Proteomic Study of Pilocytic Astrocytoma Pediatric Brain Tumor Intracystic Fluid (Articolo in rivista)

Type
Label
  • Proteomic Study of Pilocytic Astrocytoma Pediatric Brain Tumor Intracystic Fluid (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/pr500806k | J (literal)
Alternative label
  • I. Inserra, F. Iavarone, C. Martelli, L. D'Angelo, D. Delfino, D.V. Rossetti, G. Tamburrini, L. Massimi, M. Caldarelli, C. Di Rocco, I. Messana, M. Castagnola, C. Desiderio (2014)
    Proteomic Study of Pilocytic Astrocytoma Pediatric Brain Tumor Intracystic Fluid
    in Journal of proteome research (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • I. Inserra, F. Iavarone, C. Martelli, L. D'Angelo, D. Delfino, D.V. Rossetti, G. Tamburrini, L. Massimi, M. Caldarelli, C. Di Rocco, I. Messana, M. Castagnola, C. Desiderio (literal)
Pagina inizio
  • 4594 (literal)
Pagina fine
  • 4606 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 13 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 11 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di Biochimica e Biochimica Clinica, Facoltà di Medicina, Università Cattolica del Sacro Cuore , Rome 00168, Italy (literal)
Titolo
  • Proteomic Study of Pilocytic Astrocytoma Pediatric Brain Tumor Intracystic Fluid (literal)
Abstract
  • Liquid chromatography in coupling with high-resolution ESI-LTQ-Orbitrap mass spectrometry was applied for a proteomic study of pediatric pilocytic astrocytoma brain tumor intracystic fluid by an integrated top-down/bottom-up platform. Both of the proteomic strategies resulted comple-mentary and support each other in contributing to a wide characterization of the protein and peptide content of the tumorfluid. Top-down approach allowed to identify several proteins and peptides involved in different biological activities together with the characterization of interesting proteoforms such as fibrinopeptide A and its truncated form,fibrinopeptide B, complement C3f fragments,?-thymosin peptides, ubiquitin,several apolipoproteins belonging to A and C families,apolipoprotein J and D, and cystatin C. Of particular interest resulted the identification of a N-terminal truncated cystatin C proteoform, likely involved in immune response mechanism modulations and the identification of oxidized and glycosylated apolipoproteins including disulfie bridge dimeric forms. The bottom-up approach confirmed some of the experimental datafindingstogether with adding the characterization of high-molecular-mass proteins in the samples. These data could contribute toelucidate the molecular mechanisms involved in onset and progression of the disease and cyst development. (literal)
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