574
Views
0
CrossRef citations to date
0
Altmetric
Original Article

Genetic and prenatal diagnosis of a Chinese pedigree with pathogenic TOE1 variants causing pontocerebellar hypoplasia type 7

, , , , , , , & show all
Article: 2250895 | Received 13 Jan 2023, Accepted 17 Aug 2023, Published online: 27 Aug 2023

References

  • Cassandrini D, Biancheri R, Tessa A, et al. Pontocerebellar hypoplasia clinical, pathologic, and genetic studies. Neurology. 2010;75(16):1459–1464. doi:10.1212/WNL.0b013e3181f88173.
  • Kasinathan A, Sankhyan N, Dijk TV, et al. Clinico-radiological profile of children with pontocerebellar hypoplasia. J Pediatr Neurosci. 2020;15(2):94–98. doi:10.4103/jpn.JPN_6_19.
  • Namavar Y, Barth PG, Kasher PR, et al. Clinical, neuroradiological and genetic findings in pontocerebellar hypoplasia. Brain. 2011;134(Pt 1):143–156. doi:10.1093/brain/awq287.
  • van Dijk T, Baas F, Barth PG, et al. What’s new in pontocerebellar hypoplasia? An update on genes and subtypes. Orphanet J Rare Dis. 2018a;13(1):92. doi:10.1186/s13023-018-0826-2.
  • van Dijk T, Ferdinandusse S, Ruiter JPN, et al. Biallelic loss of function variants in COASY cause prenatal onset pontocerebellar hypoplasia, microcephaly, and arthrogryposis. Eur J Hum Genet. 2018b;26(12):1752–1758. doi:10.1038/s41431-018-0233-0.
  • Uwineza A, Caberg JH, Hitayezu J, et al. VPS51 biallelic variants cause microcephaly with brain malformations: a confirmatory report. Eur J Med Genet. 2019;62(8):103704. doi:10.1016/j.ejmg.2019.103704.
  • Chai G, Webb A, Li C, et al. Mutations in spliceosomal genes PPIL1 and PRP17 cause neurodegenerative pontocerebellar hypoplasia with microcephaly. Neuron. 2021;109(2):241–256.e9. doi:10.1016/j.neuron.2020.10.035.
  • Ucuncu E, Rajamani K, Wilson MSC, et al. MINPP1 prevents intracellular accumulation of the chelator inositol hexakisphosphate and is mutated in pontocerebellar hypoplasia. Nat Commun. 2020;11(1):6087. doi:10.1038/s41467-020-19919-y.
  • Coolen M, Altin N, Rajamani K, et al. Recessive PRDM13 mutations cause fatal perinatal brainstem dysfunction with cerebellar hypoplasia and disrupt Purkinje cell differentiation. Am J Hum Genet. 2022;109(5):909–927. doi:10.1016/j.ajhg.2022.03.010.
  • Lardelli RM, Schaffer AE, Eggens VR, et al. Biallelic mutations in the 3' exonuclease TOE1 cause pontocerebellar hypoplasia and uncover a role in snRNA processing. Nat Genet. 2017;49(3):457–464. doi:10.1038/ng.3762.
  • Anderson C, Davies JH, Lamont L, et al. Early pontocerebellar hypoplasia with vanishing testes: a new syndrome? Am J Med Genet A. 2011;155A(4):667–672. doi:10.1002/ajmg.a.33897.
  • Chen H, Li N, Xu Y, et al. Novel compound heterozygous variant of TOE1 results in a mild type of pontocerebellar hypoplasia type 7: an expansion of the clinical phenotype. Neurogenetics. 2022;23(1):11–17. doi:10.1007/s10048-021-00675-0.
  • Richards S, Aziz N, Bale S, et al. Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American college of medical genetics and genomics and the association for molecular pathology. Genet Med. 2015;17(5):405–424. doi:10.1038/gim.2015.30.
  • Son A, Park JE, Kim VN. PARN and TOE1 constitute a 3' end maturation module for nuclear non-coding RNAs. Cell Rep. 2018;23(3):888–898. doi:10.1016/j.celrep.2018.03.089.
  • Lardelli RM, Lykke-Andersen J. Competition between maturation and degradation drives human snRNA 3' end quality control. Genes Dev. 2020;34(13-14):989–1001. doi:10.1101/gad.336891.120.
  • Deng T, Huang Y, Weng K, et al. TOE1 acts as a 3' exonuclease for telomerase RNA and regulates telomere maintenance. Nucleic Acids Res. 2019;47(1):391–405. doi:10.1093/nar/gky1019.
  • Sperandio S, Tardito S, Surzycki A, et al. TOE1 interacts with p53 to modulate its transactivation potential. FEBS Lett. 2009;583(13):2165–2170. doi:10.1016/j.febslet.2009.06.004.