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Study of the parent-of-origin effect in monogenic diseases with variable age of onset. Application on ATTRv

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  • Flora Alarcon
  • Violaine Planté-Bordeneuve
  • Grégory Nuel

Abstract

In genetic diseases with variable age of onset, an accurate estimation of the survival function for the mutation carriers and also modifying factors effects estimations are important for the management of asymptomatic gene carriers across life. Among the modifying factors, the gender of the parent transmitting the mutation (i.e. the parent-of-origin effect) has been shown to have a significant effect on survival curve estimation on transthyretin familial amyloid polyneuropathy (ATTRv) families. However, as most genotypes are unknown, the parent-of-origin must be calculated through a probability estimated from the pedigree. We propose in this article to extend the method providing mutation carrier survival estimates in order to estimate the parent-of-origin effect. The method is both validated on simulated data and applied to familly samples with ATTRv.

Suggested Citation

  • Flora Alarcon & Violaine Planté-Bordeneuve & Grégory Nuel, 2023. "Study of the parent-of-origin effect in monogenic diseases with variable age of onset. Application on ATTRv," PLOS ONE, Public Library of Science, vol. 18(8), pages 1-10, August.
    • Handle: RePEc:plo:pone00:0288958
    DOI: 10.1371/journal.pone.0288958
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    1. Flora Alarcon & Violaine Planté-Bordeneuve & Malin Olsson & Grégory Nuel, 2018. "Non-parametric estimation of survival in age-dependent genetic disease and application to the transthyretin-related hereditary amyloidosis," PLOS ONE, Public Library of Science, vol. 13(9), pages 1-14, September.
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