2024
Digital spatial proteomic profiling reveals immune checkpoints as biomarkers in lymphoid aggregates and tumor microenvironment of desmoplastic melanoma
Su D, Schoenfeld D, Ibrahim W, Cabrejo R, Djureinovic D, Baumann R, Rimm D, Khan S, Halaban R, Kluger H, Olino K, Galan A, Clune J. Digital spatial proteomic profiling reveals immune checkpoints as biomarkers in lymphoid aggregates and tumor microenvironment of desmoplastic melanoma. Journal For ImmunoTherapy Of Cancer 2024, 12: e008646. PMID: 38519058, PMCID: PMC10961546, DOI: 10.1136/jitc-2023-008646.Peer-Reviewed Original ResearchConceptsCTLA-4 expression levelsCancer-associated fibroblastsAssociated with worse survivalExpression of immune checkpointsLAG-3 expressionDesmoplastic melanomaLymphoid aggregatesCTLA-4PD-1Immune checkpointsIntratumoral leukocytesLAG-3Tumor compartmentsWorse survivalCD20+B cellsIncreased expression of immune checkpointsProgrammed cell death protein 1Macrophage/monocyte markerSentinel lymph node positivityCell death protein 1Associated with poor prognosisLymph node positivityDense fibrous stromaPotential prognostic significanceCore of tumors
2021
Alpha-smooth muscle actin expression in the stroma predicts resistance to trastuzumab in patients with early-stage HER2-positive breast cancer
Vathiotis IA, Moutafi MK, Divakar P, Aung TN, Qing T, Fernandez A, Yaghoobi V, El-Abed S, Wang Y, Guillaume S, Nuciforo P, Huober J, Di Cosimo S, Kim SB, Harbeck N, Gomez H, Shafi S, Syrigos KN, Fountzilas G, Sotiriou C, Pusztai L, Warren S, Rimm DL. Alpha-smooth muscle actin expression in the stroma predicts resistance to trastuzumab in patients with early-stage HER2-positive breast cancer. Clinical Cancer Research 2021, 27: 6156-6163. PMID: 34465600, PMCID: PMC8595766, DOI: 10.1158/1078-0432.ccr-21-2103.Peer-Reviewed Original ResearchConceptsDisease-free survivalHER2-positive breast cancerShorter disease-free survivalBreast cancerQuantitative immunofluorescenceEarly-stage HER2-positive breast cancerAlpha-smooth muscle actin expressionAlpha-smooth muscle actinProgesterone receptor statusHigh α-SMA expressionDigital Spatial ProfilerΑ-SMA expressionPromising candidate biomarkerCompanion diagnostic testsMuscle actin expressionDigital spatial profilingCohort validationNeoadjuvant lapatinibAdjuvant trastuzumabReceptor statusClinical trialsUnivariate analysisEstrogen receptorMAIN OUTCOMEΑ-SMA
2019
Multiplex quantitative analysis of cancer-associated fibroblasts and immunotherapy outcome in metastatic melanoma
Wong PF, Wei W, Gupta S, Smithy JW, Zelterman D, Kluger HM, Rimm DL. Multiplex quantitative analysis of cancer-associated fibroblasts and immunotherapy outcome in metastatic melanoma. Journal For ImmunoTherapy Of Cancer 2019, 7: 194. PMID: 31337426, PMCID: PMC6651990, DOI: 10.1186/s40425-019-0675-0.Peer-Reviewed Original ResearchConceptsProgression-free survivalBest overall responseSmooth muscle actinOverall survivalCell countQuantitative immunofluorescenceImmune markersImmunotherapy outcomesMelanoma patientsSignificant progression-free survivalAnti-PD-1 therapyAbsence of immunotherapyPretreatment tumor specimensImmune checkpoint blockadeCell death 1Cancer-associated fibroblast (CAF) populationNegative prognostic biomarkerCancer-associated fibroblastsWhole tissue sectionsOverall responseOS associationCAF parametersCheckpoint blockadeImmune dysregulationDeath-1
2006
Direct Interaction of the C-Terminal Domain of α-Catenin and F-Actin is Necessary for Stabilized Cell-Cell Adhesion
