Common genomic signaling among initial DNA damage and radiation-induced apoptosis in peripheral blood lymphocytes from locally advanced breast cancer patients

Luis Alberto Henríquez-Hernández, Beatriz Pinar, Ruth Carmona-Vigo, Elisa Bordón, Carlos Rodríguez-Gallego, Amilcar Flores Morales, Pedro C Lara

7 Citations (Scopus)

Abstract

PURPOSE: To investigate the genomic signaling that defines sensitive lymphocytes to radiation and if such molecular profiles are consistent with clinical toxicity; trying to disclose the radiobiology mechanisms behind these cellular processes. PATIENTS AND METHODS: Twelve consecutive patients suffering from locally advanced breast cancer and treated with high-dose hyperfractionated radiotherapy were recruited. Initial DNA damage was measured by pulsed-field gel electrophoresis and radiation-induced apoptosis was measured by flow cytometry. Gene expression was assessed by DNA microarray. RESULTS: Thirty-four constitutive genes segregated patients with lower DNA-double strand break from those patients with higher DNA-double strand break (p 
Original languageEnglish
JournalBreast (Edinburgh, Scotland)
Volume22
Issue number1
Pages (from-to)28-33
Number of pages6
DOIs
Publication statusPublished - Feb 2013

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