2011
Eradication of chemotherapy‐resistant CD44+ human ovarian cancer stem cells in mice by intraperitoneal administration of clostridium perfringens enterotoxin
Casagrande F, Cocco E, Bellone S, Richter CE, Bellone M, Todeschini P, Siegel E, Varughese J, Arin‐Silasi D, Azodi M, Rutherford TJ, Pecorelli S, Schwartz PE, Santin AD. Eradication of chemotherapy‐resistant CD44+ human ovarian cancer stem cells in mice by intraperitoneal administration of clostridium perfringens enterotoxin. Cancer 2011, 117: 5519-5528. PMID: 21692061, PMCID: PMC3701957, DOI: 10.1002/cncr.26215.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAnimalsCarcinoma, Ovarian EpithelialCell Line, TumorChlorocebus aethiopsClaudin-3ClaudinsClostridium perfringensEnterotoxinsFemaleFlow CytometryHumansHyaluronan ReceptorsInjections, IntraperitonealMiceMice, SCIDMiddle AgedNeoplasms, Glandular and EpithelialNeoplastic Stem CellsOvarian NeoplasmsReal-Time Polymerase Chain ReactionVero CellsXenograft Model Antitumor AssaysConceptsOvarian cancer stem cellsCancer stem cellsClostridium perfringens enterotoxinCPE-induced cytotoxicityIntraperitoneal administrationStem cellsC.B-17/SCID miceChemotherapy-resistant cancer stem cellsHuman ovarian cancer stem cellsPerfringens enterotoxinClaudin-4 genesStem cell linesLong-term survivalOvarian cancer cellsReal-time polymerase chain reactionTight junction proteinsHigh-affinity receptorMultiple intraperitoneal administrationCancer stem cell linesPolymerase chain reactionSmall-interfering RNACell xenograftsSCID miceSignificant inhibitory effectChemotherapy resistance
2010
Clostridium perfringens enterotoxin carboxy-terminal fragment is a novel tumor-homing peptide for human ovarian cancer
Cocco E, Casagrande F, Bellone S, Richter CE, Bellone M, Todeschini P, Holmberg JC, Fu HH, Montagna MK, Mor G, Schwartz PE, Arin-Silasi D, Azoudi M, Rutherford TJ, Abu-Khalaf M, Pecorelli S, Santin AD. Clostridium perfringens enterotoxin carboxy-terminal fragment is a novel tumor-homing peptide for human ovarian cancer. BMC Cancer 2010, 10: 349. PMID: 20598131, PMCID: PMC2908101, DOI: 10.1186/1471-2407-10-349.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAdenocarcinoma, Clear CellAnimalsCarcinoma, PapillaryCarcinoma, Squamous CellChlorocebus aethiopsClaudin-3Claudin-4Clostridium perfringensCystadenocarcinoma, SerousDrug Resistance, NeoplasmEnterotoxinsFemaleFibroblastsFlow CytometryHumansMembrane ProteinsMiceMice, SCIDOvarian NeoplasmsPeptide FragmentsReverse Transcriptase Polymerase Chain ReactionRNA, MessengerSpheroids, CellularTissue DistributionTransplantation, HeterologousTumor Cells, CulturedUterine Cervical NeoplasmsVero CellsConceptsChemotherapy-resistant ovarian cancerClostridium perfringens enterotoxinOvarian cancerOvarian carcinoma cell linesClaudin-3Carcinoma cell linesNovel tumor-homing peptideCarboxy-terminal fragmentTumor cellsResistant ovarian cancer cell linesCell linesNew diagnostic tracersCPE peptideOvarian cancer cell linesResistant ovarian cancer cellsResistant ovarian carcinomaHuman ovarian cancerRelevant animal modelsOvarian tumor cellsOvarian cancer cellsChemotherapy-resistant ovarian cancer cellsHuman epithelial tumorsTime-dependent internalizationCancer cell linesBio-distribution studies
2007
Overexpression of Clostridium perfringens Enterotoxin Receptors Claudin-3 and Claudin-4 in Uterine Carcinosarcomas
Santin AD, Bellone S, Siegel ER, McKenney JK, Thomas M, Roman JJ, Burnett A, Tognon G, Bandiera E, Pecorelli S. Overexpression of Clostridium perfringens Enterotoxin Receptors Claudin-3 and Claudin-4 in Uterine Carcinosarcomas. Clinical Cancer Research 2007, 13: 3339-3346. PMID: 17545541, DOI: 10.1158/1078-0432.ccr-06-3037.Peer-Reviewed Original ResearchConceptsCarcinosarcoma cell lineClaudin-3Claudin-4Uterine carcinosarcomaClaudin-4 protein expressionCell linesClaudin-4 receptorsCytotoxic Clostridium perfringensNormal endometrial cellsTumor cell necrosisType-specific therapiesImmunodeficient mouse xenograftsAggressive uterine tumorsHigh-affinity receptorQuantitative reverse transcription PCREndometrial cancerAggressive variantUterine tumorsTumor disappearancePrimary tumorReverse transcription-PCREndometrial cellsNovel therapiesReceptor expressionTherapeutic effectOverexpression of claudin‐3 and claudin‐4 receptors in uterine serous papillary carcinoma
Santin AD, Bellone S, Marizzoni M, Palmieri M, Siegel ER, McKenney JK, Hennings L, Comper F, Bandiera E, Pecorelli S. Overexpression of claudin‐3 and claudin‐4 receptors in uterine serous papillary carcinoma. Cancer 2007, 109: 1312-1322. PMID: 17326053, DOI: 10.1002/cncr.22536.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAnimalsClaudin-3Claudin-4Clostridium perfringensCystadenocarcinoma, PapillaryCystadenocarcinoma, SerousDrug Resistance, NeoplasmEnterotoxinsFemaleGene ExpressionHumansInjections, IntraperitonealMembrane ProteinsMiceMice, SCIDMiddle AgedReverse Transcriptase Polymerase Chain ReactionRNA, MessengerTumor Cells, CulturedUp-RegulationUterine Cervical NeoplasmsXenograft Model Antitumor AssaysConceptsUterine serous papillary carcinomaClaudin-4 receptorsUSPC cell linesSerous papillary carcinomaClaudin-3Endometrial cancerPapillary carcinomaClaudin-4 protein expressionChemotherapy-resistant variantsCytotoxic Clostridium perfringensSublethal intraperitoneal injectionsReverse transcriptase-polymerase chain reactionQuantitative reverse transcriptase-polymerase chain reactionTumor cell necrosisSCID mouse xenograftsType-specific therapiesDose-dependent cytotoxic effectCell linesTight junction proteinsControl tissue samplesHigh-affinity receptorAggressive variantTumor disappearanceIntraperitoneal injectionPolymerase chain reaction