CDC42 controls intestinal epithelial(IEC)stem cell(IESC)*** aberrant CDC42 initiates intestinal inflammation or neoplasia is *** utilized models of inflam-matory bowel diseases(IBD),colorectal cancer,aging,and IESC in...
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CDC42 controls intestinal epithelial(IEC)stem cell(IESC)*** aberrant CDC42 initiates intestinal inflammation or neoplasia is *** utilized models of inflam-matory bowel diseases(IBD),colorectal cancer,aging,and IESC injury to determine the loss of intestinal Cdc42 upon inflammation and *** specimens were collected to determine the levels of CDC42 in IBD or colorectal ***42 floxed mice were crossed with Villin-Cre,Villin-CreERT2 and/or Lgr5-eGFP-IRES-CreERT2,or Bmi1-CreERT2 mice to generate Cdc42 deficient ***,colitis,aging,and intestinal organoid were used to evaluate CDC42 upon mucosal inflammation,IESC/progenitor regenerative capacity,and IEC *** studies revealed that increased CDC42 in colorectal cancer correlated with lower survival;in contrast,lower levels of CDC42 were found in the inflamed IBD *** Cdc42 depletion significantly reduced Lgr5+IEsCs,increased progenitors'hyperplasia,and induced mucosal inflammation,which led to crypt *** Cdc42 depletion markedly enhanced irra-diation-or chemical-induced *** or inhibition of Cdc42 reduced colonic Lgr5+IESC *** conclusion,depletion of Cdc42 reduces the IESC regeneration and IEC repair,leading to prolonged mucosal *** monogenic loss of Cdc42 in-duces mucosal inflammation,which could result in intestinal neoplasia in the context of aging.
Background:Radioembolization(RE)is well established in the treatment of neuroendocrine liver *** surgery is rarely performed after RE,although liver resection is the gold standard in the treatment of localized neuroen...
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Background:Radioembolization(RE)is well established in the treatment of neuroendocrine liver *** surgery is rarely performed after RE,although liver resection is the gold standard in the treatment of localized neuroendocrine liver ***,aim of the present study was to evaluate the safety and feasibility of liver resection after RE in a homogenous ***:From a prospective surgical(n=494)and nuclear medical(n=138)database patients with NELM who underwent liver resection and/or RE were *** September 2011 and December 2017 eight patients could be identified who underwent liver resection after RE(mean therapeutic activity of 1,746 Mbq).Overall and progression free survival were evaluated as well as epidemiological and perioperative *** surgical specimens were analyzed for necrosis,fibrosis,inflammation,and ***:The mean hepatic tumor load of patients,who had liver surgery after RE,was 31.4%with a mean Ki-67 proliferation index of 5.9%.The majority of these patients(7/8)received whole liver RE prior to liver resection,which did not increase morbidity and mortality compared to a surgical *** for RE were oncological(6/8)or carcinoid syndrome associated reasons(2/8).Mean overall survival was 25.1 months after RE and subsequent *** necrosis in radioembolized lesions was 29.4%without evidence of fibrosis and inflammation in hepatic ***:This is the first study analyzing the multimodal therapeutic approach of liver resection following whole liver *** treatment algorithm is safe,does not lead to an increased morbidity and is associated with a favorable oncological ***,patient selection remains a key issue.
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