2022
Mast cell sarcoma: clinicopathologic and molecular analysis of 10 new cases and review of literature
Matsumoto NP, Yuan J, Wang J, Shen Q, Chen X, Kim Y, Zuppan CW, Chang CC, Cui W, Chen D, Shi M, Gisriel SD, Chen M, Xu ML, Pan Z. Mast cell sarcoma: clinicopathologic and molecular analysis of 10 new cases and review of literature. Modern Pathology 2022, 35: 865-874. PMID: 35105959, DOI: 10.1038/s41379-022-01014-w.Peer-Reviewed Original ResearchConceptsMast cell sarcomaConcurrent systemic mastocytosisMast cell activation symptomsGerm cell tumorsSerum tryptase levelsMast cell tryptaseMast cell growthImmunophenotypic overlapMedian followReactive eosinophilsReview of literatureMedian ageCell sarcomaRare entitySystemic mastocytosisTherapeutic regimensTryptase levelsCell tumorsCommon siteImmunohistochemical stainingKIT D816VVariable positivityRare formPatientsActivation symptoms
2021
Clinical, immunophenotypic and genomic findings of NK lymphoblastic leukemia: a study from the Bone Marrow Pathology Group
Weinberg OK, Chisholm KM, Ok CY, Fedoriw Y, Grzywacz B, Kurzer JH, Mason EF, Moser KA, Bhattacharya S, Xu M, Babu D, Foucar K, Tam W, Bagg A, Orazi A, George TI, Wang W, Wang SA, Arber DA, Hasserjian RP. Clinical, immunophenotypic and genomic findings of NK lymphoblastic leukemia: a study from the Bone Marrow Pathology Group. Modern Pathology 2021, 34: 1358-1366. PMID: 33526873, DOI: 10.1038/s41379-021-00739-4.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaAcute undifferentiated leukemiaWhite blood cellsLymphoblastic leukemiaAcute leukemiaBone Marrow Pathology GroupHigher white blood cellEvent-free survivalNatural killer cellsClinical outcome dataNative immune systemMore frequent expressionAUL patientsFree survivalAmbiguous lineageOverall survivalCytoplasmic CD3Leukemia groupClinical presentationHLA-DRKiller cellsPlatelet countProvisional entityCD10 expressionMyeloid leukemia
2020
Tumor response and endogenous immune reactivity after administration of HER2 CAR T cells in a child with metastatic rhabdomyosarcoma
Hegde M, Joseph SK, Pashankar F, DeRenzo C, Sanber K, Navai S, Byrd TT, Hicks J, Xu ML, Gerken C, Kalra M, Robertson C, Zhang H, Shree A, Mehta B, Dakhova O, Salsman VS, Grilley B, Gee A, Dotti G, Heslop HE, Brenner MK, Wels WS, Gottschalk S, Ahmed N. Tumor response and endogenous immune reactivity after administration of HER2 CAR T cells in a child with metastatic rhabdomyosarcoma. Nature Communications 2020, 11: 3549. PMID: 32669548, PMCID: PMC7363864, DOI: 10.1038/s41467-020-17175-8.Peer-Reviewed Original ResearchConceptsHER2-CAR T cellsCAR T cellsT-cell infusionCAR T-cell infusionT cellsMetastatic rhabdomyosarcomaOngoing phase I trialPhase I trialT cell receptorSecond remissionI trialSerum autoantibodiesImmune reactivityDetectable diseaseTumor responseBone marrowResponse consolidationInfusionRhabdomyosarcomaImmunodominant clonesLymphodepletionRemissionPathway proteinsDiseaseMonths
2019
Clinicopathologic characteristics and novel biomarkers of aggressive B-cell lymphomas in the nasopharynx
Chen PH, Yang Y, O'Malley DP, Xu ML. Clinicopathologic characteristics and novel biomarkers of aggressive B-cell lymphomas in the nasopharynx. Annals Of Diagnostic Pathology 2019, 41: 129-135. PMID: 31247533, DOI: 10.1016/j.anndiagpath.2019.06.007.Peer-Reviewed Original ResearchConceptsB-cell non-Hodgkin lymphomaEBV-negative casesAggressive B-NHLPD-L1Peptide receptor radionuclide therapyAggressive B-cell lymphomasEBV-positive DLBCLEBV-positive patientsDisease-free intervalPrimary clinical outcomeYear of diagnosisEBV-positive casesReceptor radionuclide therapyExpression of SSTR2Non-Hodgkin lymphomaExpression of CD30Five yearsAvailable outcome dataB-cell lymphomaEBV negativityInitial therapyClinicopathologic characteristicsBetter prognosisCase seriesClinical outcomes
2018
Patients with common variable immunodeficiency with autoimmune cytopenias exhibit hyperplastic yet inefficient germinal center responses
Romberg N, Le Coz C, Glauzy S, Schickel JN, Trofa M, Nolan BE, Paessler M, Xu M, Lambert MP, Lakhani SA, Khokha MK, Jyonouchi S, Heimall J, Takach P, Maglione PJ, Catanzaro J, Hsu FI, Sullivan KE, Cunningham-Rundles C, Meffre E. Patients with common variable immunodeficiency with autoimmune cytopenias exhibit hyperplastic yet inefficient germinal center responses. Journal Of Allergy And Clinical Immunology 2018, 143: 258-265. PMID: 29935219, PMCID: PMC6400323, DOI: 10.1016/j.jaci.2018.06.012.Peer-Reviewed Original ResearchConceptsCommon variable immunodeficiencyVariable immunodeficiencyB cellsCommensal bacteriaIsotype-switched memory B cellsRegulatory T cell frequencyFollicular helper T cellsGC responseIsotype-switched antibodiesT cell frequenciesSubset of patientsT cell compartmentHelper T cellsPeripheral blood samplesMemory B cellsGerminal center responseB cell clonesAutoimmune cytopeniasGC hyperplasiaSerum endotoxemiaExcisional lymphAntibody responseT cellsMucosal microbiotaSomatic hypermutation frequencies