Featured Publications
EGFR Ligands Differentially Stabilize Receptor Dimers to Specify Signaling Kinetics
Freed DM, Bessman NJ, Kiyatkin A, Salazar-Cavazos E, Byrne PO, Moore JO, Valley CC, Ferguson KM, Leahy DJ, Lidke DS, Lemmon MA. EGFR Ligands Differentially Stabilize Receptor Dimers to Specify Signaling Kinetics. Cell 2017, 171: 683-695.e18. PMID: 28988771, PMCID: PMC5650921, DOI: 10.1016/j.cell.2017.09.017.Peer-Reviewed Original ResearchConceptsReceptor tyrosine kinasesEpidermal growth factor receptorEGFR ligandsEGFR extracellular regionG protein-coupled receptorsDifferent EGFR ligandsCellular programsDifferent activating ligandsEGFR dimersCell signalingGrowth factor receptorExtracellular regionDimeric conformationEGFR dimerizationNew therapeutic opportunitiesReceptor dimersTyrosine kinaseBreast cancer cellsDimerization strengthActivating ligandsFactor receptorCancer cellsEpigenTherapeutic opportunitiesBiased agonism
2016
The Dark Side of Cell Signaling: Positive Roles for Negative Regulators
Lemmon MA, Freed DM, Schlessinger J, Kiyatkin A. The Dark Side of Cell Signaling: Positive Roles for Negative Regulators. Cell 2016, 164: 1172-1184. PMID: 26967284, PMCID: PMC4830124, DOI: 10.1016/j.cell.2016.02.047.Peer-Reviewed Original ResearchConceptsCell signalingNegative regulatorGTP/GDP cycleNew cellular statesKinase/phosphataseCell surface receptorsCellular statesSignal terminationSwitch-like transitionsSuch regulatorsReceptor internalizationGDP cycleReceptor signalingSignal activationKinetic proofreadingSignalingRegulatorOnly negative effectNegative signalsPositive roleImportant roleNegative effectsProofreadingPhosphataseInternalization
2012
Emergence of bimodal cell population responses from the interplay between analog single-cell signaling and protein expression noise
Birtwistle MR, Rauch J, Kiyatkin A, Aksamitiene E, Dobrzyński M, Hoek JB, Kolch W, Ogunnaike BA, Kholodenko BN. Emergence of bimodal cell population responses from the interplay between analog single-cell signaling and protein expression noise. BMC Systems Biology 2012, 6: 109. PMID: 22920937, PMCID: PMC3484110, DOI: 10.1186/1752-0509-6-109.Peer-Reviewed Original ResearchConceptsProtein expression noiseSingle-cell signalingExtracellular signal-regulated kinaseExpression noiseCell variabilityEpidermal growth factor stimulationProtein abundance variationCell fate decisionsPopulation responsesGrowth factor stimulationSingle cellsSignal-regulated kinaseCell population levelProtein expressionSingle-cell levelERK pathway activationFate decisionsPopulation levelFactor stimulationCell signalingCell population responseERK responseBiological outcomesPathway activationCell level