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Cisneros-Barroso E, Gorram F, Ribot-Sansó MA, Alarcon F, Nuel G, González-Moreno J, Rodríguez A, Hernandez-Rodriguez J, Amengual-Cladera E, Martínez-López I, Ripoll-Vera T, Losada-López I, Heine-Suñer D, Plante-Bordeneuve V. Disease risk estimates in V30M variant transthyretin amyloidosis (A-ATTRv) from Mallorca. Orphanet J Rare Dis 2023; 18:255. [PMID: 37653545 PMCID: PMC10472571 DOI: 10.1186/s13023-023-02865-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 08/20/2023] [Indexed: 09/02/2023] Open
Abstract
BACKGROUND Variant transthyretin amyloidosis (A-ATTRv) is an autosomal dominant disease caused by a range of TTR gene variants which entail great phenotypical heterogeneity and penetrance. In Majorca, the A-ATTRv caused by the V30M gene variant (A-ATTRV30M) is the most common. Since asymptomatic carriers are at risk of developing the disease, estimating age of onset is vital for proper management and follow-up. Thus, the aim of this study was to estimate age-related penetrance in ATTRV30M variant carriers from Majorca. METHODS The disease risk among carriers from ATTRV30M families from Majorca was estimated by Non-parametric survival estimation. Factors potentially involved in the disease expression, namely gender and parent of origin were also analysed. RESULTS A total of 48 heterozygous ATTRV30M families (147 affected patients and 123 were asymptomatic carriers) were included in the analysis. Penetrance progressively increased from 6% at 30 years to 75% at 90 years of age. In contrast to other European populations, we observe a similar risk for both males and females, and no difference of risk according to the parent of origin. CONCLUSIONS In this first study assessing the age-related penetrance of ATTRV30M variant in Majorcan families, no effect of gender or parent of origin was observed. These findings will be helpful for improving management and follow-up of TTR variant carrier individuals.
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Affiliation(s)
- E Cisneros-Barroso
- Internal Medicine Department. Fundación Instituto de Investigación Sanitaria de Las Islas Baleares, Son Llàtzer University Hospital, Crta Manacor Km 4., 07198, Palma, Spain.
- Balearic Research Group in Genetic Cardiopathies, Sudden Death and TTR Amyloidosis. Health Research Institute of the Balearic Islands (IdISBa), Son Llàtzer University Hospital, Palma, Spain.
| | - F Gorram
- Department of Neurology, University Hospital Henri Mondor, 51 Avenue du Maréchal de Lattre de Tasigny, 94000, Créteil, France
- Paris Est-Créteil University, Créteil, France
- Inserm U.955, Institut Mondor de Recherche Biomédicale (IMRB), Créteil, France
| | - M A Ribot-Sansó
- Internal Medicine Department. Fundación Instituto de Investigación Sanitaria de Las Islas Baleares, Son Llàtzer University Hospital, Crta Manacor Km 4., 07198, Palma, Spain
- Balearic Research Group in Genetic Cardiopathies, Sudden Death and TTR Amyloidosis. Health Research Institute of the Balearic Islands (IdISBa), Son Llàtzer University Hospital, Palma, Spain
| | - F Alarcon
- Laboratory MAP5 UMR CNRS 8145, Paris University, Paris, France
| | - G Nuel
- Stochastics and Biology Group, Department of Probability and Statistics (LPSM, UMR CNRS 8001), Sorbonne University, Paris, France
| | - J González-Moreno
- Internal Medicine Department. Fundación Instituto de Investigación Sanitaria de Las Islas Baleares, Son Llàtzer University Hospital, Crta Manacor Km 4., 07198, Palma, Spain
- Balearic Research Group in Genetic Cardiopathies, Sudden Death and TTR Amyloidosis. Health Research Institute of the Balearic Islands (IdISBa), Son Llàtzer University Hospital, Palma, Spain
| | - A Rodríguez
- Internal Medicine Department. Fundación Instituto de Investigación Sanitaria de Las Islas Baleares, Son Llàtzer University Hospital, Crta Manacor Km 4., 07198, Palma, Spain
- Balearic Research Group in Genetic Cardiopathies, Sudden Death and TTR Amyloidosis. Health Research Institute of the Balearic Islands (IdISBa), Son Llàtzer University Hospital, Palma, Spain
| | - J Hernandez-Rodriguez
- Genomics of Health Research Group, Health Research Institute of the Balearic Islands (IdISBa), 07120, Palma, Spain
| | - E Amengual-Cladera
- Genomics of Health Research Group, Health Research Institute of the Balearic Islands (IdISBa), 07120, Palma, Spain
| | - I Martínez-López
- Genomics of Health Research Group, Health Research Institute of the Balearic Islands (IdISBa), 07120, Palma, Spain
- Molecular Diagnostics and Clinical Genetics Unit, Hospital Universitario Son Espases, 07120, Palma, Spain
| | - T Ripoll-Vera
- Balearic Research Group in Genetic Cardiopathies, Sudden Death and TTR Amyloidosis. Health Research Institute of the Balearic Islands (IdISBa), Son Llàtzer University Hospital, Palma, Spain
- Cardiology Department, Son Llàtzer University Hospital, Palma, Spain
| | - I Losada-López
- Internal Medicine Department. Fundación Instituto de Investigación Sanitaria de Las Islas Baleares, Son Llàtzer University Hospital, Crta Manacor Km 4., 07198, Palma, Spain
- Balearic Research Group in Genetic Cardiopathies, Sudden Death and TTR Amyloidosis. Health Research Institute of the Balearic Islands (IdISBa), Son Llàtzer University Hospital, Palma, Spain
| | - D Heine-Suñer
- Genomics of Health Research Group, Health Research Institute of the Balearic Islands (IdISBa), 07120, Palma, Spain
- Molecular Diagnostics and Clinical Genetics Unit, Hospital Universitario Son Espases, 07120, Palma, Spain
| | - V Plante-Bordeneuve
- Department of Neurology, University Hospital Henri Mondor, 51 Avenue du Maréchal de Lattre de Tasigny, 94000, Créteil, France.
- Paris Est-Créteil University, Créteil, France.
- Inserm U.955, Institut Mondor de Recherche Biomédicale (IMRB), Créteil, France.
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