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2篇 您的检索式:作者名="F.Angelini"
    题名 作者 年代 出处 被引量
1Association between PTPN22 C1858T and type 1 diabetes: a replication in continental Italy显示文摘P.Saccucci E.Del Duca N.Rapini A.Verrotti S.Piccinini A.Maccari G.Canu F.Angelini L.Fontana C.Giannini F.Chiarelli M. L.Manca Bitti N.Bottini 2008Tissue Antigens2008,,3:1
2CD44v8-10 is a marker for malignant traits and a potential driver of bone metastasis in a subpopulation of prostate cancer cells显示文摘Objective:Bone metastasis is a clinically important outcome of prostate carcinoma(PC).We focused on the phenotypic and functional characterization of a particularly aggressive phenotype within the androgen-independent bone metastasis-derived PC3 cell line.These cells,originated from the spontaneous conversion of a CD44-negative subpopulation,stably express the CD44 v8-10 isoform(CD44 v8-10 pos)and display stem cell-like features and a marked invasive phenotype in vitro that is lost upon CD44 v8-10 silencing.Methods:Flow cytometry,enzyme-linked immunoassay,immunofluorescence,and Western blot were used for phenotypic and immunologic characterization.Real-time quantitative polymerase chain reaction and functional assays were used to assess osteomimicry.Results:Analysis of epithelial–mesenchymal transition markers showed that CD44 v8-10 pos PC3 cells surprisingly display epithelial phenotype and can undergo osteomimicry,acquiring bone cell phenotypic and behavioral traits.Use of specific si RNA evidenced the ability of CD44 v8-10 variant to confer osteomimetic features,hence the potential to form bone-specific metastasis.Moreover,the ability of tumors to activate immunosuppressive mechanisms which counteract effective immune responses is a sign of the aggressiveness of a tumor.Here we report that CD44 v8-10 pos cells express programmed death ligand 1,a negative regulator of anticancer immunity,and secrete exceptionally high amounts of interleukin-6,favoring osteoclastogenesis and immunosuppression in bone microenvironment.Notably,we identified a novel pathway activated by CD44 v8-10,involving tafazzin(TAZ)and likely the Wnt/TAZ axis,known to play a role in upregulating osteomimetic genes.Conclusions:CD44 v8-10 could represent a marker of a more aggressive bone metastatic PC population exerting a driver role in osteomimicry in bone.A novel link between TAZ and CD44 v8-10 is also shown.Rosaria A.Fontanella Silvia Sideri Chiara Di Stefano Angiolina Catizone Silvia Di Agostino Daniela F.Angelini Gisella Guerrera Luca Battistini Giulia Battafarano Andrea Del Fattore Antonio Francesco Campese Fabrizio Padula Paola De Cesaris Antonio Filippini Anna Riccioli 2021Cancer Biology & Medicine2021,18,3:0
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