Search results for "Perforin Deficiency"

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Perforin deficiency attenuates inflammation and tumor growth in colitis-associated cancer

2010

Background: Patients with inflammatory bowel disease (IBD) have a markedly increased risk to develop colon cancer, but there are only limited data about the host antitumor response in such colitis-associated cancer. In the present study we aimed at assessing the role of perforin-dependent effector mechanisms in the immune response in a murine model of colitis-associated colon cancer. Methods: Wildtype and perforin-deficient mice were analyzed in a mouse model of colitis-associated colon cancer using azoxymethane (AOM) and dextran sodium sulfate (DSS). Results: Tumors of wildtype mice showed infiltration of CD4+, CD8+ T cells, natural killer (NK) cells, high numbers of apoptotic cells, and e…

CD4-Positive T-LymphocytesCytotoxicity ImmunologicPore Forming Cytotoxic ProteinsT-LymphocytesMedizinInflammationCD8-Positive T-LymphocytesBiologymedicine.disease_causeInflammatory bowel diseaseMiceImmune systemmedicineAnimalsImmunology and AllergyCytotoxic T cellIntestinal MucosaColitisReverse Transcriptase Polymerase Chain ReactionPerforin DeficiencyDextran SulfateGastroenterologyColitismedicine.diseaseSpecific Pathogen-Free OrganismsKiller Cells NaturalMice Inbred C57BLDisease Models AnimalPerforinChronic DiseaseColonic NeoplasmsImmunologybiology.proteinmedicine.symptomCarcinogenesisInflammatory Bowel Diseases
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