roles in the metabolic activity of tissues through the proton-coupled transport of monocarboxylates, most notably L-lactate, ketone bodies, and pyruvate. This review aims to provide an overview of MCT1 and MCT4, followed by the implications of their expression in a multitude of cancers and in glioblastoma (GBM) specifically. Further, the possible mechanisms underlying these effects will be discussed. Given the relationships between MCT1 and MCT4 and cancer, they offer a unique opportunity for novel treatment strategies. We aim to explore current therapies focused on MCT1 and MCT4 and propose future studies to better understand their role in GBM to optimize future treatment regimens.
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