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Apolipoprotein Alleles and the Response to Interferon-β-1b in Multiple Sclerosis.

Olga Carmona, Cristina Masuet, Pedro Alía, Ester Moral, Lucía Alonso-Magdalena, Virginia Casado, Gisela Martín-Ozaeta, and Txomin Arbizu

Eur Neurol 65(3):132-137 (2011) PMID 21325856

Background: Results for the e4/e2 alleles of the ApoE gene as markers of susceptibility, clinical and radiological progression, and cognitive deterioration in patients with multiple sclerosis (MS) are contradictory. Aim: The usefulness of these markers in predicting the response to interferon-β-1b (IFNβ-1b) was evaluated. Material and Methods: 95 patients with relapsing-remitting MS treated with IFNβ-1b (mean follow-up 7.44 years) were studied. We correlated the e4 and e2 alleles with the time to the first relapse or to a 1-point worsening on the Expanded Disability Status Scale, time to moderate disability, progression index, and treatment discontinuation due to inefficacy. Results: We found no association between the e4 allele and any of the variables. The e2 allele was associated with increased time to moderate disability. Conclusion: The e4 allele of ApoE has no prognostic value for the response to IFNβ-1b. The e2 allele delayed the progression of disability in our MS patient cohort. Copyright © 2011 S. Karger AG, Basel.

DOI: 10.1159/000323982
Version: za2963e q8za7 q8zbc q8zc8 q8zd0 q8ze5 q8zf4 q8zg8

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