Featured Publications
Tissue-specific modifier alleles determine Mertk loss-of-function traits
Akalu YT, Mercau ME, Ansems M, Hughes LD, Nevin J, Alberto EJ, Liu XN, He LZ, Alvarado D, Keler T, Kong Y, Philbrick WM, Bosenberg M, Finnemann SC, Iavarone A, Lasorella A, Rothlin CV, Ghosh S. Tissue-specific modifier alleles determine Mertk loss-of-function traits. ELife 2022, 11: e80530. PMID: 35969037, PMCID: PMC9433089, DOI: 10.7554/elife.80530.Peer-Reviewed Original ResearchConceptsAnti-tumor immunityKO miceRetinal pigment epitheliumRetinal degenerationPigment epitheliumPro-inflammatory tumor microenvironmentSyngeneic mouse tumor modelsKO mice displayEarly-onset retinal degenerationSevere retinal degenerationMouse tumor modelsFailure of macrophagesKnockout mouse modelPhotoreceptor outer segmentsMouse modelMice displayTumor modelTumor microenvironmentMacrophage phagocytosisReceptor tyrosine kinasesMiceCritical roleDegenerationMerTKImmunityInflammation of the retinal pigment epithelium drives early-onset photoreceptor degeneration in Mertk-associated retinitis pigmentosa
Mercau M, Akalu Y, Mazzoni F, Gyimesi G, Alberto E, Kong Y, Hafler B, Finnemann S, Rothlin C, Ghosh S. Inflammation of the retinal pigment epithelium drives early-onset photoreceptor degeneration in Mertk-associated retinitis pigmentosa. Science Advances 2023, 9: eade9459. PMID: 36662852, PMCID: PMC9858494, DOI: 10.1126/sciadv.ade9459.Peer-Reviewed Original ResearchConceptsRetinal pigment epitheliumEarly-onset photoreceptor degenerationPR degenerationPigment epitheliumPhotoreceptor degenerationMERTK-associated retinitis pigmentosaJAK1/2 inhibitor ruxolitinibMicroglia activationMonocyte infiltrationInhibitor ruxolitinibMouse modelInflammationLoss of functionDefective phagocytosisInflammation drivesRetinitis pigmentosaDegenerationHypomorphic expressionMiceEpitheliumPhagocytosisRuxolitinibPigmentosaSeverity
2024
In the Eyes of the Beholder—New Mertk Knockout Mouse and Re-Evaluation of Phagocytosis versus Anti-Inflammatory Functions of MERTK
Ghosh S, Finnemann S, Vollrath D, Rothlin C. In the Eyes of the Beholder—New Mertk Knockout Mouse and Re-Evaluation of Phagocytosis versus Anti-Inflammatory Functions of MERTK. International Journal Of Molecular Sciences 2024, 25: 5299. PMID: 38791338, PMCID: PMC11121519, DOI: 10.3390/ijms25105299.Peer-Reviewed Original ResearchReceptor tyrosine kinasesFamily of receptor tyrosine kinasesTAM family of receptor tyrosine kinasesEarly-onset photoreceptor degenerationKnockout mouse modelMolecular functionsNegative regulator of inflammationKnockout phenotypesNegative regulatorMouse geneticsRegulation of inflammationMolecular approachesEmbryonic stem cellsAnti-inflammatory functionsRetinal degenerationTyrosine kinasePhotoreceptor degenerationKnockout miceKnockout modelsMouse modelRodent modelsTAM familyMerTK functionStem cellsAlleles
2023
Age-dependent differences in efferocytosis determine the outcome of opsonophagocytic protection from invasive pathogens
Bee G, Lokken-Toyli K, Yeung S, Rodriguez L, Zangari T, Anderson E, Ghosh S, Rothlin C, Brodin P, Khanna K, Weiser J. Age-dependent differences in efferocytosis determine the outcome of opsonophagocytic protection from invasive pathogens. Immunity 2023, 56: 1255-1268.e5. PMID: 37059107, PMCID: PMC10330046, DOI: 10.1016/j.immuni.2023.03.018.Peer-Reviewed Original ResearchConceptsAge-dependent differencesNeonatal neutrophilsEarly lifeModulation of CD11bCD11b surface expressionAge-dependent susceptibilitySpn infectionPeripheral bloodMore CD11bMouse modelInfection outcomesStreptococcus pneumoniaeNeutrophilsCD11bEfferocytosisSystemic expressionSurface expressionNeonatesOpsonophagocytosisInvasive pathogensOutcomesPopulation levelCD169PathogensExpression