Expression of activation-induced cytidine deaminase is regulated by cell division, providing a mechanistic basis for division-linked class switch recombination
Rush JS, Liu M, Odegard VH, Unniraman S, Schatz DG. Expression of activation-induced cytidine deaminase is regulated by cell division, providing a mechanistic basis for division-linked class switch recombination. Proceedings Of The National Academy Of Sciences Of The United States Of America 2005, 102: 13242-13247. PMID: 16141332, PMCID: PMC1201576, DOI: 10.1073/pnas.0502779102.Peer-Reviewed Original ResearchConceptsClass switch recombinationCell divisionAID expressionSwitch recombinationFrequency of CSRSingle cell divisionSubsequent cell divisionSuccessive cell divisionsActivation-induced cytidine deaminaseConstitutive AID expressionIg heavy chain constant regionsEffector function propertiesHeavy chain constant regionActivation-induced cytidine deaminase mRNAMolecular explanationMechanistic basisDifferent molecular featuresSuccessive divisionsChain constant regionCytidine deaminaseB cell activationCytokine exposureExpressionConstant regionCell activationCytokines differentially regulate the synthesis of prostanoid and nitric oxide mediators in tumorigenic versus non-tumorigenic mouse lung epithelial cell lines
Dwyer-Nield L, Srebernak M, Barrett B, Ahn J, Cosper P, Meyer A, Kisley L, Bauer A, Thompson D, Malkinson A. Cytokines differentially regulate the synthesis of prostanoid and nitric oxide mediators in tumorigenic versus non-tumorigenic mouse lung epithelial cell lines. Carcinogenesis 2005, 26: 1196-1206. PMID: 15746162, DOI: 10.1093/carcin/bgi061.Peer-Reviewed Original ResearchConceptsMouse lung epithelial cell lineLung epithelial cell lineInducible NO synthaseBiosynthetic enzymesEpithelial cell lineCell linesProstaglandin E2Lung tumor-derived cell linesTumor-derived cell linesNon-tumorigenic linesNitric oxidePG biosynthetic enzymesCytokine exposureInhibition of iNOSNormal lung cellsCyclooxygenase-2 activityPhysiological relevanceLung tumor formationLung tumor growthMouse lung tumorsSpontaneous transformantsTumor formationCritical mediatorControl lungsEpithelial cells
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