Pappas DJ, Rimm DL. Direct Interaction of the C-Terminal Domain of α-Catenin and F-Actin is Necessary for Stabilized Cell-Cell Adhesion. Cell Communication & Adhesion 2006, 13: 151-170. PMID: 16798615, DOI: 10.1080/15419060600726142.Peer-Reviewed Original ResearchConceptsF-actinF-actin interactionCell-cell adhesionC-terminal domainCell-cell contactFilamentous actin cytoskeletonActin cosedimentationActin cytoskeletonAdherens junctionsΑ-cateninColon carcinoma cell lineBasic residuesFusion proteinSingle residueAdhesive phenotypeDrop aggregationC-terminalAdhesive stateCarcinoma cell linesCharge mutationsDirect interactionIndirect binding mechanismsEpithelial monolayersCell linesBinding mechanism
1998
A Mutation in α-Catenin Disrupts Adhesion in Clone A Cells Without Perturbing its Actin and β-Catenin Binding Activity
Roe S, Koslov E, Rimm D. A Mutation in α-Catenin Disrupts Adhesion in Clone A Cells Without Perturbing its Actin and β-Catenin Binding Activity. Cell Communication & Adhesion 1998, 5: 283-296. PMID: 9762469, DOI: 10.3109/15419069809040298.Peer-Reviewed Original ResearchMeSH KeywordsActinsAlpha CateninBeta CateninCadherinsCell AdhesionCloning, MolecularColonic NeoplasmsCytoskeletal ProteinsCytoskeletonDesmoplakinsExonsGamma CateninHeLa CellsHumansIntercellular JunctionsMutationOctoxynolPrecipitin TestsProtein BindingRecombinant Fusion ProteinsReverse Transcriptase Polymerase Chain ReactionRNA, MessengerSequence Analysis, DNASolubilityTrans-ActivatorsTransfectionTumor Cells, CulturedConceptsN-terminusE-cadherin-catenin complexBundles F-actinCo-sedimentation assaysCell-cell adhesionFull-length proteinClone A cellsCo-precipitation experimentsInternal deletion mutationsWhole cell lysatesAdhesive complexesMutant proteinsA mutantsMutant bindsHuman colon carcinoma cell lineColon carcinoma cell lineMutant formsLength proteinWild typeCytoplasmic connectionsF-actinAdhesive phenotypeDeletion mutationsCell lysatesCarcinoma cell lines
1995
Alpha 1(E)-catenin is an actin-binding and -bundling protein mediating the attachment of F-actin to the membrane adhesion complex.
Rimm DL, Koslov ER, Kebriaei P, Cianci CD, Morrow JS. Alpha 1(E)-catenin is an actin-binding and -bundling protein mediating the attachment of F-actin to the membrane adhesion complex. Proceedings Of The National Academy Of Sciences Of The United States Of America 1995, 92: 8813-8817. PMID: 7568023, PMCID: PMC41057, DOI: 10.1073/pnas.92.19.8813.Peer-Reviewed Original ResearchConceptsF-actinBundling proteinE-cadherin-mediated cell-cell contactsHomotypic cell-cell adhesionBundles F-actinEpithelial cell polarityCortical actin cytoskeletonCell-cell adhesionActin-binding proteinsFull-length proteinE-cadherinCell-cell contactMembrane adhesion complexesBundles actinCell polarityHierarchy of interactionsActin cytoskeletonAdhesion complexesCytoplasmic domainCosedimentation assaysSedimentation assaysAdditional proteinsMolecular basisActin filamentsActin complex
1989
Purification and characterization of an Acanthamoeba nuclear actin-binding protein.
Rimm DL, Pollard TD. Purification and characterization of an Acanthamoeba nuclear actin-binding protein. Journal Of Cell Biology 1989, 109: 585-591. PMID: 2760108, PMCID: PMC2115709, DOI: 10.1083/jcb.109.2.585.Peer-Reviewed Original ResearchConceptsActin-binding proteinsMyosin ITwo-dimensional peptide mapsAcanthamoeba myosin ICell fractionationATP-insensitive mannerCross-reactive proteinNuclear localizationAffinity-purified antibodiesAbsence of actinMyosin I.Actin filamentsProteinPeptide mapsMonoclonal antibodiesATPase activityPolyclonal antiserumProteolytic productsStokes radiusPolyclonal antibodiesCross-reactive monoclonal antibodiesColumn chromatographyPolypeptideActinDNA