Multiplexed protein signal pathway mapping identifies patients with rectal cancer that responds to neoadjuvant treatment

Enzo Mammano, Francesca Galdi, Mariaelena Pierobon, Emanuela Tessari, Jianghong Deng, Salvatore Pucciarelli, Marco Agostini, Francesco De Marchi, Vincenzo Canzonieri, Antonino De Paoli, Claudio Belluco, Lance Liotta, Emanuel Petricoin, Pierluigi Pilati, Donato Nitti

Research output: Contribution to journalArticle

Abstract

Background: Currently there is no reliable technique for predicting clinical or pathologic complete tumor response after radiochemotherapy (RCT) in patients with rectal cancer. We applied reverse phase protein microarray (RPMA) technology to find a signal pathway that may predict the response to preoperative treatment. Patients and Methods: Fifteen rectal cancer samples were collected during preoperative RCT. Seven patients had a good response to preoperative therapy (Mandard grade I-II) and 8 patients had a poor response (Mandard grade III-V). Using laser capture microdissection (LCM) and RPMA analysis, we measured the phosphorylation level of nearly 80 end points and analyzed the signaling pathways. Results: We identified 4 signaling proteins whose phosphorylation levels were significantly different (P

Original languageEnglish
Pages (from-to)268-274
Number of pages7
JournalClinical Colorectal Cancer
Volume11
Issue number4
DOIs
Publication statusPublished - Dec 2012

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Neoadjuvant Therapy
Rectal Neoplasms
Signal Transduction
Protein Array Analysis
Chemoradiotherapy
Proteins
Phosphorylation
Laser Capture Microdissection
Technology
Therapeutics
Neoplasms

Keywords

  • Neoadjuvant treatment
  • Predictive marker
  • Protein kinase
  • Rectal cancer

ASJC Scopus subject areas

  • Oncology
  • Gastroenterology

Cite this

Multiplexed protein signal pathway mapping identifies patients with rectal cancer that responds to neoadjuvant treatment. / Mammano, Enzo; Galdi, Francesca; Pierobon, Mariaelena; Tessari, Emanuela; Deng, Jianghong; Pucciarelli, Salvatore; Agostini, Marco; De Marchi, Francesco; Canzonieri, Vincenzo; De Paoli, Antonino; Belluco, Claudio; Liotta, Lance; Petricoin, Emanuel; Pilati, Pierluigi; Nitti, Donato.

In: Clinical Colorectal Cancer, Vol. 11, No. 4, 12.2012, p. 268-274.

Research output: Contribution to journalArticle

Mammano, E, Galdi, F, Pierobon, M, Tessari, E, Deng, J, Pucciarelli, S, Agostini, M, De Marchi, F, Canzonieri, V, De Paoli, A, Belluco, C, Liotta, L, Petricoin, E, Pilati, P & Nitti, D 2012, 'Multiplexed protein signal pathway mapping identifies patients with rectal cancer that responds to neoadjuvant treatment', Clinical Colorectal Cancer, vol. 11, no. 4, pp. 268-274. https://doi.org/10.1016/j.clcc.2012.05.003
Mammano, Enzo ; Galdi, Francesca ; Pierobon, Mariaelena ; Tessari, Emanuela ; Deng, Jianghong ; Pucciarelli, Salvatore ; Agostini, Marco ; De Marchi, Francesco ; Canzonieri, Vincenzo ; De Paoli, Antonino ; Belluco, Claudio ; Liotta, Lance ; Petricoin, Emanuel ; Pilati, Pierluigi ; Nitti, Donato. / Multiplexed protein signal pathway mapping identifies patients with rectal cancer that responds to neoadjuvant treatment. In: Clinical Colorectal Cancer. 2012 ; Vol. 11, No. 4. pp. 268-274.
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