2017
Environment Tunes Propagation of Cell-to-Cell Variation in the Human Macrophage Gene Network
Martins A, Narayanan M, Prüstel T, Fixsen B, Park K, Gottschalk R, Lu Y, Andrews-Pfannkoch C, Lau W, Wendelsdorf K, Tsang J. Environment Tunes Propagation of Cell-to-Cell Variation in the Human Macrophage Gene Network. Cell Systems 2017, 4: 379-392.e12. PMID: 28365150, PMCID: PMC8392141, DOI: 10.1016/j.cels.2017.03.002.Peer-Reviewed Original ResearchConceptsGene networksCellular adaptationCell variationSingle-cell transcriptomic studiesGene-gene correlationsUnderlying regulatory mechanismsDegree of phosphorylationPhenotypic diversityTranscriptomic studiesEnvironmental adaptationMultiple molecular parametersGene expressionRegulatory mechanismsCellular heterogeneityDistinct environmentsSingle cellsHuman macrophagesQuantitative tuningCell populationsNatural perturbationsGenesDifferent environmentsSuch variationCellsStochastic simulation analysis
2016
Robust Inference of Cell-to-Cell Expression Variations from Single- and K-Cell Profiling
Narayanan M, Martins A, Tsang J. Robust Inference of Cell-to-Cell Expression Variations from Single- and K-Cell Profiling. PLOS Computational Biology 2016, 12: e1005016. PMID: 27438699, PMCID: PMC4954693, DOI: 10.1371/journal.pcbi.1005016.Peer-Reviewed Original ResearchConceptsSingle-cell expression levelsExpression levelsNovel biological informationSingle cellsKey inflammatory genesExpression variationGene expressionCellular heterogeneityBiological informationRandom poolSingle populationHuman macrophagesBiological conditionsCell populationsGenesMultiplexed technologiesK cellsInflammatory genesCellsBiological varianceQuantifying differencesSensitive technologyContinuous variationRobust inferenceProfilingDistinct NF-κB and MAPK Activation Thresholds Uncouple Steady-State Microbe Sensing from Anti-pathogen Inflammatory Responses
Gottschalk R, Martins A, Angermann B, Dutta B, Ng C, Uderhardt S, Tsang J, Fraser I, Meier-Schellersheim M, Germain R. Distinct NF-κB and MAPK Activation Thresholds Uncouple Steady-State Microbe Sensing from Anti-pathogen Inflammatory Responses. Cell Systems 2016, 2: 378-390. PMID: 27237739, PMCID: PMC4919147, DOI: 10.1016/j.cels.2016.04.016.Peer-Reviewed Original ResearchConceptsNF-κBMAPK activationInflammatory mediator productionSet of genesInnate immune response systemNF-κB signalingInnate immune systemSwitch-like mannerMacrophage functional responsesImmune response systemInflammatory mediatorsTLR4 ligandMediator productionInflammatory responseMicrobial stimuliInnate responseImmune systemMAPK signalingMacrophage primingLigand sensitivityHuman macrophagesInverse correlationInvasive pathogensSingle receptorGenes