Microsatellite instability: diagnosis, heterogeneity, discordance, and clinical impact in colorectal cancer

C Evrard, G Tachon, V Randrian, L Karayan-Tapon… - Cancers, 2019 - mdpi.com
Tumor DNA mismatch repair (MMR) deficiency testing is important to the identification of
Lynch syndrome and decision making regarding adjuvant chemotherapy in stage II …

[HTML][HTML] The SLC9A-C mammalian Na+/H+ exchanger family: molecules, mechanisms, and physiology

SF Pedersen, L Counillon - Physiological reviews, 2019 - journals.physiology.org
Na+/H+ exchangers play pivotal roles in the control of cell and tissue pH by mediating the
electroneutral exchange of Na+ and H+ across cellular membranes. They belong to an …

Structure and mechanism of the human NHE1-CHP1 complex

Y Dong, Y Gao, A Ilie, DS Kim, A Boucher, B Li… - Nature …, 2021 - nature.com
Abstract Sodium/proton exchanger 1 (NHE1) is an electroneutral secondary active
transporter present on the plasma membrane of most mammalian cells and plays critical …

Intracellular MLCK1 diversion reverses barrier loss to restore mucosal homeostasis

WV Graham, W He, AM Marchiando, J Zha, G Singh… - Nature medicine, 2019 - nature.com
Epithelial barrier loss is a driver of intestinal and systemic diseases. Myosin light chain
kinase (MLCK) is a key effector of barrier dysfunction and a potential therapeutic target, but …

An overview of cell-based assay platforms for the solute carrier family of transporters

V Dvorak, T Wiedmer, A Ingles-Prieto… - Frontiers in …, 2021 - frontiersin.org
The solute carrier (SLC) superfamily represents the biggest family of transporters with
important roles in health and disease. Despite being attractive and druggable targets, the …

Phenotypic screen of sixty-eight colorectal cancer cell lines identifies CEACAM6 and CEACAM5 as markers of acid resistance

J Michl, B White, S Monterisi… - Proceedings of the …, 2024 - National Acad Sciences
Elevated cancer metabolism releases lactic acid and CO2 into the under-perfused tumor
microenvironment, resulting in extracellular acidosis. The surviving cancer cells must adapt …

The evolution and mechanism of GPCR proton sensing

JB Rowe, NJ Kapolka, GJ Taghon, WM Morgan… - Journal of Biological …, 2021 - ASBMB
Of the 800 G protein–coupled receptors (GPCRs) in humans, only three (GPR4, GPR65, and
GPR68) regulate signaling in acidified microenvironments by sensing protons (H+). How …

Cancer-associated arginine-to-histidine mutations confer a gain in pH sensing to mutant proteins

KA White, DG Ruiz, ZA Szpiech, NB Strauli… - Science …, 2017 - science.org
The intracellular pH (pHi) of most cancers is constitutively higher than that of normal cells
and enhances proliferation and cell survival. We found that increased pHi enabled the …

TCR signaling promotes formation of an STS1-Cbl-b complex with pH-sensitive phosphatase activity that suppresses T cell function in acidic environments

YL Tsai, M Arias-Badia, TA Kadlecek, YM Lwin… - Immunity, 2023 - cell.com
T cell responses are inhibited by acidic environments. T cell receptor (TCR)-induced protein
phosphorylation is negatively regulated by dephosphorylation and/or ubiquitination, but the …

Spatiotemporal pH heterogeneity as a promoter of cancer progression and therapeutic resistance

DE Korenchan, RR Flavell - Cancers, 2019 - mdpi.com
Dysregulation of pH in solid tumors is a hallmark of cancer. In recent years, the role of
altered pH heterogeneity in space, between benign and aggressive tissues, between …