EGFR mutation detection by microfluidic technology: a validation study. (Articolo in rivista)

Type
Label
  • EGFR mutation detection by microfluidic technology: a validation study. (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Alternative label
  • Malapelle U, Russo S, Pepe F, Sgariglia R, De Luca C, Bellevicine C, Pallante P, Troncone G. (2013)
    EGFR mutation detection by microfluidic technology: a validation study.
    in Journal of Clinical Pathology
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Malapelle U, Russo S, Pepe F, Sgariglia R, De Luca C, Bellevicine C, Pallante P, Troncone G. (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Sanità Pubblica, Università di Napoli Federico II, Napoli, Italia. (literal)
Titolo
  • EGFR mutation detection by microfluidic technology: a validation study. (literal)
Abstract
  • Advanced non-small cell lung cancer samples are tested for epidermal growth factor receptor (EGFR) gene mutations. Their detection by direct sequencing is time-consuming. Conversely, the length analysis of fluorescently labelled PCR products is easier. To avoid labelled primers and the automated capillary electrophoresis apparatus, we validated a fast and sensitive chip-based microfluidic technology. The limit of detection of fragment length assay on microfluidic device was 5%, more sensitive than direct sequencing (12.5%). The novel methodology showed high accuracy in the analysis of samples whose mutational status was known. The accuracy in quantifying mutated alleles (mA) was evaluated by PCR products subcloning; the mA% provided by direct sequencing of subcloned PCR products showed a close correlation with the mA% provided by the microfluidic technology for both exon 19 (R2=0.9) and 21 (R2=0.9). Microfluidic-based on-chip electrophoresis makes EGFR testing more rapid, sensitive and cost-effective. (literal)
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