Cited by 31Hereditary Neurological DisordersGenetic Neurodegenerative DiseasesGenomics and Rare Diseases

Perspectives on the Genomics of HSP Beyond Mendelian Inheritance

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Bis-Brewer, Dana M., Züchner, Stephan·2018·Frontiers in Neurology

Abstract

Hereditary Spastic Paraplegia is an extraordinarily heterogeneous disease caused by over 50 Mendelian genes. Recent applications of next-generation sequencing, large scale data analysis, and data sharing/matchmaking, have discovered a quickly expanding set of additional HSP genes. Since most recently discovered HSP genes are rare causes of the disease, there is a growing concern of a persisting diagnostic gap, estimated at 30-40%, and even higher for sporadic cases. This missing heritability may not be fully closed by classic Mendelian mutations in protein coding genes. Here we show strategies and published examples of broadening areas of attention for Mendelian and non-Mendelian causes of HSP. We suggest a more inclusive perspective on the potential final architecture of HSP genomics. Efforts to narrow the heritability gap will ultimately lead to more precise and comprehensive genetic diagnoses, which is the starting point for emerging, highly specific gene therapies.

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Crossref · 10.3389/fneur.2018.00958

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  • Hereditary spastic paraplegias are clinically and genetically very heterogeneous, with more than 80 genes described.

    “The AMN phenotype is an important differential diagnosis to hereditary spastic paraplegias (HSP)6,7, which are clinically and genetically very heterogeneous (80+ genes are described—see8).”

    From Defining diagnostic cutoffs in neurological patients for serum very long chain fatty acids (VLCFA) in genetically confirmed X-Adrenoleukodystrophy (2020) · cites this paper as [8]

    The Introduction describes HSPs as genetically heterogeneous and distinguishes pure and complicated forms with different clinical features. It reports over 76 genomic loci but 58 corresponding genes, so it does not support the claim that more than 80 genes had been described. (LLM, conf=0.88)

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  1. [77]Marras C Lang A van de Warrenburg BP Sue CM Tabrizi SJ Bertram L. Nomenclature of genetic movement disorders: recommendations of the International Parkinson and Movement Disorder Society task force. Mov Disord. (2017) 32: 724– 25. 10.1002/mds.27045 28513081 · DOI

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Authors
Bis-Brewer, D. M., & Züchner, S.
Venue
Frontiers in Neurology
Published
2018-11-26
Volume
9
Pages
958-958
ISSN
1664-2295 (ISSN-L)
OpenAlex
W2898383900
Cited by
31
References
84
Citations by year
2026: 2 · 2025: 6 · 2024: 3 · 2023: 2 · 2022: 4 · 2021: 2 · 2020: 5 · 2019: 7
FWCI
0.45
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Neurology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
National Institute of Neurological Disorders and Stroke (R01NS072248, F31NS106859)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Hereditary Neurological Disorders
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Genetic Neurodegenerative Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
Keywords
hereditary spastic paraplegia, non-Mendelian inheritance, missing heritability, genetic diagnosis, sporadic cases, gene therapy, genetic heterogeneity

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