2022
Dysregulated stem cell niches and altered lymphocyte recirculation cause B and T cell lymphopenia in WHIM syndrome
Zehentmeier S, Lim VY, Ma Y, Fossati J, Ito T, Jiang Y, Tumanov AV, Lee HJ, Dillinger L, Kim J, Csomos K, Walter JE, Choi J, Pereira JP. Dysregulated stem cell niches and altered lymphocyte recirculation cause B and T cell lymphopenia in WHIM syndrome. Science Immunology 2022, 7: eabo3170. PMID: 36149943, PMCID: PMC9614684, DOI: 10.1126/sciimmunol.abo3170.Peer-Reviewed Original ResearchConceptsSecondary lymphoid organsWHIM syndromeMesenchymal stem cellsInterleukin-7B lymphopeniaBone marrowBM mesenchymal stem cellsT cell numbersIL-7 productionT-cell lymphopeniaLymphotoxin beta receptorEarly progenitor stageLymphoid organsCell lymphopeniaMouse modelBeta receptorsB cellsB cell developmentLymphopeniaStromal cellsLeukocyte retentionSyndromeGOF mutationsLymphopoietic activityCritical pathways
2020
Regulatory T-cell Depletion Alters the Tumor Microenvironment and Accelerates Pancreatic Carcinogenesis
Zhang Y, Lazarus J, Steele NG, Yan W, Lee HJ, Nwosu ZC, Halbrook CJ, Menjivar RE, Kemp SB, Sirihorachai VR, Velez-Delgado A, Donahue K, Carpenter ES, Brown KL, Irizarry-Negron V, Nevison AC, Vinta A, Anderson MA, Crawford HC, Lyssiotis CA, Frankel TL, Bednar F, di Magliano M. Regulatory T-cell Depletion Alters the Tumor Microenvironment and Accelerates Pancreatic Carcinogenesis. Cancer Discovery 2020, 10: 422-439. PMID: 31911451, PMCID: PMC7224338, DOI: 10.1158/2159-8290.cd-19-0958.Peer-Reviewed Original ResearchConceptsPancreatic cancerTreg depletionPancreatic carcinogenesisRegulatory T cellsT cell responsesMyeloid cell recruitmentMouse pancreatic cancerNew therapeutic approachesSmooth muscle actinPromotion of carcinogenesisImmune suppressionImmunosuppressive microenvironmentReceptors CCR1T cellsTherapeutic approachesCell recruitmentMouse modelMyeloid cellsMuscle actinRelated commentaryTumor progressionTregsTumor microenvironmentCancerFibroblast subsets