| 1994 |
Human MCT1/SLC16A1 cDNA was cloned and the protein shown to be 86% identical to hamster MCT1; the SLC16A1 locus was mapped to chromosome 1p13.2-p12 by PCR on human×rodent hybrid cell panels and fluorescence in situ hybridization. |
cDNA cloning, PCR on somatic cell hybrid panels, FISH |
Genomics |
High |
7835905
|
| 2012 |
Transgenic β-cell-specific overexpression of MCT1/SLC16A1 in mice is sufficient to cause exercise-induced hyperinsulinism (EIHI): isolated islets secreted insulin in response to pyruvate, fasting blood glucose was lowered in vivo, pyruvate challenge raised plasma insulin, and exercise failed to suppress insulin secretion—directly demonstrating that pyruvate entry via MCT1 triggers inappropriate insulin secretion and explaining the mechanism of EIHI-associated SLC16A1 promoter mutations. |
Doxycycline-inducible β-cell-specific transgenic mouse, ex vivo islet perifusion, in vivo pyruvate challenge, exercise protocol, blood glucose/insulin measurement |
Diabetes |
High |
22522610
|
| 2014 |
SLC16A1/MCT1 mediates H⁺-coupled transport of 5-oxoproline; the common polymorphism rs1049434 increases the Km for 5-oxoproline and lactate and increases the K0.5 for proton activation compared to wild-type, demonstrating a functional consequence of this variant on transporter kinetics. In T98G astrocyte-model cells, 5-oxoproline uptake is mediated solely by SLC16A1. |
Heterologous expression of wild-type and mutant SLC16A1, radiolabeled substrate transport assay, Michaelis-Menten kinetics, inhibitor studies in T98G cells |
The Journal of biological chemistry |
High |
25371203
|
| 2016 |
Atorvastatin is a non-competitive inhibitor of SLC16A1-mediated 5-oxoproline/lactate transport with an inhibition constant of ~40 µM, indicating it binds outside the substrate recognition site; however, the affinity is low enough that clinical interactions are unlikely. |
Heterologous SLC16A1 expression in mammalian cells and Xenopus oocytes, [³H]-5-oxoproline transport inhibition assay, Ki determination |
European journal of pharmacology |
Medium |
27341998
|
| 2017 |
In human astrocytes (NHA cells), pH-dependent l-lactate uptake (Km ~0.64 mM) is mediated primarily by MCT1/SLC16A1, as shown by inhibition with the selective MCT1 inhibitors α-cyano-4-hydroxycinnamate and 5-oxoproline, and confirmed by MCT1 protein expression via immunohistochemistry. |
Radiolabeled l-lactate uptake assay, pharmacological inhibition, immunohistochemistry |
Life sciences |
Medium |
29154783
|
| 2019 |
The circadian clock in retinal pigment epithelial cells regulates SLC16A1/MCT1 protein levels and apical lactate transport in a rhythmic manner; MCT1 protein (but not GLUT1) oscillated over time in ARPE-19 monolayers, and apical lactate concentrations were rhythmic and correlated with SLC16A1 mRNA expression. Photoreceptor outer segment (POS) incubation modulated SLC16A1 mRNA in a time-dependent fashion, suggesting the retina regulates RPE lactate transport via POS-RPE interaction. |
ARPE-19 monolayer culture, time-course protein and mRNA quantification, spectrophotometric lactate measurement, POS incubation experiment |
Experimental eye research |
Medium |
31678436
|
| 2021 |
PXR (Pregnane X Receptor) binds the SLC16A1 promoter and transcriptionally induces SLC16A1 expression in the presence of PXR agonists; pharmacological inhibition of SLC16A1 by BAY-8002 suppressed PXR-mediated sensitization of prostate cancer cells to afatinib and reduced intracellular afatinib accumulation, demonstrating that SLC16A1 mediates intracellular drug accumulation downstream of PXR. |
Stable PXR overexpression, ChIP assay (PXR binding to SLC16A1 promoter), pharmacological inhibition (BAY-8002), intracellular drug concentration measurement, cell viability assay |
Cancers |
Medium |
34298852
|
| 2022 |
OAT10 (SLC22A13) physically associates with MCT1/SLC16A1 in HEK293 cells, as identified by co-immunoprecipitation followed by LC-MS/MS. MCT1 knockdown increased OAT10-mediated uptake of β-hydroxybutyrate and nicotinate (shared substrates), but not orotate (OAT10-only substrate), indicating MCT1 acts as an efflux escape route for substrates taken up by nearby OAT10, functionally altering apparent OAT10 substrate selectivity. |
Co-immunoprecipitation / LC-MS/MS, siRNA knockdown, substrate uptake assay in Xenopus oocytes and HEK293 cells |
Journal of pharmacological sciences |
Medium |
35926947
|
| 2022 |
Both MCT1/SLC16A1 and MCT4 contribute to pH-dependent l-lactate transport in hepatocellular carcinoma cells (HepG2, Huh-7); selective knockdown of MCT1 or MCT4 (but not MCT2) decreased l-lactate uptake, and kinetic analysis revealed biphasic uptake consistent with two distinct transporter systems operating simultaneously. |
siRNA knockdown, radiolabeled l-lactate uptake, pharmacological inhibitors, kinetic (Michaelis-Menten) analysis |
Biopharmaceutics & drug disposition |
Medium |
36104287
|
| 2024 |
