Drug Transport and Resistance Mechanisms

This study shows that Rhodamine6G binding to BmrA narrows its conformational spectrum, enhancing ATP-dependent transport efficiency.

This study shows gut microbiota affects drug absorption and metabolism by altering gene expression and intestinal permeability in mice.

This study shows that efflux pump specificity is influenced by proton gradient and membrane potential, offering new strategies to combat bacterial resistance.

This study develops a proximal tubule-on-chip model to investigate dynamic drug transporter expression and function, showing flow exposure modulates mRNA expression and enhances cell polarization.

This study presents cryo-EM structures of human ABCB1 in different states, revealing structural asymmetry and TM4's role in substrate recognition and transport.

This study determines the cryo-EM structures of MRP2 in three conformational states, revealing its transport mechanism and substrate recognition.

This study uses computational methods to investigate how nucleotide asymmetry and linker dynamics influence the drug efflux mechanism of P-glycoprotein.

This study uses molecular dynamics simulations to investigate ABCB4 transport mechanisms, revealing membrane-dependent dynamics and dual translocation pathways for phosphatidylcholine.

This paper develops a quantitative platform to assess P-glycoprotein (Pgp) substrate specificity in cancer cells using integrated experimental and computational methods, validating results across ~150 FDA-approved oncology drugs.

This study presents high-resolution structures of C. albicans Cdr1 in multiple states and uses simulations and evolutionary analysis to elucidate its transport mechanism and drug resistance.

This study elucidates the transport mechanism of DgoT, a bacterial homolog of SLC17 transporters, revealing key proton and substrate interactions that drive conformational changes and transport.

This study shows that CIGB-300 reverses multidrug resistance in ABCB1-overexpressing lung cancer cells by inhibiting ABCB1 expression and related signaling pathways.

This paper structurally and biochemically characterizes a glutamate-specific TRAP transporter from V. cholerae, revealing its substrate selectivity and membrane interaction mechanisms.

The paper investigates the role of Orai3 channels and ABC transporters in chemoresistance to pemetrexed and cisplatin in lung cancer, finding that Orai3 is not involved in pemetrexed resistance but may influence cisplatin resistance.

The paper assesses the functional relevance of a Plasmodium MFS protein as a drug transporter using Candida glabrata, showing antifungal resistance and antimalarial properties.

The paper determines the cryo-EM structure of the tetra-phosphorylated R-domain in Ycf1, revealing key interactions that regulate transport.

This study maps the atomic-level free energy landscape of Na+-coupled melibiose transport in MelBSt, revealing cooperative binding mechanisms and allosteric coupling between substrates.

This study uses molecular dynamics simulations to show how lipid environment and ATP affect the conformational dynamics and substrate cavity accessibility of P-gp conformers.

This study identifies SLC35G1 as a chloride-sensitive transporter responsible for basolateral citrate absorption in the intestine.

This study presents structural analysis of the Ami transporter system in Streptococcus pneumoniae, revealing insights into oligopeptide recognition and transport mechanisms.

This study identifies the distinct roles of key residues in the cation-binding pocket of MelBSt through structural analysis, free energy simulations, and biochemical experiments.

The paper investigates how lipid environments affect the conformational dynamics of the bacterial ABC transporter Sav1866 using molecular dynamics simulations.

This study uses molecular dynamics simulations to elucidate the conformational mechanism and proton-substrate coupling in mammalian POTs, revealing key structural differences and functional insights.

The paper identifies microbial bile salt conjugates that activate TGR5 and FXR receptors in human systems and quantifies their presence in blood and bile.

This study determines the structure and dynamics of a Na+-coupled sugar transporter, revealing how mobile barriers regulate substrate binding and release.

The paper identifies peripheral mutations that enable promiscuous transport of quaternary ammonium antiseptics by SMR transporters, revealing that substrate preference changes through mutations outside the binding pocket.

This study identifies differentially expressed and phosphorylated proteins in PFIC3 liver samples and a murine model, revealing key cellular processes involved in disease progression.

This study investigates how cocaine affects the transport and metabolism of antiretroviral drugs across the blood-brain barrier by modulating drug transporters and enzymes.

This study uses computational methods to analyze the effects of MDR1 variants on gene expression and patient prognosis, finding that T1236C increases MDR1 levels and correlates with worse prognosis.

The paper quantifies ileal bile acid pools in mice and shows that Asbt-mediated transport dominates their size and composition, with loss of Asbt reducing pool size and altering transcriptional responses.