A multilayer perceptron neural network-based approach for the identification of responsiveness to interferon therapy in multiple sclerosis patients

  • Authors:
  • Giuseppe Calcagno;Antonino Staiano;Giuliana Fortunato;Vincenzo Brescia-Morra;Elena Salvatore;Rosario Liguori;Silvana Capone;Alessandro Filla;Giuseppe Longo;Lucia Sacchetti

  • Affiliations:
  • CEINGE Biotecnologie Avanzate, Napoli, Italy and Dipartimento di Scienze per la Salute, Universití degli Studi del Molise, Campobasso, Italy;Dipartimento di Scienze Applicate, Universití degli Studi di Napoli "Parthenope", Italy;CEINGE Biotecnologie Avanzate, Napoli, Italy and Dipartimento di Biochimica e Biotecnologie Mediche, Universití degli Studi di Napoli "Federico II", Italy;Dipartimento di Scienze Neurologiche, Universití degli Studi di Napoli "Federico II", Italy;Dipartimento di Scienze Neurologiche, Universití degli Studi di Napoli "Federico II", Italy;CEINGE Biotecnologie Avanzate, Napoli, Italy and Dipartimento di Biochimica e Biotecnologie Mediche, Universití degli Studi di Napoli "Federico II", Italy;CEINGE Biotecnologie Avanzate, Napoli, Italy and Dipartimento di Biochimica e Biotecnologie Mediche, Universití degli Studi di Napoli "Federico II", Italy;Dipartimento di Scienze Neurologiche, Universití degli Studi di Napoli "Federico II", Italy;Dipartimento di Scienze Fisiche, Universití degli Studi di Napoli "Federico II", Italy;CEINGE Biotecnologie Avanzate, Napoli, Italy and Dipartimento di Biochimica e Biotecnologie Mediche, Universití degli Studi di Napoli "Federico II", Italy

  • Venue:
  • Information Sciences: an International Journal
  • Year:
  • 2010

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Abstract

Multiple sclerosis is an idiopathic inflammatory disease characterized by multiple focal lesions in the white matter of the central nervous system. Multiple sclerosis patients are usually treated with interferon-@b, but disease activity decrease in only 30-40% of patients. In the attempt to differentiate between responders and non-responders, we screened the main genes involved in the interferon signaling pathway for 38 single nucleotide polymorphisms (SNPs) in a multiple sclerosis Caucasian population from South Italy. We then analyzed the data using a multilayer perceptron neural network-based approach, in which we evaluated the global weight of a set of SNPs localized in different genes and their association with response to interferon therapy through a feature selection procedure (a combination of automatic relevance determination and backward elimination). The neural approach appears to be a useful tool in identifying gene polymorphisms involved in the response of patients to interferon therapy: 2 out of 5 genes were identified as containing 4 out of 38 significant single nucleotide polymorphisms, with a global accuracy of 70% in predicting responder and non-responder patients.