ITCH E3 ubiquitin ligase inhibits alkaliptosis (pH-dependent cell death) in pancreatic ductal adenocarcinoma cells by blocking LATS1 ubiquitination, which in turn suppresses YAP1-dependent transcriptional activation of SLC16A1; SLC16A1 upregulation by YAP1 inhibits JTC801-induced alkaliptosis, establishing an ITCH→LATS1→YAP1→SLC16A1 signaling axis that controls intracellular pH homeostasis. |
Proteomics of nuclear fractions, shRNA knockdown of ITCH and pathway components, overexpression, cell viability and death assays, Western blot |
The international journal of biochemistry & cell biology |
Medium |
39179170
|
| 2024 |
In HCC exosomes, SLC16A1-AS1 lncRNA enhances mRNA stabilization of SLC16A1 in macrophages by promoting interaction between the 3'UTR of SLC16A1 mRNA and the RNA-binding protein HNRNPA1; elevated SLC16A1 in macrophages accelerates lactate influx and activates c-Raf/ERK signaling to induce M2 polarization, establishing a non-canonical role of lactate transport via SLC16A1 in macrophage reprogramming. |
RNA immunoprecipitation, co-immunoprecipitation, mRNA stability assay, SLC16A1 knockdown/overexpression, lactate influx assay, c-Raf/ERK signaling readout |
International journal of biological sciences |
Medium |
39247822
|
| 2025 |
TMPRSS11B modulates lactate import through SLC16A1 in pancreatic ductal adenocarcinoma cells: shRNA-mediated TMPRSS11B knockdown enhanced lactate import via SLC16A1 (measured by GFP/iLACCO1 lactate uptake assay), whereas TMPRSS11B overexpression dampened SLC16A1-driven lactate uptake; both effects depended on SLC16A1 and its chaperone Basigin (BSG), establishing TMPRSS11B as a negative regulator of BSG-supported SLC16A1 lactate transport. |
shRNA knockdown, overexpression, iLACCO1 fluorescent lactate biosensor assay, gene silencing epistasis, immunohistochemistry |
International journal of molecular sciences |
Medium |
40508207
|
| 2024 |
SLC16A1 activates STAT3, which transcriptionally upregulates SLC7A11 in HNSCC cells; this SLC16A1→STAT3→SLC7A11 axis promotes ferroptosis resistance and tumor growth, as established by RNA sequencing of SLC16A1-knockdown cells, loss- and gain-of-function experiments, and xenograft assays. |
RNA sequencing, shRNA/siRNA knockdown, overexpression, in vitro and xenograft in vivo functional assays, Western blot, RT-qPCR |
Oncology research |
Medium |
42065048
|
| 2009 |
miR-124 directly represses SLC16A1 expression: transfection of miR-124 in medulloblastoma cells reduced SLC16A1 mRNA and protein levels, and a luciferase reporter assay with the SLC16A1 3'UTR confirmed direct miR-124 binding; siRNA-mediated SLC16A1 knockdown independently induced cell death, suggesting SLC16A1 lactate-efflux function is required for cell survival during aerobic glycolysis. |
Transfection of miR-124, qRT-PCR, Western blot, 3'UTR luciferase reporter assay, siRNA knockdown, cell viability assay |
Human pathology |
Medium |
19427019
|
| 2006 |
MCT1/SLC16A1 inhibition (via lonidamine or exogenous lactate at acidic pH) lowered intracellular pH in neuroblastoma cells and correlated with reduced cell viability, and this mechanism of cell death was similar to that produced by the established MCT inhibitor α-cyano-4-OH-cinnamate, implicating MCT1-mediated lactate efflux as required for pH homeostasis and survival in neuroblastoma. |
Intracellular pH measurement (fluorescent dye), pharmacological MCT inhibition (lonidamine, α-cyano-4-OH-cinnamate), exogenous lactate treatment, cell viability assay |
Molecular pharmacology |
Medium |
17000864
|
| 2024 |
In an orthotopic glioblastoma model, SLC16A1 silencing induced intracellular lactate accumulation, suppressed lactate-stimulated HCAR1/PI3K/AKT signaling, and promoted apoptosis both in vitro and in vivo, placing SLC16A1-mediated lactate export upstream of HCAR1/PI3K/AKT survival signaling. |
siRNA-mediated SLC16A1 knockdown, orthotopic rat GBM model, Western blot (PI3K/AKT pathway), apoptosis assay, histological analysis |
Journal of nanobiotechnology |
Low |
41840642
|
| 2025 |
Conditional knockout of Mct1 (Slc16a1) specifically in annulus fibrosus and endplate cells of mice caused significant intervertebral disc degeneration with nucleus pulposus cell loss and delayed endplate maturation; endplate cells metabolized lactate and showed lactate-promoted H3K18 lactylation, demonstrating that MCT1-dependent lactate transport from nucleus pulposus cells to endplate cells mediates metabolic coupling essential for disc growth. |
Conditional knockout mouse (Slc16a1 Col2CreERT2), histology, spatial transcriptomics, metabolic assays, lactylation immunodetection |
bioRxivpreprint |
Medium |
|
| 2024 |
MCT1/SLC16A1 mediates direct mitochondrial import of lactate in the myocardium independently of the mitochondrial pyruvate carrier (MPC); isolated mitochondria from hearts lacking MCT1 showed a specific defect in mitochondrial lactate (but not pyruvate) metabolism, and cardiac MCT1 deletion caused rapid progression to heart failure under stress, establishing MCT1 as essential for mitochondrial lactate oxidation and cardiac energetics. |
13C stable isotope tracing, MPC genetic deletion, MCT1 cardiac-specific knockout, mitochondrial isolation and functional assays, cardiac function monitoring |
bioRxivpreprint |
Medium |
|